Write the equation of the line that passes through the given points. (0,2) and( 2,11)
1 answer:
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Answer:
<u>900</u> black and white copies are printed.
Step-by-step explanation:
Given:
For every 9 black and white copies printed there are 2 color copies printed.
If there are 200 color copies printed.
Now, to find the number of black and white copies are printed.
Let the number of black and white copies printed be
As given, for every 9 black and white copies printed there are 2 color copies printed.
So, 9 is equivalent to 2.
If there are 200 color copies printed.
Thus, is equivalent to 200.
Now, to solve by using cross multiplication method:
<em>By cross multiplying we get:</em>
<em>Dividing both sides by 2 we get:</em>
Therefore, 900 black and white copies are printed.
Answer:
Yes, twice
Step-by-step explanation:
The equation will intersect the x-axis when y = 0, so we have
x² - 4x = -3 now solve this quadratic for x...
x² - 4x + 3 = 0
factor...
(x - 3)(x - 1) = 0,
so at x = 1 and x = 3, the function crosses the x-axis
See the graph below
