4 years ago

Please find the value(s) of x.

1 answer:

6 0

-2x^2+50x+40=0
-2*(x^2-25x-20)=0
x^2-25x-20=0

complete square:
x^2-25x-20+156.25^2=0+156.25
x^2-25x+156.25^2=20+156.25
(x-12.5)^2=176.25
x-12.5=+/-sqrt(176.5)
x=12.5+/-sqrt(176.5)

You might be interested in

I really need help with these math problems

8090 [49]

Answer:

ok the last option is for the middle one and I think the vocabulary one goes with the second one of the options sorry I dont know anything else

6 0

3 years ago

Read 2 more answers

What is the standard form of nine million, twenty thousand, twenty-nine

KatRina [158]

Answer:

9000000+20000+20+9

Step-by-step explanation:

4 0

3 years ago

14) What does a correlation coefficient of r = -0.01 imply about the graph

Elanso [62]

Answer:

eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee hi

Step-by-step explanation:

5 0

3 years ago

Darrel divided 8,675 by 87. His work is shown below

Hoochie [10]

C. He forgot to place a zero in the quotient.

see attachment:

5 0

2 years ago

Can anyone help me pls I will mark brainlist !! :)))

Kay [80]

Answer:

14 inches

Step-by-step explanation:

The volume of a rectangular prism is V=l*w*h

Given the info in the problem, we have:

840=l*10*6

840=60l

14=l

The length of the prism is therefore 14 inches because volume is length*width*height and since we already have the volume, height, and width, we need to get the variable for length by itself.

5 0

3 years ago