Answer: y = (1/3)x - 3
Step-by-step explanation:
It passes through -3 at 0, so we know the y = mx + b form will include -3
Next, we want to find the slope:
Change in y = 0 - -3 = 3
Change in x = 9 - 0 = 9
Change in y / Change in x = slope
3/9 = 1/3
13.5% of an amount is 37 what is the original amount
Let the original amount be n.
(n) (percentage) = (final amount)
Solving the Question
We're given:
Original amount = nPercentage = 13.5%Final amount = 37Organize this information into an equation:
n(13.5%) = 27
⇒ Convert 13.5% into a decimal:
0.135n = 27
⇒ Divide both sides by 0.135:
n = 27 ÷ 0.135
n = 200
Therefore, the original amount is 200.
Answer200
please help! Due In 2 minutes!Which lines are parallel and why?
Because the angles on the first quadrant of the bottom horizontal line are equal, we conclude that the two parallel lines are FM and GB,
Which lines are parallel?
We know that two lines are parallel if when intersected by the same line, the two give the same angles.
In the image, we can see only one pair of equal angles, which are the two ones represented by a red quarter circle.
Both of these angles are on line MB, this means that the two parallel lines are the ones that intersect MB (in this case are the two vertical lines).
Then we can conclude that the two parallel lines are FM and GB.
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Serena’s father tipped a taxi driver $5 for a $25 ride. What was the percent of the tip that he paid?
The percentage of the tip that Serena's father paid was 20%.
What is a percentage?Mathematically, a percentage is a numerical ratio, usually expressed as a fraction of 100 and denoted by the percent sign (%).
Percentages show the proportional relationship between two fractions, like proportions and ratios.
The amount of the tip = $5
The cost of the ride = $25
The total amount paid by Serena's father = $30 ($5 + $25)
The percentage of tip to the ride's cost = The amount of the tip divided by the cost of the ride.
= 20% ($5/$25 x 100)
Thus, in percentage terms, the amount that Serena's father tipped the taxi driver is 20% of the ride's actual cost.
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does anyone know how to solve this
I WILL USE THE LAWS OF EXPONENTS WHEN WE MULTIPLY POWERS OF THW SAME BASES WE KEEP ONE POWER AND ADD THE EXPONENTS.
[tex] = 7^{ - 5} \times 7^{2} \\ = {7}^{ - 5 + 2} \\ = {7}^{ - 3} \\ = \frac{1}{ {7}^{3} } \\ = \frac{1}{343} [/tex]
ATTACHED IS THE SOLUTION
A tourist exchanged BD$2000 into US dollars at the rate of
BD$1 = US$0.50. The bank charged commission of 1.5%.
How many US$ did the tourist receive?
US$ the tourist received finally is US$985.
How to find the amount he received?BD$2000 is there.
BD$1 = US$0.50
Bank charged a commission of 1.5%.
Solution:
For one BD i.e., BD$1 he gets US$0.50.
It is half the value of BD$.
By cross multiplication technique, you can find this.
Then for,
BD$2000 he will get US$ 1000.
Bank charges = 1.5%.
That is,
1.5/100*1000 = $15
US$ the tourist received finally = 1000-15
= $985
US$ the tourist received finally is US$985.
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Please help me with my math
Answer:
I see a right angle, so the transversal is perpendicular to the parallel lines. Therefore, x and y are supplementary and congruent, and so we have x = 90 and
y = 90.
Each bucket holds gallons 2 3/4of water. If it takes 9 buckets to fill a tank, how much water does the tank hold?
Answer:
207/4 some other forms are 51 3/4 or 51.75
Step-by-step explanation:
Answer:
24 3/4 gal
Step-by-step explanation:
2 3/4 gal / bucket * 9 bucket = 24 3/4 gal
keiko says that when n is any positive integer, 1n always equals 1 and (-1)n always equals -1. I keiko correct justify your answer
The most appropriate choice for exponent will be given by-
Keiko is not correct because the exponent [tex](-1)^n[/tex] does not always give -1
What is exponent?
Exponent denotes how many times a number is multiplied by itself.
For example in [tex]2^4[/tex] = [tex]2 \times 2 \times 2 \times 2[/tex], here 2 is multiplied 4 times.
Suppose [tex]a^m = a \times a \times a \times a[/tex][tex].....[/tex] (m times), here a is the base and m is the power.
Here,
The given exponents are[tex](1)^n[/tex] and [tex](-1)^n[/tex]
[tex](1)^n = 1 \times 1 \times 1\times.....\times 1[/tex] (n times)
= 1
For [tex](-1)^n[/tex]
If n is even, [tex](-1)^n[/tex] = 1
If n is odd , [tex](-1)^n[/tex] = -1
But Keiko told that [tex](-1)^n[/tex] always results in -1
So, Keiko is not correct.
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Johnson buys a newspaper each day.the cost of the newspaper is $1 per day except sunday.on sunday it cost $3. how much johnson spend on newspapers in 52 weeks.
By using the Unitary method, $468 was spent on newspapers in 52 weeks.
Unitary method is a method used for finding the unit cost in which we divide the total cost by the total number of articles and to find the cost of more than one article, we multiply the unit cost by the number of articles required.
Cost of newspapers in a week from monday to saturday = $(1 x 6) = $6
Cost of newspaper only on sunday of a week = $3
Cost of newspapers in a week = $(6 + 3) = $9
Therefore, the cost of newspapers in 52 weeks = $(52 x 9) = $468.
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John earns 20 dollars per hour and earns 1/2 times pay for overtime. If he works 50 hours this week how much money does he make?
Solve this inequality for x. 81-1'1/5x<55
The solution for the inequality is x < 11/130.
The problem we dealing with is related to inequality which is referred to as An inequality in mathematics could be a relationship that produces a non-equal comparison between two integers or other numerical expressions.
Since we are provided with inequality which is 81 - 11/5x < 55
Now multiplying both by 5x we get
81 × 5x - (11/5x) × 5x < 55 × 5x
=> 405x - 11 < 275x
=> 405x - 275x < 11
=> 130x < 11
=> x < 11/130
so it is the solution for the inequality 81 - 11/5x < 55
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Question
Choose the English equivalent of the underlined word in the following sentence:
La pizarra es verde.
yellow
green
blue
red
Answer:
Green
Verde = green
how do you solve this
Answer:
45
Step-by-step explanation:
In this picture we can see that they gave us 2 angles.
Angle V has an angle of x+83
Angle S has an angle of 4x - 53
As one of the circle thermoses in mathematics said when there is an angle in the center of the circle, the angle at the circumference is half the angle at the center, which means we could create and equation such that:
angle of angle V = 2 times the angle of angle S
x + 83 = 2(4x - 53)
x + 83 = 8x - 106
189 = 7x
27 = x
Since we know x = 27, we can substitute into the equation angle of S to find what is the angle of TSU:
4x - 53
= 4(27) - 53
= 108 - 53
= 45
Answer:
<TSU = 55°
Step-by-step explanation:
We know that,
Angle at the circumference of a circle is twice the angle at the centre.
Therefore,
2 × <UST = <UVT
Given that,
< UVT = x + 83
< TSU = 4x - 53
Accordingly, we can make an expression like this.
[tex] \sf2 × <UST = <UVT[/tex]
[tex] \sf2(4x - 53) = x + 83 \\ [/tex]
And now solve the above expression and find the value of x.
Let us solve it now.
[tex] \sf8x - 106 = x + 83 \\ \sf8x - x = 106 + 83 \\ \sf7x = 189 \\ \sf \: x = 27[/tex]
And now, according to the question they've asked us to find the value of <TSU.
As we mentioned earlier, they've given that, <TSU = 4x - 53.
So, to find the value of Angle TSU, we have to replace x with 27 and find the value of angle TSU.
Let us solve it now
[tex] \sf \: <TSU = 4x - 53 \\ \sf \: <TSU = 4 \times 27 - 53 \\ \sf \: <TSU = 108 - 53 \\ \sf \: <TSU = 55 \degree[/tex]
If the supplement of an angle is 12 degrees less than twice the measure of the angle, what is the measure of the angle?
The angle whose supplement is 12 degrees less than twice its measure is 64 degrees.
What is the measures of the supplementary angle?supplementary angles are angles that add up 180 degrees.
Given the data in the question;
Let x represent the first angle.
Measure of first angle = xMeasure of second angle = 2x - 12Numerical measures of the angles = ?Since the angle are supplementary, sum of angles = 180°
First angle + second angle = 180
x + ( 2x - 12 ) = 180
Solve for x
x + 2x - 12 = 180
3x - 12 = 180
3x = 180 + 12
3x = 192
x = 192/3
x = 64
Therefore, the measure of the angle 64 degrees.
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ms kit teaches 5 reading groups each group has 6 students find how many students ms.kit teaches today if 2 students are absent
Initially, there were only 4 weeds at a park. The weeds grew at a rate of 15% each week. The following function represents the weekly weed growth: f(x) = 4(1.15)x. Rewrite the function to show how quickly the weeds grow each day and calculate this rate as a percentage.
f(x) = 4(1.15)7x; spreads at a rate of approximately 1.5% daily
f(x) = 4(1.02)7x; spreads at a rate of approximately 2% daily
f(x) = 4(1.157)x; spreads at a rate of approximately 2.66% daily
f(x) = 4(1.02)x; spreads at a rate of approximately 0.2% daily
The function to show how quickly the weeds grow each day is "f(x) = 4(1.02)7x; spreads at a rate of approximately 2% daily. Option B
How can we figure out the rate of increase in percentage terms each day?f(x) = 4(1.15)x = 4(1+ 0.15)x ................... (1)
Given that there are seven days in a week, the daily growth rate of the weeds may be estimated using equation (1) by dividing 0.15 (which stands for the 15% weekly growth rate) in the following manner:
f(x) = 4(1.15)x = 4(1+ 0.15/7)x
f(x) = 4(1 + 0.02)x
f(x) = 4(1.02)x
Since 0.02 is the same as 2%, this implies that the rate at which the weeds grow each day is 2%.
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ALGEBRA 2
9) Solve using elimination.
3a = -5b-2
10b=1-6a
Answer:
No solution.
Step-by-step explanation:
Solving using elimination method:
3a = - 5b - 2
3a + 5b = -2 ------------------(I)
10b = 1 - 6a
6a + 10b = 1 --------------------(II)
[tex]\sf \dfrac{a_1}{a_2}= \dfrac{3}{6}=\dfrac{1}{2}\\\\\dfrac{b_1}{b_2}=\dfrac{5}{10}=\dfrac{1}{2}\\\\\dfrac{c_1}{c_2} = \dfrac{-2}{1}[/tex]
[tex]\sf \dfrac{a_1}{a_2}=\dfrac{b_1}{b_2}\neq \dfrac{c_1}{c_2}[/tex]
So, this system of linear equations are two parallel lines and has no solution.
y= x^2 -2x -3 find the values of x when y=1
Answer:
x = 1 +sqrt(5)
x = 1 -sqrt(5)
Step-by-step explanation:
y= x^2 -2x -3
Let y = 1
1= x^2 -2x -3
Subtract 1 from each side
1-1= x^2 -2x -3-1
0 = x^2 -2x -4
Using the quadratic formula
x = - (-2) ±sqrt( (-2) ^2 -4(1)(-4))
----------------------------------------
2(1)
x = 2 ±sqrt( 4 +16)
------------------------
2
x = 2 ±sqrt( 20)
------------------------
2
x = 2 ±sqrt( 4*5)
------------------------
2
x = 2 ±sqrt(5)
------------------------
2
x = 1 ±sqrt(5)
please help me very easy !
The domain and the range pf the curve was solved and the correct answer to the question is the last option which is
Domain x ≤ 2Range y ≤ 6How to find the domain and the rangeThe domain are the input values and are represented in the x axis while the range are the output values and represented in the y axis
From the graph
The extents of the graph on the x direction shows that the maximum value the curve or the graph reached is 2. Hence x is takes value from 2 to a minimum of -6The extents of the graph on the y direction shows that the maximum value the curve reached is 6. Hence x is takes value from 6 and to a minimum of -8We can conclude that the last option is the correct answer
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If you know any of these please help!
An angle is a figure in Euclidean geometry made up of two rays that share a common terminal and are referred to as the angle's sides and vertices.
What is meant by angles?An angle is a figure in Euclidean geometry made up of two rays that share a common terminal and are referred to as the angle's sides and vertices, respectively. Angles created by two rays are in the plane where the rays are located. The meeting of two planes also creates angles. It is referred to as dihedral angles. The angle formed by the rays lying perpendicular to the two crossing curves at the point of junction is another property of intersecting curves.Angle can also refer to the length of a rotation or an angle. This metric represents the relationship between a circular arc's length and radius.The arc is centered at the vertex and defined by the sides in the case of a geometric angle. When there is a rotation, the arc is defined by any other point and the rotation's image, and it is centered at the rotation's center.10. In the given figure,
l ║m
(3x - 29)° + (8y + 17)° = 180° [Because they are linear pairs]
⇒ 3x -29 + 8y + 17 = 180
⇒ 3x + 8y - 12 = 180
⇒ 3x + 8y = 192 ............ (1)
Now,
8y + 17 = 6x -7 [Alternate interior angles]
⇒ 6x - 8y = 24 ..............(2)
On adding (1) and (2),
(3x + 8y) + (6x - 8y) = 192 + 24
simplifying the above equation, we get
⇒9x = 216
⇒ x = 216/9 = 24
⇒ x = 24
Now, 6x - 8y = 24
⇒ 8y = 6(24) - 24
⇒ y = (144 - 24)/8
⇒ y = 120/8 = 15
So, x = 24 and y = 15
11. In this given figure,
l ║m
7x - 23 = 49 + 3x ...... (Alternate interior angles)
⇒ 7x - 3x = 49+23
⇒ 4x = 72
⇒ x = 18
11y -1 = 3x [Alternate exterior angles]
⇒ 11y - 1 = 3 x 18
⇒ 11y = 54 + 1
⇒ 11y = 55
⇒ y = 5
Therefore, the value of x = 18 and y = 5
12. 11. In this given figure,
l ║m
3x - 4 = 5x - 38 [Alternate interior angles]
⇒ 5x - 3x = 38 - 4
⇒ 2x = 34
⇒ x = 17
7y - 20 + 5x - 38 + 90° = 180° [Angle sum property of a triangle]
⇒ 7y - 20 + 85 - 38 + 90 = 180
⇒ 7y + 117 = 180
simplifying the above equation, we get
⇒ 7y = 180 - 117
⇒ 7y = 63
⇒ y = 63/7 = 9
Therefore, the value of x = 17 and y = 9
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Using the formula r=d/t, where d is the distance in miles, r is the rate, and t is the time in hours, at which rate must you travel to cover 227.5 miles in 3.5 hours?
A. 65 mph
B. 75 mph
C. 85 mph
D. 95 mph
The rate/speed at which one must travel to cover 227.5 miles in 3.5 hours is 65 miles per hours.
What rate must one travel to cover 227.5 miles in 3.5 hours?Speed or rate is simply referred to as distance traveled per unit time.
It is expressed as;
r = d / t
Where r is the speed/rate, d is the distance and t is time elapsed.
Given the data in the question;
Distance d = 227.5 milesElapsed time t = 3.5 hoursSpeed/rate = ?To determine the rate at which one must travel to cover 227.5 miles in 3.5 hours, plug the given values into the equation above and solve for r.
r = d / t
r = 227.5 miles / 3.5 hours
r = 65m/h
r = 65mph
Therefore, the speed/rate one must travel is 65mph.
Option A)65mph is the correct answer.
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is x=1 and y=-8 parallel, perpendicular, or neither
Answer:
perpendicular
Step-by-step explanation:
The equations represent a vertical and horizontal line, respectively, which are perpendicular to each other.
Need help!!! 50 points
The multiplication of the mixed fractions as 4²/₇ * 2¹/₅ gives; 9³/₇
How to multiply mixed fractions?A mixed fraction is one that has a part that is a whole number and a part that is a proper fraction.
Now, a proper fraction has its' numerator lesser than its' denominator while an improper fraction has it's numerator greater than its' denominator.
Let us convert each fraction into an improper fraction before multiplication.
4²/₇ = 30/7
2¹/₅ = 11/5
Thus, we have;
30/7 * 11/5
This can be reduced to;
66/7 which can be converted back to a mixed fraction to get 9³/₇
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please help with any of these questions
Applying the slope formula, we have:
16. Slope = -9/4; Parallel slope = -9/4; Perpendicular slope = 4/9.
17. Slope = -4; Parallel slope = -4; Perpendicular slope = 1/4.
See explanation below for the rest answers.
How to Find the Slope of a Line?Slope of a line = change in y / change in x.
The slope of parallel lines are the same, while the slopes of two lines that are perpendicular to each other are negative reciprocals of each other, i.e. 1/a and -a can be the slopes of two lines that are perpendicular to each other.
In an equation given in slope-intercept form, y = mx + b, the slope is represented as "m".
16. Given, (3, 7) and (7, -2):
Slope (m) = (-2 - 7)/(7 - 3)
Slope = -9/4
Parallel slope = -9/4
Perpendicular slope = 4/9.
17. Given, y = -4x + 2,
Slope = -4
Parallel slope = -4
Perpendicular slope = 1/4.
18. Rewrite 5x - 2y = 8 in slope-intercept form:
-2y = -5x + 8
y = 5/2x - 4
Slope = 5/2
Parallel slope = 5/2
Perpendicular slope = -2/5.
19. Rewrite 4x + 3y = 2 in slope-intercept form:
3y = -4x + 2
y = -4/3x + 2/3
Slope (m) = -4/3
Substitute (a, b) = (2, -5), and m = -4/3 into y - b = m(x - a):
y - (-5)) = -4/3(x - 2)
y + 5 = -4/3(x - 2) [point-slope form]
20. Given, y = -5x + 2
Slope (m) = -5
Substitute (a, b) = (-4, -6), and m = -5 into y - b = m(x - a):
y - (-6) = -5(x - (-4))
y + 6 = -5(x + 4) [point-slope form]
21. Rewrite 9x - 3y = 6 in slope-intercept form:
-3y = -9x + 6
y = 3x - 2
The slope of y = 3x - 2 (9x - 3y = 6) is 3.
The slope of -3x - 5 is -3.
Therefore, the lines are neither parallel nor perpendicular.
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Mia needs to bring at least 25 pieces of fruit to the school picnic. she is bringing both apples and oranges, and was told to be sure to bring more than 10 apples select all inequalities that model this situation
Answer:
2.5
Step-by-step explanation:
if it is divison then the answer would be 2.5
if its additin is 35
if subtraction it is 15
if multipcation 250
divided -6.5*10^-7 by 9.88*10^-8. Express your answer in scientific notation. Round the coefficient to two decimal places.
Scientific notation of the given expression divided -6.5 × 10^-7 by
9.88 ×10^-8 with two decimal places is equal to 6.58 × 10^0.
As given in the question,
Divided -6.5 × 10^-7 by 9.88 ×10^-8 we have,
= ( -6.5 × 10^-7 ) /( 9.88 ×10^-8 )
= ( -6.5 / 9.88) × 10^(-7 +8)
= 0.65789 × 10^1
Express above quotient in scientific notation form with two decimal is equal to
= 6. 58 × 10^0
Therefore, scientific notation of the given expression divided -6.5 × 10^-7 by 9.88 ×10^-8 with two decimal places is equal to 6.58 × 10^0.
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ignore the one i chose! But can someone tell me what it is? And explain how you got it? Please and thank u!!
49 points will b givin
Answer:
1/4^3
Step-by-step explanation:
Answer this pleaseeee
Answer:
Option 4: a reflection over the y-axis and a translation 4 units down
Step-by-step explanation:
f(x) = 3x + 1 ---> g(x) = -3x - 5
to go from 3x to -3x is a reflection across the y axis
to go from 1 to -5 is a shift 4 units down
Which statement is true about figures ABCD and A′B′C′D′? (1 point) A polygon ABCD has A at ordered pair negative 4, negative 3, B at negative 3, negative 1, C at negative 2 and negative 3, D at negative 3 and negative 4. A polygon A prime B prime C prime D prime has A prime at ordered pair 3, 4, B prime at ordered pair 1, 3, C prime at ordered pair 3, 2, and D prime at ordered pair 4, 3. a A′B′C′D′ is obtained by translating ABCD 4 units up and then reflecting it about the y-axis. b A′B′C′D′ is obtained by translating ABCD 4 units right and then reflecting it about the x-axis. c A′B′C′D′ is obtained by rotating ABCD counterclockwise by 180 degrees about the origin and then reflecting it about the y-axis. d A′B′C′D′ is obtained by rotating ABCD counterclockwise by 90 degrees about the origin and then reflecting it about the x-axis.
Find the equation of the line use exact numbers y=
I WILL TAKE THE POINTS (0,7) AND (2,1) FROM THW GRAPH AND USE THEM TO GET THE GRADIENT.
[tex]m \frac{y2 - y1}{x2 - x1} \\ = \frac{1 - 7}{2 - 0} \\ m = \frac{ - 6}{2} \\ m = - 3[/tex]
I WILL USE THE POINT (0,7) TO FIND THE VALUE OF C IN THE GENERAL EQUATION.
[tex]7 = - 3(0) + c \\ c = 7[/tex]
THE EQUATION IS
[tex]y = - 3x + 7[/tex]
ATTACHED IS THE SOLUTION