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scoray [572]
2 years ago
12

Simplify 3(x+2)-6+x please!

Mathematics
2 answers:
kirill115 [55]2 years ago
7 0
The answer is 4x that the answer
andrew-mc [135]2 years ago
7 0

Answer:

4x

Step-by-step explanation:

use the distributive property

3(x+2) = 3x+6

3x+6-6+x

the 6 and -6 cancel out - equaling 0

3x+0+x

3x+x= 4x

4x+0 is the same as 4x.

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Can someone please check to make sure I got this correct? I would appreciate if you showed your work so that I could compare wit
dmitriy555 [2]

Answer:

-4

Step-by-step explanation:

[√2(cos(3π/4) + i sin(3π/4))]⁴

(√2)⁴ (cos(3π/4) + i sin(3π/4))⁴

4 (cos(3π/4) + i sin(3π/4))⁴

Using De Moivre's Theorem:

4 (cos(4 × 3π/4) + i sin(4 × 3π/4))

4 (cos(3π) + i sin(3π))

3π on the unit circle is the same as π:

4 (cos(π) + i sin(π))

4 (-1 + i (0))

-4

8 0
2 years ago
A reading specialist wanted to estimate the mean word length, in number of letters, for an elementary school history textbook. T
Alika [10]

Answer:

Step-by-step explanation:

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7 0
2 years ago
Read 2 more answers
Which is correct? 1, 2 , 3, or 4?
max2010maxim [7]

Answer:

i think its B

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
If the each side of equalaterial triangle is a cm. what is the area?​
Yuri [45]

Step-by-step explanation:

area \: of \: a \: triangle =  \frac{1}{2}  \times base \times height \\  \\ base =  \frac{a}{2} cm \\  {h}^{2}  +   {( \frac{a}{2} )}^{2}  =  {a}^{2}  \\  \\ h =  \sqrt{ {a}^{2} -  \frac{ {a}^{2} }{4}  }  \\  \\ area \: of \: triangle =  \frac{1}{2}  \times b \times h \\  =  \frac{1}{2}  \times  \frac{a}{2}  \times  \sqrt{ {a}^{2}  -  \frac{ {a}^{2} }{4} }  \\  \\  =  \frac{a}{4}  \times  \sqrt{ {a}^{2} -  \frac{ {a}^{2} }{4}  }

5 0
2 years ago
Solve for x.<br> 4<br> 8 1<br> -x + x = -42<br> 7*- 35<br> 5<br> X =
nekit [7.7K]

Answer:

-×+× =-42

7* -35

5

×= -7×6=-42

4 0
3 years ago
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