3 years ago

Given that D(x)=2 select all of the following that are true statements

Mathematics

1 answer:

topjm [15]3 years ago

6 0

If you're going to do a multiple choice question, please include the choices so we can better help you!

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A random sample of bolts is taken from inventory, and their lengths are measured. The average length in the sample is 5.3 inches

LekaFEV [45]

Answer:

$L_x=5.3 inches$

Step-by-step explanation:

Average length $\=x =5.3 inches$

Standard deviation $\sigma=0.2 inches$

Sample size $n=50$

Generally The point estimate for the mean length of all bolts in inventory is

$L_x= \=x$

$L_x=5.3 inches$

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3 years ago

The product of c and 2

Arlecino [84]

Answer:

c2?

Step-by-step explanation:

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3 years ago

Solve the inequality. 3x + 7 > 4x + 2

ankoles [38]

5>x because you can subtract 5 from both sides and 3x from both sides

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3 years ago

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Write a description of this inequality: -5a+3>1

iren [92.7K]

The sum of -5a and 3 is greater than 1.

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3 years ago

How many weeks will it take him to afford a car worth £1932

andreev551 [17]

7 hours a day
7 x €9.20 = €64.4 per day

6 days a week
€64.4 x 6 = €386.4 per week

Will:Mum = 5:2

386.4 / 7 = 55.2

Will: 55.2 x 5 = 276

After shares his wages, Will makes $276 a week

1932 / 276 = 7 weeks

answer

7 weeks

4 0

3 years ago