Answer: a rectangles area is length x width. You need to find the numbers that represent the length and the width and multiply them
Step-by-step explanation:
Reflecting over the y-axis
The cost of wallpaper used to cover all sides of the storage box is given by $3 per square foot
<h3>Cost of wallpaper per square foot</h3>
- length = 9 ft
- Width = 8 ft
- Height = 5 ft
Surface area of a box = 2(lh + wh + lw)
= 2(9×5 + 8×5 + 9×8)
= 2(45 + 40 + 72)
= 2(157)
= 314 square foot
- Total cost of wallpaper = $942
Cost of wallpaper per square foot = $942 ÷ 314 square foot
= $3 per square foot
Learn more about surface area:
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Answer:
Step-by-step explanation:
Step one:
for James
the initial mile covered= 6miles
the planned number of miles per day= 3miles
let the number of days be x
and the total distance in miles be y
the total distance for the x days day will be
y=6+3x------------1
step two:
for Aaron
the planned number of miles per day= 4miles
let the number of days be x
and the total distance in miles be y
the total distance for the x days day will be
y=4x------------2
The system of equations is
y=6+3x--2
y=4x----2
Step three:
for the number of days that Aaron needs to run to meet up with James, we need to equate the two equations to find x which is the solution
6+3x=4x
6=4x-3x
x=6days
This means that Aaron will have to run at 4mile per day consistently for 6 days to meet up with James
Answer:
9 I THINK
Step-by-step explanation:
77 minus 14 equals 63 and 63 divided by 7 equals 9
