Answer:
∠ KLM = 27°
Step-by-step explanation:
∠ KLM + ∠ NLM = 90 , that is
3x + 7x = 90
10x = 90 ( divide both sides by 10 )
x = 9
Thus
∠ KLM = 3x = 3 × 9 = 27°
Answer: C . and
Step-by-step explanation:
Definition:
Null hypothesis is a statement about the population parameter according to the objective raised by the researcher . It contains '=' , '≤' and '≥' signs.
Alternative hypothesis is also a statement about the population parameter but against null hypothesis . It contains '≠' , '<' and '>' signs.
Let be the average customer waiting time for the population.
Given : The average customer waiting time at a fast food restaurant has been 7.5 minutes.
Objective of test : After using new system , the average customer waiting time is at least 7.5 or less than 7.5.
Then, the null and alternative hypothesis for this scenario will be :
Answer:
the area of the given figure is 79 sq.yd
Step-by-step explanation:
total area =
area of square + area of rectangle
=》(8×8) + (3×5)
=》64 + 15
=》79 yd^2 or 79 sq.yd
Answer:
7/12
Step-by-step explanation:
1/2 + 1/12?
To add fractions, find the LCD and then combine.
Exact Form:
7
/12
Decimal Form:
0.583
Answer:
t=2.539902
Step-by-step explanation:
(1.04254)(t)=3
Step 1: Simplify both sides of the equation.
1.181148t=3
Step 2: Divide both sides by 1.181148.