First, we must subtract
57
-
26
______
31
Second, we isolate the variable!
X + 0 = 31 - 5
X+0 = 26
X=26
Finally,Plug it in
26 + 5 = 57 - 26
26 + 5 = 31
31 = 31
Check
Hope I helped!
Good Luck!
Answer:
y=1/2x-1
Step-by-step explanation:
Answer:
4 mph
Step-by-step explanation:
The speed downstream is (28 mi)/(2 h) = 14 mph.
The speed upstream is (18 mi)/(3 h) = 6 mph.
The speed of the current is half the difference of these:
(14 mph -6 mph)/2 = 4 mph
_____
The current adds to the downstream speed and subtracts from the upstream speed, so the difference of those speeds is twice the current's speed.
9514 1404 393
Answer:
no
Step-by-step explanation:
A proportion is an equation saying two ratios are equal to each other.
One ratio is not a proportion.
___
It would be a proportion if it were said to equal something:
2/7 = peanuts/popcorn . . . is a proportional expression
Answer:
...............
Step-by-step explanation:
