3,669 Answered Questions for the topic College Algebra

3h

#### 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...
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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....
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3d

#### We are drawing two cards without replacement from a standard 52-card deck. Find the probability that we draw at least one face card .

Type as an integer or a simplified fraction

#### HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!

1) Suppose you invest money in two accounts. One of the accounts pays 4% interest annually, and the other account pays 5% interest annually. You have $ 2000 more invested in the account paying 4%...
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College Algebra

5d

#### If the annual income from the investments is $ 6340 , how much was invested in each account?

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....
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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...
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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...
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7d

#### 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 + ___ ...
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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

#### Use an inverse matrix to solve (if possible) the system of linear equations. (If there is no solution, enter NO SOLUTION. If the system is dependent, set y = a and solve for x in terms of a.)

5/6x - y = -184/3x - 7/2y = -44(x,y) = _____

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) =...
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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...
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#### 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

11d

#### license plates in a particular state display 2 letters followed by 3 numbers. how many different license plates can be manufactured for this state?

#### 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....
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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 = _____ _____ _____ _____ _____ _____

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 = _____ _____ _____ _____ _____ _____

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