Hi there!
We can use the following equation:
z = amount of standard deviations away a value is from the mean (z-score)
σ = standard deviation
x = value
μ = mean
Plug in the knowns for both and rearrange to solve for the mean:
Other given:
Set both equal to each other and solve:
Answer:34
Step-by-step explanation:
12+5=17.
17 times 2 equals 34
Do the opposite of what it asked. Work backward time get answer
Answer: 27.47
(sin(70) * 10) / sin(20)) = 27.47
don't know much, but try that
Answer: 3
Step-by-step explanation: 2+2-1=3