3 years ago

Lillian is sitting on a bench in the mall. She noticed that 3 out of the last 15 men who walked

Mathematics

1 answer:

kupik [55]3 years ago

5 0

Answer:

3/15= 1/5 That's the answer

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X+y=6 --> Equation 1
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Equation 1 - Equation 2 =
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y = -1

x+y = 6 --> Plug y value into equation
x + (-1) = 6
x-1 = 6
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3 years ago

What is 1+1= Lol :) JUST ANSWER PLZZ

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Answer:

Step-by-step explanation:

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The floor of a shed given on the right has an area of 85 square feet. The floor is in the shape of a rectangle whose length is 7

lesya692 [45]

Answer: Length = 10 feet and width = 8.5 feet.

Step-by-step explanation:

Let x be the width of the floor.

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$A=l\times w$

$\Rightarrow\ 85=(2x-7)\times x\\\\\Rightarrow\ 2x^2-7x-85=0\\\\\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\\Rightarrow\ x=\dfrac{7\pm\sqrt{49-4(2)(-85)}}{4}\\\\\Rightarrow\ x=\dfrac{7\pm27}{4}\\\\\Rightarrow\ x=\dfrac{17}{2}, -5$

But dimension cannot be negative

So, the width of the floor = $x=\dfrac{17}{2}=8.5\text{ feet}$

And the length of the floor = $2(8.5)-7=10\text{ feet}$

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The answer is B

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