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ratelena [41]
3 years ago
15

Please help i cant figure this out

Mathematics
2 answers:
fiasKO [112]3 years ago
5 0
First work out the bracket: -1 2/3, make this into one fraction 
                                          a b/c = (ac+b)/c 
                                          ignore the negative for now, so 3+2= 5 so your                                             fraction is -5/3
Then multiply: 3/5 x -5/3 = -15/15 so your answer is -1
serg [7]3 years ago
5 0
-1 2/3 = - (1*3+2/3)
          = - (3+2/3)
          = -5/3

Now lets multiply
= 3/5 * -5/3
= 3*-5 / 5*15
= -15/15
= -1
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Answer:

X =0

Step-by-step explanation:

6x + 4 = 6x-10

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3 0
3 years ago
Estimate 2,072-581 by first rounding each number to the nearest hundred
Alik [6]

Answer:

1490 is the correct answer

Step-by-step explanation:

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3 years ago
Roll two fair dice. Each die has six faces. A. Let A be the event that either a 3 or 4 is rolled first followed by an odd number
zhenek [66]

Answer:

A. 0.16

B. 0.58

C. No

D. Dependent

Step-by-step explanation:

A.

The sampling space has 36 outcomes.

The event A has 6 outcomes (3,1), (3,3), (3,5), (4,1), (4,3),(4,5)

So P(A)= 6/36 = 0.16

B.

The table in the picture shows the 15 outcomes that are not allowed, so there are 36-15 = 21 possible outcomes for B and its probability is 21/36 = 0.58

C.

Are A and B mutually exclusive events?

No since their intersection is not empty, for example (3,1) belongs to both A and B

D.

In order for A and B to be independent, it must happen that

P(A∩B)=P(A)P(B)

A∩B={(3,1),(3,3),(4,1)} so P(A∩B) = 3/36  

whereas

P(A)P(B) = (6/36)(21/36) = (1/6)(7/12)=7/72

So A and B are not independent.

7 0
4 years ago
326 people were in a tour group. Six buses were completely filled and 8 people chose to walk. How many people did the bus hold?
Artemon [7]

Answer:

The Total Capacity  per bus is 53  people.

Step-by-step explanation:

To work this out you would first minus 8 from the total  to find out how many actually went on the bus, and so we do not count the people walking. Then as you know there are six busses you would divide that new total by 6 to find the capacity per bus.

1) Minus 8 from 326.

326-8=318

2) Divide that by 6.

318/6=53

3) Total capacity.

The Total Capacity  per bus is 53  people.

This shows that the total capacity per each bus is 53 people.

4 0
3 years ago
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here's your answer

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