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maxonik [38]
3 years ago
6

Can someone help me understand squares,cubes,and roots with example problems please

Mathematics
1 answer:
erastova [34]3 years ago
4 0

when someone says a number squared or cubed, or to the certain power, it means how many times you multiply the base number by itself that many times, for example

2²= 2 * 2

or 9³ = 9 x 9 x 9

a square root or cube root, is a harder to understand, but still somewhat simple, it basically means how many what number squared or cubed equals this number.

so for example the square root of 9 = 3 because 3 x 3=9

or cube roots for example ∛125= 5 because 5 x 5 x 5

So here is an example one for you. √81.

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The average monthly mortgage payment including principal and interest is $982 in the united states. if the standard deviation is
Aleonysh [2.5K]
The probability that the monthly payment is more than $1000 will be found as follows;
The payment is normally distributed, thus the z-score will be given by:
Z-score=(x-Mean)/(SD)
Mean=$982
SD=$180
Thus;
Z-score=(1000-982)/180=0.1
The probability associated with a z-score of 0.1 is 0.5398
Thus the probability that the monthly payment is more than $1000 will be:
P(x<1000)=1-0.5398=0.4602=46.02%
 
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3 years ago
Simplify *show work!!* <br> (X^6)^1/2
Elza [17]

Answer:

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Step-by-step explanation:

in powers:

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so in this one try to do it like the one up there

6*\frac{1}{2}=3 so it is x^{3}

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2 years ago
Solve the system of equations by adding. Check your answer.
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tangare [24]

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Step-by-step explanation:

YW put me as best brainliest how ever you spell it.

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