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Semmy [17]
3 years ago
8

What is the value of 3x squared when x = 2?

Mathematics
2 answers:
KonstantinChe [14]3 years ago
7 0

Answer:

Step-by-step explanation:

(3x)^{2}=(3(2))^{2} =36

(OR)

3(x^{2})=3(4)=12

Its depend on your sentence structure, what u r asking!!

mixer [17]3 years ago
3 0

Answer:

\boxed{\sf 12}

Step-by-step explanation:

=> 3x^2

Given that x = 2

=> 3(2)^2

=> 3(4)

=> 12

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12 more than (-17) is<br><br> A. 29 B. -29 C. -2 D. -5
Ivanshal [37]
-5 because 12+-17 is -5
7 0
3 years ago
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Can someone please help me the answer is not 133 or 109 please and thank you
schepotkina [342]

Answer:

32

Step-by-step explanation:

12/3=4

45/3=15-4-7=4 * the witch doesn't have a wand or spoon like the top row does.

21/3=7

4+4x7*order of operations

4+28

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3 years ago
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The length of a rectangle is twice its width.<br> The perimeter of the rectangle is 126 feet.
seraphim [82]

Answer: Length = 42ft Width = 21ft

Step-by-step explanation:

Let "w" be width

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Perimeter:

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8 0
3 years ago
-3x(x+8)+x+2(9-x-x^2) please show solving steps
Flauer [41]

Answer:

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Step-by-step explanation:

-3x ( x + 8 ) + x + 2 ( 9 - x - x^2 )  ( original equation )

-3x^2 - 24x + x + 18 - 2x - 2x^2   ( distribute )

-3x^2 - 2x^2 - 24x + x - 2x + 18   ( order them based on the variables . )

( -3x^2 - 2x^2 ) (- 24x + x - 2x ) ( + 18 )    ( just separated them not a part of solving !! )

-5x^2 - 25x + 18    ( solved , and the answer :) )

Hope its helps !!!

4 0
3 years ago
What is a rational number
Murrr4er [49]

Answer:

Rational numbers are numbers that can be written as fractions, unlike π, which never ends and cannot be expressed as a fraction.

I am joyous to assist you anytime.

8 0
3 years ago
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