Friday
April 29, 2016

# Posts by Jackster

Total # Posts: 30

Math
How do i solve using the elimination method. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140
March 23, 2011

math help
A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer that the height that it reaches on the side of the bridge. Find the horizontal and vertical distances ...
March 22, 2011

math
Find the following product: (y-10)^2
March 13, 2011

Algebra
Find the degree show all work: a^3b^8c^2 - c^22 + a^5c^10
March 10, 2011

algebra
Consider that the age, x, of a unicorn in human equivalent years can be given by the formula f(x) = - 0.001518x4 + 0.067326x3 – 1.4367x2 + 12.46x + 2.914. When a unicorn is 2.5 years old, what is its age in human equivalent years? What about when it is 12 years old?
March 8, 2011

word problem
Bob’s Barber Shop estimates their gross revenue for the second quarter to be given by the polynomial 8x3 – x2 – 2x + 4. The shop estimates their costs for that quarter to be given by x2 – 4x + 7. For the second quarter, find and simplify a polynomial that ...
March 7, 2011

Math
March 6, 2011

Word Problem
Suzie’s flower shop estimates that supplies costs for one month will be given by the polynomial 5x2 + 4x – 7. She estimates that utilities costs for one month is given by 8x + 8. Find and simplify an expression that would estimate Suzie’s total costs for one month.
March 4, 2011

word problem
Participants in a psychology experiment were able to memorize an average of M words in t minutes, where M = −0.001t3 + 0.1t2 Estimate the number of words memorizes after 14min where M=-0.001t^3 +0.1t^2
March 4, 2011

Math
multiply and check (a^2+4)(5a^3-3a-1)
March 3, 2011

Math
March 3, 2011

Math
Express the answer using scientific notation; retain all nonzero decimal places. (1.9 • 10^4) • (8.4 • 10^5)
March 3, 2011

math
Simplify the following quotient of complex numbers into the form a + bi. -8-8i/1+2i
March 2, 2011

math
Simplify the following product of complex numbers. (8 + i) • (-4 – 3i)
March 2, 2011

math
Express the answer using scientific notation; retain all nonzero decimal places. (1.9 • 104) • (8.4 • 105)
March 2, 2011

math
Raise the quantity in parentheses to the indicated exponent, and simplify the resulting expression. Express answers with positive exponents. (-33xy^-1/66x^0y^-3)2
March 2, 2011

Math
(5x ^3)^2(2x^7)
March 2, 2011

Math
Simplify the following expression, and rewrite it in an equivalent form with positive exponents. -14xy / 42x^5y^8
March 1, 2011

Math
Use scientific notation to divide the following two numbers. Express the answer using scientific notation; retain at least three decimal places. 6.2 • 107 / 4.15 • 103
March 1, 2011

Inter algebra
Simplify the following expression, and rewrite it in an equivalent form with positive exponents. (10x-5)-5
March 1, 2011

agebra
simplify -14xy / 42x^5y^8
March 1, 2011

Inter algebra
help, I am stuck on this one. -ã(7c)^2
March 1, 2011

algebra
3X/ X^(-1)
February 28, 2011

algebra
How do i solve these kind of problems? -ã((7c)^2)
February 28, 2011

Algebra
(5x ^3)2(2x^7)
February 28, 2011

college algebra
-ã(7c)^2
February 27, 2011

algebra
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -5x – 7y = 25.5 -2x + 10y = -9
February 21, 2011

algebra
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -3x + 6y = -3 / -6x + 4y = -10
February 21, 2011

math
How do I find the quotient of: 4x^2-9y^2 / 2x+3y
February 3, 2011

algebra 2
Find the quotient: 6x^3 + 5x^2 + 2x +1 / 2x +3
January 24, 2011

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