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Vladimir79 [104]
3 years ago
9

Write 7^3 × √ 7 as a single power of 7​

Mathematics
1 answer:
olga_2 [115]3 years ago
8 0

Step-by-step explanation:

7^3 × 7^(1÷2)

= 7^(3+ 0.5)

=7^3.5 ans

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Members of the theater club sold tickets for the spring
Tpy6a [65]

so basically what i was thinking of was they sold them in the spring

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a pool is leaking water at a constant rate. The amount of water in the pool changes by -1 1/4 every hour. what is the total chan
malfutka [58]

The total change in the water in the pool after 2 1/2 hours given the rate of leakage is -3 1/8,

<h3>What are fractions?</h3>

A fraction is a non-integer. It is made up of numerators and denominators. A mixed fraction is made up of a whole number and a proper fraction. An example is 2 1/2.

<h3>What is the total change in the water?</h3>

The total change in the water = -1 1/4 x 2 1/2

= -5/4 x 5/2 = -25/8 = -3 1/8

To learn more about multiplication of fractions, please check: brainly.com/question/1114498

6 0
2 years ago
4 x 12 = 6 x n.<br><br> 4<br> 6<br> 8<br> 12
Natali5045456 [20]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
Please help me I don’t know how to solve it and will mark brainiliest
Sindrei [870]

Answer: One plain roll is 4 dollars and one shiny roll is 6 dollars.

Step-by-step explanation:

lets start by saying

rolls of plain wrapping paper = x

rolls of shiny wrapping paper = y

Kathryn sold 4 plain rolls and 3 shiny rolls for 34 dollars.

4x+3y=34

Eugene sold 4 plain rolls and 2 shiny rolls for 28 dollars

4x+2y=28

Both equations will look like this.

4x+3y=34

-1(4x+2y)=(28)-1

we can multiply the second equation by -1 to get y alone. (doesn't matter which equation). Once you do that, the positive 4x and the negative 4x cancel out, 3y-2y=1y and 34-28=6. you are left with

1y=6 so one shiny roll is 6 dollars.

now use that price to find the cost of the plain roll.

lets use Kathryn's equation

4x + 3(6)=34

4x + 18= 34

      -18  -18

4x=16. Divide by 4 to find cost of one plain roll.

16÷4=4. One plain roll costs 4 dollars.

Lets check. Using Kathryn's equation,

4(4) + 3(6)=34

16+18=34

34=34. We are right.

3 0
3 years ago
A student had 500 milliliters of water in a water bottle. She drank 25% of the water before soccer practice. After practice, she
Fittoniya [83]

Answer:

250mL

Step-by-step explanation:

500 * 0.75 = 375

375 * 2/3 = 250

5 0
3 years ago
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