2t/5=8t/20 (both numbers multiplied by 4)
t/4=5t/20 (both numbers multiplied by 5)
3=60/20
⇒ 8t/20 - 5t/20= 60/20
3t/20=60/20
⇒3t=60
t=60:3
t=20
I hope you understand !
Answer:
15 presents
Step-by-step explanation:
42 cm / 14 presents = 3 cm / 1
3cm / 1 presents = 45 / 15
Answer:
2
Explanation: A plane contains at least three non-collinear points. If two points lie in a plane, then the line containing them lies in the plane. If two planes intersect, then their intersection is a line.
Answer:
Step-by-step explanation:
y=-3x+5
y=-3(1)+5
y=-3+5
y=2
(1,2)
y=-3x+5
y=-3(2)+5
y=-6+5
y=-1
(2,-1)
y=-3x+5
y=-3(3)+5
y=-15+5
y=-10
(3,-10)
