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Virty [35]
3 years ago
7

If r is seven more than the square of l, then r =

Mathematics
1 answer:
xenn [34]3 years ago
6 0
I think its r=I+7 because that would be the equation
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Angie mows lawns in her neighborhood to make money. She charges $25 per lawn and buys a new mower for $200. If x is the number o
natali 33 [55]

Answer: Angie's profit equation is 25x−200=p

Step-by-step explanation:

Let x represent the number of lawns that Angie mows in her neighborhood.

Let p represent the profit made by mowing x lawns.

Profit = Revenue - cost

She charges $25 per lawn. This means that the amount charged for x lawns = 25×x = 25x

So her revenue is 25x

She buys a new mower for $200. Thus, the cost is $200. Therefore, Angie's profit,p is expressed as

p = 25x - 200

7 0
3 years ago
What are the common factors of 15,45 and 90
AnnZ [28]
Answer= 1,3,5,15

which are in essence all on the factors of 15
4 0
3 years ago
Read 2 more answers
Find a such that the solution of y'' + y' − 2y = 0, y(0) = a, y' (0) = 1 tends to zero as t → +∞.
Kay [80]

Answer:

Step-by-step explanation:

y'' + y' − 2y = 0, y(0) = a, y' (0) = 1

Auxialary equation is

m^2+m-2=0\\m=-2,1

General solution is

y=Ae^{-2x} +Be^x

y(0) = A+B =a

y'(0) = -2Ae^{2x} +Be^x = -2A+B = 1

Eliminate B to get

3A =a-1

We know that y tends to 0 when x tends to infinity for any finite A

i.e. a should be a finite real number.

8 0
3 years ago
Imagine a 8x8 chessboard, with king beginning from top left by how many routes can he reach bottom right
inna [77]
At least 8 routes, at most 63 routes
7 0
3 years ago
Pi = 3.14
mr Goodwill [35]
Area of circle= 3.14r^2
r= 4
A= 50.27
8 0
3 years ago
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