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2 years ago

I need help with this math

Mathematics

2 answers:

ivann1987 [24]2 years ago

4 0

Answer: 105

Expination: i used a calculater

olga55 [171]2 years ago

4 0

H = 21 x 5
h = 105

Hope this helps

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2(w-1)+8=6(2w-4) please help w=?

sergejj [24]

Answer:

W = 3

Step-by-step explanation:

2(W - 1) + 8 = 6(2w - 4)

2w - 2 + 8 = 12w - 24

2w + 6 = 12w - 24

6 = 10w - 24

30 = 10w

3 = W

Hope this helps. Pls give brainliest.

5 0

2 years ago

What is the value of (StartFraction 3 Over 10 EndFraction) cubed?

ad-work [718]

Answer:

The answer is StartFraction 27 Over 1000 EndFraction or $\\ \frac{27}{1000}$

Step-by-step explanation:

We have here a fraction. In this case, the numerator and the denominator of the fraction must be cubed, that is, both, the numerator and the denominator must be raised to the same exponent, in this case 3 (cubed).

In general, for fractions, this is the general rule that we must to follow to raise some fraction to any exponent.

In the case concerning this question, we have

$\\ (\frac{3}{10})^3$

$\\ \frac{3^3}{10^3}$

$\\ \frac{3*3*3}{10*10*10}$

$\\ \frac{27}{1000}$

So, the value of $\\ (\frac{3}{10})^3 = \frac{27}{1000}$ .

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2 years ago

A man runs at the speed of 10 km/hr. How much time will he take to cover 2000 meters?

LUCKY_DIMON [66]

200 hours.

It’s 10km for every one hour
Divide 2000 by 10 and you will be left with the number of km for every one hour.

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2 years ago

I need help with this math ​

I need help with this math