4 years ago

What is the value of x in the equation x – y = 30, when y = 15?

2 answers:

Bess [88]4 years ago

6 0

$x-y=30
\\ y = 15
\\ x-15 = 30
\\ (x-15)+15 = 30+15
\\ x = 45$

4 0

Hello, the answer that you should be looking for is 45. when you plug it into the equation you should end up with 45-15=30.

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ivann1987 [24]

Answer:

12862.83cm³

Step-by-step explanation:

Volume of the Box: [L×W×H] or [30x30x30] or [27000cm³]

Volume of the Sphere: [ $\frac{4}{3}\pi r^{3}$ ] ( $\pi$ =pi=3.14) (r=radius=15) or [ $\frac{4}{3}$ ×3.14×3375] or [14137.17cm³]

Volume of the empty space: 27000cm³-14137.17cm³=12862.83cm³

Btw there are online tools to help you find the volume of a sphere (just use it after you understand the equation)

Hope I helped!

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