Mathematics

This page lists questions and answers that were posted by visitors named Mathematics.

Questions

The following questions were asked by visitors named Mathematics.

In four years' time, a father will be three times as old as his son. Six years ago, he was seven times as old as his son. How old are they now? Explain your workings. Thanks

For what values of r does the function y = erx Satisfy the equation y'' + 5y' + 6y = 0?

Consider the following function. f(x) = e^(x)/ x^(4) (a) Find the intervals of increase or decrease. (b) Find the intervals of concavity. (c) Find the point of inflection. (If an answer does not exist, enter DNE.) (x, y) =

2/5 of the total population of a village are children. 5/8 of the remaining are women and the rest are men.If there are 90 men in the village, calculate: total population, number of children, number of women

Two Triangles Are Similar.Aside Of One Is 2 units long .the corresponding sides of the other is 5 units long. what is the ratio of a. their perimeters? b. their areas?

Find the smallest number that round's to 800

(3.2×10^3)+(7.8×10^4)

What is the value of a? A=1 What is the value of b? B=-4 What is the value of c? C=4 By using the x^2-4x+4=0

Abox containing 4red,5white&6blue balla ,one ball drawn at random.find neither red nor blue

The forth term of an arithmetic progression is 8 and the sum of the 12th term is 126.find the AP

Spinner containing five equal regions numbered 1 through 5 is spun two times in a row. What a probability that the first spin yields an odd number?

The value of a house appreciates (increases in value) at 8% p.a for 5 years. if its current value is $650000 what was its original value?

3. 7x48 (7x50)-(7x2)=350-14=336 (7x40)+8=288 (7x50)-2=348 (7x40)+(7x8)+7=343 These are the options please answer people

Answers

The following answers were posted by visitors named Mathematics.

Thank you very much Reiny!