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densk [106]
2 years ago
8

Let A and B be mutually exclusive events with PA) = 0.20 and PCB) = 0.30.

Mathematics
1 answer:
Mama L [17]2 years ago
7 0
That would be approximately five hours of president and president of president and internet president of national president
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Which graph shows y= (-5x) -4?
Leya [2.2K]

Answer:

Graph A

Step-by-step explanation

I look at the y-intercept first, and the y-intercept is -4, so looking at each graph you can see both A and D have y-intercepts of -4, since the line intercepts, or goes through the y-axis (the vertical line of the graph) at -4.

Then, you look at the variable that's changing, which is -5x. Since it's a negative, A is the graph that is negatively decreasing, because of its position on the graph. The line is going down, starting in the negative side.

6 0
3 years ago
tina bought some nail polish and lip gloss at the store. the nail polish cost $4.50 per bottle and lip gloss cost $7 per tube. t
viktelen [127]
5 nail polish and 4 lip gloss

5 x 4.5 =22.5
4 x 7    =28
28+22.5=50.50
5 0
3 years ago
Simplify the following expressions. <br> ⅔ divided by -⅙
Solnce55 [7]

Answer:

-4

Step-by-step explanation:

you flip and multiply then you reduce

8 0
3 years ago
2. Encuentra o solocion de la cocasion X²-x-30=0​
navik [9.2K]

Answer:

Step-by-step explanation:

Por aspa simple:

x²+x-30=0

X       +6

X        -5

(x+6)(x-5)=0

x+6=0

x=-6

x-5=0

x=5

espero te sirva suerte en tus estudios :D

6 0
3 years ago
A water park sold 20 child tickets and 60 adult tickets. What is the percentage of the tickets sold were child?
natulia [17]

Answer:

Step-by-step explanation:

total tickets=20+60=80

percentage of child tickets sold=(20)/(80) ×100=25 %

3 0
3 years ago
Read 2 more answers
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