Solve -x + 2 < 3x - 6

2 answers:

8 0

-x+2<3x-6 subtract 2 from both sides

-x<3x-8 subtract 3x from both sides

-4x<-8 divide both sides by -4 (and reverse sign because of division by a negative value!)

x>2

mote1985 [20]3 years ago

7 0

Remember you can do anything to an equation as long as you do it to both sides ( and when mulitply or divide by a negative, flip sign)

-x+2<3x-6
add x both sides
2<4x-6
add 6 both sides
8<4x
divide by 4
2<x
x>2

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David wants to complete a hypothesis test with the least amount of probability for error. If he sets the significance level to 1

Brrunno [24]

Answer:

He could increase the sample size

Step-by-step explanation:

In hypothesis testing, the error associated with the test is affected by a number of factors. The first factor is the level of significance, alpha. This is the probability of type 1 error. The probability of rejecting the null hypothesis when it is indeed true.

The second factor is the size of the sample used. The larger the sample, the smaller the error since the characteristics of the sample will be closer to those of the entire population on which inference is being made

8 0

3 years ago

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In a class full of men and women, 5/9 of the class are women. What is the ratio of men to women in its simplest form?

andrew-mc [135]

Answer:

4/5

Step-by-step explanation:

5x are women

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9x - 5x = 4x

4x are men