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3 years ago

9

A clothes inspector examines 75 randomly chosen garments a day. If 10 of them have a defect, about how many garments are defecti

ve if the factory produces about 9500 garments a day?

1 answer:

Nookie1986 [14]3 years ago

8 0

950 garments would be defective

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What is vaule of y when x=4'5

Degger [83]

Answer:

$y = 2.096$ or $y = \frac{2\sqrt5+6}{5}}$

Step-by-step explanation:

Given

$y = \frac{4}{x} + \sqrt x + 0.2 - 5x$

$x = \frac{4}{5}$

Required

Find y

$y = \frac{4}{x} + \sqrt x + 0.2 - 5x$

Substitute $x = \frac{4}{5}$

$y = \frac{4}{4/5} + \sqrt{4/5} + 0.2 - 5 * 4/5$

$y = 5 + \sqrt{4/5} + 0.2 - 4$

Collect like terms

$y = \sqrt{4/5} + 5 + 0.2 - 4$

$y = \sqrt{\frac{4}{5}} + 1.2$

Split the surd

$y = \frac{\sqrt4}{\sqrt5}} + 1.2$

$y = \frac{2}{\sqrt5}} + 1.2$

Rationalize

$y = \frac{2\sqrt5}{\sqrt5*\sqrt5}} + 1.2$

$y = \frac{2\sqrt5}{5}} + 1.2$

Take LCM and add

$y = \frac{2\sqrt5+1.2*5}{5}}$

$y = \frac{2\sqrt5+6}{5}}$

or solve as:

$y = \frac{2*2.24+6}{5}}$

$y = \frac{10.48}{5}$

$y = 2.096$

7 0

3 years ago

The sides of a rectangular parking lot measure 50 1/4 meters and 75 2/5 meters. Find the PERIMETER and the AREA of the parking l

docker41 [41]

3788.85 is the AREA of the parking lot

100.5 + 150.8=251.3 is the PERIMETER

Hope this helps!

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3 years ago

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Help please!! 20 point question!! Which equation represents the general form a circle with a center at (-2, -3) and a diameter o

Ivan

Answer:

it is c

Step-by-step explanation:

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3 years ago

Express each fraction as a percent 7/20

Sergio [31]

<span>To find out what percent 7 out of 20 is, we need to ask: 7 out of 20 is how many out of 100? 5 groups of 20 make 100, so 7 out of 20 is 35 out of 100 (5 x 7 out of 5 x 20). Therefore 7/20 equals 35%, or 0.35 if we represent it as a decimal. I hope this helps</span>

4 0

4 years ago

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Twelve divided by the quantity of y decreased by 5

trasher [3.6K]

Answer: 12/(y-5)

Step-by-step explanation:

twelve divided by the quantity of y decreased by 5

Word form:

quantity of means: number of, amount of, sum of.

So, 12 is divided by (y-5)

That means 12/(y-5)

I hope this helps :D

5 0

3 years ago