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Lena [83]
2 years ago
12

4(6p+2q-2p) simplify

Mathematics
1 answer:
Oliga [24]2 years ago
3 0
The most simplified form is 16p+8q
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Find the range of the given data set.<br><br> -4, -3, -1, -1, 0, 1
Dovator [93]

Answer:

5

Step-by-step explanation:

To find the range, first order the data from least to greatest. Then subtract the smallest value from the largest value in the set.

7 0
3 years ago
Suppose that the populations of the United States and China both increase by 12 million people in one year. What would be the re
Jlenok [28]

Question:

Suppose that the populations of the United States and China both increase by 12 million people in one year. What would be the relative change for each country? Answer to the nearest tenth of a percent (1 decimal place). Make sure that you fill in each answer area before checking "How Did I Do?".

If you assume that the U.S. population is about 300 million, an increase of 12 million would result in a relative change of Number %.

If you assume that China has about 1 billion people, an increase of 12 million would result in a relative change of Number %.

Answer:

The relative change of the United States and China is 4% and 1.2%, respectively.

Step-by-step explanation:

Given

Represent population with p. So, we have:

United States

\triangle p = 12\ million

p_1 =300\ million

China

\triangle p = 12\ million

p_1 =1\ billion

Required

Determine the relative change for each country

Relative change, C is calculated as:

C = \frac{\triangle p}{p} * 100\%

For United States

C = \frac{12\ million}{300\ million} * 100\%

C = \frac{12}{300} * 100\%

C = \frac{12 * 100}{300}\%

C = \frac{1200}{300}\%

C = 4\%

For China

C = \frac{12\ million}{1\ billion} * 100\%

C = \frac{12}{1000} * 100\%

C = \frac{12* 100}{1000} \%

C = \frac{1200}{1000} \%

C = 1.2\%

The relative change of the United States and China is 4% and 1.2%, respectively.

3 0
2 years ago
An item is priced at $13.24. If the sales tax is 5%, what does the item cost including sales tax?
cestrela7 [59]
B would be correct cause 5 percent would be .66
8 0
3 years ago
Read 2 more answers
Three consecutive integers are n, n+1, and n+2. Four times the sum of the least and greatest integers is 12 less than three time
polet [3.4K]

Answer:

-4

Step-by-step explanation:

let n be least.

3n-12=4(n+n+2)

3n-12=8n+8

3n-8n=8+12

-5 n=20

n=-4

4 0
3 years ago
An Electrician charges $30 for a service call plus $75 per hour of service. If he charged 210 how many hours did he work?
valkas [14]

Answer:

2.4 hours Electrician works.

Step-by-step explanation:

Let us assume that the number of hours  Electrician works be x.

As given

An Electrician charges $30 for a service call plus $75 per hour of service.

If Electrician  charged $210.

Than the equation becomes

30 + 75x = 210

75x = 210 - 30

75x = 180

x =\frac{180}{75}

x =2.4 hours

Therefore 2.4 hours Electrician works.



8 0
3 years ago
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