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Sliva [168]
3 years ago
11

I need help on 9. 10. 11.

Mathematics
1 answer:
netineya [11]3 years ago
8 0
9. there are 22 signs
10. 34.46 square miles
11. 77.9 miles
:)
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F(x)=3x+18

That is the awnser they I got
3 0
3 years ago
Factorise 24e^2-28e-12
Helga [31]

Answer:

4(2e - 3)(3e + 1)

Step-by-step explanation:

Given

24e² - 28e - 12 ← factor out 4 from each term

= 4(6e² - 7e - 3) ← factor the quadratic

Consider the factors of the product of the e² term and the constant term which sum to give the coefficient of the e- term.

product = 6 × - 3 = - 18 and sum = - 7

The factors are - 9 and + 2

Use these factors to split the e- term

6e² - 9e + 2e - 3 ( factor the first/second and third/fourth terms )

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= (2e - 3)(3e + 1)

Then

24e² - 28e - 12 = 4(2e - 3)(3e + 1) ← in factored form

8 0
3 years ago
An office is 20 feet long, 15 feet wide, and 12 feet high. it costs about 9 cents per year to air condition one cubic foot of sp
pentagon [3]
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7 0
3 years ago
A fair coin is flipped three times. What is the probability of getting two heads and then a tail?
Debora [2.8K]
2/3!

I hope this helped! Mark me Brainliest! :) -Raven❤️
3 0
3 years ago
Read 2 more answers
What is a/5+3=8 and what does a=?
jonny [76]

Answer:

a=25

Step-by-step explanation:

Solve by subtracting 3 from both sides.

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Multiply both sides by 5.

a=25

8 0
2 years ago
Read 2 more answers
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