2 years ago

Help please I need an correct answer

1 answer:

5 0

Correct answer of what???

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qwelly [4]

the square of a negative number always be positive

eg: -2² = -2×-2 = (-×- = +) +4

the cube of a negative number always be positive

eg: -2³ = -2×-2×-2 = (-×-×- = +) -8

hope it helps...!!!

6 0

2 years ago

emmainna [20.7K]

Answer:

120 deg

Step-by-step explanation:

Draw a horizontal line that passes vertices of 2 angles 125 deg and 115 deg.

This line is perpendicular with 2 vectors.

Apply the property of vertical angles and the sum of 3 angles in a triangle.

x = 180 - (125 - 90) - (115 - 90) = 120 deg

5 0

2 years ago

myrzilka [38]

Answer:

volume before window is taken out = lwh

volume of window is w^3

total volume is..... as given in pic

this is right

...............

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2 years ago

xenn [34]

Another point on the line is (6,-1)

4 0

3 years ago

Mice21 [21]

He will earn $427.50 because $4.27 times 90 equals $427.50

8 0

2 years ago