Mathematics

A math finance question!!

A family has annual loan payments equaling 58.6% of their annual income. During the year, their loan payments total $13,077.75. What is their annual income? If theres a formula for these type of ques

What is 3 x 3 x 3 x 3 x y in exponential form

3 x 3 x 3 x 3 x y = ?-3 to the 4th power times y-you have four 3s so the is 3^4. IF you were adding the threes then itll be 4*3 you only have one y so that is y^1. answer: 3^4*y.-3^4(y)-3⁴y

Help with Factoring Please

I am stuck on this math problem, can you help? 5(3-4x)^2 - 8(3-4x)(5x-1) thanks:)-5(3-4x)^2 - 8(3-4x)(5x-1) --- factor out a (3-4x) (3-4x)(5(3-4x) - 8(5x-1)) --- distributive property (3-4x)(15-20x -

22.5625 as a whole number or mixed number or proper fraction

I need this number converted into a whole mixed number or a proper fraction, please help.-22 and 5625/10000 = 22 and 225/400+ 22 and 9/16or 361/16-Improper Fraction: 361/16 Mixed Fraction: 22and9/16-2

In right triangle ABC, segment AD is an altitude to the hypotenuse, CD=9, and DB=4. Find AC

please show all work-So the right triangle has angle A = 90 degree. BC = BD + DC = 13.By properties of the right triangle AC^2 = BC*CD AC = sqrt(13*9) AC = 3sqrt(13)

The planet Venus has a diameter of 1.2 x 104 km. Mars has a diameter of 6.79 x 103 km.

The planet Venus has a diameter of 1.2 x 104 km. Mars has a diameter of 6.79 x 103 km. How many times larger is Venus’ diameter than Mars’?-1.2×10^4=12000 6.79×10^3=6790 12000/6790≈1.77 Venus diamet

Inextensible string question - Force and Tension - Applied Maths

A light inextensible string has one end, A, attached to a fixed point and the other end, B to a small, smooth ring of negligible weight. Another string, CBD, has one end attached to a fixed point C on

How to find Cartesian equation!!!!

find cartesian equation for a curve that contains the parametrized curve. x= 5 cos t ; y= 2 sin t, 0 _ I know your supposed to use x^2 + y^2 but where do i go from there???-x = 5cost x/5 = cost y = 2

Can someone solve this math problem please!?!?!?!

19+3 ( (8+3) -9÷3)-Evaluate the expression in the innermost parentheses: 19 + 3((8 + 3) - 9 ÷ 3) = 19 + 3(11 - 9 ÷ 3) Evaluate the expression in the remaining parentheses. Division first: 19 + 3(11 -

What are the six (complex) solutions to y=64

clearly 2 and -2 are 2 of the six-I am assuming you want the six complex solutions to: y^6 = 64. Note that the solutions for y are the six sixth roots of 64. To find the sixth roots of 64, re-write 6

Find the distance between the two ships

A plane is flying at an elevation of 35000 ft. The angles of depression to the two ships are 40 degrees and 52 degrees.-Draw the picture. 35000 ft is the opposite of each angle. The horizontal distan

Anyone good at math????

I am prepping for a college placement test tomorrow and its been several years since I took or even looked at math and I am stuck on figuring out how to work a few problems. I have the questions and a

How do you integrate(x^2/sqr(4-x^2)

∫x²/√(4 - x²) dx x = 2*sin(t) dx = 2*cos(t) dt ∫(4*sin²(t))(2*cos(t) dt)/2*cos(t) 2*∫(1 - cos(2t)) dt 2[t - sin(t)*cos(t)] + C 2t - 2*sin(t)*cos(t) +C 2*arcsin(x/2) - 2*(x/2)(√(4 - x²))/2 + C

Find all solutions of this equation

cos(^2)x-cosx-2=0-(cos(x) - 2) * (cos(x) + 1) = 0 cos(x) = -1 , 2 cos(x) cannot equal 2 cos(x) = -1 x = pi + 2 * pi * k-Let use substitution: let a = cos(x) So cos(^2)x-cosx-2=0 becomes a^2 - a - 2

Is (-1)^(2n) * (1 / n) an alternating series

my textbook says that an alternating series is a series whose terms are alternatively positive and negative, but this video (link below), says that its a alternating series. http://www.youtube.com/wa