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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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valkas [14]

Answer:

a = $31.23 per month

b = $20.83 per month

c = 249.98 = $249.98 interest charges

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d = 35.35%

e = Answer is in the name; basic payment is a contract which means whilst account remains open charges are requested without fail. Should balance be less or on zero, charges are still applied.

Step-by-step explanation:

2500 x 1.2499 = interest only for start month 13 =3124.75

3124.75/ 100 x 1.08   = 8% of this = 249.98 each year.

We only have to divide each by 12 to work out monthly individual charges and subtract to find out payments.

3124.75 - 249.98 = 2874.77 = Total after charges each year.

249.98/12 = 20.83 = monthly charges.

3124.75- 2500 = 624.75 payments each year

624.75/12 = 52.06 month 1 payment before charge

52.06-20.83 =31.23 total minimum payment

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Percentage = 200:600 = 1/3 33% + (comparing to ratio 10:25 closer to 40%)

We find ratio 200:600= 33.33 + 49.995/24.75 = 2.02

33+2.02 = 35.35%

7 0
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A square lawn has area 128128 ft squared .ft2. a sprinkler placed at the center of the lawn sprays water in a circular pattern t
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For this case what you must do is find the diagonal of the square to find the diameter of the circle and then be able to obtain the radius.
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4 years ago
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Answer:

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z + 2+ z simplifies to 2z + 2, and so, if z = -4, z + 2+ z has the value

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Answer:

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Step-by-step explanation:

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Pie

9514 1404 393

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Step-by-step explanation:

This inequality can be resolved to a compound inequality:

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_____

<em>Additional comment</em>

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Then you're looking for the values of x that bound the region where the graph is below the x-axis. Those are shown in the attachment. For graphing purposes, I find this comparison to zero works well.

__

For an algebraic solution, I like the compound inequality method shown above. That only works well when the inequality is of the form ...

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If the inequality symbol points away from the absolute value expression, or if the (some number) expression involves the variable, then it is probably better to write the inequality in two parts with appropriate domain specifications:

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