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yuradex [85]
3 years ago
5

"Calculate the volume of the cylinder if the diameter is 42 cm and height of cylinder is 8 cm"

Mathematics
1 answer:
olga55 [171]3 years ago
6 0
To find the answer of this problem you need the formula for a cylinder.

V= pi* r^2 * h   just plug in your numbers and you have the answer.

You also need to remember that diameter is just twice the radius.
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Cost of pen:1.50 <br> markup:70%
Ira Lisetskai [31]
If by markup you mean discount then.....
1.5*0.07 = $0.105
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3 years ago
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Paul's Pizzeria sells 45 cheese pizzas and 20 pepperoni pizzas each week. What is the ratio of cheese pizzas to pepperoni pizzas
Papessa [141]
Ratio of cheese to pepperoni...
45 cheese....20 pepperoni.....45/20 reduces to 9/4 or 9:4

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7 0
3 years ago
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As a block of ice melts it changes from 1 3/4 lb to 1/4 lb and takes 1/4 hr. What is the rate the ice changes?
Nutka1998 [239]

The rate at which the ice changes is -3/8 lb per hr

<h3>What is the rate the ice changes?</h3>

The given parameters are:

Changes =1 3/4 lb to 1/4 lb

Time = 1/4 hr.

The rate the ice changes is calculated as:

Rate = Change/Time

So, we have

Rate = (1/4 lb - 1 3/4 lb)/(1/4 hr)

Evaluate the difference

Rate = (-1 1/2 lb)/(1/4 hr)

Evaluate the quotient

Rate = -3/8 lb per hr

Hence, the rate at which the ice changes is -3/8 lb per hr

Read more about rates at:

brainly.com/question/19493296

#SPJ1

8 0
1 year ago
Omar has a new credit card. He earns 300300300 reward points for every 100100100 dollars he spends. If omar earned 180018001800
jeka94

Omar spent 600 dollars for earning 1800 reward points.

<em><u>Explanation</u></em>

Omar earns 300 reward points for every 100 dollars he spends.

Suppose, he spent  x dollar for 1800 reward points.

Now <u>according to the ratio of "amount of money spent" and "reward points"</u> , the equation will be......

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Thus, Omar spent 600 dollars for earning 1800 reward points.

5 0
3 years ago
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Is there a transformation that maps shape 1 onto shape 4?
Llana [10]

Answer:

1 place to the left and 2 places down

Step-by-step explanation:

(+1,-2)

5 0
3 years ago
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