4 years ago

Evaluate this expression: 4 + 9e when e = 10 *

Mathematics

2 answers:

Nady [450]4 years ago

5 0

Answer:

Step-by-step explanation:

4 + 9e

4 + 9(10)

4 + 90

g100num [7]4 years ago

3 0

Replace e with 10 and put it in parenthesis and multiply 9x10

4+ 9(10)

4+90

94

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A sphere has a radius of 3 inches. What is the volume of the sphere rounded to the nearest tenth? Use 3.14 for pi. 28.3 in³ 88.7

Lina20 [59]

ANSWER

The volume of the sphere is $113.0in^3$ .

EXPLANATION

The volume of a sphere is calculated using the formula;

$Volume=\frac{4}{3}\pi r^3$ .

We were given in the question that the radius is $3$ inches. Therefore we substitute $r=3$ in to the formula for finding the volume to obtain;

$Volume=\frac{4}{3}(3.14) (3)^3$

$\Rightarrow Volume=\frac{4}{3}(3.14) (27)$ .

$\Rightarrow Volume=4\times (3.14) (9)$

$\Rightarrow Volume=113.04$

Rounding to the nearest tenth means we should round to one decimal place. This will give us;

$Volume=113.0in^3$

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4 years ago

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IceJOKER [234]

4x + 16 = -2

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S_A_V [24]

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Step-by-step explanation:

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