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Radda [10]
3 years ago
14

Cube

Mathematics
1 answer:
rjkz [21]3 years ago
7 0

Answer:

Step-by-step explanation:

let side of cube=x

volume of cube=x³

x³=10.645

x=(10.645)^{\frac{1}{3} } \\x \approx 2.19979

or x≈2.2

a.

length of side of cube=2.2 cm

b.

length of wire used=3[4×2.2]=26.4 cm

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Solve the system of linear equations by elimination.<br><br> 9x−2y=349x−2y=34<br> 5x+2y=−6
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One half of the number n increased by 10 is the
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Answer:

Step-by-step explanation:

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2 years ago
Calculate the length of the circumference of a circle with radius of 4.5cm <br><br> Pie=3
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5 0
3 years ago
Read 2 more answers
(10+-7 - -2) / (-2 - -1)
Scrat [10]

Nice use of brackets. We know exactly what you mean.

(10 - 7 + 2) / (-2 + 1) Notice that with an even number of - signs, you get a plus and with and odd number you get a minus.

(5) / (-1) = - 5 answer

Edit

Numerator

10 does not change.

+ - 7 Here a plus and a minus are put together. There is 1 minus sign which is an odd number of minus signs so the 7 is minus

- - 2 Here there are 2 minus signs. They become plus because 2 is even, and an even number of minuses become a plus so you have +2

10 - 7 + 2 = 5

Denominator

-2 does not change. It remains minus 2.

- - 1 There are 2 minus signs so this becomes plus 1.

- 2 + 1 = - 1

Numerator over denominator = 5/-1 = - 5. I'll probably run out of editing time. If you still don't understand, try and pinpoint the problem and we'll keep trying until you do see it. This question is worth it.

4 0
3 years ago
Read 2 more answers
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