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astra-53 [7]
3 years ago
5

HELP ME SOLVE THIS PROBLEM PLEASE! :)

Mathematics
2 answers:
ss7ja [257]3 years ago
5 0
Volume of a sphere = \frac{4}{3}  \pi  r^{3}
volume of a sphere = \frac{4}{3} \pi (3x)^{3} 




lukranit [14]3 years ago
3 0
The answer would be the first option :
4/3r (3x)^3.

Hope this helps !

Photon
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Can anyone help me with this it would be great.
snow_lady [41]

Answer:

11. The student put 24 as the diameter instead of the radius.

12. 48 pi

Step-by-step explanation:

The formula for the circumference of a circle is c = pi x diameter.

However, the question says that the radius is 24m, not the diameter.

To fix it, all you need to to is double the radius to get 48m for the diameter.

48 x pi = 48 pi

3 0
2 years ago
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I need help with: 100 textbooks increased by 99%. Is it 199??
yarga [219]
Hey there! :D

99%=.99

100*.99= 99 

100+99= 199

So, you would be correct. 99% of 100= 99 Nice work!

I hope this helps!
~kaikers
6 0
3 years ago
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What is the value of this expression when 5a=20?
natita [175]
A=4 

Just divide 5 on both sides :-)
3 0
3 years ago
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In Canada in 1998 the estimated number of households that owned 2 or more vehicles was 3.939 x 10 6
WITCHER [35]

In Canada in 1998 the estimated number of households written in standard decimal notation is 3939000

<u>Solution:</u>

Given that in 1998 estimated number of households that owned 2 or more vehicles was 3.939 \times 10^{6}

Need to represent the number 3.939 \times 10^{6} in standard decimal notation.

In this case we need to move the decimal point based on the power of 10.

In our case power of 10 = 6.

Let’s first take a number without 10^6 and add six zeros on right.

So we get 3.939000000

Now multiplying above number by 10^6 means moving the decimal after 6 numbers from the current position, that means  

3.939 \times 10^{6}=3939000.00

That is 3939000 is required standard decimal notation of scientific notation number 3.939 \times 10^{6}

5 0
3 years ago
Describe the graph of y = 3 x squared and compare it with the graph of y = x squared
lesantik [10]
Y=-x^2 is just y=x^2 reflected over the x-axis. In other words, the parabola is upside-down.
3 0
2 years ago
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