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uranmaximum [27]
2 years ago
5

Can someone help with this please it confusing

Mathematics
1 answer:
zheka24 [161]2 years ago
6 0

Part (a)

Since point E is on segment AD, this means the slope of ED is the exact same as the slope of AD.

Use the slope formula to calculate the slope of AD.

m = (y2-y1)/(x2-x1)

m = (7-2)/(4-0)

m = 5/4

<h3>Answer: 5/4</h3>

====================================================

Part (b)

The same idea and steps apply as part (a)

<h3>Answer: 5/4</h3>

====================================================

Part (c)

The x coordinates are the same, so we subtract the y coordinates to find the distance between C and D, which is the length of segment DC.

7-2 = 5

<h3>Answer:  5 units</h3>

====================================================

Part (d)

This time, the y coordinates are the same. We'll subtract the x values

4-2 = 2

<h3>Answer: 2 units</h3>

====================================================

Part (e)

Same idea as part (d), just different numbers this time.

2-0 = 2

<h3>Answer: 2 units</h3>
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Consider a sampling distribution with p equals 0.12 and samples of size n each. Using the appropriate​ formulas, find the mean a
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<h2>Answer with explanation:</h2>

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x=5, y=-3, x=-4, y=9

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DENIUS [597]

9514 1404 393

Answer:

  • 52°: angles 4, 13, 18
  • 128°: angles 1, 3, 14, 17
  • 44°: angles 5, 12, 15
  • 136°: angles 2, 6, 11, 16
  • 84°: angles 7, 10
  • 96°: angles 8, 9

Step-by-step explanation:

Where a transversal (t or u) crosses parallel lines (m and n), there are four angles formed at each intersection. Corresponding and vertical angles are congruent.

Angles in a linear pair are always supplementary. Of course, the angles interior to a triangle always total 180°. These facts let you find the relationships of all the angles in the figure.

Angle 13 corresponds to the given angle 52°, so has the same measure. Angles 4 and 18 are vertical angles with respect to those, so also have the same measure. Angles 1 and 3, 14 and 17 are supplementary to the ones just named, so all have measure 128°.

In the same way, angles on the other side of the figure can be found from the one marked 44°. Angles 5, 12, and 15 also have that measure; and angles 2, 6, 11, and 16 are supplementary, 136°. Angles 7 and 10 finish the triangle interior so that its sum is 180°. That means they are 180° -52° -44° = 84°. Of course, angles 8 and 9 are the supplement of that value, 96°.

In summary:

  • 52°: angles 4, 13, 18
  • 128°: angles 1, 3, 14, 17
  • 44°: angles 5, 12, 15
  • 136°: angles 2, 6, 11, 16
  • 84°: angles 7, 10
  • 96°: angles 8, 9
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