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attashe74 [19]
3 years ago
7

Cindy can read in different amounts of time 10 pages in 8minutes, 15 pages in 12 minutes and 25 pages in 20 minutes what is the

constant of proportionality?
Mathematics
1 answer:
babunello [35]3 years ago
5 0

Answer:

5/4

Step-by-step explanation:

10/8 = 5/4

15/12 = 5/4

25/20 = 5/4

They all simplify to 5/4.

Hope this helps!

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Ms.Jones gave sixteen minutes of homework
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How can you use ratios and rates to solve problems?
skad [1K]
Rates and ratios help us find relationships between numbers and proportions. 
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Simplify each expression<br><br> 1. 5 + 3 (x - 5) + 7 <br><br> 2. 1/2+2/3(y- 6)
exis [7]

Answer:

3(x-1)

Step-by-step explanation:

12+3x-15

-3+3x

3(x-1)

8 0
3 years ago
Read 2 more answers
C(n) = 4/9(-3)^n-1<br> What is the 3rd term in the sequence?
Yanka [14]

Step-by-step explanation:

c(n) =  \frac{4}{9} ( - 3)^{n - 1}   \\   \\  \therefore \: c(3) =  \frac{4}{9} ( - 3)^{3- 1}   \\   \\  \therefore \: c(3) =  \frac{4}{9} ( - 3)^{2}   \\   \\  \therefore \: c(3) =  \frac{4}{9}  \times 9   \\   \\   \huge{ \purple{ \boxed{\therefore \: c(3) = 4}}}

8 0
3 years ago
Solve for p 9(p-4)=-18
ella [17]

Answer:

The answer is

<h2>p = 2</h2>

Step-by-step explanation:

9(p-4)=-18

First expand the terms in the bracket

that's

9p - 36 = - 18

Group like terms

Send the constants to the right side of the equation

That's

9p = - 18 + 36

9p = 18

Divide both sides by 9

That's

9p/9 = 18/9

We have the final answer as

<h3>p = 2</h3>

Hope this helps you

5 0
3 years ago
Read 2 more answers
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