3 years ago

I need serious help ASAP

Mathematics

1 answer:

Alexxx [7]3 years ago

8 0

Answer:

1. 1/2

2. 1/2 each month

3. 8 months

Step-by-step explanation:

Because its on the chart.

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What is the probability of getting exactly 5 “heads” in 10 coin flips ?

castortr0y [4]

There are $\dbinom{10}5=\dfrac{10!}{5!(10-5)!}=252$ ways of getting exactly 5 heads in 10 tosses. There are $2^{10}=1024$ possible outcomes. So the probability of getting exactly 5 heads is

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grandymaker [24]

For this case we have the following functions:

$f (x) = x ^ 2-3x + 7\\g (x) = x + 3$

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$x ^ 2-3x + 7 = x + 3\\x ^ 2-3x-x + 7-3 = 0\\x ^ 2-4x + 4 = 0$

To solve we factorize, that is, we look for two numbers that when multiplied give a result of 4 and when added together give a result of -4. These numbers are -2 and -2.

$-2-2 = -4\\(-2) * (- 2) = 4$

Thus, we have:

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4 years ago

Hey i need help with a test score!!

Lapatulllka [165]

Ok, so I'm pretty sure you get it by just dividing 168 by 182 to get 0.923 etc. Then if you multiply it by 100 then you get your grade. Which is about a <em>92.3%</em>. Hope this helps.

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Salsk061 [2.6K]

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Step-by-step explanation:

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2 years ago

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