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

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 ...

math
Find the following product: (y-10)^2

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

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?

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 ...

Math

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.

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

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

Math

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

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

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

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

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

Math
(5x ^3)^2(2x^7)

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

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

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

agebra
simplify -14xy / 42x^5y^8

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

algebra
3X/ X^(-1)

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

Algebra
(5x ^3)2(2x^7)

college algebra
-ã(7c)^2

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

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

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

algebra 2
Find the quotient: 6x^3 + 5x^2 + 2x +1 / 2x +3

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