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yarga [219]
3 years ago
9

Consider the quadratic function f(x)=8x2−7x+6. What is the constant of the functi​

Mathematics
1 answer:
Stolb23 [73]3 years ago
6 0

Answer: 6

Step-by-step explanation:

The constant is a number that doesn't change at all. 8x² is not a constant because this number increases every time you plug in an x. -7x is also not a constant because this number decreases every time you plug in x.

We also know 6 is a constant because it is the y-intercept. No matter what, the y-intercept does not change. Therefore, 6 is the constant.

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Answer:

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Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
There is a stack of
ad-work [718]
There is a 50% chance that the card will be even
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3 years ago
The mean per capita income is 20,90820,908 dollars per annum with a standard deviation of 407407 dollars per annum. What is the
LiRa [457]

Answer:

z=\frac{20880-20908}{\frac{407}{\sqrt{55}}}= -0.51

z=\frac{20936-20908}{\frac{407}{\sqrt{55}}}= 0.51

Then we can find the probability of interest with this difference:

P(-0.51

And using the normal standard distribution or excel we got:

P(-0.51

So then the probability  that the sample mean would differ from the true mean by less than 28 dollars from the sample of 55 is approximately 0.390

Step-by-step explanation:

We define the variable of interest as the per capita income and we know the following properties for this variable:

\mu=20908 and \sigma=407

We want to find this probability:

P(20908-28

We select a sample size of n=55 and we define the z score formula given by:

z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}

We can find the z score then for 20880 and 20936 and we got:

z=\frac{20880-20908}{\frac{407}{\sqrt{55}}}= -0.51

z=\frac{20936-20908}{\frac{407}{\sqrt{55}}}= 0.51

Then we can find the probability of interest with this difference:

P(-0.51

And using the normal standard distribution or excel we got:

P(-0.51

So then the probability  that the sample mean would differ from the true mean by less than 28 dollars from the sample of 55 is approximately 0.390

7 0
3 years ago
plz help... Emily wants to make 1000 cranes. she can make 80 cranes a day. if she has already made 304 cranes,how many dayz are
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She would take about 9 days to make 1000 cranes
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4 years ago
A calendar shop has 3,500 calendars. Each rack can hold 500 calendars. How many racks does the store need to use?
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