Answer:
just insert the x numbers in the calculation.. so for x = - 3 - > (- 3) / 2 +4 = 2.5
Step-by-step explanation:
x - 2 = y 3
and so on
Answer:
Step-by-step explanation:
let the no of girls be x
ratio of boys to girls=4:7
4/7=16/x
do cross multiplication
7*16=x*4
112=4x
112/4=x
28=x
therefore there are 28 no of girls.
Answer: The answer is d=2x+3(x+1.5)=12
Step-by-step explanation:
Answer:
its B
Step-by-step explanation:
you do 40 over 100 then x over 225
40 x
----- X ------ then you cross multiply then divied 40x225/100=90
100 225
Answer:
y = 2x - 4
Step-by-step explanation:
Given point (1, -2) so x = 1, y = -2
Just plug in and verify
<u>y = x + 5 </u>
<u>y = 2x + 1 </u>
<u>y = 2x - 4 </u>
<u>y = x -2</u>
