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Step-by-step explanation:
9x²+bx+ 100
(3x)²+ bx + 10²
(3x)² + 10² + bx
(3x)² + 10² + bx
This means that Juana's strategy for simplifying the equation is correct. if both sides of the equation are equal to each other, it is correct.
The time that rocket will hit the ground, to the nearest 100th of second is 10.43 seconds
Given the equation representing the height reached by a rocket as:
The rocket will hit the ground when y = 0. Substituting y = 0 into the expression to get x;
On factorizing:
x = 10.43 seconds
Hence the time that rocket will hit the ground, to the nearest 100th of second is 10.43 seconds
Learn more here: brainly.com/question/14479223