Answer:
x=70
Step-by-step explanation:
A triangle is 180 degrees, so take that 180-40 and you get 140. Divide that 140 by 2 and the bottom two angle are 70.
Answer:
Step-by-step explanation:
Mean = (87 + 105 + 130 + 160 + 180 + 195 + 135 + 145 + 213 + 105 + 145 + 151 152 + 136 + 87 + 99 + 92 + 119 + 129)/19 = 129
Variance = (summation(x - mean)²/n
Standard deviation = √(summation(x - mean)²/n
n = 19
Variance = [(87 - 129)^2 + (105 - 129)^2 + (130 - 129)^2+ (160 - 129)^2 + (180 - 129)^2 + (195 - 129)^2 + (135 - 129)^2 + (145 - 129)^2 + (213 - 129)^2 + (105 - 129)^2 + (145 - 129)^2 + (151 - 129)^2 + (152 - 129)^2 + (136 - 129)^2 + (87 - 129)^2 + (99 - 129)^2 + (92 - 129)^2 + (119 - 129)^2 + (129 - 129)^2]/19 = 23634/19 1243.895 min
Standard deviation = √1243.895 = 35.269 min
60 minutes = 1 hour
Converting the variance to hours,
Each division would have been divided by 60². 60² can be factorized out
Variance = 23634/60² = 6.565 hours
Converting the standard deviation to hours, it becomes
√6.565 = 2.562 hours
Answer:
311.2
Step-by-step explanation:
for these kind of problems its best to put it in a calculator to get a quick and accurate answer
Answer:
7 divided by 18 is
0.388888888888888
The 8 repeats forever.
If you want to round this to the hundredths place,
it will be
0.39
Step-by-step explanation:
Heyo! ;D
So, I think I may of heard about this topic in the past...are you working with degrees of circles? Plane angles? If so, you can use this formula to find your answer:
12° × 
÷ 180 = <u>0.2094(rad)</u>
I'm not entirely sure, however I hope this somewhat helped! If so, please lmk! Tysm and good luck!
