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ludmilkaskok [199]
3 years ago
13

2x-8=4(x+1). Solve for X please!

Mathematics
2 answers:
julsineya [31]3 years ago
6 0

Answer:

-6 = x

Step-by-step explanation:

2x-8=4(x+1)

Distribute

2x -8 = 4x+4

Subtract 2x

2x-8-2x = 4x-2x+4

-8 = 2x+4

Subtract 4

-8-4 = 2x+4-4

-12 = 2x

Divide by 2

-12/2 = 2x/2

-6 = x

pogonyaev3 years ago
6 0

Answer:

x =  - 6

Step-by-step explanation:

2x - 8 = 4(x + 1) \\ 2x - 8 = 4x + 4 \\ 2x - 4x = 8 + 4 \\  - 2x = 12 \\  \frac{ - 2x}{ - 2}  =  \frac{12}{ - 2}  \\ x =  - 6

hope this helps

brainliest appreciated

good luck! have a nice day!

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Answer:6,051

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5 0
3 years ago
If the first differences of a sequence are a constant -7 and the third term is 22, find the first 5 terms of the sequence.
Andru [333]

Answer:

36, 29, 22, 15, 8

Step-by-step explanation:

Step 1: State known information

First difference is -7

Third term of the sequence is 22

Step 2: Find first 5 terms

You just need to add and subtract 7 to 22 and the answer 5 times

1. 36 +7

2. 29 +7

3. 22 <- We know 22 is the 3rd term

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8 0
3 years ago
A UFO is coming in to pick up some test subjects. Their elevation above the ground is 60,000 feet. Their laser sights tell them
charle [14.2K]

Answer:

41.83°

Step-by-step explanation:

It is given that :

The vertical distance of the UFO from the ground = 60,000 feet

The diagonal distance of the landing area to the UFO = 90,000 feet

In order to find the angle of depression, we have to use the trigonometric ratios, i.e.,

$\sin \ \theta = \frac{\text{perpendicular distance}}{\text{hypotenus}}$

$\sin \ \theta = \frac{60,000}{90,000}$

$\sin \ \theta = \frac{2}{3}$

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∴ $\theta = \sin^{-1 }(0.667)$

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3 0
3 years ago
Students were surveyed about the time they wake up on school mornings. The results are shown in the table.
sergij07 [2.7K]
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7 0
2 years ago
Read 2 more answers
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andrew-mc [135]
The interval of 95% confidence, for normally distributed variables, is average +/- 2 * standard deviation:

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Answer: option D)


8 0
3 years ago
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