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I need help with math question

A tax accountant invested 25000 in a money market account for 3 years. The account earned 5% simple interest. How much interest did the accountant make on his investment?-28,750 - 25,000 = 3,750 inter

Help with paragraph proofs

Given: 1 and 2 are supplementary, and 2 and 3 are supplementary. Prove:1 is equal to 3 By the definition of supplementary angles, m1 + m2 = ______ (a) and m2 + m3 = ______ (b). Then m1 + m2 = m2 + m

How exactly do you solve this equation by completing the square: 2x² - 4x - 3 = 0

First, get the value in front of x² by itself by dividing everything by the coefficient before it, yielding: x² - 2x = 3/2 Now you have to add the value of (b/2)² to both sides, where b is the value

Math problem - help!

OK Math Majors:I need to give my teething child some baby tylenol.The dosage chart from the pediatrician says that for Infant Tylenol that has 80mg of acetaminophen in each 0.8 ml, her dosage should b

Differential equations a body mass projected from earth

a body of mass m is projected upward from the earths surface with an initial velocity V0. Take the y-axis to be positive upward, with the origin on the surface of the earth. assuming there is no air r

Help needed Linear Algebra Subsets of R4!! Please really desperate here!!

Which two of the following subsets of R4are closed under the usual operation of multiplication by scalars? Give Proof as well 1- {(a, b, c, d)| ab=0} 2- {(a, b, c, d)| a=1 b=0 c+d=1} 3- {(a, b, c, d

Please help me with EASY MATH again please

hi, i need help how to set this up please... josephine went shopping at the local dress shop. she finds a red dress she likes for $25.00. it was tagged 20% off the original price. how much was the di

Math Help pleaseeeeeeeeeee help 10 points to best

-Ten minutes after Sashas little brother left home for karate class Sasha saw that he had forgotten his karate uniform and she ran after him. If Sasha runs twice as fast as her little brother how long

Find the average value of the function over the rectangle

Find the average value of the function f(x,y)= xy over the rectangle 0 -Since the area of the rectangle is 2 * 3 = 6, the average value equals (1/6) * ∫(x = 0 to 2) ∫(y = 0 to 3) xy dy dx = (1/6) * ∫(

Need help two number verbal words problems for math!

I know you have to turn the problems into one or multi step equations but i forgot how to. need help on these math problems one number is seven times another. the larger number increased by 18 gives a

Solve for x: 10^2x + 3(10^x) - 10 = 0

That would be great if you could show all the steps. Thanks! :D-10^(2x) = (10^x)² Let t = 10^x so t > 0 because 10^x is always greater than 0 t² + 3t - 10 = 0 (t + 5)(t - 2) = 0 t = -5 is not the an

Find y' by applying the product rule

find y(a) by applying the product rule and (b) by multiplying the factors to produce a sum of simpler terms to differentiate. y=(7-x^2)(x^3-5x+3)-A). Y = (7-x^2)*(3x^2-5)+ (x^3-5x+3)(-2x) = (21x^2-35-

Find the first and second derivatives

y=(2x^3+5)/x-y = (2x^3 + 5)/x = 2x^2 + (5 X x^-1) y = 4x - (5/x^2) y = 4 + (10/x^3)

How do i do this algebra 1 problem ://////

its -5/6÷(-20) please help I was gone this day :/--5/6 ÷ -20/1 -5/6 * 1/20 -1/6 * 1/4 = -1/24--5/6 / -20 = 5/(6)(20)= 5/ 1201/24 Astrobuf

Exponential and Logarithmic Models

Can someone explain how to do this step by step. The table shows the population (in millions) of a country in 1997 and the projected population (in millions) for the year 2020. Country19972020 Croati
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