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tamaranim1 [39]
3 years ago
11

This graph shows a proportional relationship. What is the constant of proportionality? Enter your answer as a ratio in simplifie

d form in the box. $$ A graph with a line running through coordinates left parenthesis 0 comma 0 right parenthesis and coordinates left parenthesis 2 over 3 end fraction comma 3 over 4 end fraction right parenthesis.
plezz help fro a mager test
Mathematics
2 answers:
VladimirAG [237]3 years ago
8 0

Answer:

\frac{9}{8}

Step-by-step explanation:

The constant of proportionality is the slope, k,  of the line in the formula:

y = kx

The constant of proportioanlity can be calculated using the formula for slope:

k=\frac{y_{1}-y_{2}}{x_{1}-x_{2}}\\\\k=\frac{\frac{3}{4}-0}{\frac{2}{3}-0}\\\\k=\frac{\frac{3}{4}}{\frac{2}{3}}\\\\k=\frac{3}{4} *\frac{3}{2} \\\\k=\frac{9}{8}

AnnyKZ [126]3 years ago
4 0

The answer is 5/4. I just took the test.

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Answer:(1,2), (2,4), (3,6), and alot more here is the graph so you can see!

Step-by-step explanation: hope this helps have a great day!

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3 years ago
You have a shelf that holds 25 1/2 pounds. What is the most number of 1 1/4 pound books that the shelf can hold?​
patriot [66]

Answer:

20 books

Step-by-step explanation:

given that the shelf can hold 25 1/2 lbs (i.e 25.5 lbs), and that each book weighs 1 1/4 ln (i.e 1.25 lbs)

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= weight that the shelf can hold ÷ weight of each book

= 25.5 ÷ 1.25

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5 0
2 years ago
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Each polygon pair is similar. Find the missing side length
ohaa [14]

I'll do problem 1 to get you started.

The vertical sides are 3 and x for the left and right figures.

The horizontal sides are 15 and 60 for the left and right figures.

The corresponding sides form fractions which are equal (due to the nature of the similar polygons)

3/x = 15/60

3*60 = x*15 ... cross multiply

180 = 15x

15x = 180

x = 180/15 .... divide both sides by 15

x = 12

----------

Another way you can see this is note how the jump from 15 to 60 is "times 4", so the jump from 3 to x must also be "times 4" to keep the same proportion

3 ---> x = 3*4 = 12

Or you could set up the proportion

60/15 = x/3

4 = x/3

x/3 = 4

x = 3*4

x = 12

-----------

<h3>Final Answer: 12</h3>
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3 years ago
Slove the following <br>equation without with out transporting I)5y +10=4y-10​
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