Answer:
19 1/2
Step-by-step explanation:
I was doing this half a decade ago, so I'm pretty sure it's right
Answer:
Step-by-step explanation:
negative b plus or minus the square root of b squared minus four times a times c all over 2a
<h3><u>
Answer:</u></h3>
<em>Hence, the probability is:</em>
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Step-by-step explanation:</u></h3>
Each of four friends orders a sweatshirt from a catalog.
There are 15 colors of sweatshirts, 5 of which are all cotton and 10 of which are a blend.
We have to find the probability that the friend order only cotton sweatshirt:
As there are 5 cotton shirts out of which four are to be selected from a total of 15 coloured shirts.
Now we know that a probability is defined as:
Probability=( Number of favourable outcomes)/(Total number of outcomes)/( Total number of outcomes)
So, the probability is:
Hence, the probability is:
I sort of know the metric system