Answer:
h = 7 1/2
Step-by-step explanation:
2/5 h = 3
Multiply each side by 5/2 to isolate h
5/2 * 2/5 h = 5/2 *3
h = 15/2
h = 7 1/2
The answer is D. He has to buy less than or equal to 4 masks
Answer:
49.12 ft^2
Step-by-step explanation:
The triangle:
Area = 1/2 * base * height
= 1/2 * 6 * 8
= 24
The semicircle:
Area = 1/2 * 3.14 * 4^2
= 25 .12
Total area = 24 + 25.12
= 49.12 fT^2
Answer:
8y + 7x-7x=x-7x
8y=-6x
So am not sure but hope I helped maybe u can get a solution or way to answer the question