z>0
z
>
0
?

Responses

10p2z4
10
p
2
z
4
10 p 2 z 4

10p2z6
10
p
2
z
6
10 p 2 z 6

20p2z4
20
p
2
z
4
20 p 2 z 4

20p2z6

The absolute value function that is represented in the graph is f(x) = |x + 1.5| So the correct option is D.

The general absolute value function is:f(x) = |x|This absolute value function has a vertex at the point (0, 0). We know that the graphed function has a vertex at the point (-1.5, 0).

So basically we had a horizontal translation of -1.5 units or 1.5 units to the left. That is written as: g(x) = f(x + 1.5)

Replacing the absolute value function we get:g(x) = |x + 1.5|

Then the correct option is D.

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let's take it from the basic of one dolla!, how long will it take for $1 to become $2, namely double, at 10.5%?

[tex]~~~~~~ \textit{Continuously Compounding Interest Earned Amount} \\\\ A=Pe^{rt}\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & \$2\\ P=\textit{original amount deposited}\dotfill & \$1\\ r=rate\to 10.5\%\to \frac{10.5}{100}\dotfill &0.105\\ t=years \end{cases} \\\\\\ 2=1e^{0.105\cdot t} \implies \log_e(2)=\log_e(e^{0.105t})\implies \log_e(2)=0.105t \\\\\\ \ln(2)=0.105t\implies \cfrac{\ln(2)}{0.105}=t\implies 6.6\approx t\qquad \textit{about 6 years and 219 days}[/tex]

Answer:

Step-by-step explanation:

[tex]\tt 30-19+29+30-29-10[/tex]

[tex]\tt 11+29+30-29-10[/tex]

[tex]\tt 40+30-29-10[/tex]

[tex]\tt 70-29-10[/tex]

[tex]\tt 41-10[/tex]

[tex]\tt 31[/tex]

__________________

Hope this helps you!

Have a nice day!

The correct option is All real values of a.

What is the real number?

The positive and negative integers, as well as the fractions created from them (also known as rational numbers), as well as the irrational numbers, are all real numbers.

We have,

3x² + 2xy = 4    ...................(1)

x + y = a             ...................(2)

By converting the second equation equals to y:

y = a - x             .....................(3)

By substituting the (3)rd equation into (1), we get

3x² + 2xy = 4

3x² + 2x(a - x) = 4

3x² + 2ax - 2x² = 4

x² + 2ax = 4

x² + 2ax - 4 = 0

Discriminant  = 4a² + 16 >=  0

2 distinct solutions & is ok for all a.

hence, the correct option is All real values of a.

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The formula for estimating the population variance from the sample involves taking the sum of squared deviations and dividing it by N - 1

Population variance is a measure of dispersion that determines how far each data point is from the population mean.

On the population, the population variance is calculated. When the number of observations grows, a few data points are chosen to represent the entire population.

The variance calculated on these specific data points is referred to as the sample variance. The population variance can be estimated using the sample variance.

When the population variance is unknown , we estimate the population variance by using sample variance

The formula for estimating the population variance from the sample involves taking the sum of squared deviations and dividing it by N-1

Formula of sample variance  = [tex]s^2 = \frac{\sum f_i(x_i - \bar{x})}{N-1}[/tex]

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Answer:

55

Step-by-step explanation:

Because you would minus 180-125 to get angle 1 and they said that angle 2 is parallel so they would be the same anwser so the answer is 55.

The inequality is less than the quadratic function with zero -7 and 1 and includes the point (2,27/2) quadratic function is

The problem seeks the inequality that will be less than the quadratic function with zero -7 and 1 and includes the point (2, 27/2).

Therefore the quadratic function should have zeros at -7 and 1

Substituting the point (2, 27/2) to the quadratic function to check the one that gives the points shows that

3/2 x² + 9 x - 21/2 at x = 2

3/2 * 2² + 9 * 2 - 21/2

= 27/2

Solving for the zeros in the quadratic function 3/2 x² + 9 x - 21/2

shows that the zero are at

x = -7 and

Therefore the inequality that meets the condition is y < 3/2 x² + 9 x - 21/2

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This raffle's expected value per ticket is $ 0.25.

Given that 5,000 tickets are sold at $1 apiece for a charity raffle, and tickets are to be picked at random, the following monetary prizes will be awarded.

To estimate the expected value of this raffle if you buy 1 ticket, apply the following calculation: 1 prize of $ 500, 3 prizes of $ 200, 5 prizes of $ 10, and 20 prizes of $ 5.

⇒ (500 + 3 x 200 + 5 x 10 + 20 x 5) / 5000 = X

⇒ (500 + 600 + 50 + 100) / 5000 = X

⇒ 1250/5000 = X

Apply the division operation, and we get

⇒ 0.25 = X

Therefore, this raffle's expected value per ticket is $ 0.25.

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The value of x is 4.

What are vertical angles?

The opposing angles formed when two lines cross. They are constantly on par. In this illustration, the angles a° and b° are vertical. The term "vertical" refers to the vertex, not up or down, where they cross.

Here, we have

Given the following parameters

m∠A= (6x +29)° and

m∠B = (7x+25)°

Now, we equate both angles to find the value of x and we get

6x+29 = 7x + 25

6x-7x = 25 - 29

-x = -4

x = 4

Hence,  the value of x is 4.

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If in a recent poll, 280 people were asked if they liked dogs, and 42% said they did. the margin of error of this poll, at the 90% confidence level is 0.05.

Sample proportion =42%(phat)

Sample size =280

Standard error = √(0.42×( 1- 0.42)/280)

Standard error = √(0.42×(.58)/280)

Standard error =0.029

Hence,

Margin of error = z-critical for 90% confidence level× Standard error

Zα/2 = 1.645 for 90% confidence

Margin of error =  1.645 × 0.029

Margin of error  = 0.047

Margin of error =0.05 (Approximately)

Therefore the margin of error is 0.05.

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Answer:

Lucas 71 inches

Tamika 66 inches

Answer:

log(2)√xy

________

y

there good luck

The surface area of the composite figure is calculated as: 640 square inches.

The surface area of a rectangular prism = 2(w*l + h*l + h*w), where:

The composite figure can be decomposed into two rectangular prisms, 1 and 2.

Rectangular prism 1:

l = 10 in.

w = 0.5 ft. = 6 in.

h = 4 + 7 = 11 in.

Surface area = 2*(6*10 + 11*10 + 11*6) = 472 in.²

Rectangular prism 2:

l = 10 in.

w = 0.5 ft. = 6 in.

h = 4 in.

Surface area = 2·(6·10+4·10+4·6) = 248 in.²

The area of the surface where both meet = (l)(w) = (10)(4) = 40 in.²

Therefore:

Surface area of the composite figure = 472 + 248 - 2(40) = 640 in.².

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By using the concept of vector, it can be calculated that

Direction of the sum is 10.87° below the horizontal.

What is vector?

Anything that has both magnitude and direction and follow the vector addition law is called vector.

A = 2.71 m

[tex]A_x = 2.71 cos 60 = 1.355 \ m\\A_y = -2.71 sin 60 = -2.35 \ m[/tex]

B = 3.14 m

[tex]B_x = 3.14 cos 30 = 2.71 \ m\\B_y = 3.14 sin 30 = 1.57 \ m[/tex]

Sum of A and B = (1.355  +2.71) i + (-2.35 + 1.57) j

                           = 4.065i - 0.78j

Let the angle be [tex]\theta[/tex]

[tex]tan\theta = \frac{0.78}{4.065}\\tan\theta = 0.192\\\theta = tan^{-1}(0.192)\\\theta = 10.87^{\circ}[/tex]

Direction of the sum is 10.87° below the horizontal.

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The image of the polygon after a reflection in the line y=x is having vertices at A'(-3, 6), B'(-2, 1) and C'(1, 4) as shown in the diagram attached.

A reflection is a sort of transformation that creates a new shape by flipping a shape, called the preimage, across a line, called the line of reflection (called the image). You may imagine what would occur if the form were turned over the line to graph a reflection.

A reflection is a type of transformation that involves flipping a shape, known as the preimage, over a line, known as the line of reflection, to produce a new shape (called the image).

You can picture what would happen if you flipped the form over the line in order to graph a reflection.

If a point A(x, y) is reflected about the line y = x,

the new point would be at A'(y, x)

Given the polygon with vertices at A(6, -3), B(1, -2) and C(4, 1).

The image of the polygon after a reflection in the line y=x has vertices at:

A'(-3, 6), B'(-2, 1) and C'(1, 4)

The image of the polygon is attached.

Therefore, according to the attached graphic, the vertices of the polygon's image after a reflection in the line y=x are located at A'(-3, 6), B'(-2, 1), and C'(1, 4).

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Both balls will strike the ground simultaneously, but the faster ball will do so farther away from the table.

The unit g stands for gravitational acceleration. At sea level, the standard value of g on earth's surface is 9.8 m/[tex]s^{2}[/tex]

They will strike the ground simultaneously if the table and the ground are both flat.

It is customary to divide an object's motion into a vertical component and a horizontal component. While they are on the table, neither of the balls is moving vertically. Both balls begin to accelerate downward as soon as they leave the table due to the effects of gravity. Given that both balls experience the same acceleration from gravity, they will fall at the same rate and with the same downward velocity.

Both balls will strike the ground simultaneously, but the faster ball will do so farther away from the table.

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Answer:

1/8 or 0.125

Step-by-step explanation:

1/2×1/8

multiply the numerators 1×1=1 and multiply the denominators 2×4=8

Final answer =1/8 or 0.125

Answer:

A. 147

Step-by-step explanation:

Divide the polygon into rectangles.

You will have 2 rectangles:

1) 3 x 10

2) 9 x 13

Now you just need to find the area of this 2 rectangles and add them up.

The option that can be the model when Dwayne has collected data on the number of occupants of cars travelling on the road is Table B.

Probability is the occurence of likely events. It is the area of mathematics that deals with numerical estimates of the likelihood that an event will occur or that a statement is true

Given the information, the probability for a will be illustrated as:

a. = 0.6 + 0.2 + 0.2 + 0.1 + 0.05 = 1.15 > 1

b. = 0.5 + 0.25 + 0.05 + 0.06 + 0.04 = 1

c. 2 + 1 + 0.1 + 0.1 + 0.4 = 3.6 > 1

d. 0.5 + 0.25 + 0.25 + 0.125 + 0.125 = 1.25 > 1

e. 0.5 + 0.2 + 0.1 + 0.05 + 0.05 = 0.9 < 1

The correct option that illustrates this is Table B.

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The number of catnip toys that Jose can buy will be 3 catnip toys. All the steps are described below.

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The table is given below.

       Product                 Cost

Bag of Dog Food          $35

Bag of Cat Food            $18

Chew Toy                      $12

Catnip Toy                      $9

In the event that, your numbers are unique, you should simply supplant the qualities you have with the methodology here, and you ought to find an exact solution.

Presently, Emma has $100 to spend at the store. Along these lines, we really want to ascertain the amount she spends on shopping:

$35 + 2 x $12 = $59

In this way, she burned through $59 in the store, so she has left:

$100 - $59 = $41

She has $41 left to spend on something different. How about we check whether she has sufficient means to purchase multiple times catnip toys as bite toys:

Chew toys: 3 x 12 = $36

Catnip toy: 3 x 9 = $27

Furthermore, Emma has $41 left, so she can either purchase multiple times bite toys or multiple times catnip toys, however not the two of them at that point, on the grounds that the all-out would be 63% dollars, and she will be missing $22.

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[tex]\frac{\sin \theta}{300}=\frac{\sin 2\theta}{400} \\ \\ \frac{\sin \theta}{300}=\frac{2\sin \theta \cos \theta}{400} \\ \\ \frac{1}{300}=\frac{\cos \theta}{200} \\ \\ \cos \theta=\frac{2}{3} \\ \\ \theta=\arccos(2/3) \\ \\ \theta \approx \boxed{48^{\circ}}[/tex]

Using the speed formula, we know that Liam finished in 1 hour as opposed to Sam's 1/ 19 hours, earning him the victory.

Speed is calculated as follows: speed = distance * time.

Knowing the units for distance and time is necessary to calculate the units for speed.

The units will be in meters per second (m/s) in this example since the distance is measured in meters (m) and the time is measured in seconds (s).

So, the speed formula is:

Speed = Distance/Time

Taking time for the subject:

Time = distance/Speed

Now, Sam:
Time spent ascending the hill = 1/1 = 1 hour

Time spent descending the hill = 1/9 hours

Sam spent 1 1/the9 total minutes climbing and descending the hill.

Now, Lian:

Time spent ascending the hill = 1/2 hours

Time spent descending the hill = 1/2 hour

Total time spent ascending and descending the hill = 1/2 + 1/2 = 1 hour

Sam, therefore, took 1/9 hour longer than Liam.

Therefore, using the speed formula, we know that Liam finished in 1 hour as opposed to Sam's 1/ 19 hours, earning him victory.

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Coffee A is 12.241 pounds, Coffee B is 18.269 pounds and Coffee C is 24.482 pounds.

A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.

Variables are the name given to these symbols because they lack set values.

In order to determine the values, these symbols are also subjected to various addition, subtraction, multiplication, and division arithmetic operations.

Given:

Let a pounds of coffee A needed

Let b pounds of coffee B needed

Let c pounds of coffee C needed

c= 2a.................(1)

a+ b+c= 55..........(2)

and, 14.99 a+ 13.99 b + 10.39 c /55 = 12.61

1499a + 1399 b + 1039 c = 69,355...............(3)

Subtract (2) from (3), we get

  1499 a+ 1399 b + 1039 c= 69355

-  1039 a - 1039 b - 1039 c = 57145

_____________________________

  460 a + 360 b = 12210

 46a+ 36 b = 1221

b= 1221/ 36 - 46 a/ 36

b= 407 / 12 - 23 a / 18

Put b in Equation (2)

a + 407 / 12 - 23 a / 18 + 2a= 55

-5a / 18 + 2a + 407/ 12 = 55

31a/ 18 = 253/ 12

a= 4554 / 372

a = 2277/ 186

a= 759/ 62

a= 12.241

and, c=2a = 24.482

b= 33.91 - 15.641

b= 18.269

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When there are between 20 and 50 flags and they can be shared equally among 2 tents or 4 tents or 5 tents. The number of flags will be 40.

From the information, there are between 20 and 50 flags and they can be shared equally among 2 tents or 4 tents or 5 tents.

It should be noted that this simply means that we should find the highest multiple for 2, 4, and 5 between 20 and 50. This is 40.

Therefore, the number of flags is 40.

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The equivalent measure of 19 quarts is either 608 fluid ounces or 18.094 liters.

What is the equivalent measure?

In mathematics, and more specifically in measure theory, equivalence refers to the idea that two measures are qualitatively similar. The two measures specifically agree on which events have measure zero.

The unit "qt" stands for quart, which is a unit of volume.

It is equal to 32 fluid ounces or 0.946 liters.

Therefore, 19 quarts is equal to 19 * 32 = 1932= 608  fluid ounces,

or 19 * 0.946 = 190.946 =18.094 liters.

Hence, the equivalent measure of 19 quarts is either 608 fluid ounces or 18.094 liters.

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Answer:

  (11, 3)

Step-by-step explanation:

You want the point 1/6 of the way from A(14, -1) to B(-4, 23).

The point P that divides AB into the fractional parts k and (1 -k) is ...

  P = (1-k)A +kB

For k = 1/6, the dividing point is ...

  P = (5/6)(14, -1) +(1/6)(-4, 23) = (5·14 -4, 5(-1) +23)/6 = (66, 18)/6

  P = (11, 3)

The point 1/6 of the way from A to B is (11, 3).

Answer:

(a) Equation of parallel line is y = x + 4

(b) Equation of perpendicular line is y = - x + 8

Step-by-step explanation:

Given line is

x - y = 4

Rewrite this as

x - 4 = y

or

y = x - 4

This is the equation of a line in slope intercept form which is generally

y = mx + b

where m is the slope and b the y-intercept

Here m = 1, b = -4

(a) A parallel line will have the same slope but a different y-intercept
So for starters we can write the equation of the parallel line as
y = x + b

Since this passes through (2,6) sub 2 for x and 6 for y to get

6 = 2 + b

==> b = 4

Equation of the line is
y = x + 4

(b) A perpendicular line will have as slope -1/m where m is the slope of the original line

Here m = 1, so -1/m = -1/1 = -1

Equation will be of the form
y = -x + b

Since this also passes through (2,6)
6 = -2 + b

==> b = 6 + 2 = 8

Equation of perpendicular line is
y = -x + 8

As per the given least square regression line, the correlation between the height and the arm span is (a) greater than zero.

Regression line:

In statistics, regression line refers the an estimate of the line that describes the true, but unknown, linear relationship between the two variables.

Given,

Here we need to find the correlation between the height and the arm span by using the given least square regression line.

Let us consider the following situation,

"Measurements on young children in Mumbai, India, found this least‐ squares line for predicting height (y) from arm span (x): predicted y = 6.4 + 0.93x. Measurements are in centimeters (cm)."

While we looking into this one we have identified that the predicted function y = 6.4 + 0.93x, is defines the value of height.

So, here y is the dependent variable and the x is the independent value.

This means that the value x is smaller comparatively y value.

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