What are the square roots of 100? check all that apply.
a. 5
b. 10.5
c. -10
d. 10
e. -5
f. |10|

Option C,D,F- The square root of 100 is 10,-10,|10|.

Step-by-step explanation:

To find : What are the square roots of 100?

Solution :

Now, we take square of each option to find the square root of 100.

A. 5

Square of 5

No

B. 10.5

Square of 10.5

No

C. -10

Square of -10

Yes

D. 10

Square of 10

Yes

E. -5

Square of -5

No

F. |10|

Square of |10|

Yes

Therefore, The square root of 100 is 10,-10,|10|.

So, Option C,D,F are correct.

d. $180

step-by-step explanation:

if the dimensions of the room is 9ft by 12 ft, we have the area of the floor as,

so the area of the floor is 108 square feet, converting that into square yards we get,

the cost of carpet is $15 per square yard, therefore the cost of carpet for 12 square yards is,

hence, the cost of carpet is $180.

assuming the dimensions of the room be,

15 ft by 12 ft

so, the area of the floor of that room is,

we can convert 180 square feet into square yards, we know that,

1 sq ft = 0.111 sq yard

so, 180 square feet is,

so the area of floor is 20 square yards.

now, the cost of carpet is 15 dollars per square yard, therefore the cost of carpet for 20 square yards is,

so, it will cost $300.

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