2 years ago

What makes the value of k true

1 answer:

7 0

When you multiply exponents like in the problem, you add them together.

So to find the answer, just subtract the final exponent of 'a' from the original.

6-2=4

The answer should be 4

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The circle has center O. Its radius is 9 ft, and the central angle a measures 50°. What is the area of the shaded region?

Ivahew [28]

Answer:

35.34305555555

Step-by-step explanation:

You must calculate the percentage taken out of the circle by the shaded region. This would be about 13.8%. Then you take the overall area of the circle and multiply it by the percentage. This should give you your answer.

REMEMBER TO ROUND IF YOU ARE SUPPOSED TO, THERE IS NO INDICATION ON BRAINLY. WITHOUT ROUNDING YOU CAN GET THE ANSWER WRONG.

8 0

2 years ago

Mary, Chau, and David have a total of $87 i their wallets. Marry has 9$ more than Chau. David has two times what Mary has. How m

Pavel [41]

Answer:

Mary = 24

Chau = 15

David = 48

Step-by-step explanation:

The formula is

Mary + Chau + David = 87

And we know that

Chau = Mary - 9

David = Mary * 2

So when we fill this in

Mary + Mary - 9 + Mary * 2 = 87

4Mary - 9 = 87

4Mary = 96

Mary = 24

Chau = Mary - 9 = 15

David = Mary * 2 = 48

7 0

2 years ago

Solve the inequality. r + 5 < 10

mars1129 [50]

R<5
r has to be less than 5, now doesn't it

7 0

2 years ago

Read 2 more answers

Mia went shopping for a new pair of pants because of a sale. The price on the tag was $34, but Mia paid $27.20 before tax. Find

irina1246 [14]

Answer:

0.068%

Step-by-step explanation:

Before is the key word you want to know the price before she tax so you would subtract the two numbers to get your before tax answer 6.8 then you would divided this by 100 to make it a percent

5 0

1 year ago

how much longer was the greatest amount of time spent than the least amount of time spent on math last week when 5 1/4 - 3/4

Amanda [17]

X= 5 1/4 - 3/4
x= ((5*4)+1)/4 - 3/4
x= 21/4 - 3/4
x= 18/4
x= 4 2/4
x= 4 1/2

x= 4 1/2 is the answer to (5 1/4 - 3/4), so it is 4 1/2 longer

Hope this helps! :)

5 0

2 years ago

Read 2 more answers