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3 years ago

NEED HELP Fast open up the Screenshot

Mathematics

2 answers:

Evgesh-ka [11]3 years ago

8 0

I think the answer is A but I am not sure. I think you would take the opposite of the y axis.

klasskru [66]3 years ago

4 0

Answer: Choice C. (-3,2)

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To get this answer, you first reflect (2,3) over the line y = x. This will have you swap x and y coordinates. So we go from (2,3) to (3,2).

Now reflect over the y axis. We simply change the sign of the x coordinate from positive to negative. The y coordinate stays the same. We go from (3,2) to (-3,2)

The chain of points is

(2,3) --> (3,2) --> (-3,2)

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Eighty percent of the fans left the competition happy. If 800 fans left the competition unhappy, how many left happy ?

dezoksy [38]

Answer: 640

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3 years ago

In simplest radical form, what are the solutions to the quadratic equation 0 = –3x2 – 4x + 5?

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- 3 x² - 4 x + 5 = 0
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3 years ago

The grace period is the _____. maximum amount of money you can charge on the credit card time before the credit card company sta

GenaCL600 [577]

I'll just clarify the choices you gave:
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3 years ago

Read 2 more answers

Use the distributive property to write an expression that is equivalent to the sum of 9 and 54.

S_A_V [24]

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3 years ago

Read 2 more answers

A bag contains 6 red marbles, 10 white marbles, and 7 blue marbles. You draw 4 marbles out at random, without replacement. What

Lapatulllka [165]

Answer:

3/1771

Step-by-step explanation:

Probability is the chance or likelihood that an event will occur.

Probability = expected outcome/total outcome

Total outcome = total number of marbles

Total outcome = 6+7+10 = 23marbles

If four marbles are drawn, the probability that they are all red is expressed as;

Pr(picking the first red marble) = 6/23

Since it is without replacement, the total marble becomes 22

Pr(picking the second) = 5/22

Pr(picking the third marbles = 4/21

Pr(picking the 4th marble) = 3/20

Note that the number of red marbles keep reducing and the total marble keep reducing as well.

Pr(picking the 4marbles) = 6/23×5/22×4/21×3/20 (we multiplied because or is an independent events)

Pr(picking the 4marbles) = 360/212520

Pr(picking 4 red marbles) = 72/42504 =36/21,252

= 9/5313

= 3/1771

Hence the probability of picking 4 marbles at random without replacement is 3/1771

4 0

3 years ago