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3 years ago

This question is kind of confusing and i need help, please and thank you! :)

Mathematics

2 answers:

solong [7]3 years ago

6 0

ummmmmmmm a lot and alot

Ede4ka [16]3 years ago

6 0

2 slices a day = 0.5
1 year = 365 days
6 years = (365x6) = 2190 days
2190 days x 0.5 (half) = 1095
answer = 1095 pounds

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20 = n/4. Solve for n using reverse operations. Show all work. Your answer

jok3333 [9.3K]

Answer:

n=80

Step-by-step explanation:

n/4=20

(n/4=20)4 . to get rid of the denominator u multiply by 4 on both sides

n=80

7 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

Choose what the expressions below best represent within the context of the word problem. The tens digit of a number is twice the

Usimov [2.4K]

2x + x = 12
=> x =12/3 =4
so, original number is 84.

6 0

4 years ago

HELP PLEASEE I’m stuck

Sever21 [200]

Answer:

:-):-)

Step-by-step explanation:

1) p<1000

2)p>500

3)By combining the above two, we get: 500<p<1000

Andre will agree as he thinks that the no. of paper clips in the box is less than 1000. But lin will not as she thinks that the no. of clips is more than 500.

4)This time, they both will agree as the no. of paper clips is more than 500 but less than 1000.

6 0

3 years ago

Read 2 more answers

Someone help please!

Ray Of Light [21]

Answer:

q < 56

Step-by-step explanation:

q +12 -2(q -22) > 0

q +12 -2q +44 > 0

56 -q > 0

q < 56

3 0

3 years ago

Read 2 more answers