Answer:
Yes, lines CD & AB are perpendicular
Step-by-step explanation:
AB slope: y = -12/8x + 7
CD slope: y = 6/9x - 6
Once the slopes are simplified:
AB: -3/2
CD: 2/3
Hope this helps!
Answer:
F or H
Step-by-step explanation:
not J because that is negative, not G because that means none, so either H or F. I'm not going to give you the whole answer but another hint is look at the circles are they circled or non circlircled. I eliminated two answers for you.
remember what your teachers saids: what does it mean for the circlies to be colored or blank.
good luck!
The answer is 1000..............
1=x-8
add 8 to both sides
9=x
checking that it works
1=9-8
1=1
so 9=x
Answer:31t 980kg.
Step-by-step explanation: 1 tonne is 1000kg.
so 40 tonnes is 40000kg.
40 t -8 t =32t. Now we have to remove the 20kg, leaving 31t and 980kg.