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4 years ago

I do not understand these.

Mathematics

1 answer:

Vladimir [108]4 years ago

6 0

Answer:

k(-1) = 7.

Step-by-step explanation:

k(-1) is the value of the function k when x = -1.

You read this off the graph.

Find the value of the point on the graph which corresponds to x = -1. From x = -1 on the horizontal axis move straight up until you meet the graph of k. Now look horizontally to the right and read off the value on the vertical

y-axis

You'll find it is 7.

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Consider the following table with information about a sample of students from GCA and if they had trigonometry before taking AMD

11Alexandr11 [23.1K]

Answer:

$\frac{1}{6}$

Step-by-step explanation:

The conditional probability P(W|X) means "Probability of W happening GIVEN THAT X has happened".

We want to find P(Trig|Male). This would mean, we want people who are male...then we look, how many of them took Trig.

Looking at the table, row and column of Trig & Male is "8".

Hence, Probability would be 8/48 [48 is the total number of people, given in right bottom most part of the table]

8/48 = 1/6

Correct answer is 2nd option, 1/6

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3 years ago

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3 years ago

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7 0

4 years ago

HELP PLEASE

Lerok [7]

Answer:

A = 81 pi ft^2

Step-by-step explanation:

The area of a circle is found by

A = pi r^2

The radius is 9

A = pi 9^2

A = 81 pi ft^2

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