3,669 Answered Questions for the topic College Algebra

#### Find y such that the triangle has an area of 12 square units. (Enter your answers as a comma-separated list.)

(−4, 2), (−3, 5), (−1, y)y = _____
College Algebra

1d

#### I found a, how do I find b?

In 2003, 71 deer were introduced into a wildlife refuge area from which the population had previously been hunted to elimination. By 2006, the population had grown to 123 deer. If this population... more
College Algebra Math

2d

#### If the annual income from the investments is $10125 , how much was invested in each account? Maricopa's Success scholarship fund receives a gift of$ 130000. The money is invested in stocks, bonds, and CDs. CDs pay 3.25 % interest, bonds pay 2.1 % interest, and stocks pay 11.2 % interest.... more
College Algebra Math Geometry Sat Math

4d

Maricopa's Success scholarship fund receives a gift of $105000. The money is invested in stocks, bonds, and CDs. CDs pay 5 % interest, bonds pay 5.9 % interest, and stocks pay 8.2 % interest.... more College Algebra Math 5d #### College Math 1314 The supply function and demand function for the sale of a certain type of DVD player are given by S(p)=140e^0.004p and D(p)=490e ^ -0.002p, where S(p) is the number of DVD players that the company... more College Algebra Polynomials Zeros 5d #### Find a fourth-degree polynomial with integer coefficients that has zeros 4i and −1, with −1 a zero of multiplicity 2. Find a fourth-degree polynomial with integer coefficients that has zeros 4i and −1, with −1 a zero of multiplicity 2. College Algebra Precalculus 6d #### Logarithmic Functions An unknown radioactive element decays into non-radioactive substances. In 400 days the radioactivity of a sample decreases by 64 percent.(a) Find the decay constant k. (Round your answer to 5... more #### Show that B is the inverse of A. A = -1/2 -5/4 B = 8 5 1 2 -4 -2To show that B is the inverse of A, we need to show that AB = I = BA.AB = -4 + ___ -5/2 + ___ ... more College Algebra Math Calculus Precalculus 7d #### Use the matrix capabilities of a graphing utility to solve (if possible) the system of linear equations. (Round your answers to two decimal places. If there is no solution, enter NO SOLUTION. 2x + 5y+ w= 15x + 4y + 2z - 2w= -72x - 2y + 5z + w = 2x - 3w = -1(x, y, z, w) = ______ 7d #### Find the complete solution of the system of linear equations. Find the complete solution of the system of linear equations. Express your answer in terms of t where x=x(t), y=y(t), and z=t. { x + 4y - 2z = -3 2x - y + 5z = 12 8x + 5y + 11z = 30 }(x, y, z) =... more College Algebra 9d #### Algebra Question Find C and a so that f(x)=Ca^x satisfies the given equation.Find C and a so that f(x)=Ca^x satisfies the given equation. f(-2) = 25/4, f(2) = 1/100 a = ?C=? College Algebra 9d #### College algebra A ball is thrown in the air from the top of a building. Its height, in meters above ground, as a function of time, in seconds, is given by ℎ(𝑡)=−4.9𝑡2+21𝑡+8. How long does it take to reach maximum... more College Algebra Math Physics 10d #### Rydberg formula question Using the Rydberg formula, find the wavelength of the line in the Balmer series of the hydrogen spectrum for m = 3. The value of Rydberg constant is 1.097 × 107 m–1 and n = 2 for the Balmer series. College Algebra 10d #### Form a polynomial whose zeros and degree are given. Zeros: 5Multiplicity: 1 ; 3, Multiplicity: 2Degree: 3 College Algebra 11d #### Write two functions, f and g, such that ( f o g) (x) =-1/x+1 and such that neither function is identical to (f o g) (x) or x Write two functions f and g, such that (f o g) (x) = - 1/x+1 and such that neither function is identical to (f o g ) (x) or xf(x) =g(x)= College Algebra 11d #### Write two functions, f and g, such that ( f o g) (x) =-1/x+1 and such that neither function to (f o g) (x) or x Write two functions f and g, such that (f o g) (x) = - 1/x+1 and such that neither function is identical to (f o g ) (x) or cF (x) =g(x)= College Algebra Algebra 1 Algebra 2 Algebra 12d #### Stocks, Bonds, and CD Algebra Question Maricopa's Success scholarship fund receives a gift of$ 115000. The money is invested in stocks, bonds, and CDs. CDs pay 2.75 % interest, bonds pay 3.4 % interest, and stocks pay 11.6 % interest.... more
College Algebra Math Calculus Precalculus

13d

#### Solve for X using the matrices below.

2A + 4B = −2XA = 8 -5 and B = 0 7 1 0 2 0 9 -2 -2 -1X = _____ _____ _____ _____ _____ _____﻿
College Algebra Math Calculus Precalculus

14d

#### Solve for X using the matrices below.

2A + 4B = −2XA = 8 -5 and B = 0 7 1 0 2 0 9 -2 -2 -1X = _____ _____ _____ _____ _____ _____﻿

## Still looking for help? Get the right answer, fast.

Get a free answer to a quick problem.
Most questions answered within 4 hours.

#### OR

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.