Algebra Answers

Scientists are studying the temperature on a distant planet. They find that the surface temperature at one location is 35 Celsius. They also find that the temperature decreases by 3 Celsius for each kilometer you go up from the surface.

a jar has green red and blue marbles the probability of selecting a green marble is is 1/4 the probability of selecting a blue marble is 1/5 what is the probability of selecting a red marble

How to find a and b such that f(a) and f(b) are of opposite sign for given f(X)=x^3-x-1?

solve the following pair of equations for x and y:
y+4x=27
xy+x=40

The elimination process for
6x-5y=-4
x-5y=16 ?

determine the solution to the following systems of equations.
5x-3y=-50
x=-15

What are those two numbers whose sum is 58 and difference is 28?

6400=112.5/100*112.5/100

Murad brought equal numbers of 20-cents and 30-cents stamps. If the total cost of the stamps was $ 10. What was the total number of stamps bought?

A culb has 8 members. if the club wants to form a committee of 4 members, how many different committeee can be found?