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8_murik_8 [283]
3 years ago
15

3.

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
8 0

Answer:

110÷360×π×4.6^(2)= 20.312

Step-by-step explanation:

Area of sector = angle / 360 x π x r^(2)

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(PQ)2 + (QR)2 = (PR)2, because 9 + 16 = 25

Step-by-step explanation:

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1. True, 2. False, 3. I am blind.

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For the 3rd one I cannot confirm becaue I am blind.

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Find the indicated part for the similar triangles.
sattari [20]
EF=9 cm. Both triangles are the same.
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If holly,alex and ben had 100 balls. holly had 20 balls and alex had 2x as many as she did, how many did ben have?​
umka2103 [35]

Holly has 20 balls, and there are 100 balls in total.

So there are 100-20 = 80 balls left.

Alex had 2 * the amount Holly had, which is 20.

So Alex has 20 * 2 = 40 balls.

Together, they have 60 balls.

Which means 100-60 = 40. So Ben has 40 balls.

Check:

Holly: 20

Alex: 40

Ben: 40

Add them: 20 + 40 + 40 = 100

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3 years ago
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Benny, and his three friends went to lunch. The bill, before sales tas and tip, was $37.50. A sales tas of 8% was added. The gro
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Answer:

there was a tax of 8%.

there was a tip of 18%.

3 dollars

Step-by-step explanation:

what is 8% of $37.50?

To find the percent of something, first you need to put the percent as a decimal.

8% in decimal form is 0.08 (If you think about it they're both 8 hundredths)

just multiply the percent in decimal form by the number.

37.50 dollars × 0.08 = 3 dollars.

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