Answer:
They do
Step-by-step explanation:
Both have 4 90 degree (right) angles.
A triangle has 3 sides and 3 angles. The angles of a triangle always add up to 180 degrees.The “angle” of a circle is 360 degrees – all the way around.
Hope this helps (Sometimes i think circles don't have any angles at all)
Answer: -1.5
Step-by-step explanation:
When population standard deviation is known, then the formula to find the z-test statistic for population mean is given by :-
, where n= Sample size.
= Population mean
= Sample mean
= Population standard deviation.
As per given , we have 
(average infants contracted typhoid each month)
n= 4 (No. of months)
Then , the value of the appropriate test statistic will be :
Hence, the value of the test statistic = -1.5
Answer:
1.
2 is 65* 1 is 75
Step-by-step explanation:
Multiply each side of the equation by 4/3 .
