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3 years ago

5

Anna invented a robot. The robot's name is David. David can go a maximum speed of 4 mph. At that rate, how long would it take Da

vid to go 9 miles?

1 answer:

daser333 [38]3 years ago

4 0

Answer:

At maximum speed the robot can travel 9 miles in 2hrs and 15 min

Step-by-step explanation:

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The linear combination method is applied to a system of equations as shown.

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Question 1:

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3 years ago

a rectangle has a perimeter of 22 feet. the width is 5 feet less than the length. find the length and width of the rectangle

alexira [117]

Answer:

the length is 8ft

the width is 3ft

Step-by-step explanation:

Step one:

given

perimter= 22ft

let the length be x

width = x-5

Step two

the expression for the perimeter of a rectangle is

P=2L+2W

substituting our data

22= 2(x)+2(x-5)

open brackets

22=2x+2x-10

collect terms and solve for x

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divide both sides by 4

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3 years ago

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Step-by-step explanation:

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