19,133 Answered Questions for the topic Algebra

Algebra

04/27/22

72 decreased by twice Malik’s age use the variable m to represent Malik’s age

Translate this phrase into an algebraic expression
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04/27/22

Assuming annual interest rates of 3.6%
Assuming annual interest rates of 3.6% a) find the present value of a £700,000 payment you would receive in 7 years’ time. b) find the future value in 7 years’ time of £50,000 received now. Round... more
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04/27/22

3. What characterises the point of maximum on a Total Revenue graph?
3. What characterises the point of maximum on a Total Revenue graph? Select one. (a) the point where the second derivative is positive (b) the point where the gradient is parallel to the vertical... more
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04/27/22

A firm faces demand given by the demand function 𝑃 = −4𝑄 + 220 and the firm’s total costs are modelled by 𝑇𝐶 = 4𝑄*2+ 20Q − 12 .

A firm faces demand given by the demand function 𝑃 = −4𝑄 + 220 and the firm’s total costs are modelled by 𝑇𝐶 = 4𝑄2+ 20Q − 12 . a)What is the firm’s average cost function? b)What is the firm’s total... more
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04/27/22

Rearrange the equation to make Q the subject: P=16-4Q
Rearrange the equation to make Q the subject: P=16-4Q
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04/27/22

What characterises the point of maximum on a Total Revenue graph?

What characterises the point of maximum on a Total Revenue graph? (a) the point where the second derivative is positive (b) the point where the gradient is parallel to the vertical (upright) axis... more
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04/27/22

Your firm’s average cost curve is given as 𝐴𝐶 = 2𝑄*2 − 8𝑄 + 26
Your firm’s average cost curve is given as 𝐴𝐶 = 2𝑄2 − 8𝑄 + 26a) Differenciate this average cost functionb) You have been asked to advise the company on minimising costs. Using your answer to the... more
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Algebra Math Fractions

04/27/22

Partial fraction
Express the following as partial fractions(2x2 + x - 5)/(x - 4)I don't see any tutorial on YouTube with non quadratic functions as the denominator. Please help with this question.
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04/26/22

Use the discriminant to determine the number of solutions of each quadratic equation.
6x^2-2x+4=0I need a benchmark answer and possibly a demonstration on how an answer would be achieved
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Algebra

04/26/22

arithmetic sequence
A collection of building blocks is set up into 51 rows. The first row has 124 blocks, and each row after that one has 4 more blocks than the preceding row. How many total blocks are there in the... more
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Algebra

04/26/22

Functions with money
Athena starts a new job. She has $40 in her bank account and decides to add $10 to the account at the end of each week of work, where w represents the number of weeks she works. Athena does not... more
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04/26/22

Radius of a circle.
Consider a circle centered at (-3,2) of radius 3. a) Draw this circle on the xy-plane and label it carefully. Use your picture to determine the number of solutions to x = −5. b) What point(s) lie... more
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04/26/22

Use the quadratic formula to solve each quadratic equations. If necessary, approximate the solutions to the nearest tenth.

x^2 + 9𝑥 + 14 = 0 I just need a base answer so i can figure out how to answer my following questions :)
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04/26/22

Use the discriminant to determine the number of solutions of each quadratic equation.
6𝑥^2− 2𝑥 + 4 = 0 I came up with two, i just need to verify that i am completing this correctly before i move on and make a fool of myself.
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Algebra Finance

04/25/22

how much additional monthly income would he require from his raise to pay off the credit card in 11 months?

Bobby has a credit card with a current balance of $3,200 and a 15% APR. With his current monthly payment, he will be able to pay off this debt in 16 months. But Bobby just learned that he is... more
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Algebra

04/25/22

I don't understand
The senior classes at High School A and High School B planned separate trips to the local amusement park. The senior class at High School A rented and filled 2 vans and 14 buses with 294 students.... more
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Algebra

04/25/22

length of a square
The area of a square is 16ft^2. Find the length of each side of the square.
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Algebra Math

04/25/22

I don't understand missing terms in algebra
I come across a brief introduction to synthetic division in the book (Algebra I for dummies) anywaysI found out that I have to insert zero in case of missing term so in this example7x^3 + 6x - 8 /... more
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Algebra

04/24/22

Need help. I do not know how to begin
The mass of a radioactive substance follows a continuous exponential decay model. A sample of this radioactive substance has an initial mass of 1193 kg and decreases continuously at a relative rate... more
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04/24/22

A normal distribution has a mean of 16 and a standard deviation of 5. What percent of values are from 16 to 26​?
A normal distribution has a mean of 16 and a standard deviation of 5. What percent of values are from 16 to 26​?
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04/24/22

A normal distribution has a mean of 100 and a standard deviation of 5. Find the probability that a value selected at random is in the following interval. at most 110
A normal distribution has a mean of 100 and a standard deviation of 5. Find the probability that a value selected at random is in the following interval.at most 110
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Algebra

04/24/22

a mixture that contains 12% of a medication to treat an injured bird. How many milliliters of a 16% solution should be mixed with 4 mL of a 4% solution to obtain a solution that is 12% medication?
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04/23/22

maclaurin series
Find the first three nonzero terms in the Maclaurin series of f(x)= tan x.
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04/23/22

Are there power series which diverge everywhere? If so, exhibit one. If not explain why it cannot happen.
Are there power series which diverge everywhere? If so, exhibit one. If not explain why it cannothappen.
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04/23/22

internal of convergence of a power series
Determine the interval of convergence of the power series which is the sum from n=0 to infinityof the terms an=[n(x+2)n]/(3n+1)
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