3 years ago

Help! What is the length of a rectangle with width 10 in and area 45 in square

1 answer:

3 0

Answer : 4.5

Step by step: Area of a rectangle is length times width so 10xl= 45. Then divide 45 by 10 to get the length

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A weather forecast predicts that the temperature in antarctica will decrease 8 degrees fahrenheit each hour for the next 6 hours

Bogdan [553]

Given:
m = -8 degrees/hour, the rate of change of temperature

Let x = hours
Let y = temperature, °F
Then y = -8x + b
where b = constant

When x = 0, then y = b.
Therefore b = initial temperature

If the temperature drops by at least 36 °F in the next x hours, then
b - y(6) ≥ 36
b - (-8x + b) ≥ 36
8x ≥ 36
x ≥ 4.5 hours

Answer: At least 4.5 hours

8 0

4 years ago

Which equation represents the line that passes through the points (6,-3)and(-4,-9)

galina1969 [7]

Obtaining thevslope you get 6/5. so
9=-24/5 +n
=
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4 years ago

Given g(x) = x2-8x-20, which statement is true?

sveticcg [70]

Answer:C

Step-by-step explanation: