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FrozenT [24]
3 years ago
6

Which quadratic function in vertex form can be represented by the graph that has a vertex at (3, -7) and passes through the poin

t (1, -10)?
Mathematics
1 answer:
mrs_skeptik [129]3 years ago
6 0
The equation is y=-3/4(x-3)^2-7
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What pattern do you noticed for each column​
Lorico [155]

Answer:

If you look at the "Standard Form" column, you can take any number from an upper row and divide it by 4 to get the number in the row below it.

For example: You can take 256 and divide it by 4, and that will give you 64. Like wise, if you take 64 and divide it by 4 you will get 16.

This tells us that every time you add 4 to the equation, your answer will keep increasing 4 times.

Step-by-step explanation:

Hope that makes sense :)

If you still don't get it, please let me know.

8 0
2 years ago
The Wall Street Journal reported that automobile crashes cost the United States $162 billion annually (2008 data). The average c
ivanzaharov [21]

Answer:

n=(\frac{2.326(500)}{120})^2 =93.928 \approx 94

So the answer for this case would be n=94 rounded up to the nearest integer

Step-by-step explanation:

Information given

\bar X represent the sample mean

\mu population mean (variable of interest)

\sigma= 500 represent the population standard deviation

n represent the sample size  

Solution to the problem

The margin of error is given by this formula:

ME=z_{\alpha/2}\frac{s}{\sqrt{n}}    (a)

And on this case we have that ME =120 and we are interested in order to find the value of n, if we solve n from equation (a) we got:

n=(\frac{z_{\alpha/2} \sigma}{ME})^2   (b)

The confidence2 level is 98% or 0.98 then the significance level would be \alpha=1-0.98=0.02 and \alpha/2=0.01, the critical value for this case would be z_{\alpha/2}=2.326, replacing into formula (b) we got:

n=(\frac{2.326(500)}{120})^2 =93.928 \approx 94

So the answer for this case would be n=94 rounded up to the nearest integer

8 0
3 years ago
All positive real numbers less than or equal ten
Pachacha [2.7K]

Answer:

equal ten

Step-by-step explanation:

hope this helps

7 0
4 years ago
Which of these numbers is prime? large 11, 15, 21, 27, 56
gizmo_the_mogwai [7]
11 is the only prime number. It's only multiples are 1 and itself
6 0
3 years ago
Read 2 more answers
A triangle has a perimeter of 59cm. If the three sides of the triangle are n, 3n+4, and 4n−1, what is the length of each side?
Elina [12.6K]

Answer:

I honestly have no clue

Step-by-step explanation:

I think you divide something

8 0
3 years ago
Read 2 more answers
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