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3 years ago

9 1/6 - 2 3/4 Please explain the steps :)

1 answer:

7 0

77/12 or 6 5/12

Explanation:

1.) Convert the mixed number to a improper fraction.

2.) You’ll get 55/6 — 11/4.

3.) Subtract the Fractions.

4.) Then you’ll get 77/22 or 6 5/12.

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Solve for n. Show your work.

VladimirAG [237]

Answer:

n = -3

Step-by-step explanation:

2n-8 = 5n Times both of the sides by 2

-9 = 3n subtract 2n from both sides

-3 = n Divide 3 from both sides.

3 0

4 years ago

Suppose that salaries for recent graduates of one university have a mean of $25,700 with a standard deviation of $1350. Using Ch

sergeinik [125]

Answer:

75% of the data will reside in the range 23000 to 28400.

Step-by-step explanation :

To find the range of values :

We need to find the values that deviate from the mean. Since we want at least 75% of the data to reside between the range therefore we have,

$1 - \frac{1}{k^2} =\frac{75}{100}$

Solving this, we would get k = 2 which shows the value one needs to find lies outside the range.

Range is given by : mean +/- (z score) × (value of a standard deviation)

⇒ Range : 25700 +/- 2 × 1350

⇒ Range : (25700 - 2700) to (25700 + 2700)

Hence, 75% of the data will reside in the range 23000 to 28400.

3 0

3 years ago

HELP IM TAKING THE TEST The track team gives awards for first, second, and third place runners. There are 10 students from schoo

-Dominant- [34]

Answer:

Its NOT B

Step-by-step explanation:

I just took the test

5 0

3 years ago

Read 2 more answers

Josh is unpacking boxes at her job at target she unpacks 17 boxes that each have 25 regular DVDs in them she also on tax 24 boxe

Musya8 [376]

Answer:

1+1=4

Step-by-step explanation:

6 0

3 years ago

There are 70 dogs and 55 cats at the shelter. 15 of these animals get adopted . What is the percent of the animals that got adop

Alja [10]

Answer: 12%

Step-by-step explanation:

Given

There are 70 dogs and 55 cats at the shelter

If 15 animals are adopted

Total no of animals =70+55=125

Percent of animals adopted is given by

$\Rightarrow \dfrac{\text{Animals adopted}}{\text{Total animals}}\times 100\\\\\Rightarrow \dfrac{15}{125}\times 100=12\%$

5 0

3 years ago