Answer:
43.98
Step-by-step explanation:
43.98 to nearest hundredth
Before an election,
33% said they would vote for Party A
10% said they would vote for Party B
15% said they would not vote.
These all voted as they said.
In the rest of the population
1/3voted for Party A and 2/3 voted for party B.
Who got the most votes?
You must show your working.
Party A received the most votes with a total of 47 votes, while Party B received 38 votes.
To determine which party received the most votes, we need to calculate the number of votes for each party based on the given percentages and population distribution.
Let's assume the total population is 100 for easier calculations.
Based on the given information:
33% of the population (33 out of 100) said they would vote for Party A.
10% of the population (10 out of 100) said they would vote for Party B.
15% of the population (15 out of 100) said they would not vote.
So far, we have accounted for 33 + 10 + 15 = 58 people.
The remaining population is 100 - 58 = 42 people.
In the rest of the population:
1/3 (1/3 × 42) = 14 people voted for Party A.
2/3 (2/3 × 42) = 28 people voted for Party B.
Now let's calculate the total votes for each party:
Party A received 33 (from initial survey) + 14 (from the rest of the population) = 47 votes.
Party B received 10 (from initial survey) + 28 (from the rest of the population) = 38 votes.
Therefore, Party A received the most votes with a total of 47 votes, while Party B received 38 votes.
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suppose a 90% confidence interval is given as 22.5< u <32.0 and a classmate says this means that 90% of the data falls between the values of 22.5 and 32.0 what is wrong with this statement
The statement is incorrect because a confidence interval provides a range where we are 90% confident that the population mean falls, not where 90% of the data lies.
The statement made by the classmate is incorrect.
A 90% confidence interval does not represent the range in which 90% of the data falls. Instead, it provides a range of values within which we can be 90% confident that the true population parameter lies. In this case, the interval is given as 22.5 < u < 32.0, where "u" represents the population mean.
To clarify, a 90% confidence interval implies that if we were to take multiple samples from the population and calculate the confidence interval for each sample, approximately 90% of those intervals would contain the true population mean.
It is important to understand that a confidence interval does not describe the distribution or range of the actual data points themselves. It is solely an estimate of where the population parameter (in this case, the mean) is likely to lie with a specified level of confidence.
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Find the measure of each numbered angle.
The measure of the angles are;
<1 = 109 degrees
<2 = 39 degrees
<3 = 71 degrees
How to determine the valuesWe need to know the following about triangles, we have that;
The sum of the angles is a triangle is 180 degreesSupplementary angles are angles that sum up to 180 degreesComplementary angles are pair of angles that sum up to 90 degreesFrom the information given, we have that;
For triangle UVT, we get;
35 + 36 + <1 = 180
add the like terms, we have;
<1 = 180 -71
<1 = 109 degrees
<2 + 80 + 71 = 180
collect terms
<2 = 180 - 151
<2 = 39 degrees
<3 = 71 degrees
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Write the expression for the following statement without
any spaces: 4b divided by n cubed more than 7b
divided by 4, cubed
can be expressed as
The given algebraic expression is written as:
4b/n³ > 7b/4
How to solve Algebraic Expressions?Algebraic expressions are defined as the idea of expressing numbers using letters or alphabets without specifying their actual values. The basics of algebra makes us to know how to express an unknown value with the aid of letters such as x, y, z, etc. These letters are referred to as variables. An algebraic expression can even be a combination of both variables as well as constants. Any value that is placed before and multiplied by a variable is a coefficient.
4b divided by n cubed more than 7b divided by 4, cubed can be expressed as:
4b/n³ > 7b/4
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The graph of y = f(x) is shown.
a) Give the coordinates of the
turning point of the graph.
b) Find the roots of f(x) = 0
Note: Please use a comma between your answers.
c) Find f(0)
-3
-2
4
3-
2-
O
-1-
-2-
-~
2
COL
3
X
s+
Answer:
a) (1,4), b) -1 and 3, c) 3
Step-by-step explanation:
a) coordinates of turning point are the peak of the graph. this occurs at (1,4),
b) f(x) = 0 means where the graph meets x-axis. it meets x-axis at x = -1 and x =3,
c) f(0) means where the graph crosses the y-axis. it crosses at y = 3
7-8.- Encuentra los números que hacen falta en las siguientes sucesiones:
0.5, 1.25, 2.0, 2.75,
4.25,
512, 256, 128, 64, 32, 16, 8, 4,
5.75, 6.50, 7.25, 8.0
1,
..25, 125
The missing numbers in the sequences are:
Sequence 1: 3.50
Sequence 2: 3.50
Sequence 3: 2
Sequence 4: 8.00
Sequence 5: 25
Let's analyze the given sequences to find the missing numbers:
Sequence 1:
0.5, 1.25, 2.0, 2.75, ?
Observing the pattern, it appears that each term is obtained by adding 0.75 to the previous term.
Applying this pattern, the missing number would be 2.75 + 0.75 = 3.50.
Sequence 2:
4.25, ?
Looking at the sequence, it seems to be decreasing by 0.75 between each term.
Applying this pattern, the missing number would be 4.25 - 0.75 = 3.50.
Sequence 3:
512, 256, 128, 64, 32, 16, 8, 4, ?
Here, each term is obtained by dividing the previous term by 2.
Applying this pattern, the missing number would be 4 / 2 = 2.
Sequence 4:
5.75, 6.50, 7.25, ?
In this sequence, each term is obtained by adding 0.75 to the previous term.
Applying this pattern, the missing number would be 7.25 + 0.75 = 8.00.
Sequence 5:
1, ?, 25, 125
Observing the pattern, it seems that each term is obtained by multiplying the previous term by 25.
Applying this pattern, the missing number would be 1 x 25 = 25.
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If the blank is 23, what is X?
Step-by-step explanation:
For angles outside circle angle = 1/2 ( large arc - small arc)
46 = 1/2 [ 21x-5 - (x + blank) ]
92 = 21x -5 - x -blank
97 = 20x - blank
97 = 20x - 23
120 = 20 x
x = 6
From the point A (1,-2), a perpendicular is drawn to the line 2x + 3y = 9 to meet it at M. Find the
coordinates of M and the length of AM.
================================================
Explanation:
The standard form for linear equations is Ax+By = C. Anything perpendicular to this would be of the form Bx-Ay = D.
The equation 2x+3y = 9 gives
A = 2B = 3C = 9The perpendicular template goes from Bx-Ay = D to 3x-2y = D.
Plug in the coordinates of (1,-2) to compute D.
3x-2y = D
D = 3x-2y
D = 3*1 - 2*(-2)
D = 7
Therefore, the perpendicular equation is 3x-2y = 7
-----------------------
We need to solve this system
[tex]\begin{cases}2x+3y = 9\\3x - 2y = 7\end{cases}[/tex]
to locate point M.
There are a few methods. I'll use substitution.
Solve the 1st equation for x.
2x+3y = 9
2x = -3y+9
x = (-3y+9)/2
x = -1.5y + 4.5
Then substitute this into the other equation to solve for y.
3x - 2y = 7
3( x ) - 2y = 7
3( -1.5y+4.5 ) - 2y = 7
-4.5y + 13.5 - 2y = 7
-6.5y + 13.5 = 7
-6.5y = 7-13.5
-6.5y = -6.5
y = -6.5/(-6.5)
y = 1
Use that to determine x.
x = -1.5y + 4.5
x = -1.5*1 + 4.5
x = 3
Point M is located at (x,y) = (3, 1)
------------------------
Use the distance formula to find the distance from A(1,-2) to M(3,1)
[tex]A = (x_1,y_1) = (1,-2) \text{ and } M = (x_2, y_2) = (3,1)\\\\d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(1-3)^2 + (-2-1)^2}\\\\d = \sqrt{(-2)^2 + (-3)^2}\\\\d = \sqrt{4 + 9}\\\\d = \sqrt{13}\\\\d \approx 3.605551\\\\[/tex]
Segment AM is exactly [tex]\sqrt{13}[/tex] units long.
That is approximately 3.605551 units.
You can use a tool like GeoGebra to confirm the answers are correct.
A young artist went to an art shop to buy a canvas. There were many sizes from which to choose. Some were standard sizes and some were custom-made. She wanted her next piece to incorporate the Golden Ratio, so she decided to buy the canvas whose dimensions most closely matched the Golden Rectangle. Here are the sizes that were available:
24" x 36"
24" x 40"
10" x 16"
26" x 16"
20" x 12"
Which canvas should the artist buy? Show your work.
The artist should buy the canvas with dimensions [tex]$10" \times 16"$[/tex]. This canvas has an aspect ratio of [tex]1.6[/tex], which is the closest among the available options to the Golden Ratio of [tex]1.618[/tex].
To determine which canvas size most closely matches the Golden Rectangle, we need to calculate the aspect ratio for each canvas and compare it to the Golden Ratio.
The Golden Ratio, also known as Phi [tex]($\varphi$)[/tex], is approximately [tex]1.618[/tex].
Let's calculate the aspect ratios for each canvas:
Canvas 1: [tex]$24" \times 36"$[/tex]
Aspect ratio = [tex]$\frac{36}{24} = 1.5$[/tex]
Canvas 2: [tex]$24" \times 40"$[/tex]
Aspect ratio = [tex]$\frac{40}{24} \approx 1.667$[/tex]
Canvas 3: [tex]$10" \times 16"$[/tex]
Aspect ratio = [tex]$\frac{16}{10} = 1.6$[/tex]
Canvas 4: [tex]$26" \times 16"$[/tex]
Aspect ratio = [tex]$\frac{16}{26} \approx 0.615$[/tex]
Canvas 5: [tex]$20" \times 12"$[/tex]
Aspect ratio = [tex]$\frac{12}{20} = 0.6$[/tex]
To find the canvas that most closely matches the Golden Ratio, we need to choose the canvas with an aspect ratio closest to [tex]1.618[/tex].
Calculating the differences between the aspect ratios and the Golden Ratio:
Canvas 1: [tex]$|1.5 - 1.618| \approx 0.118$[/tex]
Canvas 2: [tex]$|1.667 - 1.618| \approx 0.049$[/tex]
Canvas 3: [tex]$|1.6 - 1.618| \approx 0.018$[/tex]
Canvas 4: [tex]$|0.615 - 1.618| \approx 1.003$[/tex]
Canvas 5: [tex]$|0.6 - 1.618| \approx 1.018$[/tex]
The canvas with the aspect ratio closest to the Golden Ratio is Canvas 3: [tex]$10" \times 16"$[/tex], as it has the smallest difference of approximately [tex]0.018[/tex].
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What kind of expression is this? a^{0} (a≠0)
Answer: The angulier expression
Step-by-step explanation:
Ivanna received a $80 gift card for a coffee store. She used it in buying some coffee that cost $8.03 per pound. After buying the coffee, she had $47.88 left on her card. How many pounds of coffee did she buy?
Answer:
4 pounds
Step-by-step explanation:
First, we can calculate how much money Ivanna spent by subtracting her remaining balance after buying the coffee from the original amount on the gift card.
amount spent = $80 - $47.88 = $32.12
Now, we can calculate how many pounds of coffee she bought by dividing the amount she spent by the price rate of coffee by pound.
[tex]\$32.12 \div \dfrac{\$8.03}{1 \text{ lb}}[/tex]
[tex]= \$32.12 \times \dfrac{1 \text{ lb}}{\$8.03}[/tex]
[tex]= \dfrac{32.12}{8.03} \text{ lb}[/tex]
[tex]= \boxed{4 \text{ lb}}[/tex]
So, Ivanna bought 4 pounds of coffee.
Answer: Ivanna bought 4 pounds of coffee for an amount of$32.12.
Step-by-step explanation:
According to the question,
Money with Ivanna initially: $80
Money with Ivanna later: $47.88
step 1: here we need to find the difference between the amount initially and later,
Difference between the amount initially and later: $80 - $47.88 = $32.12
Given,
Price of coffee per pound: $8.03
Step 2: now we divide the amount spent by the price per unit of coffee,
that is: $32.12/$8.03 = 4
so the answer is Ivanna bought 4 pounds of coffee for an amount of$32.12
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The function f(x) = 5 lxl is graphed on a regular coordinate grid. what is the domain of the function? What is the range of the function?
Answer:
domain: all real numbers (-∞, ∞)range: all non-negative numbers [0, ∞)Step-by-step explanation:
You want the domain and range of the function ...
f(x) = 5·|x|
DomainThe domain of the function is the set of values of x for which it is defined. Here, the absolute value function is defined for all values of x.
The domain is all real numbers.
RangeThe range is the set of output values the function can produce. The absolute value function can produce any non-negative number.
The range is all real numbers greater than or equal to zero.
<95141404393>
Use the number line to find an equivalent fraction
The equivalent fraction for 1, using the number line and dividing it into four equal parts, is 1/4.
To find an equivalent fraction using a number line, we need to determine a fraction that represents the same value as the given fraction.
Let's assume the given fraction is 1. On a number line, the fraction 1 can be represented as the distance between 0 and 1. Now, we want to find an equivalent fraction, so let's choose a different representation on the number line.
To find an equivalent fraction that represents the same value, we can divide the number line segment between 0 and 1 into equal parts. Let's say we divide it into 4 equal parts.
Now, we need to determine which of the four equal parts represents the fraction 1. Since we divided the segment into four equal parts, each part represents 1/4 (one-fourth) of the whole segment.
Therefore, the equivalent fraction for 1, using the number line and dividing it into four equal parts, is 1/4.
So, the equivalent fraction for 1 is 1/4.
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A clothing store sells T-shirts, t, for $8 a shirt, and shorts, s, for $12 each. The
store earned $180 revenue last month. The store sold three times as many T-
shirts as shorts. Using the method of substitution, how many T-shirts and
shorts did the store sell?
A. t= 8; s = 12
B. t= 15; s=5
OC. t= 5; s = 15
OD. t = 12; s = 8
Answer: B. t= 15; s=5
Step-by-step explanation:
We will create a system of equations.
8t + 12s = 180
t = 3s
Next, we will substitute this value of t into the first equation and solve for s.
8t + 12s = 180
8(3s) + 12s = 180
24s + 12s = 180
36s = 180
s = 5 shirts
Lastly, we will substitute this value of s back into t = 3s and solve for t.
t = 3s
t = 3(5)
t = 15 shirts
Which regression model best represents the total number of bacterial clusters in terms of number of elapsed days?
The choice of the best Regression model depends on the specific characteristics of the data and the underlying theory or knowledge about the relationship between the variables.
The regression model best represents the relationship between the total number of bacterial clusters and the number of elapsed days, we need to examine the data and consider different regression models.
There are several types of regression models commonly used, including linear regression, polynomial regression, exponential regression, and logarithmic regression. Each model represents a different functional form and can capture different types of relationships between variables.
Without specific data or context provided, it is challenging to determine the exact regression model that best represents the relationship. However, I can briefly explain the characteristics and typical use cases for each regression model:
1. Linear Regression: This model assumes a linear relationship between the variables, where the dependent variable changes linearly with respect to the independent variable. It is suitable when the relationship appears to be a straight line on a scatter plot.
2. Polynomial Regression: This model captures non-linear relationships by including higher-order terms of the independent variable, such as quadratic (x^2), cubic (x^3), or higher-degree terms. It is suitable when the relationship seems to follow a curve rather than a straight line.
3. Exponential Regression: This model assumes an exponential relationship between the variables, where the dependent variable changes exponentially with respect to the independent variable. It is suitable when the data exhibits rapid growth or decay.
4. Logarithmic Regression: This model assumes a logarithmic relationship between the variables, where the dependent variable changes logarithmically with respect to the independent variable. It is suitable when the relationship shows diminishing returns or saturation.
the best regression model, it is important to visually analyze the data through a scatter plot and assess the linearity or curvature of the relationship. Additionally, statistical measures such as the coefficient of determination (R-squared) and residual analysis can help evaluate the goodness of fit for different models.
the choice of the best regression model depends on the specific characteristics of the data and the underlying theory or knowledge about the relationship between the variables.
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What is the volume of a hemisphere with a diameter of 60.9 in rounded to the nearest tenth of a cubic inch
The volume of the hemisphere with a diameter of 60.9 inches rounded to the nearest tenth is 59131.7 inches³.
Given that,
Diameter of a hemisphere = 60.9 inches
We have to find the volume of the hemisphere.
We know that, radius is half the measure of the diameter.
Radius of the hemisphere = 60.9 / 2 = 30.45 inches
Volume of a hemisphere is,
Volume = 2/3 π r³
Here r is the radius
Substituting,
Volume = 2/3 π (30.45)³
= 59131.7 inches³
Hence the volume is 59131.7 inches³.
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Information included on the W-4, except?
The solution is: we can say that we would need to include all of this information on a W-4 form except for information that is not related to your tax situation or employment, such as your favorite color or hobbies.
Here, we have,
W-4 form is a tax form that employees in the United States use to provide their employers with information about their tax situation.
The form includes information such as the employee's name, address, social security number, number of dependents, and filing status.
Therefore, we can say that we would need to include all of this information on a W-4 form except for information that is not related to your tax situation or employment, such as your favorite color or hobbies.
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A dog is tied to a wooden stake in a backyard. His leash is 2 meters long and he runs around in circles pulling the leash as far as it can go. How much area does the dog have to run around in?
6
K
22
8
Find volume
Based on the image you provided, it appears to be a rectangular prism (a box) with given dimensions. To find the volume of the rectangular prism, we can use the formula:
Volume = Length × Width × Height
From the image, we can see the following dimensions:
Length = 6 cm
Width = K cm
Height = 22 cm
To find the volume, we need to know the value of K. Unfortunately, the value of K is not provided in the image or the previous conversation.
If you provide the value of K, I can calculate the volume of the rectangular prism for you.
Find the area of a triangle,where three sides are 5,6,7
The area of the triangle with side lengths 5, 6, and 7 is approximately 14.6969 square units.
To find the area of a triangle when the lengths of its three sides are given (5, 6, and 7), we can use Heron's formula. Heron's formula states that the area of a triangle with side lengths a, b, and c can be calculated as:
Area = √(s(s - a)(s - b)(s - c))
where s is the semi perimeter of the triangle, given by:
s = (a + b + c) / 2
Let's calculate the area step by step:
Determine the lengths of the sides.
a = 5
b = 6
c = 7
Calculate the semi perimeter.
s = (a + b + c) / 2
s = (5 + 6 + 7) / 2
s = 18 / 2
s = 9
Apply Heron's formula to find the area.
Area = √(s(s - a)(s - b)(s - c))
Area = √(9(9 - 5)(9 - 6)(9 - 7))
Area = √(9(4)(3)(2))
Area = √(216)
Area = 14.6969 (rounded to four decimal places)
Therefore, the area of the triangle with side lengths 5, 6, and 7 is approximately 14.6969 square units.
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What does the monthly subscription fee on a cellphone contract option pay for
The monthly subscription fee on a cellphone contract option pays for:
Access to the cellular networkData usageVoice callsText messagesWhat is the monthly device subscription fee for ?By paying the monthly subscription fee, the expenses involved in establishing a link between your mobile device and the mobile network are taken care of. This feature enables you to initiate phone calls, transmit written messages, and access internet connectivity.
Your carrier's monthly subscription fee will encompass a payment for the device if you are leasing or financing it through them.
Your monthly payment contributes to the expenditure of catering for customer assistance. If you encounter any issues with the service, you may contact this team for assistance.
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Identify the parametric equations that represent the same path as the following parametric equations. x=2+cos theta and y=4 sin theta
The parametric equations representing the same path as the given equations are: x = 1
y = 4sin(1)
To identify the parametric equations that represent the same path as the given equations x = 2 + 1 and y = 4 sin(theta), we can eliminate the parameter theta to express x and y in terms of a new parameter, let's call it t.
We know that [tex]cos^2(theta) + sin^2(theta)[/tex] = 1 (from the Pythagorean identity). Rearranging this equation, we have:
[tex]sin^2(theta) = 1 - cos^2(theta)[/tex]
Now, let's substitute the given equations into this identity:
[tex]sin^2(theta) = 1 - (2 + cos(theta))^2[/tex]
[tex]sin^2(theta) = 1 - (4 + 4cos(theta) + cos^2(theta))[/tex]
[tex]sin^2(theta) = 1 - 4 - 4cos(theta) - cos^2(theta)[/tex]
[tex]sin^2(theta) = -3 - 4cos(theta) - cos^2(theta)[/tex]
Next, let's substitute [tex]sin^2(theta) with (1 - cos^2(theta))[/tex]in the y equation:
[tex](1 - cos^2(theta)) = -3 - 4cos(theta) - cos^2(theta)[/tex]
Simplifying the equation, we get:
[tex]2cos^2(theta) + 4cos(theta)[/tex]+ 2 = 0
Dividing the equation by 2, we have:
[tex]cos^2(theta) + 2cos(theta[/tex]) + 1 = 0
This equation can be factored as:
[tex](cos(theta) + 1)^2[/tex]= 0
Taking the square root of both sides, we get:
cos(theta) + 1 = 0
cos(theta) = -1
Therefore, the value of cos(theta) is fixed at -1 for all values of theta.
Substituting cos(theta) = -1 into the given equations, we have:
x = 2 + (-1) = 1
y = 4sin(1)
Hence, the parametric equations representing the same path as the given equations are:
x = 1
y = 4sin(1)
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Find the slope of the line tangent to the graph of
y = x² + 1 at (2,5).
The slope of the line tangent to the graph is, 4
Since, The equation of line in point-slope form passing through the points
(x₁ , y₁) and (x₂, y₂) with slope m is defined as;
⇒ y - y₁ = m (x - x₁)
Where, m = (y₂ - y₁) / (x₂ - x₁)
A line's slope is the change in y coordinate in relation to the change in x coordinate.
The net change in y-coordinate is denoted by y, whereas the net change in x-coordinate is denoted by x.
As a result, the change in y-coordinate in relation to the change in x-coordinate is given by,
m = difference in y/difference in x
= dy/dx
We have to given that;
Equation is,
y = x² + 1
Now, Differentiate y = x² + 1 with respect to x we get;
y' = 2x + 0
y' = 2x
Since we have to find the slope
At point (2, 5),
So put x =2 we get,
y' = 2 x 2
y' = 4
Hence,
The slope of the line tangent to the graph y = x² + 1 is, 4
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[tex]-16-9-(3) -(8)[/tex]
50 goat and chicken express the ratio of numbers of goat to chicken in lwest term
Answer:
50:1
Step-by-step explanation:
There are 50 goats and 1 chicken
The GCD of 50 and 1 is 1 so you can't simplify
store has clearance items that have been marked down by 25%. They are having a sale, advertising an additional 45% off clearance items. What percent of the original price do you end up paying?
The percent of the original price you end up paying is 42%.
Let's assume that the original price of an item is $100
The first discount of 25% off would reduce the price by:
25% of $100 = $25
So the sale price after the first discount is:
$100 - $25 = $75
Then, the store is offering an additional discount of 45% off on the clearance items.
The discount is removed from the sale price after the first discount:
45% of $75 = $33
So the final sale price after both discounts is:
$75 - $33 = $42
Therefore, you end up paying $42 for an item that originally cost $100. This is equivalent to paying:
($42 / $100) x 100% = 42% of the original price.
Hence, the percent of the original price you end up paying is 42%.
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Find the distance from the point (-2,4) to the line y = 2x - 2. Round distance to nearest hundredths. Step 1: Find the equation of the line perpendicular to y = 2x-2 that goes through (-2, 4) Step 2: Solve the new system of equations Step 3: Find the distance between (-2, 4) and the point you found in Step 2 above.
The distance from the point (-2, 4) to the line y = 2x - 2 is approximately 4.47 units (rounded to the nearest hundredth).
Step 1: To find the equation of the line perpendicular to y = 2x - 2 that goes through (-2, 4), we need to determine the negative reciprocal of the slope of the given line. The slope of the given line is 2, so the negative reciprocal of 2 is -1/2.
We can use the point-slope form of a linear equation to find the equation of the line. Using the point (-2, 4) and the slope -1/2, the equation of the line can be written as:
y - y1 = m(x - x1), where (x1, y1) is the given point and m is the slope.
Substituting the values, we have:
y - 4 = -1/2(x - (-2))
y - 4 = -1/2(x + 2)
y - 4 = -1/2x - 1
y = -1/2x + 3
Therefore, the equation of the line perpendicular to y = 2x - 2 that goes through (-2, 4) is y = -1/2x + 3.
Step 2: Now we need to solve the system of equations formed by y = 2x - 2 and y = -1/2x + 3. We can do this by setting the two equations equal to each other and solving for x:
2x - 2 = -1/2x + 3
Multiplying both sides by 2 to eliminate the fraction:
4x - 4 = -x + 6
Bringing like terms to one side:
4x + x = 6 + 4
5x = 10
Dividing both sides by 5:
x = 10/5
x = 2
Substituting the value of x back into one of the equations (let's use y = 2x - 2), we can find the value of y:
y = 2(2) - 2
y = 4 - 2
y = 2
Therefore, the coordinates of the point of intersection are (2, 2).
Step 3: To find the distance between (-2, 4) and the point (2, 2), we can use the distance formula:
d = √([tex](x2 - x1)^2 + (y2 - y1)^2)[/tex]
Substituting the coordinates, we have:
d = √((2 - [tex](-2))^2 + (2 - 4)^2)[/tex]
d = √([tex](4)^2 + (-2)^2)[/tex]
d = √(16 + 4)
d = √20
d ≈ 4.47
Therefore, the distance from the point (-2, 4) to the line y = 2x - 2 is approximately 4.47 units (rounded to the nearest hundredth).
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Alondra is asked about her age. She answers as follows. "My age is 6 more than four times the age of my son." How old is her son if Alondra is 46 years old?
Answer:
10 years old
Step-by-step explanation:
lets break it down:
6 more means +6
four times means *4
so if her son is x years old, she is 4x+6
since we know she's 46, we know that 4x+6=46
now we just solve the equation
4x+6=46
-6 on both sides
4x=40
/4 on both sides
x=10
a rectangular yard is 0.2m long a 7 m wide. What volume of concrete is needed to cover the yard with a concrete layer one tenth of a metre thick?
Answer: 0.14 cubic meters
To cover the rectangular yard with a concrete layer one tenth of a meter thick, we need to find the volume of concrete required, which can be calculated as:
Volume = area * thickness
The area is the product of the length and width of the rectangular yard, and the thickness is one tenth of a meter.
The length of the rectangular yard is given as 0.2 meters, the width is given as 7 meters, and the thickness is 0.1 meters.
So, the volume of concrete is:
Volume = 0.2 meters * 7 meters * 0.1 meters = 0.14 cubic meters
Hope this helps!
Name the sequence of transformations and explain whether the resulting image is congruent to the original and explain why. i will mark you brainliest please help!
The sequence of transformations includes translation, rotation, and reflection. The resulting image is congruent to the original if the transformations maintain the size, shape, and orientation of the object.
I need to know the specific transformations that you're referring to. However, I can provide you with a general explanation using the common types of transformations.
The sequence of transformations typically includes translation, rotation, and reflection. A translation involves moving an object from one location to another without changing its size or orientation. Rotation is the turning of an object around a fixed point, while reflection is flipping an object over a line, like a mirror image.
The resulting image is congruent to the original if the transformations preserve the size, shape, and orientation of the object. In the case of translation and rotation, the resulting image is always congruent to the original because the size and shape of the object do not change.
However, for reflection, the image remains congruent only if the reflection line is aligned with the symmetry axis of the object, preserving the shape and size.
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