2 years ago

9 < 11, so 9(5) < 11(5) true or false?

Mathematics

1 answer:

Zolol [24]2 years ago

7 0

It is true since you’re multiplying the same number on both the sides

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12 yellow balls and 9 red balls are placed in an urn. Two balls are then drawn in succession without replacement. What is the pr

denis23 [38]

Answer:

$\frac{9}{35}$

Step-by-step explanation:

When the first draw is done there are 9 red balls in a sample size of 21. So there probability of drawing a red ball will be $\frac{9}{21}$

When the second draw is done, there will be 12 yellow balls in a sample size of 20 since the first ball will not have been replaced into the bag. So the chance of someone drawing the second ball in the second draw is $\frac{12}{20}$

The probability of them happening in this order is the product of both probabilities:

$\frac{9}{21} * \frac{12}{20} = \frac{9}{35}$

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3 years ago

I can't figure this question out I've tried multiple times but only 2/3. Help, please.

Scrat [10]

Answer:

yes it is 2/3

Step-by-step explanation:

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2 years ago

The ratio of green food coloring to blue food coloring is 1:2 we used 6 drops of blue how many total drops of food coloring did

Marianna [84]

green:blue

1:2

?:6

6/2=3

so it is 3/6

and 6+3=9

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3 years ago

Please please please help me!! I'll give 5 stars and thanks!

ipn [44]

F(1) = -2

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4 0

3 years ago

Suryana bought 16 watches for rs 16000. At what rate should he sell the watches to gain rs 3200?

dangina [55]

Answer:

Step-by-step explanation:

So if 16 watches is 16000 rs, then if you want to make 3200 more rs, your total from 16 watches should be 19200 (which is 16000+3200)

so the rate per watch should be 19200/16 = 1200

So it should be 1200rs/watch is the rate

8 0

3 years ago

Read 2 more answers