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lilavasa [31]
3 years ago
8

What is the answer to this equation. -2(-4×+1)+2(×+4)

Mathematics
2 answers:
Mnenie [13.5K]3 years ago
7 0
10x + 6
distribute and combine like terms! :)
larisa86 [58]3 years ago
6 0

Answer:

10x + 6 is the answer

Step-by-step explanation:

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Help me please please
Alecsey [184]

Answer:

it is 50

Step-by-step explanation:

50 is the answer becasue i got a 10 on the test

6 0
3 years ago
Read 2 more answers
-4+0.8 is it rational or irrational and why​
Whitepunk [10]

Answer:

rational

Step-by-step explanation:

-4+0.8=-3.2

8 0
3 years ago
Sin(20)=x/670 ????????
mash [69]

Answer:

229.2

Step-by-step explanation:

Remark

There's a lot in this question. The x is not just any x. It is defined and limited by its relationship with the sine function.

The Sin is defined as Opposite over Hypotenuse in a right triangle. The 670 is the Hypotenuse. You know that by the definition of Sine.

So one thing you should always keep in mind: the x because of where it is in the definition, will always be smaller than the Hypotenuse. So you should get a value less than 670.

Formula

Just as you have it

Sin(20) = x / 670

Solution

Multiply both sides by 570

670 * sin(20) = x

sin(20) = 0.3420

x = 670 * 0.3420

x = 229.2

6 0
2 years ago
(6x −9)3−1=((6x−9)3)(0) Solve for X
Tasya [4]

Answer:

Step-by-step explanation:

Remark

Anything multiplied by 0 = 0. So the whole right side is 0.

(6x - 9)*3 - 1  = 0                       Add 1 to both sides.

(6x - 9)*3 - 1 + 1 = 0 + 1             Combine

(6x - 9)*3 = 1                             Divide both sides by 3

(6x - 9)*3/3 = 1/3                      Simplify

(6x - 9) = 1/3                             Remove brackets. Add 9 to both sides

6x - 9+9 = 9 1/3                        Combine

6x = 9 1/3

6x = 28/3                                   Divide both sides by 6

6x / 6 = 28/3 // 6                       Invert the 6 and multiply.

x = 28/3 * 1/6

x = 28/18

Answer

x = 14/9

6 0
2 years ago
Each of the four sides of a swimming pool measures 9 meters. The pool is 5 meters deep. How much water will be needed to fill it
Alexxandr [17]

Answer:

D. 405

Step-by-step explanation:

First, you find the area of the swimming pool without the water. That is 9 x 9 = 81. Then you multiply the area (without water) by 5 to find the area with the water.

3 0
2 years ago
Read 2 more answers
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