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4 years ago

5

Determine whether the events are independent or dependent: selecting a jellybean and then choosing a second jellybean without re

placing the first jellybean

1 answer:

valentinak56 [21]4 years ago

8 0

It is independent because picking one jelly bean does not affect picking another one.

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What is the perimeter of a rectangle that is 2 ft high and 3.4 ft wide

Gennadij [26K]

10.8 feet. you add 2 for both sides, and 3.4 for both sides. then add those together.

so, 2+2+3.4+3.4

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3 years ago

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If pentagon ABCDE is rotated 180° around the origin to create pentagon A'B'C'D'E', what is the ordered pair of point A'?

kozerog [31]

For the given graph, the coordinate of the point A is (-2,4).

Problem is about rotation of the image 180° around the origin.

We know, when we roate 180° around the origin, the image change the quadrant and goes exactly opposite of it's quadrant by an angle 180.

1st quadrant coordinate goes in 3rd quadrant and 2nd quadrant coordinate goes in 4th quadrant and vice verse.

But in order to inderstand it better we can apply a simple rule.

If we have given coordinates of the image are in form (h,k).

The resulting coordinates of image rotation of 180° around the origin would be (-h,-k).

So, if we apply same rule, the coordinates of A(-2,4) would become (-(-2),-4) or (2,-4).

Therefore, correct option would be option A. (2,-4).

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3 years ago

A line that passes through the points (–4, 10) and (–1, 5) can be represented by the equation y = y equals negative StartFractio

Natali5045456 [20]

Answer:

y=-\frac{5}{3} x+\frac{10}{3} or what is the same: $5x+3y=10$

Step-by-step explanation:

First we find the slope of the line that goes through the points (-4,10) and (-1,5) using the slope formula: $slope=\frac{10-5}{-4-(-1)} =\frac{5}{-3} =-\frac{5}{3}$

Now we use this slope in the general form of the slope- y_intercept of a line:

$y=-\frac{5}{3} x+b$

We can determine the parameter "b" by requesting the condition that the line has to go through the given points, and we can use one of them to solve for "b" (for example requesting that the point (-1,5) is on the line:

$y=-\frac{5}{3} x+b\\5=-\frac{5}{3} (-1)+b\\5=\frac{5}{3}+b\\5-\frac{5}{3}=b\\b=\frac{10}{3}$

Therefore, the equation of the line in slope y_intercept form is:

$y=-\frac{5}{3} x+\frac{10}{3}$

Notice that this equation can also be written in an equivalent form by multiplying both sides of the equal sign by "3", which allows us to write it without denominators:

$y=-\frac{5}{3} x+\frac{10}{3}\\3*y=(-\frac{5}{3} x+\frac{10}{3})*3\\3y=-5x+10\\5x+3y=10$

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3 years ago

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What is the slope 5,-9 and 5,3

Shalnov [3]

Undefined should be the answer

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3 years ago

By what percentage ulu

blondinia [14]

Answer:

9.8 is the correct answer

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3 years ago