A few days ago
Help with my math test….PLEASE?
I need help with the following questions. I am terrible at math and I want to check my answers. I NEED a good grade on this test!!
1) If you subtract 13 times a number from 3 times its square, the result is 10. Translate into an equations and solve.
2)A photograph is 7in long & 5in wide. It is surrounded by a border of uniform width. If the area of the border is 64 sq in, what is the width of the border?
3) Factor this completely: a*2 + 14ab + 45b*2
(the * means the next number is the exponent)
4) Facotr completely: x*3 + 64
Factor completely: 5x*4 + 18x*2 + 9
THANK YOU FOR ANY AND ALL HELP!!
Top 2 Answers
A few days ago
Favorite Answer
Give the answers you got so I know you are not just asking for answers and cheating
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A few days ago
1) Your answer, but need to solve: (3n)^2 -13 =10
2) Dunno
3)Your answer: (a+5b)(a+9b)
4) Answer: (x+4)(x^2-4x+16)
Factor completely: 5x*4 + 18x*2 + 9
Answer: (5x^2+3)(x^2+3)
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