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Ray Of Light [21]
3 years ago
7

Consider the function f(x) = 3x2 + 7x + 2.

Mathematics
2 answers:
Llana [10]3 years ago
5 0

Answer:

Step-by-step explanation:

This function I believe has one x intercept which is (-2/13,0)

Oduvanchick [21]3 years ago
4 0

Answer:

<h3>It's 25 , 2 , two real number solutions </h3>

Step-by-step explanation:

Just did it

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The temperature in several cities in Canada are shown in the table to the right. The average temperature can be found in the sum
aliina [53]

Answer:

The one you selected is right

Step-by-step explanation:

8 0
3 years ago
Pls someone answer this...​
Sergio039 [100]

Answer:

p=10

Step-by-step explanation:

3p+10+5p=90

8p+10=90

8p=80

p=10

5 0
3 years ago
Read 2 more answers
In nearby Missouri, slavery was .
Thepotemich [5.8K]

Answer:

Im only assuming, but the options may be
A) legal
B) illegal

Step-by-step explanation:

The correct answer is
A) legal

On edge, I did the assignment and it's right

8 0
2 years ago
10 points ! I’m really trying to pass this but I just don’t get it. help pls! :((
m_a_m_a [10]

Answer:

how about you stop being confused

Step-by-step explanation:

just read the question

5 0
2 years ago
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard devia
gtnhenbr [62]

Answer:

n=(\frac{2.58(58.2)}{1})^2 =22546.82 \approx 22547

So the answer for this case would be n=22547 rounded up to the nearest integer

Step-by-step explanation:

Let's define some notation

\bar X represent the sample mean

\mu population mean (variable of interest)

\sigma=58.2 represent the population standard deviation

n represent the sample size  

ME =1 represent the margin of error desire

The margin of error is given by this formula:

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

And on this case we have that ME =+1 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 critical value for 99% of confidence interval now can be founded using the normal distribution. The significance would be \alpha=0.01 and the critical value z_{\alpha/2}=2.58, replacing into formula (b) we got:

n=(\frac{2.58(58.2)}{1})^2 =22546.82 \approx 22547

So the answer for this case would be n=22547 rounded up to the nearest integer

3 0
3 years ago
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