Answer:
180 squared ft
Step-by-step explanation
80% = 80/100 = 40/50 = 4/5
L = 15
W= 4/5 of 15 = 12
Area = LxW
Area = 15x12 = 180 squared ft
Answer:
8a^3 b^3
Step-by-step explanation:
Answer:
<em>m<B </em>= 63.4°
Step-by-step explanation:
tangent = opposite ÷ adjacent
tan B =
tan B = 2
B = tan⁻¹ (2)
B = 63.4°
Hope this helps.
Answer:
(b) H0: p = 0.5; Ha: p > 0.5
Step-by-step explanation:
p represents the population proportion.
A null hypothesis is a statement from the population parameter which is either rejected or accepted (fail to reject) upon testing. It is expressed using the equality sign.
An alternate hypothesis is also a statement from the population parameter which negates the null hypothesis and is accepted if the null hypothesis is rejected. It is expressed using any of the inequality signs.