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deff fn [24]
2 years ago
13

The graph shows a proportional relationship between the number of books sold at a yard sale and the amount of money collected fr

om book sales.
Book Sales Revenue






What is the constant of proportionality?
0.67
1
1.5
2
Mathematics
1 answer:
algol132 years ago
8 0

Answer:

1.5

Step-by-step explanation:

6/4

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Pls help- studying for midterms!!!!!
sasho [114]
1/5x+3/10=-4
1x/5+3/10=-4
1x/5+3/10=-4
x/5+3/10=-4
x=43/2
4 0
3 years ago
Read 2 more answers
Consider the quadratic function:
storchak [24]
X = -b/2a = 8/2 = 4 

y = 16 -8*4 -9 = 16 - 32 -9 = -25

the wertex is (4,-25)
4 0
4 years ago
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ANSWER FOR BRAINLIEST! 40 points! <br><br> PLEASE HELP I DONT WANT TO FAIL MATH.
aev [14]

Answer:

x = 15

x = 15

The answers should be the same because the triangles are similar.  The ratio of the sides are in the same proportion.

Step-by-step explanation:

a.  x              12

------- = --------------

20               16

using cross products

x*16 = 20 * 12

16x = 240

divide by 16 on each side

16x/16 = 240/16

x = 15


b  x              6

------- = --------------

20               8

using cross products

x * 8 = 6 * 20

8x = 120

divide each side by 8

8x/8 = 120/8

x = 15

c.  The answers should be the same because the triangles are similar.  The ratio of the sides are in the same proportion.

8 0
3 years ago
Read 2 more answers
Which of the following rational functions is graphed below?
Keith_Richards [23]

Answer: A) 1/(x+3)(x+5)

Step-by-step explanation:

Look for the Asymptotes =

Horizontal asymptotes: y = -1

Vertical asymptotes: x = 5

7 0
3 years ago
What is the slope-intercept form of the line with the point (0, 3) and a slope = -2?
adelina 88 [10]

Answer:

2nd choice OC.y=-2x+3

Step-by-step explanation:

The equation for the slope-intercept form is y=mx+b, where m is the slope and b is the y-intercept. With these two numbers both given to us, we can just plug them in and get y=-2x+3.

Hope this helps you

4 0
3 years ago
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