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Marina86 [1]
3 years ago
12

Please help me Find X:

Mathematics
1 answer:
Goshia [24]3 years ago
6 0

Answer:

x=50

Step-by-step explanation:

since all the angles of a triangle when added equal 180 we are going to have an equation like this:

180=102+28+x

180=130+x

so to find the value of x we have to subtract the final number by the value already given to us so something like:

180-130

which equals 50

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3 years ago
Gary spends 10 per week on the internet and 13 hours per week playing video games. If Gary has five hours of free time per day w
Natalka [10]

Answer:

460% of free time is spent on internet and games .

Step-by-step explanation:

Given as :

The time spent by Gary on internet = 10 hours per week

The time spent by Gary on video games = 13 hours per week

So, Total time spent by Gary = 10 hours per week + 13 hours per week

                                                = 23 hours per week

The free time which Gary have = 5 hours

Now, percentage of free time spent on internet and games = x %

So, x % of 5 = 23

or, x % = \frac{23}{5}

∴  x% = 4.6

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3 years ago
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algol [13]

Answer:

see below!!

Step-by-step explanation:

x + 3y = 5,

y = –x + 3

Substitute the point into each equation and verify that it is true

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y = -x +3    1 = -2+3     1=1  true

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Since 71% of your rolls are successful and 29% of your rolls are unsuccessful, the distribution of your earnings is:

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Hence the expected value is:

E(X) = 1 x 0.71 - 2 x 0.29 = 0.71 - 0.58 = 0.13

More can be learned about the mean of a discrete distribution at brainly.com/question/24245882

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Answer:

here

Step-by-step explanation:

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