All categories

3 years ago

X(7 - x) > 8 A. 8 B.2 C. -1 D.0

Mathematics

1 answer:

Elodia [21]3 years ago

3 0

=7x-x^2>8
0=7x-x^2-8
0= -x^2 + 7x -8
0=(x^2 + 8x)-(x - 8)
0=x(x + 8)-1(x +8)
0=(x-1) 0=(x+8)
x=1 x= -8

You might be interested in

Find WV 2X+26 2X+31

blsea [12.9K]

Answer:

Step-by-step explanation:

Yes u are doing it right

So just find x first

2x + 26 + 2x +31 =13

4x + 57 = 13

4x = - 44

x = - 11

Since now u know x = - 11, and u know

WV =2X+26

So...

2x + 26

=2(-11) + 26

= - 22 + 26

= 4

3 0

3 years ago

Solve the following equation x²=64

Mrac [35]

Answer:

x=8 or x=−8

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

a young adults burns 11 calories per minute while joggers which function shows how many calories that person will burn in x minu

Zinaida [17]

Having sex is way better at burning calories, but 11x

6 0

3 years ago

Help please Brainly involved

scoundrel [369]

Answer:

17 is M

Step-by-step explanation:

5 0

3 years ago

Solve the equation r/-4=-15

torisob [31]

Answer:

60/-4

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers