First Play: loses 5 yards ( -5 )
Second Play: loses 15 yards ( -15 )
Third Play: gains 12 yards ( +12 )
-5yd + (- 15yd) + 12yd
= -20yd + 12yd
= -8yd
If you add them straight down:
2d-e = 7
d + e = 5
Then the e's cancel out.
You are left with 3d = 12
Then solve for d by dividing each side by 3.
Now you have d =4.
To solve for e go back into one of your original equations and substitute 4 for the d.
You can use either equation, so I'll choose the second one.
4 + e = 5
Now solve for e by subtracting each side by 4.
Now you have e = 1.
So your solutions are d = 4 and e = 1
Answer:
A
Not very easy to explain online, but its definitely A.
Answer:
They won 10 matches.
Step-by-step explanation:
The ratio is 2 wins to 3 losses.
You can use a proportion.
2 wins is to 3 losses as x wins is to 15 losses.
2/3 = x/15
3x = 2 * 15
3x = 30
x = 10
Answer: 10 wins
Answer:
For y=3x-4
x is -3 |||| y is -13
x is 0 |||| y is -4
x is 1 |||| y is -1
x is 3 |||| y is 5
x is 6 |||| y is 14
For y=-2x+11
x is -3 |||| y is 17
x is 0 |||| y is 11
x is 1 |||| y is 9
x is 3 |||| y is 5
x is 6 |||| y is -1
Step-by-step explanation:
So basically, you just substitute the x in the equations with the number on the left side.
Hope this makes sense! And I hope I wasn't too late!
