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3 years ago

PLEASE HELP!

1 answer:

5 0

If you Multiply 42.00 and 0.30 because 30 percent as a decimal is 0.30 once your done you should get 12.6 then you subtract 12.6 from 42.00 you get 29.40 once you're done with that you multiply that product from 25% or 0.25 and you would get $7.35.
meaning that you're answer would be $7.35 please make brainliest

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a can complete a piece of work in 10 days B can do it in 12 days C can do it in 15 days in how many days will they finish the wo

Anna [14]

<h2>YOUR ANSWER IS IN THE ATTACHMENT. </h2>

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5 0

3 years ago

A box of candy hearts contains 52 hearts, of which 19 are white, 10 are tan, 7 are pink, 3 are purple, 5 are yellow, 2 are orang

laiz [17]

Answer-

a. Probability that three of the candies are white = 0.29

b. Probability that three are white, 2 are tan, 1 is pink, 1 is yellow, and 2 are green = 0.006

Solution-

There are 19 white candies, out off which we have to choose 3.

The number of ways we can do the same process =

$\binom{19}{3} = \frac{19!}{3!16!} = 969$

As we have to draw total of 9 candies, after 3 white candies we left with 9-3 = 6, candies. And those 6 candies have to be selected from 52-19 = 33 candies, (as we are drawing candies other than white, so it is subtracted)

And this process can be done in,

$\binom{33}{6} = \frac{33!}{6!27!} =1107568$

So total number of selection = (969)×(1107568) = 1073233392

Drawing 9 candies out of 52 candies,

$\binom{52}{9} = \frac{52!}{9!43!} = 3679075400$

∴P(3 white candies) = $\frac{1073233392}{3679075400} =0.29$

Total number of ways of selecting 3 whites, 2 are tans, 1 is pink, 1 is yellow, and 2 are greens is,

$\binom{19}{3} \binom{10}{2} \binom{7}{1} \binom{5}{1} \binom{6}{2}$

$=(\frac{19!}{3!16!}) (\frac{10!}{2!8!}) (\frac{7!}{1!6}) (\frac{5!}{1!4!}) (\frac{6!}{2!4!})$

$=(969)(45)(7)(5)(15)=22892625$

Total number of selection = 3 whites + 2 are tans + 1 is pink + 1 is yellow + 2 greens = 9 candies out of 52 candies is,

$\binom{52}{9}=\frac{52!}{9!43!} =3679075400$

∴ P( 3 whites, 2 are tans, 1 is pink, 1 is yellow, 2 greens) =

$\frac{22892625}{3679075400} = 0.006$

6 0

3 years ago

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BARSIC [14]

Step-by-step explanation:

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2 years ago

An accounting firm purchased a new digital camera that cost $2,500. The life of the camera is estimated to be 5 years. The total

lozanna [386]

2500-700 = 1800
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The annual depreciation of the camera is $360.

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3 years ago

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This is one way to do it

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3 years ago