Question: What is the answer to 
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Answer: 
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Explanation: 
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[ Step One ] Cross Multiply
[ Step Two ] Solve
[ Step Three ] Simplify
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Answer:
190 + __ = 248
190 + 58 = 248
Step-by-step explanation:
Since 248 is 190 MORE THAN the speed you're trying to find, add 190 to the unknown speed (which comes out to 58) to equal 248.
Answer:
Test statistics
Step-by-step explanation:
A test statistic is calculated to compare with the critical value approach. The critical value is found by choosing any value of significance level ∝ = 0.05, 0.1 or 0.01 . Mostly 5% is preffered .
The the calculated value of the test statistic is compared with the chosen value rejection region that whether it falls in the critical region or not.
The test statistic is applied on the conditions given. For example comapring many results can be done by using chi square or comparing two means can be done by t test or testing the variation can be done by F - test.
In the given problem a z test would be used.
Answer:
8 5/7
Step-by-step explanation:
278/7 = 39 5/7
39 5/7 - 31 = 8 5/7
Answer:
radius = 65 cm
Step-by-step explanation:
(See image attached for better comprehension)
To find the value of the radius, we just need to draw a triangle, where one side is half of the chord (the distance from the chord to the center creates a point that divides the chord in two equal segments), other side is the distance from the chord to the center, and the hypotenusa will be the radius.
So, using Pythagoras' theorem, we have that:
r^2 = 56^2 + 33^2
r^2 = 4225
r = 65 cm
