two trains started a journey at thesame time from two places 300km apart.they travelled towards each other,one train travelling twice as fast as the other. they met 11/2hours after they started. find...
two trains started a journey at thesame time from two places 300km apart.they travelled towards each other,one train travelling twice as fast as the other. they met 11/2hours after they started. find...
A model rocket is launched with an initial upward velocity of 195 ft/s. The rocket's height h (In Feet) after t seconds is given by the following. h=195t-16t2 Find...
12 a^2 = 75
How do I solve an equation with a variable in the denominator
A person dies at 6 am. The temperature of the body and of the room are measured at 37oC and 27oC respectively. Find the equation that models to find the temperature of the body at “t” hours.
equation: y = x³ - 4x² + x + 6
A teacher gave 1 note card to the first student, 1 note card to the second student, 2 note cards to the third student, and 3 note cards to the fourth student. If this pattern continues, write a function...
A taxi driver charges an initial fee of $10.00 plus $5.00 per mile for each ride. How much will he charge for 10 miles? Use the explicit formula.
Write the explicit and recursive formulas for the sequence 6, 10, 14, 18, ... Is the full question.
Simplify: 21y^5-42y^4+49y^3 over 7y^3
-6x-2y=14 x-2y=0
equation: kx2 - 5x +3 = 0
Both the square root of 58 and the square root of 58.01 are irrational numbers. Find a rational number, n, such that the square root of 58 is less than the square root of n which is less than the...
https://s3.amazonaws.com/algebranation/testyourself_uploads/MAFS1/1.007n.png x2 (x+8) (x+6) (x-8) (x-6) x2+48 x2-48 x2+14x+84 x2-14x+84 ...
The profit a company earns every month depends of the amount of product sold, p, for $855 each and the amount spent in rent, utilities and other expenses, which always totals to $6,780. The CEO of...
7^3x * 7 * 7^x-1
4c2+21c+5
Use the properties of logarithms to expand the following expression as much as possible. Simplify any numerical expressions that can be evaluated without a calculator. log2(2x2+8x+8) ...
27,9,3,1 ......
Hailey has begun a fitness program.The first week she ran 3 miles every day. Each week she increases the amount that she ran each day by 12%. in week 10, how many miles does she run each day? round...