Answer:
80 degrees
Step-by-step explanation:
Sum of the interior angles of a triangle = 180
a + 50 + 50 = 180
a = 80
The answer will be 24 23/100
Answer: she scored 4 points
Step-by-step explanation: 5% of 80=4
;-----------;
Answer with explanation:
Total number of Children = x Children
Total number of chocolates distributed = y Chocolates
If there are x children, then total number of chocolate got by children= 5 x Chocolate
Number of chocolate got by Adults= 20
Let total number of adults be z.
Expressing the statement in terms of Equation
y = 5 x + 20 z

⇒Number of Adults =z

Answer: 
Step-by-step explanation:
An null hypothesis (
) is a statement of equality which shows that there is no statistical difference between the groups being tested.
An alternative hypothesis (
) is a statement of inequality which shows that there is statistical difference between the groups being tested.
Let
be the population mean amount of garbage per bin .
Given : A sanitation supervisor is interested in testing to see if the mean amount of garbage per bin is different from 50.
i.e.
→ Alternative
Thus , the appropriate null and alternative hypotheses :
