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Answer:
x = 3
Step-by-step explanation:
These angles are vertical angles. Vertical angles equals to on another but on the opposite side. Since they equal to another you do:
(10x + 1) = (12x - 5)
Add 5 on both sides:
10x + 6 = 12x
Subtract 10x on both sides:
6 = 2x
Divide 2 on both sides:
3 = x
Answer:
50
Step-by-step explanation:
Let a = number of balls in bag A.
Let b = number of balls in bag B.
a = 1.2b
a - 5 = b + 5
1.2b - 5 = b + 5
0.2b = 10
b = 50
Answer: 50
Answer:
1/8 remained
Step-by-step explanation:
1/2 × 3/4 = 3/8
he ate 3/8 out of 4/8 so 1/8 remained
Answer:
C
Step-by-step explanation:
Null hypothesis: hypthesis to test that there is no significant difference between the specific characteristic of a population. Analysts look to reject a null hypothesis
A. the shipping company's average delivery time is different from 3 days. This is an example of alternative hypothesis. Null hypothesis is writtien as a claim
B. This again is an example of alternate hypthesis. The claim that mean is 0.03 is rejected with the results
C. This is a claim
D. This is rejection of a claim that mean is 1 pound
E. This is rejection of claim that average delivery time is 3 days.
