Solve the expression by using the model below. Each strip represents one whole.

Mathematics

1 answer:

Genrish500 [490]3 years ago

8 0

Answer:

Please include a photo of model please!

Step-by-step explanation:

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If a rectangle has side lengths 5x-y and x+4y what would be the area and perimeter of the rectangle?

Dafna1 [17]

Answer:

Answer is given below with explanations. 

Step-by-step explanation:

$given \: \: l = 5x - y \: and \: \: b = x + 4y \\ area \: of \: rectangle \:= l \times b \: sq.units \\ = (5x - y)(x + 4y) \\ = 5 {x}^{2} + 20xy - xy - 4 {y}^{2} \\ = 5 {x}^{2} + 19xy - 4 {y}^{2} \\ perimeter \: of \: rectangle \\ = 2(l + b) \\ = 2(5x - y + x + 4y) \\ = 2(6x + 3y) \\ = 12x + 6y$

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THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION. 

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3 years ago

How do you get the number 5 with these numbers 2,3,6,8

NemiM [27]

Answer:

You add 2 and 3

Step-by-step explanation:

1.read the question it asks how to get 5 from 2,3,6,8

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3 years ago

What's the answer I'm not sure.

FinnZ [79.3K]

For the first one EF is 119 degrees now since that's made with two radii it makes a central angle so whatever that arc is the central angle will be the same. fro the second one since SRQ is 52 degrees you just take that and subtract it from 180 to get SQ. I'm not quite sure about the third one. the forth you are taking the measurement of the arc its connected to and dividing that by 2 so it would be 71 degrees. I'm pretty sure in right.

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3 years ago

Write your answers as (% up) or (% down) *

Talja [164]

Idk really I enjoyed this mathematics

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Answer:

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