Answer the following statement(s) true (T) or false (F)
It was not until near the beginning of the twentieth century that having students produce their own original geometric proofs became a widespread practice.
Ans: True
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Factor the polynomial completely. If a polynomial cannot be factored, state that it is irreducible.x2 + 2xy - 15y2
A. (x - 5y)(x + y) B. (x - 5y)(x + 3y) C. (x + 5y)(x - 3y) D. irreducible
Classify the angle as acute, right, straight or obtuse.
A. straight B. right C. obtuse D. acute
Solve the equation for r.  figure 1.png)
What will be an ideal response?
In a certain laboratory experiment the amount A, in grams, of a radioactive substance remaining after t minutes is given by
.
A: Make a graph of A versus t over the first 60 minutes of the experiment.B: When is there a maximum amount of material present? Round your answer to two decimal places, if necessary.C: What is the maximum amount of material? Round your answer to two decimal places, if necessary.
What will be an ideal response?