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ioda
3 years ago
13

Simplify the expression 4 (9x)

Mathematics
2 answers:
Naddika [18.5K]3 years ago
8 0

Answer:

36x

Multiply x and 9

Multiply x and 1

The x just gets copied along.

The answer is x

x

9*x evaluates to 9x

Multiply 4 and 9x

Multiply 1 and x

The x just gets copied along.

x

4*(9*x) evaluates to 36x

The final answer is

36x

TEA [102]3 years ago
4 0

Answer:

36x

Step-by-step explanation:

Distribute the 4 by multiplying everything in the parentheses by 4

4(9x)

4*9x

4 and 9 multiply, and the x can be tacked on the end

4*9=36

Tack on the x

36x

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Which of the following expressions is equivalent to the expression 2(7x+3)
Ira Lisetskai [31]

Answer:

14x+6 and (7x+7)+(3+3)

Step-by-step explanation:

4 0
3 years ago
After 2/3 of an hour, the tightrope walker has traveled 1/6 of a mile across Niagara Falls. How many miles will he have to trave
Jlenok [28]

Answer:

1/4

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%284%20%2B%206i%29%20%7B%7D%5E%7B2%7D%20" id="TexFormula1" title="(4 + 6i) {}^{2} " alt="(4 +
34kurt

Answer:

36i^{2}+48i+16

Step-by-step explanation:

(4+6i)^{2} is essentially (4+6i)(4+6i) (you are squaring (4+6i), so multiplying it by itself), so to simplify, you would need to distribute.

A good way to go about this is using the F.O.I.L. method, multiplying the First numbers in the parentheses, then the Outers, then Inners, and finally, Lasts.

(4+6i)(4+6i) >> (4+6i)(4+6i) >> (4+6i)(4+6i) >> (4+6i)(4+6i)

((4*4)+(4*6i)+(6i*4)(6i*6i))

After doing so, you would end up with 16+24i+24i+36i^{2}, and after combining like terms, 16+48i+36i^{2}.

To write the expression in standard form, though, just order the terms from highest to lowest power!

5 0
3 years ago
This box can be packed with 48 units cubes. The edge length of each unit cube is 1 meter. What is the volume of the box?
Dafna1 [17]

48 m³

Step-by-step explanation:

A cube has equal length width and height

A cube in this case has length 1m meaning the width and height are also 1 m each in length.

The volume of the cube is (L * W * H) =  1 * 1 * 1 = 1 m³

If 48 of these can fit in the bigger box, then the bigger box has the volume of;

48 * 1 m³ = 48 m³

Learn More:

For more on volume of a cube check out;

brainly.com/question/7543014

brainly.com/question/9719931

#LearnWithBraily

8 0
3 years ago
-6(y+15)=-3y+6<br> what value of y makes the equation true
AlladinOne [14]

Answer:

y = -32

Step-by-step explanation:

-6(y+15)=-3y+6

Distribute

-6y - 90 = -3y +6

Add 6y to each side

-6y -90+6y = -3y+6y +6

-90 = 3y+6

Subtract 6 from each side

-90 -6 = 3y +6-6

-96 = 3y

Divide by 3

-96/3 = 3y/3

-32 = y

7 0
3 years ago
Read 2 more answers
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