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SIZIF [17.4K]
3 years ago
11

Line XY was drawn on a plane. Using a compass and a straightedge the student wanted to construct an equilateral triangle. What w

ill be the steps in this construction? Use the space below. Add more steps if needed.
Mathematics
1 answer:
Andrew [12]3 years ago
7 0

1. Place your compass point on X and measure the distance to point Y. Swing an arc of this size above (or below) the segment.

2. Without changing the span on the compass, place the compass point on Y and swing the same arc, intersecting with the first arc.

3. Label the point of intersection as the third vertex of the equilateral triangle.

4. Use you straight edge and connect the points.

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What is the final price including tax for the shoes?
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Answer:

Step-by-step explanation:

$15 × 0.75 × 1.04 = $11.70

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2 years ago
A population of size 320 has a proportion equal to .60 for the characteristic of interest. What are the mean and the standard de
tiny-mole [99]

Answer:

The answer is c.) 0.6 and 0.14

Step-by-step explanation:

Given population has a size of 320.

The proportion of population = 0.6

The mean of population, p = 0.6

The mean of sample, \hat{p}= 0.6

Therefore \hat{q}  = 1 - \hat{p} = 1 - 0.6  = 0.4

The sample size  = 12

Therefore the standard deviation of the sample,

s = \sqrt{\frac{\hat{p}(1 - \hat{p})}{n} }  = \sqrt{\frac{0.6 \times 0.4}{12} }  = 0.1414

The mean and the standard deviation for a sample size of 12 are 0.6 and 0.14 respectively.

The answer is c.) 0.6 and 0.14

6 0
3 years ago
Solve 8x - 5y = 14 for y.
emmasim [6.3K]
9 is y is the answer
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2 years ago
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pls help me with this question. just one! thank you so much to whoever decides to it will make my day a lot ❤️❤️
Yuliya22 [10]

Answer:

2 385/3913

i think..

Step-by-step explanation:

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2 years ago
What is the product of (–22.1)(–5.6)?<br> –123.76 <br> –27.7<br> 27.7 <br> 123.76
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