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IceJOKER [234]
3 years ago
12

g If A and B are disjoint events, with P( A) = 0.20 and P( B) = 0.30. Then P( A and B) is: a. .00 b. .10 c. .50 d. 0.06

Mathematics
1 answer:
Lostsunrise [7]3 years ago
8 0

Answer: A) 0

P(A and B) = 0 when events A and B are disjoint, aka mutually exclusive.

We say that two events are mutually exclusive if they cannot happen at the same time. An example would be flipping a coin to have it land on heads and tails at the same time.

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The height of a square prism is 3n + 1. The volume of the prism is 3n³ + 13n² + 16n + 4. What is the area of the square base of
EastWind [94]
If s is the side of the square base, the area of the square base is s^2.
The volume of the square base is,
V = (s²) (h)
s² = V/h
s² =  3n³ + 13n² + 16n + 4 / <span>3n + 1
You can do this division by factoring, synthetic division, or by plain division.
Factoring out 3n + 1 from the numerator gives you:
</span>s² = (3n + 1)(n² + 4n + 4) / 3n+1
s² = n² + 4n + 4

Therefore, the area of the square base is <span>n² + 4n + 4.</span>
8 0
3 years ago
Simplify (8z - 10) ÷ (-2) + 5(z - 1).       plz show work 
Bess [88]
(8z - 10) ÷ (-2) + 5(z - 1) = 8z - 10 ÷ -2 + 5z - 5 = 8z + 5 + 5z - 5 = 13z
6 0
3 years ago
4.5 divided -1.5 I just want to know the steps to the answer
Irina18 [472]

Answer:

-3

Step-by-step explanation:

dividing a positive and a negative equals a negative so put the 4.5 in parentheses with the 1.5 and put the negative outside the parentheses. then do what's in the parentheses and add your negative which makes you get a -3

3 0
3 years ago
I need some help please.
Crazy boy [7]

Answer:

(-5,-4)

Step-by-step explanation:

A 180 counterclockwise rotation of (5, 4).

The transformation rule is as follows:

(x,y) turns into (-x,-y).

5 0
3 years ago
What is the final amount if 588 is decreased by 3% followed by a 6% increase?
Kaylis [27]

Answer:

604.58

Step-by-step explanation:

because hegarty says its 604.58

8 0
3 years ago
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