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emmasim [6.3K]
3 years ago
13

If f(x)=x-5 and g(x)=3x+11, find (f+g)(x).

Mathematics
1 answer:
lawyer [7]3 years ago
4 0

Answer:

4x+6

Step-by-step explanation:

x-5+(3x+11)=4x+6

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A group of students at a high school took a standardized test. The number of students who passed or failed the exam is broken do
Anuta_ua [19.1K]

Answer:

Since P(male)xP(fail) = 0.0549 and and P(male and fail) = 0.0773, the two results are different, so the events are not independent.

Step-by-step explanation:

Independent events:

Two events, A and B are independent, if:

P(A \cap B) = P(A)P(B)

Probability of male:

58 + 14 = 72 males out of 58 + 14 + 98 + 11 = 181

So

P(male) = 72/181 = 0.3978

Probability of failling:

14 + 11 = 25 students fail out of 181. So

P(fail) = 28/181 = 0.1381

Multiplitication of male and failling:

0.3978*0.1381 = 0.0549

Probability of being male and failing:

14 out of 181. So

14/181 = 0.0773

Different probabilities, so not independent.

Since P(male)xP(fail) = 0.0549 and and P(male and fail) = 0.0773, the two results are different, so the events are not independent.

5 0
3 years ago
Which step will get you closest to the solution of this equation?<br><br> 5⋅(x−2)=7
Paul [167]
When you divide both sides by 5
4 0
2 years ago
Can somebody help me with this?
Bess [88]
The answer is C, 40, angle c for triangle abc is 50 bc the total of it and 130 must equal 180. so if you subtract the angle you are given, 90, and the new angle, 50, from 180 (total a triangle should have) then your answer is 40.
7 0
3 years ago
Someone please please help
DedPeter [7]

Answer: -80 and -3

Step-by-step explanation: By signed number, do you mean a negative or positive number? If so that means that number one is -80 because she lost 80 dollars which mean that she LOST the money. And the second number is -3 because the number DECREASED

6 0
3 years ago
I need help please!!!
laiz [17]
The second or third one I believe
5 0
3 years ago
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