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katovenus [111]
3 years ago
6

Use rulers and compasses to draw a line which is perpendicular to line AB at point C

Mathematics
1 answer:
netineya [11]3 years ago
8 0

Answer:

Draw a line AB

Take a point C on AB

Fix the tip of compass at C and with a fix radius, cut AB on both sides of C

Mark those points D and E

Fix the tip of compass on D, and with the same radius, draw an arc above C

Do the same with E

Those two arcs will intersect at a point, mark the point F

Make a line passing through both C and F

Line CF is perpendicular to AB

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1. find the greatest common factors of the numerator & denominator 
2. regroup the factors to make fractions equivalent to 1
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A bag contains six red marbles three green marbles and four blue marbles if we choose a marble then another marble without putti
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Answer:

2/13

Explanation:

The bag has 6 red, 3 green, 4 blue.

Total marbles = 13

Probability of getting <u>blue the first time</u> would be 4/13 because 4 of the 13 total marbles are blue

Because you're not putting back the first marble, the total would go down to 12, so the probability of getting <u>red the second time</u> would be 6/12 or 1/2

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3 years ago
What is the answer to 5a+2=7
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4 0
4 years ago
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Suppose a sample of 1537 Americans over 46 is drawn. Of these people, 1245 don't smoke. Using the data, estimate the proportion
Dmitry_Shevchenko [17]

Answer:

n = 1537 represent the sample size of American over 46

X = 1537-1245=292 represent the number of Americans over 46 who smoke

And for this case in order to estimate the population proportion we can use this formula:

\hat p = \frac{X}{n}

Where:

X represent the number of people with the characteristic desired and n the sample size. If we replace we got:

\hat p = \frac{292}{1537}= 0.190

Step-by-step explanation:

For this case we deine the parameter of interest p as the proportion of Americans over 46 who smoke.

We know the following info provided:

1245 people don't smoke

n = 1537 represent the sample size of American over 46

X = 1537-1245=292 represent the number of Americans over 46 who smoke

And for this case in order to estimate the population proportion we can use this formula:

\hat p = \frac{X}{n}

Where:

X represent the number of people with the characteristic desired and n the sample size. If we replace we got:

\hat p = \frac{292}{1537}= 0.190

3 0
4 years ago
What is the cube root of 27 in radical notation ​
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Answer: hi im mongraal

Step-by-step explanation:

In mathematics, a cube root of a number x is a number y such that y³ = x. All nonzero real numbers, have exactly one real cube root and a pair of complex conjugate cube roots, and all nonzero complex numbers have three distinct complex cube roots. For example, the real cube root of 8, denoted ³√8, is 2, because 2³ = 8, while the other cube roots of 8 are −1 + √3i and −1 − √3i. The three cube roots of −27i are 3i, 3√(3)/2-3/2i, and -3√(3)/2-3/2i.

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4 years ago
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