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Katarina [22]
2 years ago
6

Paragraph explaining how the volume of a sphere in real world and mathmatical problems

Mathematics
1 answer:
Tanya [424]2 years ago
4 0

Answer:

We can find the volume of a sphere using the volume of a cylinder. Cylinder is a solid which has a circular base. We know the fact that the volume of any solid is equal to the product of base area and height of the solid. So, the volume of a right circular cylinder of base radius ‘r’ and height ‘h’ is given by

Step-by-step explanation:

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if $168.00 is the profit on a job, and this represents 8%of the contract price,what is the contract price?
Galina-37 [17]

We are told that $168.00 represents 8% of the contract price; therefore,we know that

original price *( 8/100) = $168.00

Now, writing out "original price" is a bit space-consuming; therefore, we will just rename it and say

original price = OP

Then, our equation above can be written as

OP\times\frac{8}{100}=168

We solve for OP (original price) by multiplying both sides by 100 and then dividing by 8. This gives us

OP=\frac{100}{8}\times168\textcolor{#FF7968}{\therefore OP=2100}\text{\textcolor{#FF7968}{.}}

Hence, the original contract price is $2100.

6 0
11 months ago
Diameter of the circle whose radius is given <br>a) 3.5cm<br>​
sdas [7]
To find the diameter of the radius you need to multiply 3.5 x 2 = 7

5 0
3 years ago
How much should you invest at 5% simple interest in order to earn $100 interest in 12 months?​
marissa [1.9K]

Answer:

You should invest $2000 at 5% simple interest in order to earn $100 interest in 12 months.

Step-by-step explanation:

Using the formula

I = Prt

where

I = Interest earned

P = The principal (let say in $)

r = The Interest Rate

t = time

Given that

  • I = $100
  • r = 5%
  • t = 12 month = 1 year
  • P = The principal amount needed to invest (let say in $)

Thus,

I = Prt

100 = P × 5% × 1

100 = P × 5/100 × 1

100 × 100 = P × 5

10000 = P × 5

P = 10000/5

  = 2000 (let say in $)

Thus, you should invest $2000 at 5% simple interest in order to earn $100 interest in 12 months.

7 0
2 years ago
Which of the following expressions could be equal to f(x)???
noname [10]
If i understand the machine correctly and -3 is x and 8 is the final answer, f(x)=x+11
4 0
2 years ago
sally works 38 hours er week her weekly wage is £355.68 she recieves a pay increase of 23p per hour whats her new weekly wage
zhenek [66]

Answer:

  • £364.42

Step-by-step explanation:

  • Weekly wage =  £355.68
  • Work week = 38 hours

<u>Hourly pay is:</u>

  • £355.68/38 = £9.36

<u>New payment per hour:</u>

  • £9.36 + £0.23 = £9.59

<u>New weekly wage is:</u>

  • £9.59*38 = £364.42
4 0
3 years ago
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