2 years ago

Solve for x A) 0.9 B) 160 C) 10 D) 1.1

Mathematics

1 answer:

Alex777 [14]2 years ago

3 0

Answer:

A) 0.9

Step-by-step explanation:

Since these chords are perpendicular, we know that the proportion of each length is equal. Thus 3/40 = x/12, which we can solve to find x = 0.9

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Answer:

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Step-by-step explanation:

let

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2 years ago

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Step-by-step explanation:

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2 years ago

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GREYUIT [131]

Answer:

25%

Step-by-step explanation:

To solve this, we can use the percent change formula shown in the picture attached below. $x_{2}$ is the new value, $x_{1}$ is the old value, and $C$ represents the change. For this problem, 80 is the new value and 64 is the old value. Let's plug those numbers into the formula and solve for the percent change: