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Usimov [2.4K]
3 years ago
8

Determine the time needed to deliver 72 papers at a rate of 9 papers in 18 minutes

Mathematics
1 answer:
Oxana [17]3 years ago
8 0
It takes 144 minutes to deliver 72 papers
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Line l is perpendicular to line m with equation 2x + 5y = 20. line l intersects line m at (-5,6).
VladimirAG [237]

Answer:

The equation is y = -2/5x + 4

Step-by-step explanation:

First we have to find the slope of the line. In order to do so, solve the first equation for y.

2x + 5y = 20

5y = -2x + 20

y = -2/5x + 4

This gives us a slope of -2/5. Given that information, we now can plug the slope and point into point-slope form and get the final equation.

y - y1 = m(x - x1)

y - 6 = -2/5(x - -5)

y - 6 = -2/5(x + 5)

y - 6 = -2/5x - 2

y = -2/5x + 4

7 0
2 years ago
Phương pháp đã được sử dụng để đánh giá lợi ích và chi phí không có giá trên thị trường :
Ivan

Answer:

I am not totally sure what you are asking but airports use agreements with airline companies to fly there planes at that airport. The airport gives a contract and the airline company can use the airfields and housing sheds.

Step-by-step explanation:

4 0
2 years ago
Explain why 4xy and 5x²y are not like terms.
Gelneren [198K]
They aren’t like terms became 5x^2y has an exponent

We could have the numbers
5x^2 and 5x and they wouldn’t be like terms because one has an exponent
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2 years ago
Whoever answers this question first gets brainly
Bogdan [553]

Answer: B

Step-by-step explanation:

9.62112750.....

area = πr²

3.5 ÷ 2 = 1.75

1.75² × π = 9.6211250....

= 9.6 ft²

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2 years ago
Value of x when the richter scale rating is 7.9
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My answer -

<span>7.90

note -

Glad to help you and if you need anything else on brainly let me know have a AWESOME!!! day.
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3 years ago
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