3 years ago

(7th grade math) 20% of what number is 30?

Mathematics

1 answer:

Akimi4 [234]3 years ago

3 0

Answer:

150

Step-by-step explanation:

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1/2 (a+b)h

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8×14=112

14÷2=7

132-112=20

20÷7 =2.857142857

so then a= 2.86 (3sf)

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What 2 square numbers have a difference of 55

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3 years ago

The point (-3, -5) is on the graph of a function. Which equation must be true regarding the function?

Alecsey [184]

Answer:

f(- 3) = - 5

Step-by-step explanation:

Given the point (- 3, - 5)

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4 years ago

Determine f(-1) if the graph of f(x) is given below.

-BARSIC- [3]

Answer:

$f(-1) = -2$

Step-by-step explanation:

Given

The attached graph

Required

$f(-1)$

This is the point where

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On the attached graph;

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3 years ago