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3 years ago

Help I need to get this

Mathematics

1 answer:

Mariulka [41]3 years ago

8 0

Which of the following is NOT discussed in this excerpt?

One can follow certain steps to learn to improve the quality of one’s life.

Men are too easily lured by monetary gain.

Authors have not addressed how humankind should earn a living through their literature.

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If the equation of a circle is (x + 5)2 + (y - 7)2 = 36, its radius is<br> 6<br> 0<br> 0

Pavel [41]

Answer:

Step-by-step explanation:

Radius of the given circle is 6 units.

Given equation of circle is:

${(x + 5)}^{2} + {(y - 7)}^{2} = 36 \\ \: equating \: it \: with \\ {(x - h)}^{2} + {(y - k)}^{2} = {r}^{2} \\ {r}^{2} = 36 \\ \huge \red{ \boxed{r = 6 \: units}}$

6 0

3 years ago

Need help on this !!!!!!

grin007 [14]

Answer:

y = 3x + 3

Step-by-step explanation:

y = mx + b where m= slope and b= y-intercept

the y-intercept is the point where x=0 or where the line crosses the y-axis.

This happens at (0,3) on the graph, so the y-intercept, or b, is equal to 3.

for m, slope can be defined as rise/run. So starting from a point you are given on the graph (-1,-2), count the number of spaces up you rise and how many you must go over (run) to get to the next point (0,3)

if you count, you should rise from (-1,-2) 5 spaces and move to the right (run) 1 space to get to (0,3).

rise/run = 3/1

3/1 = 3

the slope is 3.

now that you have the slope and the y-intercept, you can just plug it into the equation

y = 3x + 3

5 0

3 years ago

Solve 16x^2-9=16 and y^3-1=7 show work.

mars1129 [50]

Here you go. Answer is in the Image.

5 0

3 years ago

Read 2 more answers

2. Jill works for Fast Food Inc. and earns $332 per week and is paid bi-weekly. How much is deducted

adoni [48]

Answer:

Social Security: $9.63

Step-by-step explanation:

5 0

3 years ago

A researcher works on a study that has a population standard deviation of 0.73a sample mean of 84.5 and a sample size of 60 .Wha

Firlakuza [10]

Answer:

$ME = z_{\alpha/2} \frac{\sigma}{\sqrt{n}}$

The critical value can be founded in the normal standard distribution table using the value of $\alpha/2 =0.025$ and we got $z_{\alpha/2}=1.96$ . Replacing the info given we got:

$ME = 1.96 \frac{0.73}{\sqrt{60}}= 0.185$

Step-by-step explanation:

For this case we have the following info given:

$\sigma = 0.73$ represent the population deviation

$\bar X = 84.5$ represent the sample mean

$n =60$ represent the sample size

And we want to find the margin of error for a confidence level of 95%. So then the significance level would be $\alpha=1-0.95 = 0.05$ and $\alpha/2 =0.025$ . The margin of error is given by:

$ME = z_{\alpha/2} \frac{\sigma}{\sqrt{n}}$

The critical value can be founded in the normal standard distribution table using the value of $\alpha/2 =0.025$ and we got $z_{\alpha/2}=1.96$ . Replacing the info given we got:

$ME = 1.96 \frac{0.73}{\sqrt{60}}= 0.185$

6 0

4 years ago