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dybincka [34]
3 years ago
9

Please help!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Alex Ar [27]3 years ago
5 0

Answer:

$3 per lawn

Step-by-step explanation:

one point is (5,15) if you look and divide another would be (1,3) so the rate of price would be $3 per lawn

Alex777 [14]3 years ago
3 0

Answer:

A. $3.00

Step-by-step explanation:

You can look at the point (5, 15)

So if he mows 5 lawns he gets $15

Just divide 15 by 5 to get the amount he will get for one lawn

15/5 = 3

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A billboard designer has decided that a sign should have 3 ft margins at the top and bottom and 5 ft margins on the left and rig
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Answer:

The width of billboard is "[x]" and the height of billboard is "[y"]. If total area of billboard is 9000 ft^2 then 9000=xy

Step-by-step explanation:

• The total width of billboard is [x]. Therefore the width of printed area will be (x-10) by excluding margin of left and right side.

• The total height of billboard is [y]. Therefore the height of printed area will be [(y-6)]  by excluding the margin of top and bottom from the total height.

• To find the printed area of billboard calculations are given below:

& 9000=xy

& y=\frac{9000}{x} \\  & A=(x-10)(y-6) \\  & A=xy-6x-10y+60 \\  & A=x\left( \frac{9000}{x} \right)-6x-10\left( \frac{9000}{x} \right)+60 \\  & A=9060-6x-\frac{9000}{x} \\

On taking the first order derivative of A

\[A'=-6+\left( \frac{90000}{{{x}^{2}}} \right)\]

& \left( \frac{90000}{{{x}^{2}}} \right)-6=0 \\          & 6{{x}^{2}}=90000 \\          & x=\sqrt{15000} \\          & y=\frac{9000}{x}=\frac{90000}{\sqrt{15000}}=10\sqrt{150} \\

• Hence \[x=10\sqrt{150}\] and \[y=\frac{900}{\sqrt{150}}\]

Learn More about Differentiation Here:

brainly.com/question/13012860

7 0
2 years ago
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Mandy divided a 12-pound bag of oranges into 5 equal piles. Which rational number represents the weight of the oranges in each p
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12÷5= 2.4 pounds

2.4 pounds =2 4/10 pounds

=2 2/5
8 0
3 years ago
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It takes Santa a total distance of 1800 miles to cover a portion of his
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Answer:

the answer is 600mph

Step-by-step explanation:

because 1800miles/3 hours=600mph

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2 years ago
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Which is the graph of 5 log (x + 3) = 5?
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3 years ago
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A house was purchased for $89,000. After 6 years the value of the house was $101,000. Find a linear equation that models the val
mamaluj [8]

Answer:  y = 2000x + 89000

Step-by-step explanation:

Given that;

initial purchase amount = $89,000

price after 6 years = $ 101,000

years = 6

now

slope = ( 101000 - 89000) / 6

slope = 12000 / 6

slope = 2000

therefore the linear equation that models the value of the house after x years will be;

y = 2000x + 89000

7 0
3 years ago
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