Answer:
Find other solutions in explanation
x = 250
y = 1750
Step-by-step explanation:
x = cost per copybook
y = cost per pen
2. Sum of the cost of 4 copy books and 3 pen is equal to 7750
3.)
2x+y=2750 - - (1)
4x + 3y = 7750 - - - (2)
From (1)
y = 2750 - 2x
Substitute y = 2750 - 2x into (2)
4x + 3(2750 - 2x) = 7750
4x + 8250 - 6x = 7750
-2x = - 500
x = 500/2
x = 250
y = 2750 - 2(500)
y = 2750 - 1000
y = 1750
Answer:
A property of a function is that it gives one output for an input
if a function gives one output for an input, it is a function and otherwise it is not a function otherwise
here, we can see that we have 2 outputs for the input '6'. therefore, it is NOT a function
Answer:
y = 3/2x -14
Step-by-step explanation:
do the inverse of -2/3 what is 3/2
and now sole the equation of y+8 = 3/2(x-4)
distribute 3/2 ---> y+8 = 3/2x - 8
subtract 8 from both sided getting you y=3/2x-14
Answer:
i think you forgot the rest of the question?
Hello!
To find the interquartile range, subtract the value of the upper quartile from the value of the lower quartile.
33 - 25 = 8
The interquartile range is 8. Hope I helped! :3
