Mathematics, 26.01.2021 20:10 jamaiciaw6
34 times 25 = 100 plus 75 = 175
A student completed the multiplication problem shown on the left. What was done incorrectly?
She made an addition error when adding 100 + 75.
After she multiplied 4 × 20, the two extra tens from
4 × 5 were not added.
She multiplied 3 × 25 instead of 30 × 25.
She made a multiplication error when multiplying
4 × 25.
Answers: 3
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Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x
Answers: 2
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In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2
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Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.
Answers: 1
34 times 25 = 100 plus 75 = 175
A student completed the multiplication problem shown on the left. W...
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