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xz_007 [3.2K]
2 years ago
15

Is y= -4x proportional or non- proportional

Mathematics
1 answer:
salantis [7]2 years ago
5 0

9514 404 393

Answer:

  proportional

Step-by-step explanation:

The equation ...

  y = kx

expresses a proportional relationship for any constant of proportionality k.

Your equation with k = -4 expresses a proportional relationship.

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Peter was given 40 words to spell to qualify for a prize. He must spell at least 90% of those words correctly. At least how many
AnnZ [28]

Answer:

He should have to spell at least 36 of these words correctly.

Step-by-step explanation:

40 words.

He must spell at least 90% of those words correctly.

At least how many words should he have to spell correctly to get the prize?

90% of 40. So

0.9*40 = 4*9 = 36

He should have to spell at least 36 of these words correctly.

6 0
2 years ago
How to find the hypotenuse of a triangle?
ExtremeBDS [4]
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you use the length of the legs
Plug it into the Pythagorean Theorem

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3 years ago
8 entre 3 cuánto sobraría
a_sh-v [17]

Answer:

5

Step-by-step explanation:

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7 0
3 years ago
Evaluate 7-3s for s= -3​
OleMash [197]

Answer:

16

Step-by-step explanation:

Substitute s = - 3 into the expression

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5 0
2 years ago
Oliver plans to purchase a $1500 certificate of deposit (cd) at his bank. The CD will earn 2.3% interest, compounded semi-annual
vekshin1

Answer:

Step-by-step explanation:

Weren't there more instructions?  Please, share everything about each problem you post here.

Use the compound amount formula:  A = P(1 + r/n)^(nt).

Here we have

A = $1500(1 + 0.023/2)^(2t), where t is the number of years.

3 0
3 years ago
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