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3 years ago

Please answer correct! Will mark brainliest.

Mathematics

2 answers:

guajiro [1.7K]3 years ago

4 0

I pretty sure it’s B because you have to undo what is being done to 4/5 which would be to divid it on both sides then all you have left is x + 20 so you should subtract it to get x by itself.

Len [333]3 years ago

4 0

All I know it’s C and probably F

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Step-by-step explanation:

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3 years ago

Please answer this asap and please show work.

lesya692 [45]

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2 years ago

The radius of a circle is 2.9 in. Find the circumference to the nearest tenth.

ELEN [110]

Answer:

$\bf \large 20 \: inches$

Step-by-step explanation:

<h2>Given that :</h2>

The radius of a circle is 2.9 in.

Find the circumference to the nearest tenth.

<h2>formulas used :</h2>

circumference = 2 × π × r

where,

π = 22/7
r = 2•9 inches

<h2>explanation :</h2>

⟼ c = 2πr

⟼ c = 2 × 22/7 × 2•9 inches

⟼ c = 2 × 3•14 × 2•9 inches

⟼ c = 6•28 × 2•9 inches

⟼ c = 18•21 inches.

<h2>Round to the nearest tenth :</h2>

⟼ c = 18•21 inches

⟼ c = 20 inches

∴ circle circumference is 20 inches .

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3 years ago

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