Newest College Algebra Questions | Wyzant Ask An Expert

College Algebra

08/08/19

How long before one plant becomes 20?

1 plant will populate into 20 before the original dies of age.Measurement of time starts at the beginning of the original plants growth cycle.The growth cycle of each plant is 3 time units to reach... more

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College Algebra

08/07/19

Can you explain Fermat's theorem or Fermat's Last Theorem in detail?

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College Algebra Algebra 2 Finance Logarithm

08/05/19

Find the accumulated value of an investment

Find the accumulated value of an investment of $10,000 for 7 years at an interest rate of 4% if the money is a. compounded semiannually ; b. compounded quarterly ; c. compounded monthly ;... more

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College Algebra Algebra 1 Algebra

08/02/19

radioactive isotope leaked into a stream

A certain radioactive isotope has leaked into a small stream. Three hundred days after the leak, 55% of the original amount of the substance remained. Determine thehalf-life of this radioactive... more

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College Algebra Algebra 2

08/01/19

Help solve algebra question

The radioactive substance krypton-85 has a decay rate of 6.3% per year. If you have 50 mg of krypton-85, how much will you have after seven years

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College Algebra Algebra 2

08/01/19

Determine whether the function shown is constant, linear, quadratic or none of these.

The function is m(x)=(13)/(6) I know it is not Linear.

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College Algebra Math Study Skills

07/31/19

x+y=7 y+z=9 z+t=13 what is the value of x+t?

X+Y=7Y+Z=9Z+T=13What is the value of X+T?Please show and explain your answers. This question is from the Clep study guide.

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College Algebra Math Algebra 1 Algebra

07/31/19

How much does a key ring cost? and How much does a wallet cost?

at freemans office supply , richard bought seven keyrings and two wallets for 165$. The same day , dale bought one keyring and five wallets for 99$ how much does a keyring cost? how much does a... more

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College Algebra Algebra 1

07/30/19

I want to know how to find the percentage or increase or decrease

The price of a notebook has dropped to $3.30 today. Yesterday’s price was $3.80. Find the percentage decrease. Round your answer to the nearest 10th of a number

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College Algebra Algebra 2

07/28/19

Math question help please

The hypotenuse of a right triangle is 13 inches. If the long leg is 7 inches longer than the short leg, then find the lengths of the legs using the Pythagorean Theorem

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College Algebra Algebra 2

07/27/19

Could you please help me with this :Pick a Pythagorean Triple and use the Pythagorean Theorem to verify that

A "Pythagorean Triple" is a set of positive integers, a, b and c that fits the rule: a2+ b2= c2.Here is a list of a few Pythagorean Triples: (3, 4, 5) (5, 12, 13) (6, 8, 10) (7, 24, 25) (8, 15,... more

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College Algebra Algebra 2

07/27/19

Could you please help me with this question : explaining your step-by-step approach to solving the problem below

You are moving and need a rental truck. The rental company you have chosen charges a $70/day fee plus $0.20 for every mile you travel. Write a linear equation that expresses the total cost y,... more

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College Algebra Algebra 2

07/24/19

Using Pythagorean theorem and quadratic equations to determine the length of a right triangle

The hypotenuse of a right triangle Is 5ft long. The shorter leg is 1 ft shorter thang the longer leg. Find the lengths of the triangle

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College Algebra Math Algebra 2

07/23/19

simplify this following

simplify the expression 115𝑥𝑥7𝑦𝑦7 23𝑥𝑥9𝑦𝑦6

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College Algebra Algebra 2

07/23/19

Help with math question

The population growth of an animal species is described by F(t)=520 log5(4t+1) Where t is measured in months. Find a population of this species in an area 6 months after the species is introduced.

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College Algebra Algebra 2

07/22/19

Use the row operations to solve the system.

x - y = 1y - z = 0x + z = 1A. The solution set is { _, _, _}(type an exact answer in simplified form. If there are infinitely many solutions, type an expression involving z for each coordinate... more

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College Algebra Math Algebra Mathematics

07/22/19

A bank features a savings account that has an annual percentage rate of r=5.2% with interest compounded quarterly. Marcus deposits $8,500 into the account.

The account balance can be modeled by the exponential formula S(t)=P(1+rn)^nt, where S is the future value, P is the present value, r is the annual percentage rate written as a decimal, n is the... more

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College Algebra Precalculus

07/21/19

Can someone please help me with this Rover program question?

The radius and height differ by 2 meters. The height is greater and the volume is 28.125 cubic meters.What is the length of the radius?

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College Algebra Math Algebra

07/21/19

A bank features a savings account that has an annual percentage rate of r=5.2% with interest compounded quarterly. Marcus deposits $8,500 into the account.

The account balance can be modeled by the exponential formula S(t)=P(1+rn)^nt, where S is the future value, P is the present value, r is the annual percentage rate written as a decimal, n is the... more

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Answers •1

College Algebra Math Algebra 2 Algebra

07/21/19

If 47400 dollars is invested at an interest rate of 7 percent per year, find the value of the investment at the end of 5 years for the following compounding methods, to the nearest cent

(a) Annual: $____ (b) Semiannual: $ ______ (c) Monthly: $ _______ (d) Daily: $______

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College Algebra Math Algebra 2 Algebra

07/21/19

A house was valued at $120,000 in the year 1992. The value appreciated to $160,000 by the year 2007

Use the compund interest formula S=P(1+r)t to answer the following questions. A) What was the annual growth rate between 1992 and 2007? r =____ Round the growth rate to 4 decimal places. B)... more

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College Algebra Math Algebra 2 Algebra

07/21/19

The value of China's exports of automobiles and parts (in billions of dollars) is approximately f(x)=1.8208e^.3387x,

The value of China's exports of automobiles and parts (in billions of dollars) is approximately f(x)=1.8208e^.3387x, where x = 0 corresponds to 1998. In what year did/will the exports reach $7.7... more

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College Algebra Math Algebra 2 Algebra

07/21/19

A computer purchased for $1,650 loses 19% of its value every year.

The computer's value can be modeled by the function v(t)=a⋅bt, where v is the dollar value and t the number of years since purchase. (A) In the exponential model a=____ and b=____ . (B) In how... more

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College Algebra Algebra 2

07/20/19

Use these values and the properties of logarithms to approximate the value.

LogA5=.699 and LogA3=.477 use both or just one to evaluate LogA125=

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College Algebra Algebra 2

07/17/19

Use the given conditions to write an equation for the line in point-slope form and slope-intercept form.

x-intercept: -2 y-intercept: 10 Give point-slope form and slope intercept form

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Answers •2

How long before one plant becomes 20?

Can you explain Fermat's theorem or Fermat's Last Theorem in detail?

Find the accumulated value of an investment

radioactive isotope leaked into a stream

Help solve algebra question

Determine whether the function shown is constant, linear, quadratic or none of these.

x+y=7 y+z=9 z+t=13 what is the value of x+t?

How much does a key ring cost? and How much does a wallet cost?

I want to know how to find the percentage or increase or decrease

Math question help please

Could you please help me with this :Pick a Pythagorean Triple and use the Pythagorean Theorem to verify that

Could you please help me with this question : explaining your step-by-step approach to solving the problem below

Using Pythagorean theorem and quadratic equations to determine the length of a right triangle

simplify this following

Help with math question

Use the row operations to solve the system.

A bank features a savings account that has an annual percentage rate of r=5.2% with interest compounded quarterly. Marcus deposits $8,500 into the account.

Can someone please help me with this Rover program question?

A bank features a savings account that has an annual percentage rate of r=5.2% with interest compounded quarterly. Marcus deposits $8,500 into the account.

If 47400 dollars is invested at an interest rate of 7 percent per year, find the value of the investment at the end of 5 years for the following compounding methods, to the nearest cent

A house was valued at $120,000 in the year 1992. The value appreciated to $160,000 by the year 2007

The value of China's exports of automobiles and parts (in billions of dollars) is approximately f(x)=1.8208e^.3387x,

A computer purchased for $1,650 loses 19% of its value every year.

Use these values and the properties of logarithms to approximate the value.

Use the given conditions to write an equation for the line in point-slope form and slope-intercept form.

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