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Rainbow [258]
2 years ago
10

Squares square roots, perfect square

Mathematics
1 answer:
melamori03 [73]2 years ago
7 0
The perfect squares are 25, 36, 49, 64, 81, 100, 121, 144, 169. You know a number is a perfect square when there is a whole number that can be multiplied by itself to get the number. Example: 25= 5x5
Hope that helps if you need a better explanation let me know.
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What is the greatest common factor of 28, 48, and 64?
Goryan [66]
First, prime factor all of the numbers. Then, collect the factors which appear in all three lists:

28 = 2 x 2 x 7
48 = 2 x 2 x 2 x 2 x 3
64 = 2 x 2 x 2 x 2 x 2 x 2

The only factor which appears in all lists is 2. It appears twice in the first number, so the greatest common factor in the group is 2 x 2  = 4
Please click 'thanks' for the answer :-)

4 0
3 years ago
Read 2 more answers
Need help, show work on a piece of paper<br>on problem 8
docker41 [41]
<h3>Given</h3>
  • ∠AOB = ∠COD = x² -2
  • ∠BOC = 2x -10
  • ∠AOD = ∠AOB + ∠BOC + ∠COD = 16x +2
<h3>Find</h3>
  • x
  • the measures of the angles
<h3>Solution</h3>

Substituting the given values of the angles into the given relaion, we get ...

... (x² -2) + (2x -10) + (x² -2) = 16x +2

... 2x^2 -14x -16 = 0 . . . . . subtract the right side (16x+2)

... 2(x +1)(x -8) = 0 . . . . . . .factor

Values of x that satisfy this equation are ...

... x = -1, x = 8

The value x = -1 does not give rise to positive angle values.

For x = 8, the angles are ...

... ∠AOB = ∠COD = 8²-2 = 62

... ∠BOC = 2·8 -10 = 6

... ∠AOD = 16·8 +2 = 130 . . . . = 62 +6 +62

The answer to the question not asked is ...

... x = 8; ∠AOB = ∠COD = 62; ∠BOC = 6; ∠AOD = 130

6 0
3 years ago
Please please help me please
vodomira [7]

Answer: 8) 42°, 65°, 115°     9) 1.5, 2

Step-by-step explanation:

8) Right off the bat I know that the measure adjacent to 157° is

   23°. With both numbers inside the triangle combined, we get

   65° meaning the last number is 115 because that'll add up to 180°

9) Considering the smaller triangle has half the length of the bigger triangle

   The length of the rest are half the size too.

    EF = 1.5

    DF = 2

5 0
2 years ago
Select all the expressions that could be used to find the area of a running track
kaheart [24]

Answer: B,D,E

Step-by-step explanation:

Everyone that is multiplying 1243 by 8

7 0
2 years ago
What do you have to do to the diameter to get the radius formula?
vagabundo [1.1K]
If you have the diameter and you want to find the radius, just remember that the diameter is <u>half</u> of a circle (circumference) and the radius is a <u>quarter</u> of a circle, and it can also be found by dividing the diameter by 2, because the radius is half of a diameter.

<em>I hope this clears your confusion!</em>
6 0
3 years ago
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