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2 years ago

Campare the graphs of y=ax^2 and y=(cx)^2 to the graph of the parent function y=x^2 for a=c>0

Mathematics

1 answer:

Sergio [31]2 years ago

4 0

Answer: To graph a function of the form y+ax^2

Step-by-step explanation: make a table of values-polt point draw curve compare with y+x^2

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If 1/2 paint cover 1/8 of the wall,then how many quarts cover the whole wall

Lyrx [107]

Answer:

Step-by-step explanation:

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3 years ago

How many groups of 3/4 are in each of the following quantities? 11/4<br> answer as a fraction. ASAP

Rzqust [24]

Answer:

There are 3 2/3 groups of 3/4 in 11/4

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3 years ago

The function h(t) = 210 – 15t models the altitude of a hot air balloon over time t, in minutes.

Liula [17]

H(10) is the altitude of a hot air balloon overtime after 10 minutes. In order to find h(10)'s value, you just have to substitute 10 as t in the equation. h(10) and h(t) represents the value of y in a linear equation. So pretty much: h(10)= 210 - 15(10). If calculated correctly, h(10)=60.

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3 years ago

Read 2 more answers

A baseball collector took inventory of all of his baseball cards along with the value of each card. The box plot represents the

love history [14]

Answer: less than 25%

Step-by-step explanation:

The box plot can be read as follows:

The first black dot is the minimum value.

The first half of the rectangle is the lower quartile.

The line that separates the two rectangles is the median.

The second half of the rectangle is the upper quartile

The final point is the maximum.

Knowing that each quartile represents about the 25% of the elements for the set, we can see that both lower and upper quartile (and the 25% of the elements that come after the upper quartile) cost more than $45.

Then we know that at least the (25% + 25% + 25%) = 75% of the cards in the collection cost more than $45.

And we also have elements that are not in the lower quartile that cost more than $45, but we can not determine the percentage that they represent.

So we can only conclude that more than the 75% of the collection costs more than $45.

Now we want to know the percentage of the baseball cards valued at less than $45.

So if more than 75% is valued at more than $45.

Then less than 25% is valued at less than $25.

8 0

3 years ago

How does the sample size affect the validity of an empirical argument? A. The larger the sample size the better. B. The smaller

astra-53 [7]

Answer:

A. The larger the sample size the better.

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.

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 $s = \sqrt{\frac{p(1-p)}{n}}$

In this question:

We have to look at the standard error, which is:

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

This means that an increase in the sample size reduces the standard error, and thus, the larger the sample size the better, and the correct answer is given by option a.

7 0

3 years ago

Campare the graphs of y=ax^2 and y=(cx)^2 to the graph of the parent function y=x^2 for a=c>0​

Campare the graphs of y=ax^2 and y=(cx)^2 to the graph of the parent function y=x^2 for a=c>0