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user100 [1]
3 years ago
11

If the probability of rain ia 0.87, what is the probability of NO rain? HELP

Mathematics
1 answer:
Alex777 [14]3 years ago
7 0

An event will definitely either happen or not happen.

The total probability of it (happening or not happening) is 100%.

So if the probability of it happening is 87%, then the probability of it
NOT happening is
                                 (100% - 87%) = 13% .

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Evaluate if x =3 and y = -2<br><br> x2+2xy−4y
Marysya12 [62]

Answer:

5

Step-by-step explanation:

With the equation x^2 + 2xy - 4y, we can substitute the values of x = 3 and y = -2 into the equation to find its result.

(3^2) + (2\cdot3\cdot-2) - (4\cdot-2)\\\\9 + (6\cdot-2) - (-8)\\9 - 12 + 8\\5

Hope this helped!

8 0
3 years ago
How would you do this problem
Drupady [299]

It would be helpful to draw out a diagram but I'll explain in words.

We start at 0, ground level.

Then up a 100 metre hill, so now we are at 100m.

It plunges down 72, so we take away 72 to get 28m.

Then it takes them back up 48m, so we add 48 to get 76m.

That means that they are 76m above from where they started, ground level.

Hope I helped!

6 0
4 years ago
Two remote controlled cars are racing around a track.If it takes Car “A” 16 seconds to complete a lap and if it takes car “B” 24
blsea [12.9K]

8 is the answer because you count up from the lower number

4 0
3 years ago
Read 2 more answers
A random variable is a function that assigns numerical values to the outcomes of a random experiment. True or false?
Alex787 [66]

Answer:

FALSE

Step-by-step explanation:

A random variable is a variable whose outcome depends on random criteria, such as a lottery game in which any number can be drawn randomly. That way, a randomized experiment will have random results that are not predetermined. For example, if the lottery has 80 numbers, the random variable function can achieve any result, which will depend on random criteria such as the luck of the player.

4 0
3 years ago
HELP DUE AT MIDNIGHT TN
White raven [17]

Answer:

102

Step-by-step explanation:

These angles are congruent due to corresponding angles thm

3x + 21 = 6x - 60

3x - 6x = -60 - 21

-3x = -81

x = 27

3x + 21

3(27) + 21

81 + 21

102

8 0
3 years ago
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