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 spann...
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 w...
Math
adding (1/4x^2-1/6x-3/8)+(1/4x^2-1/4x-1/2)
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)
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