Answer:
x = 32
Step-by-step explanation:
(2x + 60) + (3x - 40) = 180 because they are supplementary angles
5x + 20 = 180
5x = 160
x = 32
Answer:
The value remain unchanged.
Step-by-step explanation:
By Z score, we mean:
Z = 
, if we substitute the given values of mean and standard deviation, we obtain the z score value. That is,
Z = 
= 85/12 = 7.083333.
NB: We assume that mean and standard deviation are in the same units.
Answer:
A/5
Step-by-step explanation:
There are 2 people after 5 in the the 4| part and 3 under 6 in the 5| part.
X + x + x + x - 20 is equivalent to 4x - 20 because you can add the like terms, or the x's.
Hello there (I can do this one, it's quick enough)
The correct answer is 24 inches
There are 8 short sides, so you would do 1.5 times 8, to get 12 inches
There are 4 long sides, so you would do 3 times 4, to get 12 inches
12 plus 12 = 24 inches
I hope this helped
