Answer:
x - 6
Step-by-step explanation:
(4x2 + x - 5) - (5x2 - 1)
According to the order of operations, parenthesis come first so we will solve what is in the parenthesis first.
Then we do the multiplication because it comes before addition and subtraction.
4x2 = 8
Now we have 8 + x - 5
Combine like terms and 8-5=3 so we have 3 + x
Now for the second one.
5x2=10
10-1=9
Subtracting this from the first expression we have:
3+x-9 =
x - 6
Total number of squares = 60 + 80 + 110 + 115 + 95 + 40 = 500
1000/500 = 2 so each little square represents 2 people
60 x 2 as there’s 60 squares from 6-10 so answer is 120
Answer:
-7
Step-by-step explanation:
Answer with Step-by-step explanation:
We are given that
a.Radius =25 m
We have to find rate of change of radius.
We know that
Area of circle,
Differentiate w.r.t time
Substitute the values then we get
b.A=
Substitute the values then we get
Substitute the values then we get
m/s
m/s
when you dive the fractions
2/3 = 0.666666
6/10=0.6000
4/5 = 0.80
6/5 = 1.2
so the answer would be 2/3