Step-by-step explanation:
It makes 2x^2-20-206=0
Find D
Then find X1 and X2
Answer:
(a) 0.5km or 500m
(b) 100m
Step-by-step explanation:
(a) 1 hour = 60 minutes
60 minutes = 30km
5 minutes = 30 ÷ 60
= 0.5km = 500m
(b) 1 minute = 500m ÷ 5
= 100m
Answer:
x=3
y=6
Step-by-step explanation:
y= x+3
5x-9 = x+3
4x= 12
x= 3
Y =6
<h2>
Answer:</h2>
<h2>12 miles</h2>
Step-by-step explanation:
Given information :
Mr. Gonzalez drove 30 miles in March. In January, she drove 1/5 as much as in March.
30 ÷ 5 = 6 miles in January
in JanuaryShe drove 2 times as many miles in February as she did in January. In January, she drove 30 miles.
6 x 2 = 12 miles in February
