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Marysya12 [62]
3 years ago
10

Use the product property of exponents to justify that (9^1/2)^2=9

Mathematics
1 answer:
WARRIOR [948]3 years ago
6 0

The rule states that

(a^b)^c = a^{bc}

So, in your case, you have

(9^{\frac{1}{2}})^2=9^{\frac{1}{2}\cdot 2}=9^1=9

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Which would the phrase "two times the quotient of a number and 3" look like as a variable expression?
Naya [18.7K]
2 n/3 would be the closest answer although it looks as if the 2 is supposed to be multiplied by n/3 which would lead me to write it as 2(n/3)

6 0
3 years ago
What is the cube root of 27?<br><br> A.3<br> B.4<br> C.5<br> D.6
frosja888 [35]
It will be 3 cause 3 cubed is 27
4 0
3 years ago
Read 2 more answers
Keisha the trainer has two solo workout plans that she offers her clients: Plan A and Plan B. Each client does either one or the
gregori [183]

Answer:

Plan A last 0.75 hours or 45 minutes.

Plan B last 1.5 hours or 90 minutes.

Step-by-step explanation:

Let a be the number of hours that the plan A last, an b the number of hours of plan B. Then for the Wednesday you have:

2a+3b=6

And for the Thursday is:

6a+5b=12

Multiply the equation of Wednesday by -3:

-6a-9b=-18

Using the method of addition using this last equation and the equation of Thursday

-6a-9b=-18\\6a+5b=12\\--------\\-4b=-6\\b=\frac{-6}{-4}\\b=1.5 hours

Replacing the value of b in one of the equations

6a+5b=12\\6a+5(1.5)=12\\6a+7.5=12\\6a=12-7.5\\a=\frac{4.5}{6} \\a=0.75hours

6 0
3 years ago
Find the value of given expression<br><br>=》<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%5Csqrt%7B121%7D%20%7D%7B11%7D
koban [17]

Answer:

Answer is 1 I hope this help you

6 0
3 years ago
Rodrigo practiced playing the guitar for 15 1/3 hours over the past 3 weeks. He practiced for 6 1/4 hours during the first week
Yuri [45]
Add up the sum and divide.

Practice Chart
1st Week: 6.25 Hours
2nd Week: 4.66 Hours
3rd Week: 15.33 - (1st Week + 2nd Week) 

Solve:
6 1/4 + 4 2/3 = 10 8/12 or 10 2/3

15 1/3 - 10 2/3
14 4/3 - 10 2/3
4 2/3 hours practiced third week

Hope this helps!
3 0
3 years ago
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