Answer:
Probability to pick yellow or orange sweet = 3 / 8
Step-by-step explanation:
Given:
Number of yellow sweet = 5
Number of red sweet = 4
Number of green sweet = 8
Number of orange sweet = 4
Number of white sweet = 3
Find:
Probability to pick yellow or orange sweet
Computation:
Total number of sweets = 24 sweets
Probability to pick yellow = 5 / 24
Probability to pick orange = 4 / 24
Probability to pick yellow or orange sweet = 5/24 + 4 / 24
Probability to pick yellow or orange sweet = 9 / 24
Probability to pick yellow or orange sweet = 3 / 8
Answer:
The estimate for the proportion of Americans over 33 who smoke is 0.28.
Step-by-step explanation:
Proportion of Americans over 33 who smoke.
Number who smoke divided by the size of the sample.
In this question:
Sample of 1267.
913 don't smoke, so 1267 - 913 = 354 smoke. Then

The estimate for the proportion of Americans over 33 who smoke is 0.28.
Answer:
Decreasing linear
Step-by-step explanation:
its c
Answer: It has one solution. The solution is (x,y) = (-4,-3)
Add up the equations doing so straight down
x + -x = 0x = 0 so the x terms go away
2y + 2y = 4y
-10 + (-2) = -12
We end up with 4y = -12 so y = -3 after you divide both sides by 4. Use this y value to find the value of x
x+2y = -10
x + 2(-3) = -10
x - 6 = -10
x = -10+6
x = -4
The single solution is (x,y) = (-4,-3)
As a check, plug this solution into each equation to see if you get a true statement or not. Let's do so with the first equation
x+2y = -10
-4 + 2(-3) = -10
-4 - 6 = -10
-10 = -10 .... true
and then the second equation
-x+2y = -2
-(-4) + 2(-3) = -2
4 - 6 = -2
-2 = -2 .... true
both equations are true, so the solution is confirmed
Let W = number of white cars, and Y = number of yellow cars.
There were 9 times as many white cars as yellow cars. This means that the number of white cars was 9 times more than the number of yellow cars. This can be translated by the expression:
9Y = W
The person counted 40 cars in total:
W + Y = 40
So we get the system:

In the first equation, we multiply by 9:
9W + 9Y = 360
In the second equation:
9Y= W
W-9Y = 0
Then we add the first with the second equation:
9W + 9Y + W - 9Y = 360
10 W = 360
W = 36
So He counted 36 white cars.
Hope this Helps! :)