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Minchanka [31]
3 years ago
10

Can you please answer these

Mathematics
1 answer:
I am Lyosha [343]3 years ago
7 0

Answer:

the picture isnt showing up

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"if one of the 255 subjects is randomly selected, find the probability that the person is over 40 years of age or that they drin
scoray [572]

the picture in the attached figure


we know that

The probability of an event is the ratio of the size of the event space to the size of the sample space.

The size of the sample space is the total number of possible outcomes

The event space is the number of outcomes in the event you are interested in.

so

P=size of the event space/size of the sample space

step 1

find the probability that the person is over 40 years

size of the sample size=255

size of the event space=85

P=85/255------> P=1/3


step 2

find the probability that they drink root beer

size of the sample size=255

size of the event space=75

P=75/255------> P=5/17


step 3

find the probability that the person is over 40 years of age or that they drink root beer

so

P=(1/3)+(5/17)-----> P=(17*1+3*5)/51------> P=32/51-----> 0.6275----> 62.75%


therefore


the answer is

32/51 or 62.75%

7 0
3 years ago
Read 2 more answers
(a^2-b)^3
Ganezh [65]
-1 is correct answer because
a= -2
b= 5 then
(-2^2-5)^3
(4-5)^3
(-1)^3
-1
7 0
2 years ago
How do I solve the whole thing? It doesn't make sense what so ever
Snezhnost [94]
Any value of x makes this equation true or all real numbers


-2(3x+12) is the same this as -6x-24 when distributed 
so it's -6x-24=-24-6x
her -6x just disappeared so she is wrong :)
8 0
3 years ago
Can someone find this?
elena55 [62]

Answer:

18 square units

Step-by-step explanation:

The distance from -2 to 7 is 9, which is the base of the rectangle. The distance from -2 to -4 is 2, which is the height of the rectangle. The formula for area of a rectangle is A=bh. 9*2=18. 18 square units is your answer.

4 0
3 years ago
Can someone help me please
Alex73 [517]

The answer is phoenix is located at (-7,-10) it is written like this because you always have the x coordinate then the y coordinate

5 0
3 years ago
Read 2 more answers
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