Jack's Marbles

Jack has m marbles and the number of marbles that I have is 3 times that of Jack's. If we have a total of 2(m+13) marbles, how many marbles does Jack have?

Height of a Plant

The height of a plant is 21 inches. If its growth rate stays unchanged, it will be twice as tall after 3 years. What is the growth rate of the plant?

There are 81 marbles in a jar. There are half as many blue marbles as red. How many of each?

 How would you find the equation?  What are the independent variables and dependent variables?

Science Math Word Problem

Miguel starts a job working as a biochemist and earns $76,500 a year. He saves 10 percent of his income. After working for one year, he invests what he has saved in an account that pays 2.5 percent... more

12/03/15

What is the slope of the line that passes through the points (-3, -10) and (5, -7)?

What is the slope of the line that passes through the points (-3, -10) and (5, -7)?

Plz!!! Your quadratic function is y = 3x^2 + 12x - 5. What point is the vertex?

Type the point as (x,y), with no spaces.

12/03/15

you have $90 in your savings account and plan to deposit $10 each month. what is the linear equation.

I have to write a linear equation and i have to graph the linear equation that represents that account.

geometric sequence

2,-8,32,-128

12/03/15

application of systems

You split $1500.00 between 2 savings accounts. One pays 4% and the other pays 5%. After 1 year you have earned $69.50. How much was in the 4% account ?

How Would I Solve This ?

3y≤-x+9 Y+2x≤8 Maximum for P=4x+y x≥0,y≥0

what is the shorter and longer dimensions?

A security fence encloses a rectangular area on one side of a park in a city. Three sides of fencing are used, since the fourth side of the area is formed by a building. The enclosed area measures... more

x=5, y=(1/5)x + 7, x=0, y=0. Find all vertices.

 Evaluate the objective function at each vertex to find the maximum value: P = 6x + 7y - 2. For your answer, type the maximum value. Do NOT type the point.

12/01/15

Factor the expression using the GCF. 60-36

I do not get it

12/01/15

How many days to drive

How many hours to drive 1253 miles driving 60 mph

12/01/15

Solve this system using elimination and give your answer as a point: 9x - 8y = -28 and 3x + 4y = 44. Show all your work.

Solve this system using elimination and give your answer as a point: 9x - 8y = -28 and 3x + 4y = 44. Show all your work

12/01/15

pre calc question

The lengths of the sides of a triangular parcel of land are approximately 500 feet, 600 feet, and 950 feet. If land is valued at $2000 per acre (1 acre is 43,560 ft2), what is the value of the... more

12/01/15

Graph the system of constraints: x=5, y=(1/5)x + 7, x=0, y=0.

Find all vertices. Evaluate the objective function at each vertex to find the maximum value: P = 6x + 7y - 2. For your answer, type the maximum value. Do NOT type the point.

substitution method

Solve the system of equations by using the substitution method.   x+10y=46 3x+6y=18

11/30/15

the product of 2 less than a number and 7 more than the number

   Translate the verbal phrase into a mathematical expression. Use x to represent the unknown number.

solve by elimination

{5x-2y=-15{3x+8y=37

11/30/15

A yellow bag contains 3 green marbles and 7 yellow marbles. Find the probability of drawing a green marble, keeping it, and drawing another green marble.

Is my answer key wrong? It says 1/15. But I'm just not seeing how. 

11/30/15

The hypotenuse of a right triangle is 24 feet long. The length of one leg is 22 feet more than the other. Find the lenghts of the legs

The hypotenuse of a right triangle is 24 feet long. The length of one leg is 22 feet more than the other. Find the lenghts of the legs

11/30/15

Multiple choice algebra

The acme class ring company designs and sells two types of rings: the VIP and the SST. The company can produce up to 140 rooms each day, using up to 350 total many hours of labor. It takes 7 man-... more

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