Answer:
First Picture: 284 square inches
Step-by-step explanation:
- We need to solve surface area, and we can do this by adding all the area.
- (See the image attached) Split up the shape and calculate the area of each.
- Then, add the numbers- it should be 284 square inches.
Answer:
length = 20 cm
width = 9 cm
Step-by-step explanation:
perimeter = 58 cm
58cm = 2*L+2*w equation 1
L = 3w -7 equation 2
where:
L= length
w=width
so we have:
58 = 2(3w -7) +2w
58 = 6w -14 +2w
58 +14 = 8w
72 = 8w
w = 72/8
w = 9 cm = width
we have:
L = 3(9) -7 = 20 cm = length
Given:
5 students are able to share 20 crayons.
For 30 students,
Answer: There are 120 crayons are needed for 30 students.
Answer:
92 km/h
Step-by-step explanation:
Answer:
54 units squared
Step-by-step explanation:
hope this helped!
