20,436 Answered Questions for the topic Algebra

Algebra

04/27/22

what is the value of x and y?
fill in the blanks correctly to complete the sentence.[2 -9 ] [ x+1 -9 ] [8 7] = [ 8 y+1]for the given statements to be true, the value of x must be... more
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04/27/22

Find dy/dx when;
Find dy/dx when;a) y=45-7x-3-18xz-12z1/4+15x1/5b) 𝑦 = −8x2z-5
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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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