Answer for teardrop shape:
64.27
Step-by-Step Explanation:
I used the area calculators on Goggle
Answer for square:
5.7
Explanation:
The shape is a square, so all the sides are equal
5.7 + 6.8 = 12.5
x = 5.7
Answer for trapezoid:
76.95
Explanation:
Again, Goggle
The answer is either x = -1 or x = 4.
Solution :
To claim to be tested is whether "the mean salary is higher than 48,734".
i.e. μ > 48,734
Therefore the null and the alternative hypothesis are

and 
Here, n = 50

s = 3600
We take , α = 0.05
The test statistics t is given by


t = 2.15
Now the ">" sign in the
sign indicates that the right tailed test
Now degree of freedom, df = n - 1
= 50 - 1
= 49
Therefore, the p value = 0.02
The observed p value is less than α = 0.05, therefore we reject
. Hence the mean salary that the accounting graduates are offered from the university is more than the average salary of 48,734 dollar.
When multiplying two numbers, a person can mentally add one of those numbers the other number amount of times.