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Over [174]
3 years ago
11

What is square roots

Mathematics
2 answers:
Alisiya [41]3 years ago
6 0
Square root is a number that produces a specified quantity when multiplied by itself
Akimi4 [234]3 years ago
4 0
Siri-a square root of a number a is a number y such that y2=a
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Pete’s Electric charges $75 plus $30 per hour of work while Greg’s Electric charges $45 plus $45 per hour. How many hours must e
viktelen [127]
H: hours
45h + 45 = 30h + 75
15h + 45 = 75
15h = 30
h = 2 hours

45 ( 2 ) + 45 = 30 ( 2 ) + 75
90 + 45 = 60 + 75
135 = 135

Therefore the awnser is 2 hours.

8 0
3 years ago
a rectangular doorway has a temporary support beam across its diagonal. the height of the doorway is 2 times its width. if the b
mario62 [17]

Answer:

The door has a width of 6.26 feet, with a height of 12.52 feet.

Step-by-step explanation:

You can solve this by taking two pieces of information we're given:

1) the diagonal size of the doorway is 14 feet

2) the height of the doorway twice its width

First lets describe the width and height using the diagonal length.  We can do that with the Pythagorean theorem:

w² + h² = 14²

Now we can use the relationship between the width and height to eliminate one variable:

w² + (2w)² = 14²

w² + 4w² = 14²

5w² = 196

w² = 39.2

w ≈ 6.26

So the door has a width of 6.26 feet, with a height of double that, 12.52 feet.

4 0
3 years ago
What is the difference between solving an equation and an inequality?
statuscvo [17]
When you solve an equation, it has an equal sign (=) and inequalities do not. When you solve an inequality the answer isn't exact (depending on the sign ie: <, >, etc...) equations usually are exact answers. other than that, I don't think there is a big difference in solving them.
5 0
3 years ago
Helppp plzzzzzzz?????
Viktor [21]
I believe the answer is C. 


3 0
4 years ago
Read 2 more answers
If the sin 30° is 1 over 2, then the cos ____° = _____.
kotykmax [81]

Step-by-step explanation:

The sine of an angle is the same as the cosine of its complement.

If sin 30° = ½, then cos 60° = ½.

6 0
3 years ago
Read 2 more answers
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