Answer:
The correct option is C, i.e., .
Explanation:
It is given that the total number of students in cafeteria should be less than 264. The administrators want there to be 13 less rows than the number of desks in each row.
Let the number of desks in each row be d.
Since administrators want there to be 13 less rows than the number of desks in each row. So the number of row is d-13.
In one row the number of desks is d. So in (13-d) rows the number of number of desks is d(d-13).
Since the total number of students in cafeteria should be less than 264. So we get,
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Step-by-step explanation:
Y = x + 6
y has to be greater than or equal to 6
x has to be greater than or equal to 0
Answer:
x=-2/k
Step-by-step explanation:
To solve you need to make x on one side while the other variables or numbers on the other.
First, you need to move the 9 to the other side by subtracting 9 from both sides: kx+9-9=7-9
Simplify: kx=-2
Now you need to divide by k into both sides in order to eliminate the k on kx:
x=-2/k
Answer: x=-2/k
Hope this helps!
Answer:
x > 2
Step-by-step explanation:
5x +7 > 17
5x > 10
x > 2
Answer:
Step-by-step explanation:
The equation of a straight line can be represented in the slope intercept form as
y = mx + c
Where
m = slope = (change in the value of y in the y axis) / (change in the value of x in the x axis)
The equation of the given line is
x + 2y = 4
2y = - x + 4
y = -x/2 + 4/2
y = - x/2 + 2
Comparing with the slope intercept form, slope = - 1/2
If two lines are perpendicular, it means that the slope of one line is the negative reciprocal of the slope of the given line.
Therefore, the slope of the line passing through (- 2, 1) is 2
To determine the intercept, we would substitute m = 2, x = - 2 and y = 1 into y = mx + c. It becomes
1 = 2 × - 2 + c = - 4 + c
c = 1 + 4 = 5
The equation becomes
y = 2x + 5
