1,067 Answered Questions for the topic Algebra Help

11/23/15

question 28
Let T(x)=3x^2-1/6x^2-7. Find the value of T(-2).  T(-2)= __.    help is greatly appreciated, thank you! 
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11/23/15

question 27
Let S(x)=3x-5/3x-4. Evaluate S(300).  S(300)= __.    help is greatly appreciated, thank you!
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11/23/15

question 26
Let S(x)= 9x-4/8x-9. Evaluate S(1).  S(1)= __.    help is greatly appreciated, thank you!
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11/23/15

question 25
Let R(x)=1/x+6. Find the value of R(-300).  R(-300)= __.      help is greatly appreciated, thank you!
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11/23/15

question 24
Let R(x)=1/x+7. Find the value of R(-3).  R(-3)= __.    help is greatly appreciated, thank you!
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Algebra Help

11/22/15

a man is 40 years old and his son is 8 years old. in how many years will the man be 3 times as old as his son will be then?
a man is 40 years old and his son is 8 years old. in how many years will the man be 3 times as old as his son will be then?
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11/21/15

Solving Systems
I'm trying to finish my homework but I keep doing this wrong :/. Can anyone help?   6x-y+3y=7 x+3y-z=1 3x+3y-4z=11
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Algebra Help

11/19/15

Given the function f(x) = -2ex , find f(x) if x = 3.
I need help with this and others algebraic expressions.
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11/19/15

solution set
Solve.  7x^2-20x-3=0 Select the correct choice below and, if necessary, fill the answer box to complete your choice.  A. The solution set is __.  B. There is no solution.    help is greatly... more
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11/19/15

polynomial function
Find all the real and imaginary zeros for the polynomial function.  f(x)=24x^3-32x^2-14x+12 The real and imaginary zeros for the polynomial function are __.  (type an integer or a simplified... more
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11/19/15

real and imaginary zeros
Find all the real and imaginary zeros for the polynomial function.  f(x)=x^2+8x^2+5x-14 What are the real and imaginary zeros of (f)=x^3+8x^2+5x-14?     help is greatly appreciated, thank you!
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11/19/15

possible rational zeros
Use the rational zero theorem to find all possible rational zeros for the polynomial function f(x)=x^3-3x^2-25x-21. What are the possible rational zeros of (f)x=x^3-3x^2-25x-21?     help is... more
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Algebra Help Algebra 2

11/18/15

Substitute x and y into A, B, or C to find z?
A. 5x + 3y + 2z = 2B. 2x + y – z = 5C. x + 4y + 2z = 16Use A and B to eliminate z. A. 5x + 3y + 2z = 2 A. B. [2x + y – z = 5]2 B. . AB. .Use B and C to eliminate z.B. [2x + y – z = 5]2 B.C. x + 4y... more
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Algebra Help Algebra 2

11/17/15

Algebra 2 question, only need an answer
Let f(x)=x^2+2x-3 and let g(x)=2x-1. Then find (g o f)(a)
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11/15/15

question #16
Determine whether the given number is a zero of the polynomial function following the number.  1/2,H(x)=x^3+3x^2-4x+8 Select the correct choice below and fill in the answer box to complete your... more
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11/15/15

question #15
Use synthetic division to decide if the given number is a zero of the polynomial function following the number.  -2, P(m)=2m^4+3m^3-3m^2+3m+10 Is -2 a zero of the polynomial function? _ No  _... more
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11/15/15

question #14
Use synthetic division to decide whether the given number is a zero of the polynomial function. -3;P(x)=3x^3+8x^2-6x-12 Is -3 a zero of the polynomial function P(x)? _ Yes  _ No    help is... more
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11/15/15

question #13
Determine whether the given number is a zero of the polynomial function following it.  -2, w(x)=3x^3+5x^2-5x-6 Is -2 a zero of the polynomial functions, w(x)=3x^3+5x^2-5x-6? _ No _... more
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11/15/15

question #4
Use synthetic division to find the quotient and remainder when the first polynomial is divided by the second. x^4-7,x-1 The quotient is __. The remainder is __.   help is greatly appreciated,... more
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11/12/15

System of Equations
5a - 8b     =4 10a     + 42c =48      16b + 28c = 28
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Algebra Help Algebra 1 Algebra 2

11/11/15

(4*pi*x^3)/3
thank you please, is really important
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Algebra Help Algebra 1 Algebra 2

11/10/15

V=(4*p*r^3)/3
I dont know how to do please help
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11/10/15

initial velocity
If an archer shoots an arrow straight upward with an initial velocity of 128 ft/sec from a height of 6 ft, then its height above the ground in feet at time t in seconds is given by the function... more
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11/09/15

college algebra problem
Flying too fast or slow wastes fuel. For a certain aircraft, miles per pound of fuel M was a function of air speed A in miles per hour, modeled by the formula M = -0.000657A^2+0.127A-5.04.  a... more
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11/09/15

velocity and height
If an archer shoots an arrow straight upward with an initial velocity of 128 ft/sec from a height of 6 ft, then its height above the ground in feet at time t in seconds is given by the function... more
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