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torisob [31]
3 years ago
13

Please help!! Help would be very much appreciated

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
5 0
Area of a circle = (pi)(radius squared)

Find the area of the larger circle, then find the area of the smaller circle and then subtract the difference.

Larger Circle:
A=(3.142)(5cm)2
A=(3.142)(25)
A=78.55

Smaller Circle:
A=(3.142)(2)2
A=(3.142)(4)
A=12.57

Subtract difference between the 2:

78.55-12.57= 65.98 cm is the area of the shaded portion
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Abby sold half of her comic books and then bought seventeen more. She now has 32. With how many did she begin?
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Answer:

15 because 32 - 17 = 15

Step-by-step explanation:

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3 years ago
Lindsay and Lorraine are trying to match the jump rope world record. Together, they need to jump 48 times in a row. Lindsay has
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Answer:  21

Step-by-step explanation:

Given : Lindsay and Lorraine are trying to match the jump rope world record.

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Lindsay has gotten 14 jumps in a row, and Lorraine has gotten 13.

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Let 'j' be the number of more jumps they need to match the record.

j= Total jumps needed - Total jumps they already gotten

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5 0
3 years ago
If A, B, and C are collinear, and AB = 18, AC = 41, what is a possible measure of BC?
ikadub [295]

Step-by-step explanation:

As ANC are collinear,

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8 0
3 years ago
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Evaluate (-7)2. <br><br><br> p l e a s e<br> a n s w e r <br> q u i c k\
devlian [24]

Answer:

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Step-by-step explanation:

The parenthesis basically mean "multiply". So, this is a simple equation meaning -7 x 2. And remember, anytime we multiply a positive by a negative, you get a negative. So, simply multiply 7 x 2 = 14 and add a negative sign to make the solution true. So, -7 x 2 or (-7)2 = -14

Hope this helps! If you have any additional questions, please don't hesitate to ask me or your teacher to be sure you master the subject. Also thank you for the generous points!! Stay safe and please mark brainliest!!

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Which of the following is a solution of x2 + 2x + 4?
scoray [572]

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Step-by-step explanation:

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