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Gala2k [10]
4 years ago
11

How are you doing today

Mathematics
2 answers:
stiv31 [10]4 years ago
6 0

Answer:

FANTASTIC

Step-by-step explanation:

I just signed up for piano and gutar lessons, its something ive been wanting to do for a while

bearhunter [10]4 years ago
3 0
I'm fine and how are you? lolololol

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Plzz ans quick now plzz plzz plzz
Gelneren [198K]

Rational

OPTION A is the correct answer

6 0
3 years ago
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What are the zeros of the polynomial function f (x)=x^2-12x+20
horsena [70]
I hope this helps you



f (x)=(x-10)(x-2)


x=10



x=2
5 0
4 years ago
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Which example illustrates the associative property of addition for polynomials? [(2x2 + 5x) + (4x2 – 4x)] + 5x3 = (2x2 + 5x) + [
Softa [21]

Answer:

A

Step-by-step explanation:

9 0
2 years ago
In a sample of 234 individuals over the age of 25, chosen at random from the state of Oregon, 48 did not have a high school dipl
Anna71 [15]

Answer:

The upper bound of a 95% confidence interval for the proportion of individuals over the age of 25 in Oregon who do not have a high school diploma is of 0.2568.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the z-score that has a p-value of 1 - \frac{\alpha}{2}.

95% confidence level

So \alpha = 0.05, z is the value of Z that has a p-value of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

In a sample of 234 individuals over the age of 25, chosen at random from the state of Oregon, 48 did not have a high school diploma.

This means that n = 234, \pi = \frac{48}{234} = 0.2051

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.2051 + 1.96\sqrt{\frac{0.2051*0.7949}{234}} = 0.2568

The upper bound of a 95% confidence interval for the proportion of individuals over the age of 25 in Oregon who do not have a high school diploma is of 0.2568.

6 0
3 years ago
The choir director set up chairs for the concert with an equal number of rows and columns.
Dima020 [189]
'y' is NOT the number of chairs in each row and column.  It's the TOTAL number of
chairs, so it's the product of (chairs in each row) times (chairs in each column).
The problem says that those numbers are equal.  So we would expect the TOTAL
to be a perfect square, and the number in each row and each column to be the
square root of the total.  Since the total is 81, the number in each row and column
could be either  +9  or  -9 .  Both answers are mathematically correct, but  -9
doesn't make sense in the real world.  So we know that  +9  is the real answer.
5 0
4 years ago
Read 2 more answers
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