Answer:4,900
Step-by-step explanation:
Answer:
Area of a circle = 3.14 X radius X radius
= 3.14 X 4.5 X 4.5 = 63.585 m2
Hope this helps....
Step-by-step explanation:
First, outside, inside last
so your answer is
7n²-3n-35n+15
Simplified = 7n² - 38n + 15
Answer = 7n² - 38n + 15
hope this helps
<h2>
Answer:</h2>
The time it will take Kelsey to paint the entire room is:
<h2>
Step-by-step explanation:</h2>
It is given that:
Kelsey painted one fourth of her bedroom in three seventh of an hour.
This means that:
1/4 of bedroom takes 3/7 of an hour
This means that the whole of the bedroom will take 4 times the time it took to cover 1/4 th of bedroom.
i.e. it will take:
Hence, the total time it will take to paint the whole room is:
twelve over seven hours
Answer:
-179, since it is negative then there are no real roots
Step-by-step explanation:
b²-4ac is the discriminant formula
9v² + v + 5 = 0 ∴ a = 9, b = 1, c = 5
1² - 4(9)(5) = -179