3 years ago

The perimeter of the rectangle is 28 units.

Mathematics

1 answer:

Angelina_Jolie [31]3 years ago

6 0

Answer:

5 units is the correct value of W

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Leviafan [203]

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3 years ago

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Akiko leaves the mall and drives directly west at a speed of 60 mph. At the same time, Kosuke leaves the mall and drives 40 degr

Ostrovityanka [42]

You know that Akiko is 45 miles from the origin...Kosuke is (135/4) miles from the origin... You can draw a figure to clearly see the situation.

you "know" that the angle between their routes is 140º 

the side opposite (140º) is the distance between them... 

c^2 = (45)^2 + (135/4)^2 - 2(45)(135/4) cos 140 

c ≈ 74.1 mile

Hope this answers the question.

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3 years ago

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:

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

HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION. 

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4 years ago

Hasil perhitungan dari akar pangkat dua 9×3+15×5 adalah

andrey2020 [161]

It is 9x3+15x5
is 102

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3 years ago

Sid needs to put 88 ounces of com in 6 containers. Write 88/6 as a mixed numeral.

Ann [662]

Answer:

the answer is 14 2/3, hope this answers your question

Step-by-step explanation:

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3 years ago