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Questions (48)

The following piecewise function gives the tax owed, T(x), by a single taxpayer on a taxable income of x dollars.T(x) = (i)
1. 1 answer
2. 1,015 views
The Fiedler family has up to $130,000 to invest. They decide that they want to have at least $40,000 invested in stable bonds
1. 1 answer
2. 894 views
A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is
1. 0 answers
2. 621 views
Use mathematical induction to prove that the statement is true for every positive integer n. Show your work.2 is a factor of n2
1. 1 answer
2. 576 views
A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is
1. 1 answer
2. 788 views
Use mathematical induction to prove that the statement is true for every positive integer n. Show your work.2 is a factor of n2
1. 0 answers
2. 574 views
Your computer supply store sells two types of laser printers. The first type, A, has a cost of $86 and you make a $45 profit on
1. 0 answers
2. 716 views
Joely's Tea Shop, a store that specializes in tea blends, has available 45 pounds of A grade tea and 70 pounds of B grade tea.
1. 0 answers
2. 759 views
Joely's Tea Shop, a store that specializes in tea blends, has available 45 pounds of A grade tea and 70 pounds of B grade tea.
1. 1 answer
2. 1,254 views
A statement Sn about the positive integers is given. Write statements Sk and Sk+1, simplifying Sk+1 completely. Show your work.S
1. 1 answer
2. 624 views
A statement Sn about the positive integers is given. Write statements Sk and Sk+1, simplifying Sk+1 completely.Sn: 1 + 4 + 7 + .
1. 2 answers
2. 821 views
An ammeter indicates the current for a toaster is 5.0 amps when the toaster is connected to 120-V circuit. How much energy is
1. 5 answers
2. 599 views
Two electrically-charges spheres are suspended from insulated threads a certain distance from each other. There is a certain
1. 2 answers
2. 858 views
A hard-rubber or plastic comb rubbed against wool can often be shown to have a static charge. Why does a metal comb not readily
1. 1 answer
2. 573 views
Suppose the thickness of an oil film on water is just the right thickness for canceling red light. What color will your eye see?
1. 1 answer
2. 459 views
What conditions must exist for a converging lens to produce a real image of an object that is larger than the object itself?
1. 1 answer
2. 782 views
Suppose a piano tuner hears 2 beats/second when listening to the combined sound from the tuning fork and the piano note being
1. 3 answers
2. 1,404 views
A photon of light has a wavelength of about 600 nm (1nm = 1 x 10-9 m). What is the energy of this photon of light? Show all
1. 3 answers
2. 1,468 views
A falling 50-kg skydiver experiences an upward acceleration of 6.2 m/s2 when she opens her parachute. Show (by calculation) how
1. 1 answer
2. 746 views
In three scenarios a truck is towing a boat on a trailer. Using 3 – 4 complete sentences indicate which scenario(s) (if any)
1. 0 answers
2. 553 views
7. An airplane has a gun that fires bullets straight ahead at the speed of 600 miles per hour when tested on the ground while
1. 1 answer
2. 622 views
Cleo and Clare are looking from their balcony to a swimming pool below that is located 15 m horizontally from the bottom of
1. 1 answer
2. 570 views
If a freely falling rock were equipped with a speedometer, by how much would its speed readings increase with each second IF it
1. 0 answers
2. 475 views
Vance is designing a garden in the shape of an isosceles triangle. The base of the garden is 36 feet long. The function y=18 tan
1. 1 answer
2. 1,415 views
Howard is flying a kite and wants to find its angle of elevation. The string on the kite is 32 meters long and the kite is level
1. 1 answer
2. 1,695 views
12. Vance is designing a garden in the shape of an isosceles triangle. The base of the garden is 36 feet long. The function
1. 1 answer
2. 1,891 views
For the function f(x)=x^2-12, find (f o f^-1)(4)
1. 0 answers
2. 345 views
For the function f(x)=x+9, find (f o f^-1)(5)
1. 1 answer
2. 388 views
For the function f(x)=(8-2x)^2, find f^-1. Determine weather f^-1 is a function.
1. 1 answer
2. 2,434 views
What is the inverse of the given function? y=7x^2-3
1. 1 answer
2. 616 views
Let f(x)=x+2 and g(x)=x^2. Find (g o f)(-5)
1. 1 answer
2. 557 views
f(x)=x^2-16 and g(x)=x+4 find f/g and its domain.
1. 1 answer
2. 586 views
Let f(x)=3x-6 ang g(x)=x-2 find f/g and its domain.
1. 5 answers
2. 5,820 views
What are all the real zeros of y=(x-12)^3 -10?
1. 1 answer
2. 1,289 views
What are the real or imaginary solution of the polynomials x^4 -52x^2 +576=0
1. 1 answer
2. 1,229 views
What polynomial has a graph that passes through the given points? (-2,2)(-1,-1)(1,5)(3,67)
1. 1 answer
2. 766 views
Find the solution of the equation.1/2x^2 - x+5=0
1. 1 answer
2. 370 views
The function h=t^2 +95 models the path of a ball is in the air. assuming the boy lives at sea level where h=0 ft, which is a
1. 1 answer
2. 641 views
Graph the relation. Find the domain and range.{(-1,1/2),(-1/2,-1),(3/2,0),(2,3/2)}
1. 1 answer
2. 2,763 views
what inequality represents the sentence below? The product of a number and 5 is no more than 8.
1. 1 answer
2. 743 views
Solve the inequality. Graph the solution.2|x+1/3|<9
1. 1 answer
2. 649 views
To which set of numbers does the number below belong?-14/11
1. 1 answer
2. 813 views
Solve the inequality. Graph the solution set. 2r-9>-6
1. 1 answer
2. 1,279 views
The Kw of water varies with temperature. Calculate the pH of water at 46⁰C with a Kw = 1.219 x 10-14. Show all calculations
1. 1 answer
2. 521 views
If 5.40 kcal of heat is added to 1.00 kg of ice at 0⁰C, how much liquid water at 0⁰C is produced? Show all calculations
1. 1 answer
2. 975 views
When a 2.5 mol of sugar (C12H22O11) are added to a certain amount of water the boiling point is raised by 1 Celsius degree. If
1. 1 answer
2. 710 views
If 5.40 kcal of heat is added to 1.00 kg of ice at 0⁰C, how much liquid water at 0⁰C is produced?
1. 1 answer
2. 771 views
The Kw of water varies with temperature. Calculate the pH of water at 46⁰C with a Kw = 1.219 x 10-14.
1. 1 answer
2. 491 views

Answers (5)

thank you
ok thank you so much, have a great day :)
Thank you, Sir Damon
thank you so much Sir Henry
P=5.0 x 120 P=600 watts P=E/t E=Pt E=600 J/s x 55.0 E=33,000 J thank you so much, Ms. Sue

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