Muneer

Determine an equation in simplified form, for the family of quartic functions with zeros 3 (order 2) and -2±√3

5 years ago

Determine the value of k if 2x+1 is a factor of kx^3+7x^2+kx-3

5 years ago

Find the solution(s) that satisfy both equations: a) x^3 + x^2 -20x <= 20 ||| b) x^3 - 3x^2 - 4x + 12 > 0

5 years ago

Which of the following statements about a polynomial function is false? 1) A polynomial function of degree n has at most n turning points. 2) A polynomial function of degree n may have up to n distinct zeros. 3) A polynomial function of odd degree may hav...

5 years ago

It takes Frank 2 hours longer than Jane to carpet a certain type of room. Together they can carpet that type of room in 1(7/8) hours. How long would it take for Frank to do the job alone?

5 years ago

An airplane has a speed of 400 km/h with no wind. The airplane flies 2140 km with the wind. The airplane can only fly 1860 km against the wind in the same time. If w equals the speed of the wind, make an equation that can be used to find w?

5 years ago

True or False: A horizontal asypmtote and an oblique asymptote have a similar effect on the graph of a rational function Explain how you know.

5 years ago

When the polynomial f(x)=5x^4 + 4x^3 + 3x^2 + Px + Q is divided by x^2 - 1, the remainder is zero. Determine the value of P + Q

5 years ago

Given f(x) = (x+2)/(x+4) and g(x) = (x+2)/(x-2) find when f(x)>=g(x) I've plugged the reciprocals into Desmos, but I'm having difficulty I'm also unsure of what to do with the interval chart.

5 years ago

Explain how you determine the location of a horizontal asypmtote from a rational function

5 years ago

If the central angle of a circle is 70 degrees and the arc length is 10 cm, what is the length of the radius?

5 years ago

A town clock has an hour hand that is 60 cm long. How many cm does the tip of the hand move each second?

5 years ago

State the related acute angle for sin(-π/3) and then find the exact value I am getting 60 degrees, is this correct?

5 years ago

State the related acute angle for sin(-π/3) and then find the exact value I would really appreciate an explanation on how to get the answer

5 years ago

Explain why when you multiply by a number greater than 1 inside the argument of a trigometric function, the period of the function decreases and when you multiply by a number less then one, the period increases

5 years ago

True or False. Where the rate of change of y=sin, x is positive. And when the rate of change y=cos x is negative. Explain how you know

5 years ago

A line extends from the origin to the point (-2,5). What is the angle in radians, relative to the positive x-axis?

5 years ago

What is the function of cos that has an amplitude of 4, a period of 2π, and has a point at (0,2)

5 years ago

What is the vertical and horizontal translation for the function: y=4sin(4.5x - π) + 3

5 years ago

Find θ where 0 <= θ <= 2π for csc θ=(-2/√3) Please answer in radian measure and without decimals, thank you

5 years ago

A Ferris Wheel has a radius of 22 meters and can make a revolution in 82 seconds. Passengers board at the bottom, at a height of 3 m. Write a sinusoidal equation that models a rider's height as a function of time (Use h(t) and t as your dependent and inde...

5 years ago

Question: The sine function has an amplitude of 2, a phase shift of π/6 to the right, a period of 8π, and a vertical translation of 2 units down. Write an equation for the function The function I've made is: y = 2sin (8π(x+π/6))-2 Is it accurately based o...

5 years ago

During the first two rotations, at what time and height does the instantaneous rate of change does the sinusoidal equation ''h = 25 - 22 cos(2π/82 t)'' have the greatest positive value?

5 years ago

Name 10 reasons why the citizens of Zimbabwe are dissatisfied with the current president, Emmerson Mnangagwa. How has the the country's situation remained the same since Mugabe's removal?

5 years ago

Question: State an equivalent Trigonometric Ratio for each of the following a) cos π/16 b) sin 7π/9 c) tan 5π/4 d) sin 11π/6 My (attempted) answers are: a) -cos π/16 b) sin 2π/9 c) tan π/4 d) -sin π/6 Are any of my attempted answers correct?

5 years ago

Evaluate Each Expression: a) 2cos^2 2π/3 - 1 b) cos^2 7π/8 - sin^2 7π/8 c)2sin 11π/12 x cos 11π/12 d) 1 - 2sin^2 π/2

5 years ago

Given sin x=5/13 and 0<= x <= π/2 find: a) sin 2x b) cos 2x c) tan 2x

5 years ago

Solve the following Trigonometric equations, where 0 <= x <= 2π a) sin^2 θ-1 = 0 b) cos2θ=1 c) 4sin^2 θ-3 = 0 d) 2cos^3 - cos θ = 0 e) 4cos^2 θ-4cosθ + 1 = 0

5 years ago

Evaluate each expression: a) ( tan π/12 + tan 7π/4 ) / ( 1 - tan π/12 x tan 7π/4) b) cos π/4 cos π/12 + sin π/4 x sin π/12 c) sin 7π/5 cos π/15 - cos 7π/5 sin π/15

5 years ago

Evaluate the expression: 1) 1 - 2sin^2 π/2

5 years ago

At t = 0 a car is due 2 km north of you heading west moving 13 km/s after 1.5 s. What is the angle in radians between you and the car from where the car was at t = 0?

5 years ago

If k = 2π/45, what is the period?

5 years ago

If the radius of a pizza is 20 cm, what is the central angle in degrees that gives one person 30 cm of crust? Question 5 options: a) 120° b) 35° c) 43° d) 86° I say option a, but my partner disagrees

5 years ago

which of the following is a solution for the equation 1/485 tan^2x=0 a) no solution b) 485 pi c) pi d) pi/2 I'm getting conflicting answers when I try to solve it.

5 years ago

Which of the following statements is true? Question 7 options: a) The domain of a transformed logarithmic function is always {x E R}. b) Vertical and horizontal translations must be performed before horizontal and vertical stretches/compressions. c) A tra...

5 years ago

Which of the following is not a strategy for solving simple exponential equations? Question 12 options: a) Express both sides as powers with a common base and then equate the exponents. b) Divide both sides by the common base and compare the exponents c)...

5 years ago

A Big Mac hamburger from McDonald’s contains 540 Calories. (a) How many kilojoules does a Big Mac contain? (b) For how many hours could the amount of energy in a Big Mac light a 100-watt light bulb? (1 watt = 1 J/s) The answers I got were: a) 2259.36 kJ b...

5 years ago

A newly discovered element consists of 2 isotopes, one with a mass of 9.5 and a relative abundance of 17.2% and another with a mass of 2.2 and a relative abundance of 82.8%. Determine the atomic weight of the new element.

5 years ago

Which of the following sets of compounds DO NOT follow the law of multiple proportions? a) NH3, H2O and NO2 b) NO, NO2 and N2O5 c) CO, CO2 and CH4 d) H2O, CO2 and CH4

5 years ago

A sample of mercury with a mass of 114.0 g was combined with 12.8 g of oxygen gas, and the resulting reaction gave 123.1 g of mercury(II) oxide. How much oxygen was left over after the reaction was complete? The answer I got was 3.7 grams. Am I correct?

5 years ago

A sample of CaCO3 was heated, causing it to form CaO and CO2 gas. Solid CaO remained behind, while the CO2 escaped to the atmosphere. If the CaCO3 weighed 612 g and the CaO weighed 343 g, how many grams of CO2 were formed in the reaction? Is the answer 26...

5 years ago

Question: A student measured 278.44mL of 0.72M HCl solution into a beaker. How many moles of HCl were in the beaker? The answer I got was 0.2005 moles. Am I correct?

5 years ago

In the reaction between aqueous solutions of lead(II) chlorate and sodium iodide, which ions become spectator ions? a) Pb2+ b) ClO3- c) Na+ d) I-

5 years ago

If a medication is labelled 5 mg per 3mL and you want to administer 17 mg, how many mL should you give?

4 years ago

How would you make a 400 mL solution of 0.7 mol/L NaCl from a stock concentrate of 2.0 mol/L

4 years ago

An experimental data is plotted on a log-log paper and a straight line is obtained with slope 7 and y-intercept -2. The function describing this data is in the form of ax^b a = ? x = ?

4 years ago

A Population is modelled by f(x) = 6x^(3/2) + 8x^-3 + 7x where x is the number of years since the population was introduced in the area What is the instantaneous rate of change at x = 7 years?

4 years ago

In the equation y=-cos x+1, What is the amplitude, period, vertical shift, and horizontal shift?

4 years ago

So I factored by grouping and got a) x[(x+5)(x-4)] <= 0 b) (x-2)(x+2)(x-3) > 0 I plugged the numbers into desmos, but I'm still having difficulty understanding what exactly this means

5 years ago

Thank you oobleck, just one more thing: I think you accidentially put the wrong equation, my equation is x^3 + x^2 -20x <= 0, *NOT* x^3 + x^2 -20x - 20. Actually, on closer analysis, I also got my on equation wrong, I put x^3 + x^2 -20x <= 20 when in real...

5 years ago

So a polynomial function has at most n-1 turning points, not n turning points? So that's why #1 is false?

5 years ago

Nevermind I figured out the answer

5 years ago

I'm not sure you mean when you say "what is the sine"

5 years ago

That's what I'm asking about, I'm not sure what the "exact value" is. In fact, I'm not really sure if I've got the right "related acute angle"

5 years ago

Sorry, English is no my first language. That was the wording of the question I was given, I was very confused reading it.

5 years ago

Thank you

5 years ago

Thank you Do you happen to know of any website or online tool hat I can use to test/graph this? I'm a visual learner and that would help a lot

5 years ago

During the first two rotations, at what time and height does the instantaneous rate of change does ''h = 25 - 22 cos(2π/82 t)'' have the greatest positive value?

5 years ago

@Writeacher Thank you for the link. I already have my answers - mostly corruption scandals and poverty - but I was interested to see if anyone had anything particular they know

5 years ago

nvm we figured out it's d)

5 years ago

How would you right the answers so there are enough significant figures?

5 years ago