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Jlenok [28]
3 years ago
15

What is the value of the expression ?

Mathematics
1 answer:
Lerok [7]3 years ago
4 0

1st you distribute whats outaide the fractions 2/3*6 and 2/3*5/6 which would be 4 and 5/9 and then subtract those which would be 4/1 - 5/9 To make denomantor the same you would multiply 4/1 by 9 so it would be 36/9- 5-9= 31/9 which converts to 3 4/9. so your answer is 3 4/9

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There are slips of paper that are numbered from 1 to 15 in a hat. What is the theoretical probability that a slip of paper that
lesya [120]

Okay! Let's write out all the numbers:

1

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3

4

5

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7

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15

Now, let's bold (or you can circle them... or do really anything to them as long as they are standing out to you) the even numbers (remember all even numbers are divisible by 2)

1

2

3

4

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15

Now let's list all the ones we highlighted:

2

4

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Count up how many numbers that is.

You should get 7.

So, our answer is 7 out of 15 numbers.

Or as a fraction:

7/15 is our answer.

Note: A probability is the number of chances something has to happen out of the total number of chances. So in this case the number of even numbers out of the total number of numbers. You can apply this to any probability problem. Hope this helps!

Read more on Brainly.com - brainly.com/question/2150566#readmore

5 0
3 years ago
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The dimensions of a triangular prism are shown in the diagram.
Inessa05 [86]
The volume is the triangular prism is 6 cm
4 0
3 years ago
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11 Pause
muminat

Answer:

Step-by-step explanation:

Given that:

Batting average = 0.25 after 160 times at bat;

Batting Average = Number of hits / number of times at bat

0.25 = number of hits / 160

Number of hits = 0.25 * 160 = 40

He want batting average to improve to 0.333 ; if he makes hit the next x times at bat ; number of hits is needed to improve batting average

Hence,

New average = number of hits / number of times at bat

0.333 = (number of hits + x) / (160 + x)

0.333 = (40 + x) / (160 + x)

6 0
4 years ago
Simplify root 18 x^7
Alina [70]

Answer:

herre is the answer but plz help me too 18 has the square factor 9. ... 18 = 9 · 2.

Step-by-step explanation:

7 0
3 years ago
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Select ALL of the trips that would take 2 hours.
stira [4]

Answer:

The answer, also the only answer, is C.

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A: 20 is 1/2 of 40, so you would arrive at Seneca Falls in half an hour.

B: Same as a, 2 is 1/2 of 4, so you would also arrive to school in half an hour.

C: 60 is double 30, so it would take two hours to get from Albany to New York City.

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2 years ago
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