3 years ago

Consider V = {2,3,5,7,9, 11, 13, 15, 17, 19} as a universal set. Let PC be the set of those numbers that are either

Mathematics

1 answer:

krek1111 [17]3 years ago

4 0

Answer:

Step-by-step explanation:

there are only two numbers .

{9,15}

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kotykmax [81]

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Find the y intercept of (-2,5) and (3,25)

Alex777 [14]

Answer:

The y-intercept is (0, 13).

Step-by-step explanation:

First finf the equation of the line:

The slope = (25- 5) / (3 - -2)

= 20/5

= 4

So its equation is

y - 5 = 4(x + 2)

y = 4x + 13

The y-intercept occurs when x = 0

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3 years ago

An archeologist discovered two artifacts buried beneath the ground. She found the first artifact at an elevation of -8:2/7 meter

8090 [49]

Answer:

Option D is the correct choice.

Step-by-step explanation:

We are provided angle of elevations of two artifacts buried beneath the ground and we are asked to find distance between these two elevations.

We will find distance between these elevations by taking the difference of two.

$35:\frac{4}{7}--8:\frac{2}{7}$

$35:\frac{4}{7}+8:\frac{2}{7}=43:\frac{6}{7}$

Since we know that distance is always positive so option A is incorrect.

Therefore, option D is the correct choice and distance between these two elevations is $43:\frac{6}{7}$ .

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3 years ago

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If tan θ=−4/7, and 270°<θ<360°, what is sec θ?

kondaur [170]

Answer:

1.15

Step-by-step explanation:

tan θ=−4/7, and 270°<θ<360°

θ is in 4th quadrant

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3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B32%7D%20" id="TexFormula1" title=" \sqrt{32} " alt=" \sqrt{32} " align="absmiddle

hammer [34]

The answer to sqrt 32, simplified is 4sqrt2.

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3 years ago