D 10 just put the value 2 in x
Put it al in a calculater here is a calculater website web2.0calc and tell me what you get and I ill tell you if you are right
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Answer:
the answer is A
Step-by-step explanation:
an isosceles triangle is a triangle with two congruent sides and one not congruent to the others
Have u learned cross multiplication
Brainliest pls!
Let's call the width . Since the length is three more than the width, it is .
The area (which we know to be 70) is given by the multiplication of width and length:
To solve this equation, you can use the usual quadratic formula: given an equation , the two solutions are
which in your case becomes
So, two solutions are
Since we can't accept a negative length, we only accept the second solution.
So, the dimensions are 7 and 10