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Amiraneli [1.4K]
2 years ago
7

NEED HELP RN!!! PLS ☹️

Mathematics
1 answer:
Korolek [52]2 years ago
5 0

Answer:

show the screen clearer !

Step-by-step explanation:

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Please help!<br><br> Find the zeros for y=2x(x+6)(x+-14)
garri49 [273]

Answer:

-6;14

Step-by-step explanation:

x+6=0

x-14=0

4 0
2 years ago
Is the square root of 5 times the square root of 5 rational?
a_sh-v [17]
 No 20.0000004 cannot be rational.
5 0
3 years ago
For one month Siera calculated her home town's average high temperature in degrees Fahrenheit. She wants to convert that tempera
Lana71 [14]

We have to find how can someone convert the temperature from degrees Farhenheit to degrees Celsius using the function. The temperature in degrees Celsius is equal to the temperature in degrees Farhenheit minus 32 times 5/9. Or C ( F ) = ( F - 32 ) * 5/9. For example: the temperature is F = 50°; C ( 50 ) = ( 50 - 32 ) * 5/9 = 18 * 5/ 9 = 10 °C. Answer: The function is: C ( F ) = ( F - 32 ) * 5/9.


Hope this helped.

6 0
3 years ago
Read 2 more answers
Which expressions are equivalent to 1−2x−1.7 ?
siniylev [52]

Step-by-step explanation:

if there are no typos, then the second and the fourth answers are correct.

1 - 1.7 = -0.7 or -2×0.35

-2x = -2(x)

8 0
2 years ago
Using the simple random sample of weights of women from a data​ set, we obtain these sample​ statistics: nequals45 and x overbar
Tomtit [17]

Answer: (141.1, 156.48)

Step-by-step explanation:

Given sample statistics : n=45

\overline{x}=148.79\text{ lb}

\sigma=31.37\text{ lb}

a) We know that the best point estimate of the population mean is the sample mean.

Therefore, the best point estimate of the mean weight of all women = \mu=148.79\text{ lb}

b) The confidence interval for the population mean is given by :-

\mu\ \pm E, where E is the margin of error.

Formula for Margin of error :-

z_{\alpha/2}\times\dfrac{\sigma}{\sqrt{n}}

Given : Significance level : \alpha=1-0.90=0.1

Critical value : z_{\alpha/2}=z_{0.05}=\pm1.645

Margin of error : E=1.645\times\dfrac{31.37}{\sqrt{45}}\approx 7.69

Now, the 90% confidence interval for the population mean will be :-

148.79\ \pm\ 7.69 =(148.79-7.69\ ,\ 148.79+7.69)=(141.1,\ 156.48)

Hence, the 90​% confidence interval estimate of the mean weight of all women= (141.1, 156.48)

3 0
3 years ago
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