Answer:
-4
Step-by-step explanation:
You are trying to find which t value gives you the answer of 13. Set the equation equal to 13 and solve for t.
-2t + 5 = 13
-2t + 5 - 5 = 13 - 5
-2t = 8
-2t/-2 = 8/-2
t = -4
Answer: 0.9192433
Step-by-step explanation:
Given : A nationwide study of American homeowners revealed that 65% have one or more lawn mowers.
i.e. Population proportion :
A lawn equipment manufacturer, located in Omaha, feels the estimate is too low for households in Omaha.
Then, his hypothesis will be :-
Since, the alternative hypothesis is left tailed , so the test is a left-tailed test.
Sample size : n= 497
The sample proportion of people ad one or more lawn mowers=
Test statistic for proportion :-
i.e.
Now, by using the standard normal table for z , we have
P-value (left tailed) =
Answer: 1. Mary Ann has saved $2 more than Carlos
Step-by-step explanation:
He has $26 after 3 hours
she has...
y=6(3)+10
y=18+10
y=28
so
28-26=2
To find the value of the expression, plug in 7 for x and 3 for y.
You have 3(7) - 2(3)
Simplify to 21 - 6
Your final answer is 15.
Answer:
39
Step-by-step explanation:
a circle is sum up to 180 degrees
180- 39- 102= 39