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3 years ago

What are not a benchmark fraction

Mathematics

1 answer:

kvasek [131]3 years ago

4 0

Answer:

0/4, 0/6 those are examples of non benchmark fractions. 1/2 is a benchmark fraction.

Step-by-step explanation:

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Which graph represents a function ?

Georgia [21]

Answer:

Step-by-step explanation:

Im pretty sure it's D so Lets hope it is

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3 years ago

Dylan weighs 45 pounds. Use the expression you derived in part I to calculate how much more Bruce weighs than Alan.

boyakko [2]

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3 years ago

Need help on these three. thanks:))

Anton [14]

1. 0.3% or 30%
2. 15 minutes
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3 years ago

Why is 210 divided by 30 the same as 21 tens divided by 3 tens

sveta [45]

Answer:

It is by definition. 210 means 21 tens or 21 * 10. 30 means 3 tens or 3*10.

Since there is a ten on the top and bottom of the divisor 210/30 is also the same thing as 21/3. All of which is 7 and all of which is true by definition.

Step-by-step explanation:

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3 years ago

An urn contains ten marbles, of which give are green, two

Alla [95]

Answer:

$\frac{5\cdot 4\cdot 3}{10\cdot 9 \cdot 8}\approx 0.083$

Step-by-step explanation:

Getting all three marbles of green color only happens if every draw is a green marble. On the first marble draw, the urn has 10 marbles in it, out of which 5 are green. So the probability of drawing a green marble on this first draw is $\frac{5}{10}$

Then, once this has happened, the second draw also needs to be a green marble. At this point in the urn there are only 9 marbles left, and only 4 of them are green. So the probability of drawing a green marble at this point is $\frac{4}{9}$

Afterwards, on the last draw, a green marble also needs to be drawn. At this point there are only 8 marbles left on the urn, and only 3 of them are green. So the probability of drawing a green marble on this last draw is $\frac{3}{8}$

Therefore the probability of drawing all three marbles of green color is

$\frac{5}{10}\cdot\frac{4}{9}\cdot\frac{3}{8}\approx 0.083$

8 0

3 years ago