3 years ago

-1 + 2x - x = x - 8 + (-x)

Mathematics

1 answer:

CaHeK987 [17]3 years ago

6 0

Answer:

x = -7

Step-by-step explanation:

-1 + x = -8

x = -7

You might be interested in

In order to estimate the mean amount of time computer users spend on the internet each month, how many computer users must be s

levacccp [35]

Answer:

1877 computer users

Step-by-step explanation:

We have that for 95% of confident, the value of z has a value of 1.96 (attached table about it), they also mention the margin of error (E) that is 10 and finally the standard deviation (sd) that has a value of 221.

We apply the following formula:

n = [z * sd / E] ^ 2

replacing:

n = [1.96 * 221/10] ^ 2

n = 1876.27

that is, the minimum sample size is 1877

7 0

2 years ago

a shirt had a logo printed on the front. this logo increases the cost by 25% to £15. what was the original al cost of the shirt

DIA [1.3K]

Answer:

11.25

Step-by-step explanation:

15*(1-25%)=11.25

4 0

3 years ago

Jared has 2 dogs, spot and rover. spot weighs 75.25

SVEN [57.7K]

Where is the rest of the question?

7 0

3 years ago

Read 2 more answers

What is the answer to this?

Keith_Richards [23]

Answer:

Y = 28.31

Z = 13.29

Angle A = 28

Step-by-step explanation:

For Angle A:

Remember a triangle has a total of 180 degree angles. So set up your formula as

180 - 62 -90 = Angle A

For Y:

The sine of an angle is equal to the ratio of the opposite side to the hypotenuse.

sin (B) = opp/hyp or b/c or (y)

sinB = 62

b = 25

Rewrite as c=b/2SinB -> c=25/sin62 -> Y = 28.31

For Z:

Use the Pythagorean theorem to find the unknown side.

$z^{2} = 28.31^{2} - 25^{2}$

z = 13.29

3 0

3 years ago

Five pumpkins have the following weights: 12 lbs, 15 oz, 9 lbs, 2 lbs, and 96 oz.

Alecsey [184]

Answer:

15, 96, 2, 9, 12.

8 0

3 years ago