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Aleksandr [31]
2 years ago
8

The radius of the circle below is 22 mm. Calculate the area of the circle. Give your answer in mm² to 1 d.p.​

Mathematics
1 answer:
Snowcat [4.5K]2 years ago
6 0

Answer:

1520.7mm^2

Step-by-step explanation:

area of a circle= πr^2

area of the circle = 3.142×22^2

area of the circle= 3.142×22×22= 1,520.728

area to 1dp= 1520.7mm^2

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[(-6) + 5] ÷ [(-2) + 1]
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Answer:

Answer is 1

Explanation:

(-6 + 5) / (-2 + 1)

-1 / -1

1
3 0
3 years ago
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suppose the annual rate of inflation average 3.8% over the next 10 years. the present cost of oil change for tour car is $23.95.
Mariana [72]
If the annual rate in 10 years has the same quadralaterical value the answer would be 47.9 but we can make sure our answer is correct
what we know:

The cost changed in 10 years to 23.95

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4 0
3 years ago
Tony is opening a pizza restaurant and needs to determine the amounts of ingredients he will use in his pizzas. He wants the amo
Vika [28.1K]

The equation that represents this situation while the variable s representing the amount of dough needed , for a small pizza is (5/2)S = (3/2)S + S  .

In the question ,

it is given that

amount of dough for a medium pizza is 3/2 times the amount of dough for small pizza ,

let the amount of dough required for small pizza = S

let the amount of dough required for large pizza = L

let the amount of dough required for medium pizza = M

So , M = (3/2)S

and amount of dough for a large pizza is 5/2 times the amount of dough for small pizza ,

that is

L = (5/2)S

amount of dough used for one large pizza is equal to the amount of dough used for one medium and one small pizza ,

that is L = M + S .

Substituting the value of L and S , we get

(5/2)S = (3/2)S + S

We have a linear equation that is true for all S , there is no unique solution to this equation .

Therefore , The equation that represents this situation is (5/2)S = (3/2)S + S .

The given question is incomplete , the complete question is

Tony is opening a pizza restaurant and needs to determine the amounts of ingredients he will use in his pizzas. He wants the amount of dough for a medium pizza to be 3/2 times the amount of dough for a small pizza. And, he wants the amount of dough for a large pizza to be 5/2 times the amount of dough for a small pizza. Also, the amount of dough used for one large pizza should to be equal to the amount of dough used for one medium and one small pizza. So, he needs to determine how much dough to use for a small pizza. Use this information to complete the following tasks.

Write an equation to represent this situation while the variable s representing the amount of dough needed , for a small pizza .

Learn more about Equation here

brainly.com/question/17026235

#SPJ1

4 0
1 year ago
Manuel worked 5 days a week, and 6 hours each day. That week he earned 337.50. What was his hourly rate
Irina18 [472]
11.25
Hope this helps!
8 0
3 years ago
Please, I need help fast!​
Vesna [10]

Answer:

Step-by-step explanation:

The answer to your question is -40

8 0
3 years ago
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