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Aleonysh [2.5K]
3 years ago
9

A factory produced 5720 microchips in a day. A quality control employee sampled 60 of those microchips and found that 9 of them

were defective. About how many microchips made that day were defective? You must show your work to receive credit.
Mathematics
1 answer:
natita [175]3 years ago
4 0

Answer: The answer is 858 were defective

Step-by-step explanation:

so first you want to divide the amount they found defective in the sample group "9" by the sample group "60" and that gives you 0.15

next you take 0.15 and multiply it by the total microchips "5720" and you get 858 that were defective

i hope this helps

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Explain your answer!! <br><br> Will give brainlst
Novosadov [1.4K]
• So we know that.....

x represent bags of snack and y is bottles of water.


This equations shows the total amount and the cost of each water bottle and snack:

20.00 = 2.50x + 1.00y

Total: $20.00
Snack: $2.50
Water Bottle: $1.00


And this question shows the total items:

11 = x + y

Which there will be some snack + some water bottle = 11 items


—————————————————————

• Now I’m going to first solve for x, which is the amount of bags of snack.

I will use the equation, 11 = x + y.

(First, we’ll subtract y from both side, since we’re solving for x [UNDO])

11 = x + y
-y = - y
_______
11 - y = x —> so x is equal to 11 minus y.


—————————————————————

• Now we’re going to plug the 11 - y as x in the equation: 20.00 = 2.50x + 1.00y to solve for y.

20.00 = 2.50 (11 - y) + 1.00y

20.00 = 27.5 - 2.50y + 1.00y (Distributed)

20.00 = 27.5 - 1.50y (Combine like terms)

20.00 = 27.5 - 1.50y
-27.5 = -27.5 (Subtract -27.5 both side)
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-7.5 = - 1.50y


-7.5 = -1.50y
—— ——— (Divide both side by -1.50)
- 1.50 = -1.50

5 = y

y is equals to 5, which means that there are 5 water bottles.


Now we know there are 11 items total and because there are 5 water bottles, there will be 6 bags of snacks. 11-5=6

—————————————————————

ANSWER:

They bought 6 bags of snacks! :)
4 0
3 years ago
An insect is 3.5 millimeters long. Which expression finds the length of the insect in decimeters? Use the metric table to help a
rewona [7]

Answer:

The length of the insect in decimeters is: 0.035 decimeters

Step-by-step explanation:

The metric table help us to know:

1 decimeter =100 millimeters

To answer the question we need to know how many decimeters are 3.5 millimeters, so:

3.5 millimeters*\frac{1 decimeter}{100 millimeters}= 0.035 decimeters

The length of the insect in decimeters is: 0.035 decimeters

6 0
3 years ago
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Kitty [74]
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jeyben [28]

The best firm for the Appliance manufacturer for the repair work is Firm 2 .

In the question ,

it is given that ,

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the mean repair time for firm 1 = 74 minutes and standard deviation of 4 minutes .

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the range is calculated using the formula

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The second company has a lower range and it should be preferred .

Therefore ,  The best firm for the Appliance manufacturer for the repair work is Firm 2 .

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Answer:

=n+8+n+−12

=(n+n)+(8+−12)

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Answer:

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6 0
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