Answer:
Step-by-step explanation:
The reason the percents are not the same is probably because you are finding percentage diffrences from diffrent numbers.
Answer:
<h2>C.</h2>
Step-by-step explanation:
ABC is congruent to GEF. The transformation made was reflecting over the origin.
<h2>I'm always happy to help :)</h2>
Answer:
0.02275
Step-by-step explanation:
We use this z score formula to solve for this question
z-score is is z = (x-μ)/σ/√n
where x is the raw score
μ is the population mean
σ is the population standard deviation
From the above question,
x = 77
μ = 75
σ = 7
number of samples = 49
Hence, the z score = 77 - 75/ (7/√49)
= 2/(7/7)
= 2/1
= 2
Hence, the z score = 2
Using the z table to find probability
P(x<77) = 0.97725
P(x>77) = 1 - P(x<77)
= 1 - 0.97725
= 0.02275
Therefore, the probability that the same mean will be larger than 77 years
is 0.02275
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The answer is 6x+7x there is no answer without the value of c
