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const2013 [10]
3 years ago
7

20 PTS!!!

Mathematics
2 answers:
Maslowich3 years ago
4 0

Answer: x = -2

<u>Step-by-step explanation:</u>

vertical line means it will be x = ___

Set the x-values equal to each other and solve for x.

3 - 2x = x + 9

<u>    +2x</u> <u>+2x     </u>

3        = 3x + 9

<u>-9      </u>    <u>      -9 </u>

-6       =3x

    \frac{-6}{3} = \frac{3x}{3}

     -2 = x

Over [174]3 years ago
3 0

Answer:

-2

Step-by-step explanation:

CHecked online. is correct

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(5x3 + 3)2 = (5x3)2 + (3)2 = 25x6 + 9 is this correct
faust18 [17]

Answer:

No!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! NO NO NO NO NO... SEE BELOW!!!!!!

Step-by-step explanation:

LOL I like caps!!! and !'s

To question

If 5x3 is 5x^3 then...

5x^3 times 2 equals 10x^3 no 10x^6

So the end result will be 10x^3\\ + 9

5 0
3 years ago
Jackson will buy the items listed below. He has $422.76 in his checking account. He had a stored-valued card worth $75. He withd
Inessa05 [86]

Answer:

A

Step-by-step explanation:

44.99+299.49 = $344.38

$344.38 - store card ($75) = $269.48

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6 0
3 years ago
cake batter poured into a pan creates a circular batter pattern whose radius increases at a constant rate of 1 in/sec. at what r
docker41 [41]

Answer:

8 π .

Step-by-step explanation:

radius increases at a constant rate of 1 in/sec.

dr / dt = 1

where r is radius .

radius after 4 sec

r = 1 x 4 = 4 in

area A = π r²

differentiating both sides

dA / dt = 2 π r dr / dt

Putting dr / dt  = 1 , r = 4 in

dA / dt = 2 π x 4 x 1

= 8 π sq in per sec.

Area increases at the rate of 8 π per sec.

6 0
3 years ago
(3m^3- 1/2 y) (3m^w - 1/2y)<br> multiply
Westkost [7]

Answer:

This is just multiplying not simplify.

4 0
3 years ago
Let g(x) = 9x + 24<br> find g(3)<br> Let g(x)=9x+24, find g(3).
sasho [114]

Answer:

51

Step-by-step explanation:

Plug in 3 as x into the function:

g(x) = 9x + 24

g(3) = 9(3) + 24

g(3) = 27 + 24

g(3) = 51

6 0
3 years ago
Read 2 more answers
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