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3 years ago

What is the area of the shaded portion in square?

Mathematics

1 answer:

lianna [129]3 years ago

7 0

Answer:

8 -2 π square units

Step-by-step explanation:

I hope this helps! I apologize for answering late; I just now completed this lesson, myself. I assure you its right.

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Sterre charges $35 to file tax returns, but files for free if she only needs the easiest form. Then she donates $2 to clean wate

Sauron [17]

Charges for filing each tax return not through the easiest form = $35

Charges for the filing each tax return through the easiest form = $0

Donation made to clean water project for each tax return filed = $2

Let total tax returns filed be 'a' and total tax returns filed at $35 be 'b'

⇒ Tax returns filed at $0 = a-b

Total money charged by Sterre = $7, 245

Total donation made by Sterre = $1, 242

Now, first we will determine the total tax returns filed by Sterre

Total donation made by Sterre = Donation made per tax return × Total returns filed by Sterre

⇒ 1,242 = 2 × a

⇒ a = 621

Hence, Sterre filed total of 621 tax returns

Now total money charged by Sterre = Charges for filing each tax return not through the easiest form × Tax returns filed at $35

⇒ 7,245 = 35 * b

⇒ b = 207

Hence, Sterre filed 207 returns at $35.

⇒ Tax returns filed at $0 = 621 - 207

⇒ Tax returns filed at $0 = 414

Hence, at $35, Sterre filed 207 tax returns, and at $0 Sterre filed 414 tax returns.

6 0

4 years ago

WILL MARK YOU BRAINLIEST

kaheart [24]

Step-by-step explanation:

question is not clear enough

Can't see the letters even

7 0

3 years ago

Factor completely: 4x2 + 25x + 6

IceJOKER [234]

(x + 6)(4x + 1)
x times 4x = 4x^2
x times 1 = x
6 times 4x = 24x
6 times 1 = 6
<span>And finally, by adding like terms, 4x^2 + 25x + 6

I hope this helps you! Good luck :)</span>

7 0

3 years ago

Z to the 2nd+11 Z equals -21 over 4

VashaNatasha [74]

If you're asking us to solve for Z...
z² + 11z = -21/4
4z² + 44z + 21 = 0
Enter... *drumroll* the quadratic equation!
$z = \frac{-b +- \sqrt{b^{2}-4ac}}{2a}$
(that's a plus or minus, sorry)
$z = \frac{-44 +- \sqrt{44^{2}-4(4)(21)}}{2(4)}$
x = -0.5 or -10.5

Does this help? Is it too complicated? Do you have any questions?

7 0

4 years ago

Algebra 1 help please!!!

strojnjashka [21]

Answer:

19 is the correct answer

5 0

4 years ago

Read 2 more answers