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I actually just finished this assignment:
<span>
These
are binomials with n = 3 and p = 0.72</span>
<span>P(X=0)
= 3C0 (0.72^0)(0.28^3) = 0.022
P(X=1)
= 3C0 (0.72^1)(0.28^2) = 0.169
P(X=2)
= 3C0 (0.72^2)(0.28^1) = 0.435
P(X=3)
= 3C0 (0.72^3)(0.28^0) = 0.373 </span>
<span>Notice how they all equal 1.</span>
Order is important in ratios so in this one, it says the ration from GIRLS to BOYS.
We know there are 12 girls and 9 boys so the ratio is B. 12:9
Answer:
It tells me that you are talking about a total of 1000 days or 1,000 + 0 + 0 + 0 days.
<h3><u>The correct answer is A, 50, 50, 50.</u></h3>
This is an equilateral triangle, meaning all sides are the same thing.
We can tell by the dash mark on each side, which identifies each side as being the same length.
Because of this, we know all three will be the same length.
4x + 2 = 5x - 10
Subtract 4x from both sides.
2 = x - 10
Add 10 to both sides.
12 = x
The value of x is 12. We can plug this value in to each expression to find each side length.
4(12) + 2
48 + 2 = 50
5(12) - 10
60 - 10 = 50
3(12) + 14
36 + 14 = 50
