3 years ago

What is the midpoint of -4,1 and 4,5

Mathematics

1 answer:

Lunna [17]3 years ago

6 0

Step-by-step explanation:

Mid point of (-4,1) and (4,5) is

= {(-4+4)/2, (1+5)/2}

=(0,3)

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Which equation describes a linear function

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Answer:

This may be y=mx+b

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3 years ago

Solve for x. Show each step of the solution.<br> Show each step when solving for x.

andrew-mc [135]

-3x(4-6x) < x+5

-12x+18x² < x+5

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3 years ago

The next four digits in the number 0.3435363738394041 are

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3 years ago

You want to create a 99% confidence interval with a margin of error of .5. Assuming the population standard deviation is equal t

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Answer:

Sample size minimum is 60

Step-by-step explanation:

given that you want to create a 99% confidence interval with a margin of error of .5.

The population standard deviation is equal to 1.5

i.e. $\sigma = 0.5$

Confidence level = 99%

Since population std deviation is known, we can use Z critical value for finding margin of error

Z critical value for 99% = 2.58

Margin of error = $2.58*\frac{1.5}{\sqrt{n} }$

Equate this to 0.5 and solve for n

$2.58*\frac{1.5}{\sqrt{n} }=0.5\\\sqrt{n} =7.74\\n =59.90\\n=60$

8 0

3 years ago

You work 4 hours on Monday, 4.5 hours on Tuesday, 7.25 hours on Thursday, and 12 hours on Saturday. If you get paid $11.52 per h

ch4aika [34]

Answer:

$319.43

Step-by-step explanation:

Monday= 4 * $11.52= $46.08

Tuesday= 4.5 * $11.52= $51.84

Thursday= 7.25 * $11.52= $83.27

Saturday= 12 * $11.52= $138.24

When you add all of those together you get $319.43

hope this helped (:

(this took so long so this better be right...<3)

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2 years ago