Answer:
He missed 10 questions and got 30 right
Step-by-step explanation:
So we could do 0.75 times 40 and we would get 30
So he got 30 questions right which isn't too bad
Answer:
Step-by-step explanation:
- Domain=(-∞,∞){x/x∈R}
- Range= -49/4,∞){y/y≥ -49/4}
Answer:
True
Step-by-step explanation:
Two shapes are congruent if when turning, flipping or sliding one shape it can become another.
Answer:
X = 40
Step-by-step explanation:
Original mean (µ) = 37
Original standard deviation (σ) = 6
New mean (µ) = 50
New standard deviation (σ) = 10
The z-score of an individual who had a score of X=55 in the new distribution is given by:

A z-score of 0.5, in the original distribution yields a score, X, of:

This individual’s score in the original distribution is X = 40
Answer:
the answer should be A
Step-by-step explanation:
if its not sorry