Answer:
She exercises for 4.5 hours during these 6 days.
Step-by-step explanation:
In this question:
Each day, she exercises 3/4 of an hour a day.
In 6 days, she will have exercised for:
She exercises for 4.5 hours during these 6 days.
Answer:
(a-b-c)(a-b+c)
Step-by-step explanation:
a^2-2ab+b^2-c^2
(a-b)^2-c^2
(a-b-c)(a-b+c)
Answer:
Ratio is 2:1
Step-by-step explanation:
The bigger triangle is ×2 bigger so ratios can be
2:1 , 4:2, 8:4 , 16:8 and so on
I am guessing your problem should read...
A) n = -5n + 90 (isolate the variables by adding 5n to each side)
+5n +5n
6n = 90 (since we don't want to know what 6n's are worth, divide by 6)
6n/6 = 90/6
n = 15
