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Ilya [14]
3 years ago
13

7th grade math help me plzzzz

Mathematics
1 answer:
daser333 [38]3 years ago
5 0

Answer:

6 is the answer

Step-by-step explanation:

.......

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What number needs to be added to 5 and 3 so that the ratio of the first number to the second
Mashcka [7]

Answer:

3

Step-by-step explanation:

Choose a variable to represent the number to be added to 5 and 3.

\frac{5+x}{3+x}=\frac{4}{3}

"Cross-multiply."

3(5+x)=4(3+x)\\\\15+3x=12+4x\\\\15=12+x\\\\3=x

Check:  The ratio of 5+3 to 3 + 3 is 8:6, equal to the ratio 4:3.

5 0
2 years ago
What is the constant of proportionality in the equation y=1/2x<br> constant of proportionality =?
klasskru [66]

Answer:

1/2

Step-by-step explanation:

In the straight line form...

y=mx+b

m is the constant of proportionality or the "K"

7 0
3 years ago
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What is the slope of the line. (-5,11) (-2,10)
vova2212 [387]

Answer:

-1/3

Step-by-step explanation:

By using this equation: \frac{10}{-2} \frac{-11}{+5}, we can find the slope of the line. We get -1/3.

3 0
3 years ago
What is her answer ?
mihalych1998 [28]

Answer:

4

lolz sorry for a late answer bud

Step-by-step explanation:

7 0
3 years ago
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