We know that all three angles in a triangle must add to 180 degrees so we can use this fact to find the measure of the missing angles.
180-57-101= 22 degrees
180-72-72=36 degrees
180-x-20=160-x degrees

7 0

3 years ago

A test is normally distributed with a mean of 70 and a standard deviation of 10. Todd

Damm [24]

Answer:

negative

Step-by-step explanation:

calculating the z score by subtracting the mean and dividing by the standard deviation

(55-70)/10= -1.5

It's negative

5 0

3 years ago

A pair of dice is rolled. List the elements of sample space S. Let A denote the event “the sum is less than 5” and B the event “

Marina86 [1]

I don't know that answer

5 0

3 years ago