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2 years ago

2. Write each of the following in set builder form. A = [5, 10, 15,20]

Mathematics

1 answer:

Virty [35]2 years ago

4 0

Answer:

A={x:x is a multiple of five }

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3x − 15= 3x + 15<br> what is x?

Marina CMI [18]

We are given the following equation and want to find the possible values of x

$3x-15=3x+15$

Subtract both sides by 3x

$3x-15-3x=3x+15-3x$

$-15=15$

Now, we have this weird equation. Since -15 is NOT equal 15 and there is no other way we could have solved for x, there is no real solution to the given equation.

In other words, there is no value of x that makes the equation true.

Let me know if you need any clarifications, thanks!

~ Padoru

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3 years ago

Divide 28 cans of soda into two groups so the ratio is 3 to 4<br>to

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28 = 3x+4x
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3x = 12
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3 years ago

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1. D
2. E
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3 years ago

Camille had $275 in her checking account . she deposited $812 and wrote checks $75, $60, and $48. how much did she have in the a

Elenna [48]

She would have $904. 275 + 812= 1087. 75 + 60 + 48= 183. 1087 - 183 = 904. Check the math to make sure, I did it in my head.

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3 years ago

Consider the line y=4x-4.

erica [24]

9514 1404 393

Answer:

parallel: y = 4x -6
perpendicular: y = -1/4x +27/4

Step-by-step explanation:

If we want the new line to be written in slope-intercept form, we need to find the new value of the y-intercept. The equation of the line is ...

y = mx +b . . . . . . . for slope m and y-intercept b

Solving for b gives ...

b = y -mx . . . . . . . subtract mx from both sides.

The values of x and y come from the point we want the line to pass through. The value of m will be the same for the parallel line as for the given line: 4. For the perpendicular line, it will be the opposite reciprocal of this: -1/4.

<u>Parallel line</u>

b = 6 -4(3) = 6 -12 = -6

y = 4x -6

Perpendicular line

b = 6 -(-1/4)(3) = 6 +3/4 = 27/4

y = -1/4x +27/4

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2 years ago

2. Write each of the following in set builder form. A = [5, 10, 15,20]​

2. Write each of the following in set builder form. A = [5, 10, 15,20]