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3 years ago

Solve each equation. State any extraneous solutions.11/2x + 2/4x = 1/4

Mathematics

1 answer:

9966 [12]3 years ago

4 0

This is the answer .......

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Jeffery took a drive to town at an average rate of 50mph. When he returns, he drove back at the rate of 30 mph. If he spent a to

katen-ka-za [31]

Answer:

150 + 150 = 300

Step-by-step explanation:

50x = 30y

x + y = 8

~~~~~~~~~~~~~~~

x = 8 - y

50(8-y) = 30y

400 - 50y = 30y

400 = 80y

y = 5

x= 3

6 0

3 years ago

What is r/15 > -3

Sever21 [200]

I'm gonna do this 2 ways because I'm not sure what you mean about the line. I'm going to indicate greater than or equal to with >=.

1st I'll solve for

r/15 >= -3

multiply by 15 on each side

r >= -45

Next I'll solve for

r/15 >= 3
multiply 15 on each side

r >= 45

So depending on if that is a 3 or -3 that is how you would do it....

So did I read the problem right?

5 0

4 years ago

How do I graph the circle and so on

Svetradugi [14.3K]

Answer:

The center point will be on (-5,3) and the second point will be on (-4,3)

Step-by-step explanation:

4 0

3 years ago

Determine the solution set of (3x - 5)2 = 36.<br><br> {-1/3, 11/3}<br> {11/3}<br> {-6, 6}

Sati [7]

Answer:

$the \: solution \: set \:is \to \{{-6, 6} \}$

5 0

3 years ago

How many ways are there to fill either the pitcher or catcher field position (but not both) from among the 25 players (leaving t

Artemon [7]

Using the permutation formula, it is found that there are 600 ways to fill the pitcher and catcher positions.

The order is important, as one player is the pitcher and the other is the catcher, hence the <em>permutation formula </em>is used to solve this question.

<h3>What is the permutation formula?</h3>

The number of possible permutations of x elements from a set of n elements is given by:

$P_{(n,x)} = \frac{n!}{(n-x)!}$

2 players are taken from a set of 25, hence the number of ways is given by:

$P_{(25,2)} = \frac{25!}{23!} = 600$ .

More can be learned about the permutation formula at brainly.com/question/25925367

#SPJ1

4 0

2 years ago