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mixas84 [53]
2 years ago
13

1

Mathematics
2 answers:
nasty-shy [4]2 years ago
5 0

Answer:

B

hope this helps :)

zysi [14]2 years ago
3 0

Answer:

D

Step-by-step explanation:

to find the zeros, equate f(x) to zero, that is

(x - 7)(x + 8) = 0

equate each factor to zero and solve for x

x - 7 = 0 ⇒ x = 7

x + 8 = 0 ⇒ x = - 8

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hram777 [196]

Answer:

you are doing -4. so the first parenthesis -4(x+2x+1) is incorrect.

Step-by-step explanation:

Hope this helps plz hit the crown :D

6 0
3 years ago
Read 2 more answers
Please help a step by step would be nice answer is also ok
nasty-shy [4]
I would choose A I’m not to sure tho
6 0
3 years ago
Find the value of x<br> 18 <br> 20 <br> x
sesenic [268]
21 420 69 thank you very much
4 0
2 years ago
Students are selling pies for a school fundraiser. Customers can buy cherry pies and apple pies. Jennifer sold 12 cherry pies an
Tpy6a [65]

Answer: A cherry pie costs 9 and an apple pie cost 12

Step-by-step explanation:

Let an apple pie be represented by a

Let an cherry pie be represented by c

Jennifer sold 12 cherry pies and 3 apple pies for a total of 144. This can be written as:

12c + 3a= 144

Jacob sold 2 cherry pies and 9 apple pies for a total for 126. This can be written as:

2c + 9a = 126

12c + 3a= 144 ............. i

2c + 9a = 126 ........... ii

Multiply equation i by 2

Multiply equation ii by 12

24c + 6a = 288 ........ iii

24c + 108a = 1512 ...... iv

Subtract iv from iii

-102a = -1224

a = 1224/102

a = 12

An apple pie costs 12

From equation i

12c + 3a= 144

12c + (3×12) = 144

12c + 36 = 144

12c = 144 - 36

12c = 108

c = 108/12

c = 9

A cherry pie costs 9

7 0
2 years ago
Please help me with this <br>​
Lesechka [4]

Answer:

2 π r ( r + l ) 2 \pi r (r + l ) 2πr(r+l)

Step-by-step explanation:

7 0
2 years ago
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