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iren [92.7K]
3 years ago
11

The area of a circular plate is 625pi sqaure in. If the radius of the plate is tripled what is the new area

Mathematics
1 answer:
goldenfox [79]3 years ago
5 0

Answer:

5625in²

Step-by-step explanation:

Area of the plate = πr²

625π = πr²

625 = r²

r = √625

r = 25in

If the radius of the plate is tripled, then the new radius will be 3(25) = 75in

New Area = π(75)²

New Area = 5625π in²

If the radius is tripled, the new area of the plate is 5625in²

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Find the number of multiples of 11 between 999 and 1999.
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Daniel started a video game with 30 tokens. He earned 8 more tokens 0/10
WINSTONCH [101]

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7 0
3 years ago
Dante and Mia have a total of 350 pennies in their piggy banks, altogether. After Dante lost half of his pennies and Mia lost on
tatuchka [14]

Answer:

150 pennies were lost altogether

Step-by-step explanation:

Let the initial number of pennies owned by Dante be x pennies

Let the initial number of pennies owned by Mia be y pennies

Mathematically ;

x + y = 350 •••••••(i)

So after losing half, dante will have x/2 pennies left.

Mia lost 1/3 so she will have 2/3y left

So after all the losses, they both had equal amount of pennies

This means that;

x/2 = 2y/3

Cross multiply;

3x = 4y •••••••(ii)

Let’s solve both equations simultaneously;

From i , x = 350-y

Substitute this into equation ii

3(350-y) = 4y

1050-3y = 4y

7y = 1050

y = 1050/7

y = 150

since x = 350-y

x = 350-150 = 200

Now Dante loss x/2 = 200/2 = 100

Mia lost 1/3y = 1/3 * 150 = 50

Total pennies lost = 100 + 50 = 150

7 0
3 years ago
5. Find the quotient: 0.382 +0.2.<br> A 0.0764<br> C 1.91<br> B 0.764<br> D 0.191
ankoles [38]

Answer:

The expression is not correctly given. However If you want the quotient of 0.2 divided by 0.382. This would be the correct answer

C.  \: 1.91

Hope thai helps!

please like if I'd does help! (:

3 0
2 years ago
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