Answer:
<h2>6 units^2</h2>solution,
Area of trapezoid:
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Answer:
we reject H₀
Step-by-step explanation: Se annex
The test is one tail-test (greater than)
Using α = 0,05 (critical value ) from z- table we get
z(c) = 1,64
And Test hypothesis is:
H₀ Null hypothesis μ = μ₀
Hₐ Alternate hypothesis μ > μ₀
Which we need to compare with z(s) = 2,19 (from problem statement)
The annex shows z(c), z(s), rejection and acceptance regions, and as we can see z(s) > z(c) and it is in the rejection region
So base on our drawing we will reject H₀
Answer:
7
Step-by-step explanation:
Using the exact values for
cos45° = and tan60° =
, then
2(cos²45° + tan²60°)
= 2( ( )² + (
)² )
= 2( + 3 ) ← distribute
= 1 + 6
= 7
Answer:
Step-by-step explanation:
The lateral surface area of a cone is given by , where
is the radius of the base of the cone and
is the cone's slant height.
Solving for :
*Note: It is implied that the surface area of 200 pi square inches is lateral surface area and not total surface area, because it is impossible to obtain a total surface area of 200 pi with a radius of 10 inches.