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anygoal [31]
2 years ago
8

The cuberoot of -125 is​

Mathematics
2 answers:
gogolik [260]2 years ago
4 0

Answer:

if the number is -125 then cube root is -5

if the number is 125 the cube root is 5

zepelin [54]2 years ago
3 0

Answer:

It is -5

Step-by-step explanation:

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A survey organization, as part of the United States Census Bureau, conducts a yearly census similar to the one taken every ten y
lyudmila [28]

Answer: $69811

Step-by-step explanation:

Given : A survey organization, as part of the United States Census Bureau, conducts a yearly census similar to the one taken every ten years, but with a smaller percentage of participants.

One of these surveys estimates with 90% confidence that the mean household income in the U.S. falls between $69,702 and $69,920.  (1)

We know that the confidence interval is given by :-

Point estimate of mean  ± Margin of error

From (1) , we have

Point estimate for mean  -Margin of error = $69,702   (2)

Point estimate for mean  +Margin of error = $69,920      (3)

Add (2) and (3), we get

2 (Point estimate for mean) = $139622

Divide both sides by 2, we get

Point estimate for mean=$ 69811

Therefore , the point estimate for mean U.S. household income. =  $ 69811

6 0
3 years ago
Two boys on bicycles, 45 miles apart, began racing directly toward each other. The instant they started, a fly on the handle bar
BlackZzzverrR [31]

Complete question is: Each bicycle have speed 10 mi/h and fly flies at 21 mi/h. How far the fly flies?

Answer:

47.25 mi

Step-by-step explanation:

The relative velocity of the bicycles is 10+10 = 20 mi/h

Time in which the two bicycles meet:

t=\frac{45}{20} = 2.25 h

Distance covered by fly:

d=vt\\d=21mi/h\times 2.25h \\d=47.25 mi

3 0
3 years ago
What is the final concentration if a saline solution consisting of 20% NaCl is diluted using a 1/4 solution?
vodomira [7]

Answer: C.V=C1.V1 +C2.V2

Step-by-step explanation: C=(C1V1 + C2V2)/V -> C=(20%.V+25%V)/2V-> C=22,5%

6 0
3 years ago
The numerator and the denominator of a certain fraction are consecutive odd numbers. If nine is subtracted frm the numerator, th
Pachacha [2.7K]

The denominator of a fraction is 1 more than 3 times the numerator. If the denominator is doubled and the numerator is increased by 2, the value of the resulting fraction is 1/4. Find the original fraction.

4 0
3 years ago
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Is y = -4 + 2x linear?​
BlackZzzverrR [31]

Answer: it is linear

Step-by-step explanation: Find the degree of the equation to determine if linear.

5 0
2 years ago
Read 2 more answers
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