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Vlad1618 [11]
2 years ago
12

Perform the indicated operation.(3x - 4)2

Mathematics
2 answers:
pashok25 [27]2 years ago
8 0

Answer:

6x-8

Step-by-step explanation:

you multiply 2*3x=6x then 4*2=8

therefore 6x-8=(3x-4)2

uysha [10]2 years ago
3 0

Answer:

Step-by-step explanation:

The first step is solving (3x-4)2 is the distributive property.

(3x)2+(-4)2=

6x+-8 and that is your answer

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True or false 7 ÷ 1/4 is the same as 7*4<br> A. True<br> B. False
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Which set of side lengths create a right triangle ?
I am Lyosha [343]

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(8, 15 and 17)

Step-by-step explanation:

\sqrt{10^{2} +28^{2} } \neq 29

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3 0
3 years ago
Help with #9 please?
nekit [7.7K]
We're given a parabola

y=x^2-4

and a line

y = 2x+b

The zeros of the parabola are

0=x^2-4

4=x^2

x=\pm 2

We see that (-2,0) is on the line as well:

y = 2x+b

0 = 2(-2)+b

b=4

Choice D


4 0
2 years ago
Find the surface area of a rectangular prism measuring<br> 5 m by 8 m by 9 m.
olganol [36]
The formula of the surface area of the rectangular prism is equal:
A=2(wl+wh+lh)
where:
l - length
w - width
h - height
We have:
l = 5m
w = 8m
h = 9m
Substitute:
A=2\cdot(5\cdot8+5\cdot9+8\cdot9)=2\cdot(40+45+72)=2\cdot157=314\ m^2

3 0
3 years ago
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