3 years ago

Simplify the expression |-19|

Mathematics

1 answer:

weqwewe [10]3 years ago

5 0

19 because that's the absolute value of -19

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A scale drawing of a school bus has a scale of 1/2 inch to 5feet. If the length of the school bus is 4 1/2 inches on the scale d

Sedaia [141]

Answer: actual length = 45 ft

Explanation:

Scale drawn:

1/2 inch = 5ft

Meaning that if the drawing scale is 0.5 inch then the actual bus would be 5ft.

If the length of the drawn school bus is 4 1/2 inches. We can write:

1/2 = 5
4 1/2 = x

=> x = (5 x 4 1/2)/1/2
Or x = (5 x 4.5)/0.5
x = 22.5/0.5
x = 45

Therefore the actual length of the bus is 45 ft

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3 years ago

What is the value of 3ab + 5b - 6 when a = -1 and b = 3? 0 6 18 24

Andru [333]

Answer:

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all work is shown