Answer:
a = 2
Step-by-step explanation:
14a - 21 - 5a = -3
9a - 21 = -3
9a = -3 + 21
9a = 18
a = 2
Answer:
Its 8
Step-by-step explanation:
3x+10+2x=50
3x+2x=5x
5x+10=50
5x+10-10=50-10
5x=40
x=8
5x8=40
Answer:
Step-by-step explanation:
The Pythagorean theorem tells us that , where a and b are the legs of a right triangle. If the length of each leg is x, we know by applying the theorem that , so . Applying the square root on both sides we get
Answer:
28
Step-by-step explanation:
Degrees of freedom is defined as the number of independent values or quantities which can be assigned to a statistical distribution.
#In a two sample study, the t-statistic degrees of freedom is calculated as
#Where denotes the sample size of the sample.
The t-statistic degrees of freedom is thus 28