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2 years ago

If it takes 5 minutes for 5 machines to make 5 objects, then how long would it take for 100 machines to make 100 objects?

1 answer:

4 0

1 machine 5 min. 1 object
100 machine x min. 100 object

so than from this result that for 100 machine to make 100 objects need 5 minutes

hope this will help you

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The width of a desk is 25 inches, or 63.5 centimeters. If a measurement in inches varies directly with a measurement in centimet

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The answer to this is 27.94. I think....

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5. Area = 36cm HM = 12 cm OE = x

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Answer:

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Step-by-step explanation:

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Which equation, in point-slope form, passes through (-2, 4) and has a slope of 3?

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2 years ago

The measure of angel A is 55° and is complementary to the measure of angle B. If the measure or angle B is X , what is the value

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45 or least

Step-by-step explanation:

I'm guessing that the angel is acute

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2 years ago

Enny White is shopping for CDs. She decides to purchase 3 movie soundtracks. The music store has 7 different movie soundtracks i

zubka84 [21]

Answer:

$35\ ways$

Step-by-step explanation:

we know that

Combinations are a way to calculate the total outcomes of an event where order of the outcomes does not matter.

To calculate combinations, we will use the formula

$C(n,r)=\frac{n!}{r!(n-r)!}$

where

n represents the total number of items

r represents the number of items being chosen at a time.

In this problem

$n=7\\r=3$

substitute

$C(7,3)=\frac{7!}{3!(7-3)!}\\\\C(7,3)=\frac{7!}{3!(4)!}$

simplify

$C(7,3)=\frac{(7)(6)(5)4!}{3!(4)!}$

$C(7,3)=\frac{(7)(6)(5)}{3!}$

$C(7,3)=\frac{(7)(6)(5)}{(3)(2)(1)}$

$C(7,3)=35\ ways$

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3 years ago