Answer:
7,11
Step-by-step explanation:
The width is x. x+4= the length. The area is side times side, so it’s
x × (x+4) = 77
We can simplify this to:
x × x + x × 4 = 77
x^2 + 4x = 77
x^2 + 4x - 77 = 0 This is a quadratic equation. So we can solve using the quadratic formula:
x =
->


That’s the positive solution and that’s x, the width. So the width is 7 and the length is 7+4=11
The left side will always have 2 more than the right so it will akways be true
Answer:
false
Step-by-step explanation:
Answer:
20. 3
Step-by-step explanation:
23.6 - 2 × 3 ÷ 2 = 23.6 - 3
= 20.3
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