1,081 Answered Questions for the topic Equations

02/06/17

You deposit 300$ into an account that earns 4% simple annual interest. What is the balance of the account after 6 years?
You have to find out what two numbers to use to find out the balance of the account
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Equations

02/04/17

Find stamps
John, Mei and Kim collect stamps. John and Mei have 220 stamps more than Kim. Kim and Mei have 140 more stamps than John. John and Kim have 500 stamps. How many stamps does Mei have?
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Equations

02/03/17

Linear equation
Ice CreamThe function C(g)  represents the cost to produce g gallons of chocolate chunk ice cream. Interpret the meaning of the statement: C (625)=162It costs _________$ to produce ___________... more
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Equations

02/03/17

Math Problem
For a long time, the number of teachers at AUB has been about 560 and the average number of years in service has been 17. (1) How many teachers per year are hired at AUB, on average? (2) How many... more
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Equations

02/01/17

I need this one with steps please
x+y+z=1500010x+6y+4z=8200010(1/2x)+6y+4z(1/2z)=470005x+6y+2z=47000
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Equations

01/30/17

can I have this one with steps please because I dont get it
x+y+z=15000 10x+6y+4z=82000 10(1/2x)+6y+4z(1/2z)=47000 5x+6y+2z=47000
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Equations

01/25/17

two angle measures are in the ratio of 5 to 7. the sum of their measures is 216. find the angle measures
i need help solving this word problem
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01/25/17

(WORD PROBLEM) Solving Systems
A bicyclist heads east at 19 km/h. After she has traveled 22.5 kilometers, another cyclist sets out in the same direction going 28 km/h. About how long will it take the second cyclist to catch up... more
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Equations Inequalities

01/18/17

Need an equation or inequality for a word problem
A truck weighs 28,500 lbs.  The total weight limit for the truck is 64,000 lbs. What is the maximum load weight the truck can carry?
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Equations

01/17/17

B received twice as many votes as A, C received 15,000 fewer votes than A if a total of 109,000 votes were cast how many votes did B receive
B received twice as many votes as A, C received 15,000 fewer votes
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Equations Trigonometry Degrees

01/12/17

Trig Equation
Solve the trig equation below. Make sure to give all possible answers. (Any and all angles are in degrees)sin∅ = -1
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01/07/17

How do I write an equation of direct variation using two given coordinate points?
I have two questions on my algebra homework that relate to direct variation and I can't remember how to use it.
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Equations

12/26/16

Need help solving the following system of equations -3/4x+1/2y=5 and 1/5x-1/4y=-1
-3/4x+1/2y=-5 1/5x-1/4y=-1
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Equations

12/26/16

illustrate the ages of a family members using mathematical expression(father =50, mother =49, first child =20, second child =15)
write the illustration in mathematical expression
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Equations

12/26/16

illustrate the age of a family members using mathematical expressions (father =50, mother =49,child =25)
write the age of family members using mathematical expression
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12/19/16

Write the system of equations as an augmented matrix. Then solve for x and y.
-4x-y=-6 -8x-5y=-6
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Equations

12/16/16

help solving this word problem
i need help to solve this word problem; "an airplane can travel 220 miles with the wind speed in the same amount of time it can travel 175 miles against the wind. if the speed of the plane in till... more
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Equations

12/16/16

Math equation
Yolanda's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Yolanda $4.10 per pound, and type B coffee costs $5.50 per pound. This month's blend used four... more
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Equations

12/16/16

Math problem
Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $25 monthly fee and charges an additional $0.15 for each minute of calls. The second... more
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Equations Graphs Decimals

12/14/16

What is Serena's per hour payment?
serena is the manager of the coffee shop. The amount of money she earns is represented by the equation m=12h, where h is the number of hours Serena works, and m is the amount of money she earns.... more
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Equations Math Word Problems

12/13/16

Equations.
The earth is covered by approximately 360 mill km squared of water.  If the total surface area is 510 mill km squared, what percent is water?  Rounded to the nearest tenth of a percent . 
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Equations Word Problem

12/13/16

A Leah had $24 to spend on seven pencils after buying them she had $10 how much did each pencil cost
Need equations   
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Equations Math Accounting Algebra

12/11/16

Selling cell phones
Suppose you are selling phones and want the price of each phone to be $159.00 including asales tax of 6%.   (a) Write an equation representing the statement above.  (b) How much should your... more
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Equations

12/11/16

the line perpendicular to y=7 ,passing through the point (-2,5)
how do I solve
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12/11/16

The base of a triangle is 5cm less than the height. The area is 52cm^2. Find the base and height.
This is to be done by solving equations using the zero product property 
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