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disa [49]
3 years ago
8

if the probability of a train being on time is 0.24 and the probability of it being late is 0.66 what is the probability of it b

eing early
Mathematics
1 answer:
padilas [110]3 years ago
6 0
0.24 + 0.66 = 0.90
1 - 0.90 = 0.10
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A bag contains 6 yellow marbles and 18 red. If a representative sample contains 2 yellow marbles, then how many red would you ex
kramer

Answer:

6 red marbles

Step-by-step explanation:

We must first find our multiplier since a sample represents a population (the whole thing).

6/2 = 3, so 3 * 2 = 6.

I will use the value of 6/2, aka 3 and use that as my divisor.

18/3 = 6.

Therefore, you would expect to have 6 red marbles.

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Which graph represents this equation?<br> y = 1/2x^2 + 2x - 6
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Answer:

C

Step-by-step explanation:

y = 1/2x^2 + 2x - 6

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you don't need to find another variable. Because in number C u can find a graph that has y= -6 when x =0.

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3 years ago
To put a narrow border around a square photo, Alicia has 32 inches of trim. The area of the photo is 60 square inches. Will she
olga nikolaevna [1]

Answer: Yes, she will have enough trim for all four sides of the square, because the perimeter of the square photo (30.98 inches) is less than  32 inches of trim she has.

Step-by-step explanation:

The formula for calculate the area of a square is:

A=s^2

Where "s" is the lenght of any side of the square.

The formula for calculate the perimeter of a square is:

P=4s

Where "s" is the lenght of any side of the square.

We know that that the area of the photo is 60 square inches, therefore, we can solve for "s" from the formula  A=s^2 and find its value:

A=s^2\\\\s=\sqrt{A}[\\\\s=\sqrt{60in^2}\\\\s=2\sqrt{15}in

Substituting the value of "s" into the formula P=4s, we get that the perimeter of the photo is:

P=4(2\sqrt{15}in)=30.98in

Therefore, since Alicia has 32 inches of trim and 30.98in, we can conclude that she will have enough trim for all four sides of the square.

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3 years ago
4.3-4.4 section of pre-calculus problem in link please also tell how you got your answer if can .
Tanya [424]

Answer:

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7 0
3 years ago
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