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KengaRu [80]
3 years ago
15

What is the factored form of 3x^2+21x-24

Mathematics
2 answers:
Oxana [17]3 years ago
8 0

Answer:

3(x-1)(x+8)

Step-by-step explanation:

3x2+21x−24

3x2+21x−24

=3(x−1)(x+8)

Ber [7]3 years ago
6 0

Find the Greatest Common Factor (GCF)

GCF = 3

Factor out the GCF (Write the GCF first, then in parenthesis divide each term by the GCF)

3(3x^2/3 + 21x/3 - 24/3)

Simplify each term in parenthesis

3(x^2 + 7x - 8)

Factor x^2 + 7x - 8

<u>3(x - 1)(x + 8)</u>

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matrenka [14]

A.

So for 1 hour you pay 10 dolars then for 3 you pay 30 then for 11 you pay 110 then for 20 you pay 200.

For B and C I dont Know sorry.

4 0
3 years ago
Can somebody help me with these to questions how do you find the area of the circle
Grace [21]

13)

Circumference (C) = 2π·r

11π = 2π·r

11/2 = r

******************************

Area (A) = π·r²

             =  π·(11/2)²  

            = 121π/4

           ≈ 94.985 in²

14)

diameter = 2r

          42 = 2r

           21 = r

*******************

Area (A) = π·r²

             =  π·(21)²  

            = 441π

           ≈ 1384.74 in²

***************************

$280/1384.74 in²

x = $0.20

Answer: about 20 cents per square inch

 



                     

6 0
3 years ago
I will give you 25 points for my other qusetion
Sophie [7]
What was your other question
6 0
3 years ago
Read 2 more answers
How many different arrangements of 3 letters can be formed if the First letter must be W or K
Llana [10]
You would do 2 · 26 · 26 = 1,352 different arrangements 
8 0
3 years ago
Read 2 more answers
Which phrase describes an unknown or changeable quantity/
Helen [10]
Answer:
C. 2 times the number of pages in the book

Explanation:
The number of pages of the book may vary or can change depending on the book
6 0
3 years ago
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