Some equations have the form y=kx, where k is a number.
1 answer:
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1. The slope intercept form is:
Where is the slope of the line and
is the intercept with the y-axis.
2. To calculate the slope, you can use the following formula:
Where:
3. So:
4. Now you must find . Substitute any of the given points into the equation and solve for
:
5. Therefore, the answer is the last option:
Answer: 1) 5040 and 2) 165
Step-by-step explanation:
1) Here total number of letters = 10
The number of permutations that can be formed using 4 letters at a time
= P (10, 4)
=
=
=
=
= 10 × 9 × 8 × 7
= 5040
2) Here the total number of machine = 11
The different combinations of machines can Geoff choose from to use
=
=
=
=
= 11 × 5 × 3
= 165
keeping in mind that perpendicular lines have negative reciprocal slopes, let's check for the slope of the equation above
therefore then