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Tpy6a [65]
3 years ago
11

PLEASE HELP DUE BY 11:30 PM TONIGHT SOMEONE PLEASE HELP ME ALLREADY I WILL GIVE BRAINLEIST ANSWER SOME ONE PLEASE HELP MEEEEEEEE

!!!!!!!!!!!!!!!!!!
Janine inflated a ball to a radius of 18 cm and another ball to a radius of 12 cm.

How much greater was the volume of air in the larger ball than the smaller ball?

Use 3.14 to approximate pi. Round to the nearest hundredth if necessary.

Enter your answer in the box.
Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
4 0
V = 4/3 (pi) r^3

ball with radius of 18 cm...
V = 4/3(3.14)(18^3)
V = 4/3(3.14)(5832)
V = 24429.02

ball with radius of 12...
V = 4/3(3.14)(12^3)
V = 4/3(3.14)(1728)
V = 7238.23

24429.02 - 7238.23 = 17190.79 greater <====
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Step-by-step explanation:

Hope this helps you :))

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7 0
4 years ago
What’s the answer to the top question and steps how to solve?
Leviafan [203]

Answer:

-3.69

Step-by-step explanation:

Exponential equations can be solved by taking Ln (natural logarithm) of both sides. The rule we need to know is:

Ln(a^b)=bLn(a)

Now lets work out this problem:

16^{2x+3}=13^{x-1}\\Ln(16^{2x+3})=Ln(13^{x-1})\\(2x+3)Ln(16)=(x-1)Ln(13)

Using calculator, we take the values of Ln 16 and Ln 13 as:

Ln 16 = 2.7726

Ln 13 = 2.5649

Now, we can solve for x:

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x is -3.69 (rounded to 2 decimal places)

3 0
4 years ago
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