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almond37 [142]
3 years ago
6

Can someone explain to me how odds work in math. (There's a picture above)

Mathematics
1 answer:
lilavasa [31]3 years ago
5 0
It is like a ratio: the specific number of something over the total of everything. Say you have twenty colors, divided into red, purple, yellow, and green. There are five of each. The likelihood of picking red from all twenty is 4:16. It is the same for the rest. The number of something specific compared the to the total. If there is an uneven amount of something like four and six out of ten, the odds are different and there is a better chance that the six will be over the four.

The odds against each other in the picture is 5:15 because they are basically competing to be picked. The second number wouldn't be twenty because you aren't looking for the total but the likelihood something will be picked over another.

It has been a long time since I have done odds so be sure to ask about it.
You might be interested in
Tim and Cynthia leave Cynthia's house at the same time. Tim drives north and Cynthia drives west. Tim's average speed is 10 mph
RSB [31]

Answer:

  54.2 mph

Step-by-step explanation:

Since the drivers leave at the same time and travel in directions 90° from each other, their separation speed can be found using the Pythagorean theorem. Let c represent Cynthia's average speed. Then (c-10) will represent Tim's average speed. Their combined separation speed is 70 miles per hour, so we can write ...

  70² = c² +(c -10)²

  4900 = 2c² -20c +100 . . . . eliminate parentheses

  c² -10c -2400 = 0 . . . . . . . . divide by 2; put in standard form

  (c -5)² -2425 = 0 . . . . . . . . . rearrange to vertex form

  c = 5 ±5√97 . . . . . . . . . . . . solve for c, simplify radical

  c ≈ 54.244 ≈ 54.2 . . . . . . . use the positive solution

Cynthia's average speed was 54.2 miles per hour.

6 0
3 years ago
Multiply me by 4 then subtract 13 if you divide me by 3 and add 17 you get 22
8_murik_8 [283]
You have to do the opposite

22-17=5
5x3=15
15+13=28
28/4=7

The answer is 7. You can check this by doing what it says and if it makes 22, it’s correct. (I’ve already checked it) :)
6 0
3 years ago
Can you help me with these 3?
miskamm [114]

Step-by-step explanation:

1. 5,11,17,23,29,35

Common difference is 6

3. 8,21,34, 47,60

Common difference is 13

5. 5,10,15,20,25

Common difference is 5

3 0
3 years ago
Which is the graph of the linear inequality 1/2 x-2y>-6 ?
larisa86 [58]

Answer:

<h2>Your Answer is C!!!!!!!!!</h2>

Steps:

\frac{1}{2} x-2y>-6

Add 2y to both sides:

\frac{1}{2} x-2y+2y>-6+2y

Simplify:

\frac{1}{2}x>-6+2y

Multiply both sides by 2:

2·\frac{1}{2}x>-2·6+2·2y

Simplify:

x>-12+4y

5 0
3 years ago
Write an expression that is equivalent to 4(w+3) -2
damaskus [11]

Steps to solve:

4(w + 3) - 2

~Disribute

4w + 12 - 2

~Combine like terms

4w + 10

Best of Luck!

8 0
3 years ago
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