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3 years ago

11

Rectangle TUVW is on a coordinate plane at T (a,b), U (a + 2, b + 2), V (a + 5, b - 1). What is the slope of the line that is pa

rallel to the line that contains side TU?
A. 1

B. -1

C. 2

D. -2

2 answers:

netineya [11]3 years ago

7 0

The answer will be D

Rus_ich [418]3 years ago

4 0

The answer is D

Cuz I know

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A rock is thrown from the top of a building. The graph shows the height, y, of the rock from the ground after x seconds. At what

Marta_Voda [28]

Answer:

C.

Step-by-step explanation:

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3 years ago

PLS help asap bt 1230 pt help thank you will brainliest

PilotLPTM [1.2K]

Answer:

85

Step-by-step explanation:

So you train of though might lead you to soemthing like this: it must be 90 degrees, since that looks like a 90 degree triangle, and there are 180 degrees in a line. So 90 degrees and 90 degrees make up the 180.

That is exactly what I though.

But, its a bit different from that. We do not know for sure that its a 90 degree traingle. Depending on the angle of the traingle, the outcome of the mystery number is different.

So, to find the angle of the trainge, lets take our 155 degree line.

Now, this is just a simple line. We know the line is 180, and that the other number must add onto 155 to make 180:

180-155=missing angle

=

25. So we know that the smallest angle of the traingle is 25.

We also know that a traingle has a total of 180 degrees.

We can add the 60 degrees and our new 25 degrees, subtract if from 180, and we will get our last angle of the traingle we need to solve:

60+25

=

85

Now subtract it from 180:

180-85

=

95

So that last angle of the traingle is 95.

Now, we need to solve the missing angle of the line that will give us the answer.

Again, we know the line has to be 180, so lets subtract 95 from that:

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I hope this isnt too confusing and helps! :)

6 0

3 years ago

A box contains 8 green, 4 yellow, and 8 purple balls.

Kruka [31]

Answer:

4/20=1/5

Step-by-step explanation:

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3 years ago

Read 2 more answers

With what number we should multiples -9/28,so that the product be -24/49

sukhopar [10]

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4 years ago

Please help with statistic 21

andrew11 [14]

Part A

Extend the table so that we have row and column totals as shown in the diagram below.

There are 986 accurate orders from all four restaurants combined, out of 1125 orders total. The probability of an accurate order is 986/1125. Selecting two such orders, with replacement, means we get a probability of

(986/1125)*(986/1125) = 0.7682 which is approximate.

Now to the question of independence vs dependence. It all comes down to this: Does the first selection affect the second selection? If so, then we have dependent events. Otherwise the events are independent. Because we put the first selection back (or replaced it with an equivalent order), this means the first selection does not alter the second selection. The two selections effectively exists in their own separate universe so to speak.

<h3>Answer: The probability is <u>0.7682</u> and the events <u>are</u> independent</h3>

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

Part B

This time, we aren't putting the order back in the pile. Whatever we select is taken out entirely without replacement. The first selection will affect the second one. The probability of getting an accurate order for the first selection is 986/1125 = 0.8764 while the second selection is slightly different at 985/1124 = 0.8763. This difference is enough to show that we have dependent events. The second event depends on the first.

Note the second fraction has each term drop by 1.

The probability of picking two accurate orders, when replacement is not made, is (986/1125)*(985/1124) = 0.7681 approximately

<h3>Answer: The probability is <u>0.7671</u> and the events are <u>not</u> independent.</h3>

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3 years ago