Answer:
0.80
Step-by-step explanation:
The z-score is found from the formula ...
Z = (X -μ)/σ
Z = (77 -73)/5 = 4/5 = 0.80
Jennifer's Z-score was 0.80.
Answer:
Step-by-step explanation:
length = 25 in
Perimeter = 86 in
2*(length + width) = 86
2*(25 + N) = 86
Divide both sides by 2
25 + N = 86/2
25 + N = 43
Subtract 25 from both sides
25 + N - 25 = 43 - 25
N = 18
Answer:
x=4.2. If you divide 12.6 by 3, you get 4.2
Answer:
The probability of a card being neither a jack nor a diamond is conventionally written as 9/13.
Step-by-step explanation:
Answer:
A, C, D, E
Step-by-step explanation:
You want to identify the expressions that have a value of 0 among these:
- 0/(-4)
- 6/0
- -11 + 11
- 0 · (-7)
- -8 - (-8)
<h3>Zero product rule</h3>
A product is zero if and only if one of the factors is zero. That is the case for the expressions ...
<h3>Additive inverse</h3>
The sum of a number and its additive inverse is zero. Another way to say this is that the difference between a number and itself is zero. That is the case for the expressions ...