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Aleksandr [31]
3 years ago
10

Solve for u. Simplify your answer as much as possible.

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
3 0

Step-by-step explanation:

2/8 = u/12

cross multiply and we get:

24= 8u

u = 3

Topic: algebraic fractions

If you like to venture further, do check out my insta (learntionary) where I regularly post useful math tips! Thank you!

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Which number line shows the solutions to n> 0?
Brilliant_brown [7]

Answer:

Choice A

Step-by-step explanation:

There should be an open circle at 0 since there is no equals in the inequality

n is greater than zero so the line goes to the right.

Choice A

5 0
2 years ago
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For online courses, like those in eCore, there is a positive correlation between the amount of time spent in the course and the
Troyanec [42]

Answer:

Regression Line is given by,

y = 22.909 + 0.209 x

The course grade of a student in the course who spent an average of 103 minutes in the course each week is: 22.909 + 0.209 × 103 = 44.436

Step-by-step explanation:

The equation of Regression equation is of the form of:

y = a + bx

where, a is intercept and b is slope

The formula for a and b is given by,

a=\frac{\sum Y \sum X^2-\sum X \sum XY}{n\sum X^2-(\sum X)^2}\\ and, b = \frac{n\sum XY -\sum X \sum Y}{n\sum X^2-(\sum X)^2}

Here, ∑X = 1149.8, ∑Y = 377.2, ∑XY = 93115.95, ∑X² = 320246.72

Thus, a = 22.909

and b = 0.209

Thus, Regression Line is given by,

y = 22.909 + 0.209 x

Thus, The course grade of a student in the course who spent an average of 103 minutes in the course each week is: 22.909 + 0.209 × 103 = 44.436

Now plotting these line:

6 0
3 years ago
Evaluate the equation: 1 2/3 - t = 1/4
Schach [20]
-1 5/12 You have to subtract one and 2/3 by one fourth and then take the negative from the tea and add it to your answer
7 0
2 years ago
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Helppp plz i beg you i will give u a like and a 5 star
Annette [7]

Answer:

8/8

Step-by-step explanation:

4/4 = 1

8/8 = 1

you can also see it in the number line that 4/4 and 8/8 are located in the same place.

7 0
3 years ago
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36/48 in simplest form
babunello [35]
Well you can simplify them by dividing by there greatest common factor. 
In this case they can both divide by 12!
Thats the biggest number they can divide by...
Soo..
36 ÷ 12 = 3 
----------------
48 ÷ 12 = 4 

So your answer is 3/4!

Good Luck! :)
3 0
3 years ago
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