Answer:
Area of the photograph is 
Step-by-step explanation:
The piece of cardboard is a square with side length as x.
The border that surrounds the photo is 3 inches on each side. So the length of the photograph is reduced by 3 inches for 2 times.
Hence, the length of photograph is =
The border also surrounds the photo is 4 inches on both the top and the bottom. So the width of the photograph is reduced by 4 inches for 2 times.
Hence, the width of photograph is =
The area of the photograph will be,
Answer: 2 Fahrenheit per hour
Step-by-step explanation:
From the question, we are given the information that the outside temperature decreases by 7 fahrenheit in 3 1/2 hours.
The temperature change as a unit rate will then be calculated as:
= 7 ÷ 3 1/2
= 7 ÷ 7/2
= 7 × 2/7
= 2 Fahrenheit per hour
It Decrease at 2 Fahrenheit per hour
Answer:
?
Step-by-step explanation:
If you divide 572 by 2 you get 286...
Answer:
C
Step-by-step explanation:
when putting a power to another power, then these two powers are multiplied.
so, -9 × (-x/9) = (-9 × -x) / 9 = 9x/9 = x
so, this reduces to the original
and therefore C is the right answer.
The first one is greater i think
