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madam [21]
2 years ago
15

The area of the shape is 54 cm2. Find the value of r.

Mathematics
1 answer:
Bond [772]2 years ago
4 0
Radius is half the circumference
c= 2(square root) pieA
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Select all the correct answers. Which two inequalities can be used to find the solution to this absolute value inequality? 3|x +
ziro4ka [17]

The absolute value inequality can be decomposed into two simpler ones.

x < 0

x > -8

<h3></h3><h3>Which two inequalities can be used?</h3>

Here we start with the inequality:

3|x + 4| - 5 < 7

First we need to isolate the absolute value part:

3|x + 4| < 7 + 5

|x + 4| < (7 + 5)/3

|x + 4| < 12/3

|x + 4| < 4

The absolute value inequality can now be decomposed into two simpler ones:

x + 4 < 4

x + 4 > - 4

Solving both of these we get:

x < 4 - 4

x > -4 - 4

x < 0

x > -8

These are the two inequalities.

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6 0
1 year ago
What is the midpoint of the line segment with endpoints (-1, 3) and (-5,5)?
Debora [2.8K]

Step-by-step explanation:

it is the ans to the midpoint.

7 0
3 years ago
What is the distance between -15.5 and -8.7?<br><br> A: 24.2 <br> B:7.2. <br> C. 6.8<br> D. -24.2
garri49 [273]

B. 7.2

Step-by-step explanation:

-15.5+7.2=(-8.7) and vice versa.

5 0
3 years ago
Toby just graduated from four years of college. at the beginning of each year, he took out a stafford loan with a principal of $
Mila [183]

If he starts paying after four years, the worth of the loans by then is b. $31,616.16

<h3>What is a Loan?</h3>

This refers to the amount collected from a lender to be repaid after a given time, usually with added interest.

Hence, we can see that:

The effective monthly interest rate is:

i = 0.053/12 = 0.0044

The effective annual interest rate is:

i = (1 + 0.0044)^12 -1 = 0.0543

The present worth of all the loans is:

P = 6125 + 6125 (1 + 0.0543)^-1 + 6125 (1 + 0.0543)^-2 + 6125(1 + 0.0543)^-3

P = $22,671.40

If he pays them prompty, then the total lifetime cost would be

P = 22671.40 (1 + 0.0543)^4 = $31,616.16

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6 0
2 years ago
Solve for f. <br> -f +2+4f =8 -3f
Hitman42 [59]

Answer:

f=1

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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