What is the square root of 9

2 answers:

8 0

It is 3. Because a square root is anything times itself to make an answer. For example:
$3 \times 3 = 9 \\ so \\ \sqrt{9 } = 3$

cupoosta [38]3 years ago

3 0

The answer is 3 because to find the square root you must find a number that you can multiply by itself to get that number so 3 x 3 = 9 and $3^{2}$ = 9

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zvonat [6]

Answer: D. 2.8

Explanation:

7.7 + d = 10.5

Plug 2.8 as d in the equation

7.7 + 2.8 = 10.5

This is a true statement so D is the correct answer!

3 0

3 years ago

You are given a rectangular sheet of cardboard that measures 11 in. by 8.5 in. (see the diagram below). A small square of the sa

GaryK [48]

Answer:

Terrence's

Step-by-step explanation:

The length of the square that will be cut out is the height of the box.

1. a

Anya's method: 8.5 -1.5 =7, 11- 1.5 =9.5, the height is 1.5, so the volume is height x length x width which is 1.5 x 9.5 x 7 =99.75 squared inches.

Terrence's method: 8.5-3 = 5.5, 11-3 = 8. Vol= 5.5 x 8 x 3 =132 squared inches. 99.75 < 132 squared inches, Terrence's idea would create larger volume.

1. b

The box's size depends on the length/width/height of the cardboard being cut, which is why different measurements / cutting methods for the same size cardboard can result in different box sizes.

2. The square would be cut from all four corners, therefore the sum of the 2 squares on the cardboard cannot exceed the short side of the cardboard. The shorter side of the cardboard is 8.5 inches, divided by 2 = 4.25 inches, hence the squares cannot be larger than 4.25 inches. Keep in mind that if you cut exactly 4.25 inches you will have a strip of 2.5 inches width that cannot be turned into a box.

If you want to cut 5 inches squares out, depending on how you draw it, it would either overlap or go outside of the paper because 5+5 is ten, surely on the 11 inches side that would still be perfectly fine but for the 8.5 inches side, there isn't any room for the 10 inches.

7 0

3 years ago

The diagram shows a rectangle 15cm long and 13cm wide.It has been split into four smaller rectangles. write the area of each sma

shusha [124]

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7 0

3 years ago

One solution to the problem below is 6.<br> What is the other solution?<br> m²-36=0

saveliy_v [14]

Answer:

-6

Step-by-step explanation:

$m^2-36=0$