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Alex
3 years ago
9

PLEASE HELP!!!!!!

Mathematics
2 answers:
galina1969 [7]3 years ago
8 0

Vertical angles are angles opposite of eachother and therefore the same. Since angle 2 is 93° that means angle 1 must also be 93°

Monica [59]3 years ago
4 0

\huge\bold\red{Answer}

✍ Vertically opposite angles are equal.

Therefore,

Angle 1 = angle 2.

☑ Angle 2 = 93°

❣..ℏ✺℘ḙ !т ℏḙℓ℘ṧ ʏ✺ṳ..❣

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If the total cost C for p pounds of pepperoni if each pound cost 4.86
Marta_Voda [28]
Costs<span> $.59c(p) = .59p. C(p) has unit $/lbs, </span>p=<span>lbs</span>
3 0
3 years ago
At 95% confidence, how large a sample should be taken to obtain a margin of error of 0.03 for the estimation of a population pro
Gnom [1K]

Answer:

A sample of 1068 is needed.

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 zscore that has a pvalue of 1 - \frac{\alpha}{2}.

The margin of error is:

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

95% confidence level

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

At 95% confidence, how large a sample should be taken to obtain a margin of error of 0.03 for the estimation of a population proportion?

We need a sample of n.

n is found when M = 0.03.

We have no prior estimate of \pi, so we use the worst case scenario, which is \pi = 0.5

Then

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

0.03 = 1.96\sqrt{\frac{0.5*0.5}{n}}

0.03\sqrt{n} = 1.96*0.5

\sqrt{n} = \frac{1.96*0.5}{0.03}

(\sqrt{n})^{2} = (\frac{1.96*0.5}{0.03})^{2}

n = 1067.11

Rounding up

A sample of 1068 is needed.

8 0
2 years ago
Any help would be appreciated! ​
tensa zangetsu [6.8K]

Use disruptive property

6 0
3 years ago
I don’t understand this helpppppp
zlopas [31]

Answer:

180°

Step-by-step explanation:

∠LMN = 90° and is the angle in a semicircle, thus

LN is the diameter of the circle and the measure of arc LPN is

m arc LPN = 180°

5 0
2 years ago
The graph of the piecewise function f(x) is shown.
NeTakaya

Answer:

{f(x) | -∞ < f(x) ≤ 4 }

Step-by-step explanation:

The range is made up of the y values.  Remember f(x) = y

In this graph the least value of y is -∞ and the greatest value of y is 4

So, the range is {f(x) | -∞ < f(x) ≤ 4 } which is the 2nd choice

4 0
2 years ago
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