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andrezito [222]
3 years ago
9

Please Help ASAP! 8 POINTS!!

Mathematics
2 answers:
Arisa [49]3 years ago
7 0

Answer:

It should be 1/16

Step-by-step explanation:

The word of in a word problem means multiplication so if you multiply you get 1/16

Lapatulllka [165]3 years ago
4 0

Answer:

Step-by-step explanation:

Time spend on online = 1/6 of 24 hours

                                    = \frac{1}{6}*24

                                    =  4 hours

Time spend on writing a blog = 3/8 of 4

                                                 = \frac{3}{8}*4

                                                 = \frac{3}{2}= 1\frac{1}{2}

                                                 = 1 hour 30 minutes

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Step 3

Step-by-step explanation:

This is the right one because you are adding two thing in step two which lead to step 3

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Solve this system algebraically.
seraphim [82]
From y-2x+3=0 we have y=2x-3
So we can replace y by 2x-3 in the equation: 9x+2y=5
And we have 9x+2(2x-3)=5
Or 9x+4x-6=5
and 13x=5+6
Or x=11/13, then y=2x-3= 2. 11/13-3=22/13-3= -17/13

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4 0
3 years ago
3. Given the following functions f(x) and g(x), solve f[g(7)] and select the correct answer below:
antoniya [11.8K]
Hello,
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8 0
3 years ago
Read 2 more answers
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
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