Mathematics

Can you help with pre algebra questions

Find the 8th term in this geometric sequence. 8, 4, 2, 1, ... Find the common ratio for the following geometric sequence. 3, 15, 75, 375, 1875, ... Find the 10th term in the geometric sequence. 25,

Slope Equations Question help.

1. What is the predicted height (in feet ) of a tree that produces 88 pounds of oranges Using the equation p-25 = 40/11(h-5).-I assume p is the variable for pounds? p - 25 = 40/11(h - 5) 88 - 25 = 4

Find the x-intercept and the y-intercept in the line.

Find the x-intercept and the y-intercept in the line. 4y=24-12x Write the equation in slope-intercept form. 2y-6x=-10 Find the slope and y-intercept. y=3x-5 Which equation is for the line that pass

How would i solve this Algebra problem

√(x-5)+3=4-Sqrt(x - 5) + 3 = 4 Sqrt (x - 5) = 4 - 3 = 1 Square both sides x - 5 = 1^(2) x - 5 = 1 x = 1 + 5 x = 6-sqrt(x-5) =4-3 =1 x-5 = 1^2=1 so x=6

Trigonometric Airplane Word Problem

Can someone explain to me how to get the answer for this problem? At 9am, two airplanes leave the airport. Airplane A travels at a bearing of N 53° W at 12 mph. Airplane B travels at a bearing of S 6

How to find m<1? (picture in detail)

http://farm4.static.flickr.com/3543/5738… Im pretty sure m- m

What is the interest rate? (Word Problem)

The formula A=P (1+r)^2 gives the amount A in dollars that P dollars will grow to in 2 years at interest rate r (where r is given as a decimal), using compound interest. What interest rate will cause

Hi there i just have about 4 questions i couldn't solve in math

these questions are word problems related to quadratic equations q1/ the length of a rectangle is one less than twice the width. find the length of the diagonal of the rectangle if the area of the r

Use the quadratic forumla to solve. 0.7x^2=4.2x+0.7

0.7x^2=4.2x+0.7 The answers Im getting are some reallllly big decimals so I dont think Im doing it right. Help please?-Rearrange the terms to get: 0.7x² - 4.2x - 0.7 = 0 Note that we can factor that

HOW DO YOU DO THESE ???? explain please

2d - 8 = -10 4 - m/5 = 18 -35 = 4h + 1 10 = 3 + b/2 -6t + (-4) = 14 explain as much as you can help me with all of them please?-You know,these are simple questions.. D=9,M=70,H=-9,B=14,and T=

Can you explain this proof for the irrationality of the square root of 2

For the proof of the irrationality of the square root of 2, wikipedia states the following: If √2 is rational it has the form m/n for integers m, n not both even. Then m^2 = 2n^2, hence m is even, sa

Write ^3 square root 21^5 using rational exponents->

Im lost at how to write ^3 square root 21^5 using rational exponents. Anyone who can help will get Best Answer :} Thanks!-I assume that the 3 is a little 3 next to the root sign indicating cube root

Algebra Practical Problem. help greatly appreciated

A farmer wants to build a fence along a river. He has 500 feet of fencing and wants to enclose a rectangular pen on three sides (with the river providing the fourth side). If x is the length of the si

What is the radius? (Am I right?)

The area of a circle with radius r is given by the forumular A=πr^2. If a circle has area 144π square inches, what is the radius? I got 12. Is that right?-A=πr^2. i.e. 144pi = pi r^2 or pi is cancelle

How to Avoid Little mistakes in MATH TESTS

I Understand math ... but I always make little mistakes ( like I forget negatives , commas , ... etc) ... which make me to get a B , in the test !!! how can i avoid that ?-Practice the problems again