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Lana71 [14]
2 years ago
6

A color printer can print 36 pages in three minutes in 108 pages in nine minutes if the number of pages varies directly with the

time at what rate is the color printer painting
Mathematics
1 answer:
nignag [31]2 years ago
7 0

Answer:

12 pages per minutes

Step-by-step explanation:

36 pages in 3 minutes, so each minutes can print 12 pages

And 108 pages in 9 minutes, which is still 12 pages

So 12 pages per minute

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How can I make this exercise?? Please Help
Maru [420]

x = 3 or x = 1

note that log 5 is usually taken to mean log_{10} 5

using the law of logarithms

logx - logy = log (\frac{x}{y})

the right hand side can be expressed as

log 10000 - log 16 = log (\frac{10000}{16}) = log 625

divide both sides by log 5

x² - 4x + 7 = \frac{log625}{log5} = 4

subtract 4 from both sides

x² - 4x + 3 = 0 ← in standard form

(x - 3 )(x - 1) = 0

equate each factor to zero and solve for x

x - 3 = 0 ⇒ x = 3

x - 1 = 0 ⇒ x = 1


8 0
3 years ago
TunsAXP what is the value of x when x = 13
Advocard [28]

Answer:

the value of x would be 13

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points ( −8,−1) and (-12,-2)
omeli [17]

Answer:

1/4

Step-by-step explanation:

We can find the slope of a line given two points from the formula

m = (y2-y1)/(x2-x1)

   = (-2--1)/(-12--8)

   = (-2+1)/(-12+8)

    =-1/-4

   = 1/4

6 0
2 years ago
The sample variance of hourly wages was 10. what is the sample standard deviation?
lapo4ka [179]
<span>Standard deviation is defined as the quantity which expresses by how much the members of a group is different from the mean value for the group.
</span>
The sample standard deviation with a <span>sample variance of hourly wages 10 will be $3.16.

Explanation:

</span><span>The standard deviation is the square root of the variance.
Therefore,
The square root of 10 dollars can be calculated as:

 </span>√10 = $3.16
8 0
3 years ago
What is the slope of the line perpendicular to the line with equation 4x-5y+13=0
motikmotik

Answer:

m = - 5/4

Step-by-step explanation:

If two lines are perpendicular, their slopes are negative reciprocals, which means that their product is -1

We can write the equation

4*x - 5*y + 13  = 0

as:      5*y  =  4*x  + 13      or    

y  = (4/5)*x  + 13        (1)

Equation (1) is the equation of a straight line in its slope point form, 4/5 is the slope, according to this  the slope of a perpendicular line is

-5/4

4 0
3 years ago
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