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3 years ago

Answer fast please and thank you

Mathematics

2 answers:

Nimfa-mama [501]3 years ago

7 0

Answer:

C, zero slope should be correct

Step-by-step explanation:

hope this helps, sorry if im wrong

Alenkasestr [34]3 years ago

3 0

Answer:

zero slope

Step-by-step explanation:

In a zero slope, the numerator is zero. This means that the “Y” points (Y1 and Y2) produce a difference of zero between the variables. Zero divided by any non-zero denominator will result in zero. This also results in a straight, horizontal line on the graph that neither climbs nor descends along the “X” axis.

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According to the Central Limit Theorem, which statements(s) are TRUE. There may be more than 1 correct answer. A. An increase in

Liono4ka [1.6K]

Answer:

Options A, B and C are correct.

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem estabilishes 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.

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean $\mu = p$ and standard deviation $s = \sqrt{\frac{p(1-p)}{n}}$

From the Central Limit Theorem, we have that:

The larger the sample size, the closer to the normal distribution the distribution of sample means is.

No matter the sample size, the mean is the same.

The larger the sample size, the smaller the standard deviation.

The smaller the sample size, the larger the standard deviation.

So the correct options are:

A, B, C

6 0

2 years ago

grant and two friends drove 210 miles . their car got 31 miles per gallon on the trip. How many gallons of gas did they use on t

Bad White [126]

Answer:6.774 gallons

Explanation: They drove 210 miles with 31 miles per gallon. So you divide 220/31=x
X=6.774 gallons

6 0

3 years ago

What is 0.8^2 3.15 please i need the answer by tonight

Anettt [7]

Answer:

2.016

Step-by-step explanation:

In your equasion, I couldn't tell if you need to multipy 0.8^2 by 3.15 or are you asking something else? If you want to multiply, the answer is 2.016.

3 0

3 years ago

which of these shows the result of using the first equation to substitute for y in the second equation, then combining like term

Furkat [3]

Answer:

C. $\Rightarrow \bold{8x = 16}$

Step-by-step explanation:

Given the two equations:

$y=2x ........ (1)\\ 2x+3y=16.......(2)$

To find:

The correct option when value of y is substituted to 2nd equation using the 1st equation.

Solution:

First of all, let us learn about the substitution method.

Substitution method is the method to provide solutions to two variables when we have two equations and two variables.

In substitution method, we find the value of one variable in terms of the other variable and put this value in the other equation.

Now, the other equation becomes only single variable and then we solve for the variable's value.

Here, we have two equations and value of one varible is:

$y=2x$

Let us put value of y in 2nd equation:

$2x+3y=16\\\Rightarrow 2x + 3(2x) = 16\\\Rightarrow 2x + 6x = 16\\\Rightarrow \bold{8x=16}$

So, the correct answer is option C. $\Rightarrow \bold{8x = 16}$

7 0

3 years ago

Solve and reduce to lowest terms 4\7 x 5\8

erastovalidia [21]

Answer:

5/14

Step-by-step explanation:

4/7 x 5/8 = 20 /56

Then divide by 4

20/56 x 4/4 = 5 /14

8 0

2 years ago