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masha68 [24]
3 years ago
5

Use the graph to find the slope.

Mathematics
1 answer:
Sever21 [200]3 years ago
8 0
-1/2 (i need 20 letters so fkfjfjfkwodldlkenfnnndl)
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Tom has 120 meters of fencing. He will use it to form three sides of a rectangular garden. The fourth side will be along a house
mezya [45]

Answer:

a) Function A(x) =  (60*x - 1/2*x²)

b)Side length     x = 60 m      the other side   y = 30 m

c) A (max)  = 1800 m²

Step-by-step explanation:

Area of rectangular garden with length  " x " and wide "y"

A = x*y        

Perimeter of rectangular area ( only three sides 2*y and 1*x)

P(r)  = 2*y + x

P(r) = 120 = 2*y + x

y = ( 120 - x ) /2

Area of the garden as function of x is

A(x) = [( 120 - x ) /2]*x          ⇒     A(x) = (60*x - 1/2*x²)

Taking derivatives on both sides of the equation:

A´(x) = 60 - x

A´(x)  = 0            60  -  x  = 0

x = 60 m

Then

y = ( 120  -  x ) / 2                ⇒   y = (120 - 60 )/2

y = 30 m

A(max) = 30 * 60

A(max) = 1800 m²

8 0
4 years ago
20% of _____ is 18<br><br> what is the blank
ruslelena [56]

Answer:

90

Step-by-step explanation:

6 0
3 years ago
Pablo goes to the grocery store every 2 days, and Wanda goes to the grocery store every 3 days. If they both went to the grocery
Talja [164]

Answer:

6 more days till they both go to the store at the same day

5 0
3 years ago
3/4 times 2 1/2 times 4/5
amm1812
The answer to your problem is 6
5 0
3 years ago
Read 2 more answers
A school custodian ordered p rolls of paper towels. The paper towels are sold and boxes of eight write a expression that shows t
JulijaS [17]

The expression that shows the number of boxes ordered is 8p.

<h3>What is an expression?</h3>

Expression simply refers to the mathematical statements which have at least two terms which are related by an operator and contain either numbers, variables, or both. Addition, subtraction, multiplication, and division are all possible mathematical operations.

Since the school custodian ordered p rolls of paper towels and the paper towels are sold in boxes of eight.

The expression will be:

= Number of rolls × 8

= p × 8

= 8p

The expression is 8p.

Learn more about expressions on:

brainly.com/question/723406

#SPJ1

4 0
1 year ago
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