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borishaifa [10]
3 years ago
12

What is the best answer to solution of x^2 + 16 = 0?​

Mathematics
1 answer:
kolezko [41]3 years ago
5 0

Answer:

4. C. x = 4 or -4

Step-by-step explanation:

since both terms are perfect squares, factor using the difference of squares formula, a² - b² = ( a + b )  ( \alpha - b ) where

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-3/5(-5/9)
pochemuha

Answer:

1/3 is your answer.

Step-by-step explanation:

What you do is you have to make the denominator the same.

-27/45(-25/45)

1/3 is your answer.

4 0
3 years ago
2. Find the missing angle x.<br> 155°<br> 60°<br> X
Kryger [21]

Answer:

exterior angle property use ...

the exterior angle of an angle is equal to sum of rest 2 interior angles in a triangle

155 = 60 + x

x = 155 - 60 = 95

8 0
3 years ago
An article which cost money 150 was sold at a loss of 5%.what was the selling price?
Hunter-Best [27]

Answer:

142.5

Step-by-step explanation:

150/x=100/95

95*150/100=

142.5

3 0
3 years ago
Solve by solution x+4y=4 and 2x-3y=8
Dennis_Churaev [7]
I hope this helps you

3 0
3 years ago
the perimeter of a square is 20 ft if you increase the length of the square by 2 feet and decrease the width by 1ft what is the
IrinaVladis [17]

Answer:

28 ft squared

Step-by-step explanation:

The 4 sides of a square are equal in length, so if the perimeter is 20ft that means each side would have to be 5ft, (20/4 = 5). If you increase the length by 2ft, one of the sides would now become 7ft (5+2 = 7). If you decrease the length of the other side by 1ft, the length would now be 4ft (5-1=4). Now to find the area, all you have to do is length * width. So you would do 7ft*4ft which is 28ft squared.

4 0
3 years ago
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