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2 years ago

14

The sum of Rick's test score and 15is100.What was the Rick's score?

2 answers:

azamat2 years ago

3 0

Yes, I can show you how to solve that problem.
Please watch carefully and try to follow me.
I'll go slowly, and you must stop me if I do
anything that's not clear to you.

You said that <u> Rick + 15 = 100</u>

Subtract 15 from each
side of the equation: <em>Rick = 85
</em>

Nadya [2.5K]2 years ago

3 0

Yes, I can show you how to solve that problem.

Please watch carefully and try to follow me.

I'll go slowly, and you must stop me if I do

anything that's not clear to you.

You said that Rick + 15 = 100

Subtract 15 from each

side of the equation: Rick = 85

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3 years ago

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What is the surface area of a cone that has a radius of 8 feet and a slant height of 12 feet? (Use 3.14 for π.)

kodGreya [7K]

Answer:

Surface area of cone is $502.4\ ft^2$

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Given:

radius of a cone (r) = 8 feet

slant height of cone (l) = 12 feet

We need to find the surface area of cone.

Total surface area of cone = Area of circle $+$ Area of curved surface

Now we know that,

Area of circle = $\pi r^2$

Area of curved surface = $\pi rl$

Hence Total surface area of cone = $\pi r^2+\pi rl=\pi r(r+l) = 3.14 \times 8 (8+12)=3.14\times8\times20= 502.4 \ ft^2$

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3 years ago

Jo bought a used car for $6000 and paid 15% deposit. How much does he still have to pay?

AlexFokin [52]

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3 years ago

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