Answer:
(x, y) = (2, -1.5)
Step-by-step explanation:
x + 2y = -1
5x - 4y = 16
<=>
(2)x + (2)2y = (2)(-1)
5x - 4y = 16
<=>
2x + 4y = -2
5x - 4y = 16
<=>
7x = 14
<=>
x = 2
(*)x + 2y = -1
=> 2 + 2y = -1
=> 2y = -3
=> y = -1.5
=> (x, y) = (2, -1.5)
Answer:
58
Step-by-step explanation:
58 would increase the mean since it is much higher than the other numbers, making the data inaccurate
3y
---- -2 =9
4
3y
---- = 11
4
3y = 44
y = 44/3
hope helped
Answer:
y=4
Step-by-step explanation:
x1=4,y1=4,m=0
Equation of a line: y-y1=m(x-x1)
y-4=0(x-4)
y-4=0
y=4
Answer:
s<900 or s>1000
Step-by-step explanation:
