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timama [110]
3 years ago
15

Helen made a graph that represents the amount of money she earns, y, for the numbers of hours she works , x. the graph is a stra

ight line that passes through the origin and the point (1, 12.5)
which statement is true
a) the slope of the graph is 1
b) Helen earns 12.50 per hour
c) Helen works 12.5 hours per day
d) the y-intercept of graph is 12.5
Mathematics
1 answer:
MrRa [10]3 years ago
5 0
It is b because x=1&y=12.5 x also= hours and y=money. Therefore she gets $12.50 each hour
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alekssr [168]

Answer: 7

Step-by-step explanation:

Given:  Triangle UVW map to triangle XYZ where Triangle UVWhas side Lengths 3,4,2, and triangle XYZ has lengths 14,28,21.

We know that the scale factor between two similar figures is the the ratio of the corresponding side of image to the original figure.

Let k be the scale factor.

Then,

k=\frac{21}{3}=\frac{14}{2}=\frac{28}{4}=7\\\\\Rightarrow\ k=7

Hence, the scale factor = 7

8 0
3 years ago
On a coordinate grid, AB has an end point B at (24, 16). The midpoint of AB is P(4, -3). What is the y-coordinate of Point A?
inysia [295]

The y-coordinate of point A is -22

Step-by-step explanation:

Given

B = (24,16)

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The formula for mid-point of AB will be given by:

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\frac{y_A+y_B}{2} = -3\\\frac{y_A + 16}{2 } = -3\\y_A+16 = -3 * 2\\y_A +16 = -6\\y_A = -6-16\\y_A = -22

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The y-coordinate of point A is -22

Keywords: Mid-point, coordinate geometry

Learn more about coordinate geometry at:

  • brainly.com/question/5565320
  • brainly.com/question/5720422

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2 years ago
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MArishka [77]
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3 0
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Hoochie [10]
1 = 4 angles
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Hope that helped ;)
3 0
3 years ago
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leva [86]

Answer: all real numbers

Step-by-step explanation:

7a + 1 = 8a - a + 1

7a + 1 = 7a + 1

a = all real numbers

5 0
3 years ago
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