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3 years ago

A store employs 8 women and 13 men.

Mathematics

1 answer:

alisha [4.7K]3 years ago

7 0

Answer:

A store employs 8 women and 13 men.

Then totally, they have 8 + 13 = 21 employees

=> The percentage of the employees who are women:

P = 8/21 = ~0.4 = 40%

Hope this helps!

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What is one factor of 2x^2-32y^2

serg [7]

Here you have two terms connected by the "subtraction" symbol.

The two coefficients are 2 and 32, and one factor common to both of these is 2. Thus, 2x^2-32y^2 = 2(x^2-16y^2).

You could stop here. But it'd make more sense to continue, since x^2-16y^2 is easy to factor:

The three factors of 2x^2-32y^2 are 2, x-4 and x+4

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3 years ago

A lawn care service charges a $15 equipment fee plus $10 per hour. For x number of hours, they charge y=10x+15 . Susan found a d

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Step-by-step explanation:

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3 years ago

Read 2 more answers

The length of a rectangle is 6 more than twice the width. if the area is 40 cm^2, find the length and breadth of the rectangle

ra1l [238]

Answer: 3.217 & 12.434

Step-by-step explanation:

If we use w to represent the width, the length will be 6 more than 2 times w.

Hence, the length is $2w+6$ .

The area of a rectangle would be its length times its width, so let's make an equation to represent it's area.

$A=w(2w+6)$

We can also substitute 40 in for A as it's given in the question.

$40 = w(2w+6)$

Distributing w by multiplying it by both terms in the parentheses, we get

$40 = 2w^2+6w$

We can make the equation simpler by dividing both sides by 2.

$20 = w^2+3w$

Subtracting both sides by 20 will make the left-hand side 0.

$0=w^2+3w-20$

Now that we have put this quadratic equation into standard form (ax²+bx+c), we can find its solutions using the quadratic formula.

For reference, the quadratic formula is

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

In this case, a is 1, b is 3, and c is -20.

Substituting, we get

$w=\frac{-3\pm\sqrt{3^2-4(1)(-20)}}{2(1)}$

$w= \frac{-3\pm\sqrt{9+80}}{2}$

$w=\frac{-3+\sqrt{89}}{2}\hspace{0.1cm}or\hspace{0.1cm}\frac{-3-\sqrt{89}}{2}$

Since the second solution results in a negative number, it cannot be the length of w.

$w=\frac{-3+\sqrt{89}}{2}\approx3.217$

The width/breadth of the rectangle is 3.217 cm.

To calculate the length, let's substitute the width into the expression for the length:

$l=2(3.217)+6$

$l=12.434$

The length of this rectangle is 12.434 cm.

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1 year ago

Find the values of x and y leave answers in simplest radical form. *The altitude is:

jok3333 [9.3K]

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3 years ago

Alvarez has $650 deposited into his bank account. The account earns simple interest of 5. 5% per year. No other money is added o

Elena-2011 [213]

Answer:

$793

Step-by-step explanation:

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A = P(1 +rt)

where P is the principal invested at rate r for t years.

Using the values given in the problem statement, the account balance can be found to be ...

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There will be $793 in the account after 4 years.

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2 years ago