A triangle has an area of 100 square feet and a height of 5 feet
2 answers:
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Answer:
y = 0.36
Step-by-step explanation:
Given y is inversely proportional to x² then the equation relating them is
y = ← k is the constant of variation
To find k use the condition y = 9 when x = 2 , then
9 = =
( multiply both sides by 4 )
36 = k
y = ← equation of variation
When x = 10 , then
y = =
= 0.36
1. The surface that will be exposed to the rain is the lateral surface of the cylinder and the hemisphere.
2. The lateral area of the cylinder is a rectangle with height equal to the height of the cylinder and width equal to the circumference of the base of the cylinder.
3. the circumference of the base = 2
r=2**5=10
so the lateral area = 10*h=10*40=400 (
)
4. The surface area of a sphere is
so the surface of the hemisphere =
()
5. Total area exposed = 450
2. The lateral area of the cylinder is a rectangle with height equal to the height of the cylinder and width equal to the circumference of the base of the cylinder.
3. the circumference of the base = 2
so the lateral area = 10
4. The surface area of a sphere is
so the surface of the hemisphere =
5. Total area exposed = 450
Answer:
a. Koby only
Step-by-step explanation:
KOBY
PAULO