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BaLLatris [955]
3 years ago
11

NEED ANSWERS ASAP THIS IS DUE TODAY

Mathematics
1 answer:
Aneli [31]3 years ago
5 0
C. Tom is incorrect. Maureen earns $67,685.
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........................
Ulleksa [173]

Answer:

...................... have no end

Step-by-step explanation:

Hope it will help

<h2><em>N</em><em>o</em><em>w</em><em> </em><em>,</em><em> </em><em>ca</em><em>n i</em><em> </em><em>g</em><em>e</em><em>t</em><em> </em><em>brainlists</em><em> </em><em>p</em><em>l</em><em>e</em><em>a</em><em>s</em><em>e</em></h2>
7 0
2 years ago
Read 2 more answers
Convert 6.28282828 in to a fraction
Irina-Kira [14]

Answer:

I got 6 and 28/99

Step-by-step explanation:

I put it in a calculator about 10 times and this was the answer every time,  sorry if it wasn't helpful

5 0
3 years ago
Read 2 more answers
In a sample of 230 teenagers, 202 would like to have smaller class sizes at their school. Find the sample
marishachu [46]

Answer:

The sample proportion is 0.88.

The margin of error is of 0.04.

The interval likely to contain the true population proportion is (0.84,0.92).

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}.

Margin of error:

The margin of error is of:

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

Sample of 230 teenagers, 202 would like to have smaller class sizes at their school.

This means that n = 230, and that the sample proportion is:

\pi = \frac{202}{230} = 0.88

The sample proportion is 0.88.

Standard 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{0.88*0.12}{230}}

M = 0.04

The margin of error is of 0.04.

Confidence interval:

Sample proportion plus/minus margin of error. So

0.88 - 0.04 = 0.84

0.88 + 0.04 = 0.92

The interval likely to contain the true population proportion is (0.84,0.92).

5 0
3 years ago
What is the area of the given figure?
kirza4 [7]

\huge\boxed{192\ \text{in}^2}

There are three parts to this figure: a rectangle and two triangles that are congruent.

We'll add together the area for each to get the total area.

We'll start by finding the area of the rectangle. We don't know its length, so we need to find the bases of the triangles and add them together.

We know that a^2+b^2=c^2. Substitute and solve for a:

\begin{aligned}a^2+6^2&=10^2\\a^2+36&=100\\a^2+36-36&=100-36\\a^2&=64\\\sqrt{a^2}&=\sqrt{64}\\a&=8\end{aligned}

Now, double this to get the total length of the rectangle, which is 16 inches.

The area of the rectangle is equal to its length times its height:

16\cdot9=\underline{144}

Now, we'll find the area of one of the triangles and double it since they're congruent.

The area of a triangle is one-half of its base times its height, which we then double.

2\left(\frac{1}{2}\cdot b\cdot h\right)

The 2 and the \frac{1}{2} cancel each other out.

b\cdot h

Substitute and solve:

8\cdot6=\underline{48}

Finally, add the rectangle's area to the two triangles' area.

144+48=\boxed{192}

6 0
2 years ago
PLSSS HELP IF YOU TURLY KNOW THISS
anyanavicka [17]
I think it would be 0.042
8 0
2 years ago
Read 2 more answers
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