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egoroff_w [7]
3 years ago
8

5

Mathematics
1 answer:
ziro4ka [17]3 years ago
4 0

Answer:yhjghjghj

Step-by-step ex6757lanation:

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Solve the equation. 8x2 – 4 = 28
Flura [38]
Hello,

Your answer would be 2, -2.

8x^2 - 4 = 28

8x^2-4+4=28+4

8x^2 = 32

\frac{8x^2}{8}=  \frac{32}{8}  


x^2 = 4

x = +/4 

x = 2 or x = -2

2 , -2 would be the answer! :)


Mark Brainliest if this helped you :)
4 0
3 years ago
Read 2 more answers
Evaluate Each Expression :) only 5 problems.
STatiana [176]

Answer: Im going left to right btw

1) 27

2) 66

3) 28

4) 8

Exit Ticket

18

6 0
3 years ago
Please Help!! Will Mark Brainliest!!!
Gennadij [26K]

Answer:

a. This data best fits an exponential model.

b. The regression equation would be:  y = 8385(1.12)^x

c. The y-intercept would be the starting value of the account.

d. Yes, the correlation coefficient is 0.9983.

e. If you input 6 into the equation, you will get a value of $16,550.

Step-by-step explanation:

I hope this helps, and I would appreciate the brainiest asap.

8 0
2 years ago
If an object is projected upward from the top of a 144 ft building at 112 ft per sec, its position (in feet above the ground) is
Mandarinka [93]

When it hits the ground the height would be 0.

Set h to 0 and solve for t ( time)

0 = -16t^2 + 112t + 144 divide both sides by -16:

T^2 -7t -9

Factor the polynomial :

( t- 8.1) (t+1.1

Solve for t setting each equation to 0:

T = 8.1 or t = -1.1

Time has to be positive, so the answer is

8.1 seconds

Depending on how everything gets rounded it could also be 8 seconds.

8 0
3 years ago
1Write an equation in slope intercept form for a line that contains the
san4es73 [151]

Answer:

y=-\frac{1}{9}x+\frac{5}{3}

Step-by-step explanation:

6 0
3 years ago
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