Leah will purchase a DVD and a CD. Which algebraic expression could Leah use to find the value of these items?
1 answer:
Let the DVD = x
let the CD = y
x+y = cost
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40 is the answer sorry if I’m wrong
Move all terms that don't contain y to the right side and solve.
y = - x/3 + 14/3
Hope this helps! :)
Step-by-step explanation:
base is 12, hypotenuse is 20
so X² is h²-b²
so X=16
Answer:
- 3x-1/4=-5/11
- 11 (3x-1)=4 (5)
- 33x-11=20
- 33x=20+11
- 33x=31
- x=31/33
- x=?
