Answer:
B
Step-by-step explanation:
Using the cosine ratio in the right triangle and the exact value
cos45° = 
, then
cos45° = 
= 
= ( cross- multiply )
c = 3
Answer:
Take 4.25 x 8.6= 36.55 feet^2
Step-by-step explanation:
Answer:
22% reduction
Step-by-step explanation:
Find the percent decrease by dividing the difference in amounts by the original amount.
Find the difference:
115 - 90 = 25
Divide this by the original amount:
25/115
= 0.217
So, the percent decrease is 21.7%. Round this to the nearest whole percentage:
= 22
The percent reduction in fuel used was approx. 22%
Answer:
D.) 1 3/5
Step-by-step explanation:
You need 1/5 cups of flour 8 times so you need to multiply 1/5 by 8.
1/5 × 8 = 8/5
Then simplify.
8/5 = 5/5 + 3/5 = 1 3/5
Answer:
the correct solution has been explained
Step-by-step explanation:
Jackson,s reasoning is incorrect because it should be 8 ones and not 8 tens that would give 64
Moreover, 
as 
whereas 
= 8
clearly, both quantities are different
