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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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50 points!!!<br><br> Factor completely<br><br> 3n^4+21n^3+27n^2 <br><br> Please show work!!
Elden [556K]

Answer:

3n^2(n^2+7n+9)

Step-by-step explanation:

Find the common factor. In this case, it is 3n^2. Take out the common factor of the integers.

So, therefore it is

3n^2(n^2+7n+9)

5 0
3 years ago
Determine the volume and the total surface area of the square pyramid.if its perpendicular height is 12cm and square length is 5
Vika [28.1K]

Answer:

Volume = 100 cm³

​Surface area of the square pyramid = 145 cm²

Step-by-step explanation:

Given:

Perpendicular height = 12cm

Square length = 5cm

Find:

Volume

​Surface area of the square pyramid

Computation:

Area of base = side²

Area of base = 5²

Area of base = 25 cm²

Volume = (1/3)(A)(h)

Volume = (1/3)(25)(12)

Volume = 100 cm³

​Surface area of the square pyramid = A + 1/2(P)(h)

Perimeter square pyramid = 4(s)

Perimeter square pyramid = 4(5)

Perimeter square pyramid = 20 cm

​Surface area of the square pyramid = 25 + 1/2(20)(12)

​Surface area of the square pyramid = 145 cm²

3 0
2 years ago
Name a segment that is a diameter. How long is it
sattari [20]

Answer:

Cieee ketemu monyet kesesat

Step-by-step explanation:

Tolongin gw nyeth TvT

5 0
3 years ago
Mercury travels about 107,100 miles per hour as it resolves around the sun. How far does Mercury travel in 6 seconds?
Anni [7]

Answer:

12

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Write an expression the represents the statement "Add 9 and 3, then multiply by 6"
ELEN [110]

Answer:

6(9+3)

Explanation:

Add 9 and 3 which is 9 + 3

THEN multiply by 6 which is 6(9 + 3)

I put parentheses because it's sayings to add first and then multiply!

3 0
2 years ago
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