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ale4655 [162]
4 years ago
14

A baseball has a 15 cm diameter what is the voulme of the contents of the ball

Mathematics
1 answer:
ddd [48]4 years ago
7 0

Answer:

The answer is 1767.15cm^3

Step-by-step explanation:

The formula for finding the volume of a spherical object is 4/3(π)(r^3),where r is the radius of the object. But here only the diameter was given. And diameter=2(r), where r is radius.

So to find the radius, divide the diameter by 2. Since by making r the subject of the equation you get r=diameter/2.

Using the formula

4/3(π)(r^3)=(4π((15/2)^3))/3

=(4π(7.5^3)/3

=(4π(421.875))/3

Since π is 3.141592654

(4π(421.875))/3=1/3(4(3.141592654)(421.875))

=1/3(5301.437603)

=1767.145868

But I rounded off the answer to 2 decimal places and so I got 1767.14

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^^^^^^^^^^^^^^^^^^^^
Sladkaya [172]
<h2>Hello!</h2>

The answer is:

The correct option is:

A) $74.55

<h2>Why?</h2>

To calculate how much does Sonya pay for the four pairs altogether, we need to calculate the original price after the 50% discount and the taxes.

Calculating we have:

PriceAfterDiscount=35*50(percent)=35*\frac{50}{100}\\\\35*\frac{50}{100}=35*0.5=17.5

We have that before the tax, the price of the shoes was $17.5, then, calculating the price after the taxes, we have:

AfterTaxes=17.5(1+6.5(percent))=17.5(1+\frac{6.5(percent)}{100})\\\\AfterTaxes=17.5(1+\frac{6.5(percent)}{100})=17.5*(1+0.065)\\\\AfterTaxes=17.5*(1+0.065)=17.5*1.065=18.637

So, we have that the price after discount and the taxes is $18.637 per each pair of shoes.

Hence, the price for the four pairs of shoes will be:

TotalPrice=4*18.637=74.548=74.55

Have a nice day!

8 0
3 years ago
Can someone Help meeee!!
kirill [66]
70.24, That should be right





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Because probability of an event =chances of favourable outcomes/total number of outcomes
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