Step-by-step explanation:
There are 21 socks in total. Only 7 of them are white.
When you pick your 1st sock, you have a 7/21 chance to get white.
When you pick your 2nd sock, you have a 6/21 chance to get another white, since you already picked a white.
So the probability to get a pair of white socks is 2/21.
Answer:
D 5
Step-by-step explanation:
the same scaling factor s applies to all sides when transforming from the small to the large triangle.
x×s = x + 5
(x-2)×s = x +1
=> s = (x+5)/x
=> (x-2)×(x+5)/x = x + 1
=> x² + 3x - 10 = x² + x
=> 3x - 10 = x
=> 2x = 10
=> x = 5
Answer:3
Step-by-step explanation:
The answer is Y = 63
Here's how I got my answer:
Step 1: Add 4 to both sides. Which leaves us with
Step 2: Simplify to 9. Which leaves us with
Step 3: Multiply both sides by 7. Which leaves us with, your answer, Y = 63
Answer:
weeks or weeks
Step-by-step explanation:
To do this we can set up a proportion
This will tell us how many weeks are in 2/5 of a year
Let's evaluate this
We cannot simplifiy this anymore, so we will leave it as an improper fraction, or a mixed number as shown below
weeks