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cupoosta [38]
2 years ago
12

Suppose that 60% of the students do homework regularly. It is also known that 80% of students who had been doing homework regula

rly, end up doing well in the course. Only 20% of students who had not been doing homework regularly end up doing well in the course. Given that a student did well in the course, what is the probability that the student had been doing homework regularly
Mathematics
1 answer:
skad [1K]2 years ago
7 0

Answer:

its A im really smart and because im smart

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3 Questions Math! HELP!!!
Sveta_85 [38]
1) Since the larger number is a negative, you’re going to get a negative solution for number one. An easy way to do the math is to ignore the negative sign in (-116) For a moment. And subtract 56 from it.
116 - 56 = 60. Don’t forget to place the negative sign we pushed to this side before the solution. The answer is -60.

2) We do the same thing we did in number one, but with new numbers. The answer in total is -178.

3. As stated, we do the same thing we did in number one. Just because there’s a decimal doesn’t change much. And your answer would be -1.1
8 0
3 years ago
Read 2 more answers
Explain your answer !! <br> Have a nice day <br><br> Will give braisnlt
Viktor [21]

Answer:

(3,-4) or x=3 and y= -4

Step-by-step explanation:

I'm going to solve this by substitution

We first need to get a variable by itself in one of the two equations (it doesn't matter which variable and the equation you do the work on doesn't matter either)

I'm going to solve for y in the second equation

-4x-4y=4

add 4y and subtract 4 from both sides to get

-4x-4=4y

Divide by 4 to get

-x-1=y

We can plug this value in for y into the first equation and get

4x+5(-x-1)= -8

Solve for x

4x-5x-5= -8

-x-5= -8

-x= -3

x=3

We can plug this value into one of the first two equations and solve for y

4(3)+5y= -8

12+5y= -8

5y= -20

y= -4

Therefore the solution is (3,-4) or x=3 and y= -4

8 0
2 years ago
A pair of tomato plants sells for $20.65. the cost is $7.32 each. what is the markup rate, based on cost to the nearest tenth of
Serggg [28]
Answer: 64.6%

Explanation:

\textnormal {Markup Rate = } \cfrac{20.65 - 7.32}{20.65} \times 100 = 64.6\%
8 0
3 years ago
Read 2 more answers
What is the area of this face?
Burka [1]
If the answer you were looking for was long and had a E in it, it would be 2.79552e10
5 0
3 years ago
The asymptote of the function f(x) = 3x + 1 – 2 is . Its y-intercept is
Alekssandra [29.7K]

Answer:

-1

Step-by-step explanation:

1-2=-1

y=mx+b

b= y intercept

5 0
3 years ago
Read 2 more answers
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