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erastovalidia [21]
3 years ago
5

Pls answer fast i will mark u brainliest

Mathematics
1 answer:
Lapatulllka [165]3 years ago
4 0

Answer:

-16 3/28

Step-by-step explanation:

sowwy if wrong owo

1. multiply

-2 3/4 * 5 6/7 = -11/4 * 41/7 = -451/28

2. simplify

-451/28 = -16 3/28

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PLEASE HELP!!!
bogdanovich [222]

Answer:

  for independent A and B, P(A|B) = P(A)

Step-by-step explanation:

The definition of  conditional probability is ...

  P(A|B) = P(A&B)/P(B)

When A and B are independent, ...

  P(A&B) = P(A)·P(B)

so the conditional probability is ...

  P(A|B) = (P(A)·P(B))/P(B) = P(A) . . . . . for independent A and B

In words, when A and B are independent, the probability of A given B is the same as the probability of A. That is, the probability of B has no effect on the probability of A.

7 0
4 years ago
A rectangular prism has a length of 6m, a height of 18m, and a width of 18m. What is its volume, in cubic m?
Marina86 [1]

Answer:

1,944 cubic m

Step-by-step explanation:

8 0
4 years ago
HELP I REALLY NEED ALL THE HELP
kkurt [141]

Step-by-step explanation:

Hello there!

Calulate the area of each side:

(Top and bottom)

18x11x2=396

3x11x2=66

3x18x2=108

All together=570 in ^2

7 0
4 years ago
A shipping company devises a messaging consisting of 9 flags hung in a line. Howmany different messages are possible if communic
Feliz [49]

Answer: 1260

Step-by-step explanation:

The number of permutation of n things in which 'a' things are like , 'b' things are like and so on.. is given by :-

\dfrac{n!}{a!\ b!....}

Given : A shipping company devises a messaging consisting of 9 flags hung in a line.

Then, the number of different possible messages constructed from a set of 4 white, 3 red, and 2 blue flags will be :-

\dfrac{9!}{4! 3!2!}\\\\=\dfrac{9\times8\times7\times6\times5\times4!}{4! 3\times2\times2}\\\\=1260

Hence, the number of different possible messages constructed from a set of 4 white, 3 red, and 2 blue flags= 1260

8 0
4 years ago
Henry is being paid $11.25 an hour at his job before he pays taxes. However, 28% is subtracted from his wages earned for taxes.
vekshin1
Hi, Kaylasole99! :)

11.25*28%
=$3.15

11.25-3.15
=$8.10

With taxes deducted, Henry makes $8.10 an hour.

To find how many hours he needs to work to make $324, we can create an equation:
8.10x=324
x=hours

Solve for x.
8.10x=324
Divide both sides by 8.10.
(8.10x)/8.10=(324)/8.10
Simplify.
x=40

It would take Henry 40 hours in order to make $324.

Hope this helps.
-Benjamin
6 0
3 years ago
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