Mathematics, 19.03.2020 23:59 Zykuko
Prove: If a is any integer and the polynomial f(x) = x 2 + ax + 1 factors (poly mod 9), then there are THREE distinct non-negative integers y less than 9 such that f(y) ≡ 0 (mod 9). Hint: If x 2 +ax+ 1 ≡ (x+b)·(x+c) (mod 9), what can you deduce about b and c? Remark: This problem is very similar to the next problem.
Answers: 2
Mathematics, 21.06.2019 18:30
The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.
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Mathematics, 22.06.2019 00:00
An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.
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Mathematics, 22.06.2019 03:00
Alocal hamburger shop sold a combined total of 601 hamburgers and cheeseburgers on friday. there were 51 more cheeseburgers sold than hamburgers. how many hamburgers were sold on friday? a local hamburger shop sold a combined total of hamburgers and cheeseburgers on friday. there were more cheeseburgers sold than hamburgers. how many hamburgers were sold on friday?
Answers: 1
Mathematics, 22.06.2019 03:30
The area of a square floor on a scale drawing is 64 square centimeters, and the scale drawing is 1 centimeter: 3 ft. what is the area of the actual floor? what is the ratio of the area in the drawing to the actual area? the area of the actual floor is square feet. the ratio of the area in the drawing to the actual area is 1 square centimeter: square feet.
Answers: 3
Prove: If a is any integer and the polynomial f(x) = x 2 + ax + 1 factors (poly mod 9), then there a...
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