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sasho [114]
3 years ago
9

Moses earns a gross salary of 10 500 per month. th basic monthly expenses used from the income are as follows ,housing expense 2

1%,food 36%,transport 10%,cellphone bills 1,9%. t
he rest is for savings .calculate the gross salary per annum​
Mathematics
1 answer:
Zolol [24]3 years ago
7 0

Answer:

$126000

Step-by-step explanation:

Gross salary per month = $10500

Gross salary per annum

= Gross salary per month × 12

= $10500 × 12

= $126000

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Marco got a quotient of 70 when he divided 49 by 0.07.
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The correct answer for this problem is 700. This is because 0.07 is in the hundredths place. Marco got it wrong because he didn't count the place correctly. 
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The radius of the large sphere is double the radius of the small sphere. How many times does the volume of the large sphere than
pshichka [43]

Answer:

8 times larger.

Step-by-step explanation:

The radius of the large sphere is double the radius of the small sphere.

Question asked:

How many times does the volume of the large sphere than the small sphere

Solution:

<u>Let radius of the small sphere = </u>x<u />

<u>As the radius of the large sphere is double the radius of the small sphere:</u>

Then, radius of the large sphere = 2x

To find that how many times is the volume of the large sphere than the small sphere, we will <em><u>divide the volume of large sphere by  volume of small sphere:-</u></em>

For smaller sphere: Radius = x

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For larger sphere: Radius = 2x

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                             =\frac{4}{3} \pi (2x)^{3}

Now, we will divide volume of the larger by the smaller one:

=\frac{4}{3} \pi (2x)^{3}\div\frac{4}{3} \times\frac{\pi }{1 } \times x^{3}\\  \\ =\frac{4}{3} \pi\times8x^{3} \times\frac{3}{4\pi }\  \times\frac{1}{x^{3} }

\frac{4}{3}\pi\   is \ canceled\  by\  \frac{3}{4\pi } \ and\ also\ x^{3} is\ canceled\ by \ \frac{1}{x^{3} }

<u>Now, we have</u>

= \frac{8}{1}

Therefore, the volume of the large sphere is 8 times larger than the smaller sphere.

7 0
3 years ago
Read 2 more answers
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mina [271]

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