6,938 Answered Questions for the topic mathematics

05/01/22

Quadratic Translations
how do you solve the question if the parent parabola is y=x2, has been reflected in the x-axis, vertically stretched by a factor of 5, translated 2 units to the left and 1 unit up. and then change... more
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Mathematics Math Calculus Maths

05/01/22

Consider the integral ∫3x^2 sin⁡x^3 dx. What substitution should we make to make this integral?
Consider the integral ∫3x2 sin⁡x3 dx. What substitution should we make to make this integral?A. u = 3x2B. u = sinxC. u = x2D. u = x3∫ exdx =ex /ln e +Ca.Trueb.FalseIf we use integration by parts on... more
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Mathematics Math Algebra 1 Algebra

04/29/22

Identify the average rate of change over the interval [-2,-1]
Identify the average rate of change over the interval [-2,-1]
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Mathematics

04/29/22

I need help on this question for homework.
You're a player in a video game and have the option to choose from 7 character options (elf, dwarf, human, ranger, wizard, mage, sorcerer) and 4 weapons options (axe, shield, spear, staff).What is... more
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Mathematics

04/29/22

Given f(x) = x + 3 and g(x) = 5x - 2 Find f [g(- 3)]
Given f(x) = x + 3 and g(x) = 5x - 2 Find f [g(- 3)]
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04/29/22

Complete the following quadratic equation...a) state the other five trigonometric ratios as fractions.
Given a) state the other five trigonometric ratios as fractions.b) determine the value of  to the nearest degree.
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04/28/22

BBBASICSTAT8 6.2.501.XP
In the binomial probability distribution, let the number of trials be n = 3, and let the probability of success be p = 0.4012. Use a calculator to compute the following.(a) The probability... more
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04/28/22

BBBASICSTAT8 6.2.018
The one-time fling! Have you ever purchased an article of clothing (dress, sports jacket, etc.), worn the item once to a party, and then returned the purchase? This is called a one-time fling.... more
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04/28/22

BBBASICSTAT8 6.2.019.MI
Sociologists say that 95% of married women claim that their husband's mother is the biggest bone of contention in their marriages (sex and money are lower-rated areas of contention). Suppose... more
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Mathematics Algebra 1

04/27/22

A gym charges its customers an initial membership fee, plus an hourly fee. The graph shows the cost of using the gym.
A gym charges its customers an initial membership fee, plus an hourly fee. The graph shows the cost of using the gym.Part A: What is the initial fee charged to customers for using the gym? What is... 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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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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Mathematics Algebra 1 Algebra

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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Mathematics Economics Algebra

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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Mathematics Math Calculus

04/27/22

spherical triple integral to find the volume

Le‎t G3 be the s‎ol‎id in the f‎irst oct‎ant bound‎ed ab‎‎ove by the sph‎ere x2 + y2 + (z − 2)2 = 4 and bel‎ow by the c‎o‎ne z = √(x2 + y2). U‎se a spher‎ical tr‎iple integr‎al to fin‎‎d the... more
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Mathematics Math Calculus

04/27/22

Cyli‎ndrical Co‎ordinates.
L‎et G2 is the so‎lid bel‎ow the para‎boloid z = 8 − x2 − y2 , ab‎ove th‎e paraboloid z = x2 + y2 and outs‎ide the cylind‎er x2 + y2= 1. Evaluate‎ ∫∫∫G2 1 /√(x2 + y2) dV usi‎ng cyli‎ndrical... more
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Mathematics Math Calculus Calc

04/27/22

Given that f(x, y)...
Given that f(x, y) = { (xy) / (x2 + y2) if (x, y) ≠ (0, 0) 0 if (x, y) = (0, 0)Is f(x, y) continuous at (0, 0)? Explain.
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Mathematics Math Calculus Calc

04/27/22

Evaluate the expression...
Evaluate. ∫∫r cos(x + 2y) dA where {(x, y) : 0 ≤ x ≤ π, 0 ≤ y ≤ π/2}
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Mathematics Math Calculus Calc

04/27/22

Find the linear approximation of the function f(x, y) = ln(x - 3y) at point (7, 2)
Find the linear approximation of the function f(x, y) = ln(x - 3y) at point (7, 2)
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Mathematics Math Calculus

04/26/22

Calculus help :)
Water flows into and out of a storage tank. A graph of the rate of change r(t) of the volume of water in the tank, in liters per day, is shown.If the amount of water in the tank at time t =... more
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Mathematics Math Trigonometry Trig

04/25/22

Rewrite the complex number 8 ( cos 2.5 + i sin 2.5 ) in a + b i form
My struggle has been that I cannot understand how to find the exact value of cos and sin and the decimal I get from my calculator doesn't register as correct when I punch it in. If you could also... more
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Mathematics Maths

04/25/22

Finding the equation for the area (A) of a rectangle in terms of x
I have been given a rectangle, I know the area, width, and height of the rectangle but the question asks me to find the equation of the area (A) of this given rectangle in terms of x. How would I... more
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Mathematics Math Algebra 2 Algebra

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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