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Dima020 [189]
3 years ago
9

Can someone please factor this 15x^2-17x-18

Mathematics
1 answer:
Rudiy273 years ago
5 0
Answer is 18 and value of x is 0



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Arrange the rational numbers −7/10, 5/−8, 2/−3in ascending order.
lilavasa [31]

Answer:

-8 / -7 / -3 / 2 / 5 / 10

Step-by-step explanation:

you have to arrange all the numbers from the smallest number to the greatest number, but in negative, always bigger number are considered small.

7 0
3 years ago
The square root of 1.85
WARRIOR [948]

Answer:

around 1.36

Step-by-step explanation:

4 0
2 years ago
What is the equation of the line that passes through the point (-5, 4) and has a
Scilla [17]

Answer:

y=-3/5(x+5)+4

Step-by-step explanation:

y=m(x-h)+k

y=-3/5(x+5)+4

5 0
3 years ago
In a clinical test with 2161 subjects, 1214 showed improvement from the treatment. Find the margin of error for the 95% confiden
Vlad [161]

Answer:

The margin of error for the 95% confidence interval used to estimate the population proportion is of 0.0209.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the z-score that has a p-value of 1 - \frac{\alpha}{2}.

The margin of error is of:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

In a clinical test with 2161 subjects, 1214 showed improvement from the treatment.

This means that n = 2161, \pi = \frac{1214}{2161} = 0.5618

95% confidence level

So \alpha = 0.05, z is the value of Z that has a p-value of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

Margin of error:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

M = 1.96\sqrt{\frac{0.5618*0.4382}{2161}}

M = 0.0209

The margin of error for the 95% confidence interval used to estimate the population proportion is of 0.0209.

4 0
3 years ago
What is 0.015 as a percent?
Anton [14]
Percent means per 100 multiply .015 x 100 (move decimal point 2 places to the right( answer is 1,5% hope this helps
6 0
3 years ago
Read 2 more answers
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