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vampirchik [111]

3 years ago

11

In a group of 50 students, 12 study geography, 9 study history and 6 of these students both geography and history. What is the p

robability that a student at random from the group, studies neither history nor geography?

1 answer:

xz_007 [3.2K]3 years ago

8 0

Answer:

The probability is 44/50 or 88%

Step-by-step explanation:

So from 50 you subtract 6 which equals 44.

So it is 44/50 = 88%

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a box contains 20 red, 10 blue and 30 yellow beads. what is the probability of a bead drawn at random being yellow or blue?

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Answer:

2/3

Step-by-step explanation:

1. add all the beads up together:

20+10+30= 60

2. add the blue and yellow beads up:

10+30= 40

3. put 40 over 60

40/60 which equals 2/3

4. the final answer:

2/3

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2 years ago

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If US$1.00 is equivalent JA $75.00, What amount, in US dollars is equivalent JA $3300.00

emmasim [6.3K]

Answer:

It is US $44.00 Equivalent

Step-by-step explanation:

Using ratios (essentially fractions):

1 US : 75 JA

OR

1 US = 75 JA

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Enter the unknown number for n.<br><br> 12.66 − n = 7.64 Brainliest..........

Gemiola [76]

Answer:

Step-by-step explanation:

12.66-n=7.64

12.66-7.64=n

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