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Ugo [173]
2 years ago
11

1. What is the slope of a line that is parallel to the line represented by the equation 3x + 4y = 12?

Mathematics
1 answer:
inn [45]2 years ago
4 0

Answer:

Explained Below

Step-by-step explanation:

first we need to turn the equation into point slope form.

3x + 4y = 12

4y = -3x + 12

y = -0.75 + 3

Parallel lines don't have a change in slope because they run parallel. Your answer would be -0.75 or -3/4.

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3 0
3 years ago
Read 2 more answers
Identify this conic section.
BaLLatris [955]
Solve for x or y or 1
solving for y
divide both sides by x
y=25/x
not a line because x has t ohave exponent of 1, this one is y=25x^-1

ok, solve for something else
solve for 1
xy/25=1
this doesn't fit into the standard forms of any of the conic sections
if we were to subsitute points we would see it is a hyperbola that is diagonal with the x and y axises as assemtots

it is a hyperbola
5 0
3 years ago
2. Suppose over several years of offering AP Statistics, a high school finds that final exam scores are normally distributed wit
nirvana33 [79]

Answer:

By the Central Limit Theorem, the mean is 78, the standard deviation is s = \frac{6}{\sqrt{n}} and the shape is approximately normal.

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

Mean of 78 and a standard deviation of 6

This means that \mu = 78, \sigma = 6

Samples of n:

This means that the standard deviation is:

s = \frac{\sigma}{\sqrt{n}} = \frac{6}{\sqrt{n}}

What are the mean, standard deviation, and shape of the distribution of x-bar for n?

By the Central Limit Theorem, the mean is 78, the standard deviation is s = \frac{6}{\sqrt{n}} and the shape is approximately normal.

6 0
3 years ago
It's like ratio on big ideas math 2.1 Exercises BigIdesMath.com
ryzh [129]

Answer:

what? I don't understand explain

4 0
3 years ago
Percy paid $24.10 for a basketball the price of the basketball was $22.99 what was the sales tax rate
Nat2105 [25]

To find the sales tax rate, you need to find what percentage of the base price the difference in cost is.

First, subtract 22.99 from 24.10:

24.1-22.99=1.11

Now, divide 1.11 by 22.99:

1.11/22.99=0.0483

Multiply 0.0483 by 100 to convert the decimal to a percentage:

0.0483*100=4.83

The sales tax rate was 4.83%.

Hope this helps!!

3 0
3 years ago
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