Answer:
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Step-by-step explanation:
Answer:
(-4, 2)
Step-by-step explanation:
Assuming this is a right triangle, we can use the Pythagorean theorem:
Thus x =
Hope that helped!
<span>(5x+9)^2
= (5x)^2 + 2 (5x) (9) + 9^2
= 25x^2 + 90x + 81
hope it helps</span>
Answer:
(2x - 3) years
Step-by-step explanation:
Fitz is x years old.
Let us represent:
Fiona's age = y years old
If Fiona's is 3years younger than twice Fitz's age.
y = 2 × x - 3
y = 2x - 3
Therefore, the expression that describes Fiona's age in terms of x is
(2x - 3)years