7,189 Answered Questions for the topic Math Help

Math Help

06/09/17

Number representation and calculations
Add 5748 6058              
Follows • 3
Expert Answers •2
Math Help

06/09/17

Can I really use ALL the candles? I always have one white candle left!!!
2. Bilal is making sets of three candles.He puts a white candle, a silver candle anda gold candle into each set.The candles are sold in packets of different sizes.There are 25 white candles in a... more
Follows • 2
Expert Answers •1
Math Help

06/09/17

Solve the quadratic inequality
2x^2+x-3>0
Follows • 2
Expert Answers •2
Math Help

06/08/17

Convert 473 to base 3
b) Convert FD3 to base ten   e) Convert 101110001 to decimal
Follows • 3
Expert Answers •2
Math Help

06/08/17

math problem
3. A game is played by selecting one bill at random from a bag that contains ten $1 bills, five $2 bills, three $5 bills, one $10 bill and one $100. The player gets to keep the selected bill. There... more
Follows • 2
Expert Answers •1

06/07/17

who is correct and why?
Carla and Mandy are solving the inequality below.–4x ≥ 12   Carla says the solution is x ≤ –3, while Mandy says the solution is x ≥ –3. Which student is correct? What mistakewas made by the other... more
Follows • 2
Expert Answers •1
Math Help

06/06/17

what expressions below have the same value ?
what expressions below have the same value? (i) 8÷4÷2  (ii) 8÷(4÷2) (iii) (8÷4)÷2?
Follows • 2
Expert Answers •1
Math Help

06/04/17

Can you help me?
teams in a math competition consists of six students. In how many ways can the six students be selected to work a problem on the board?
Follows • 2
Expert Answers •1
Math Help Word Problem Help

06/03/17

can you solve this please?
The students in the band are selling entertainment books.They earn $11.25 on each book they sell.Their goal is to earn more than $7000.What is the fewest number they can sell and still reach their... more
Follows • 2
Expert Answers •1
Math Help Word Problem

06/03/17

Can you help me?
Write a system of equations to model this situation.Then use your system to solve.At a garage sale a CD costs three times as much as a book.You bought three books and 2 CDs. You spent $18.What is... more
Follows • 2
Expert Answers •1
Math Help Word Problem Help

06/03/17

Can you help me solve this?
Jennifer is planning to buy a car.The car costs $14,500.She lives in Iowa where the sales tax is 7.2%.What is the total cost for the car?
Follows • 2
Expert Answers •1

06/01/17

Standard deviation
A tile company produces floor tiles that has an average thickness of 55mm, with a standard deviation of 0.6mm. For premium quality floors, the tiles must have a thickness between 54mm and 55mm.... more
Follows • 2
Expert Answers •1

05/31/17

Standard deviation (statistics)
billy has 15 min to get to his after-school job. Despite his best efforts, he is frequently late. His employer says that unless he arrives to work on time consistently, he will lose his job. He has... more
Follows • 3
Expert Answers •2

05/31/17

Find the midpoint of the line segment with the endpoint at (5,9) and (11,15)
I need help please, thanks 
Follows • 2
Expert Answers •1
Math Help Word Problem Help

05/31/17

Could you help me solve these please?
1. 6/x2 - 1 + 7/x - 1   2. Brian rode his bike 2 mi to his friend's house. Brian's bike had a flat tire, so he had to walk home. His walking rate is 25% of his bike rate.   a. Write an... more
Follows • 2
Expert Answers •1
Math Help

05/31/17

Write a two-column proof for the following information. Given: M is the midpoint of CD; CM = 5x – 2; MD = 3x + 2 Prove: x = 2
 I really need help on this problem!
Follows • 4
Expert Answers •3

05/30/17

Z-score and standard deviation
Determine the z- score for the given value  Mean=9.3  standard deviation= 0.4  x=8.8
Follows • 2
Expert Answers •1

05/30/17

Optimization
lite manufactures two types of light: type A is a solar-powered light; type B requires batteries. In one day, the company can make at most 55 of type A and 65 of type B. Type A requires 4 hours to... more
Follows • 2
Expert Answers •1

05/30/17

What is P(soup, beef or fish, and cherry pie)?
The panther den is offering a dinner special during october. For $5.99, you can select an appetizer, an entree, and a dessert. Harry is in charge of the inventory and wants to make sure that they... more
Follows • 2
Expert Answers •1

05/29/17

Who would consume more alcohol if one drinks a 12 pack of 8 fl oz 3.2 or one who drinks a 6 pack of 11.2 fl oz??
I just want to know how you would go about solving this 
Follows • 2
Expert Answers •1
Math Help

05/28/17

Could you help me check this answer?
(x2 - 8x - 9) ÷ (x - 3)  = x + 3 - 8/x - 3
Follows • 2
Expert Answers •1
Math Help

05/28/17

How do I solve this?
(x2 - 14x + 49) ÷ (x - 7) 
Follows • 4
Expert Answers •3

05/28/17

A couple plans to have 5 children. The gender of each child is equally likely. Design a simulation involving 120 trials that you can use to model the genders of
A couple plans to have 5 children. The gender of each child is equally likely. Design a simulation involving 120 trials that you can use to model the genders of the children. Write your answers as... more
Follows • 2
Expert Answers •1
Math Help

05/28/17

Could you help me?
1. 4r3/10 * 25/16r2 2. 4p + 16/5p ÷ p + 4/15p3 3. x2 + 2x - 35/x2 + 4x - 21 * x2 + 3x - 18/x2 + 9x + 18
Follows • 2
Expert Answers •1
Math Help

05/26/17

E=〖mc〗^2 M = 3 C = 6 Solve for E
A tutor responded to my question to this earlier but what was said made no sense and I cannot get this one 
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.