7,188 Answered Questions for the topic Math Help

Math Help

09/24/18

A salesperson earns a salary of $50,000 per year plus 5% commission on sales of $300,000. What is his total income?
 I'm not sure what to do here. 
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Math Help

09/24/18

What does convert mean
Convert the number of minutes on this table to the seconds.
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Math Help

09/24/18

Amount of flour and eggs needed forw 1 batch of cookies
Need help with math homework
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09/24/18

Please help and explain
Rajan bought 5 copies of a book to give as gifts. The book was on sale for $5 off the original price. The total that Rajan spent on 5 books was $2 more than he would have spent on 4 copies of the... more
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Math Help Math Word Problem

09/24/18

Can someone help me with this math problem?
Rajan bought 5 copies of a book to give as gifts. The book was on sale for $5 off the original price. The total that Rajan spent on 5 books was $2 more than he would have spent on 4 copies of the... more
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Math Help

09/24/18

A square has an area of 90, and its perimeter could be found by evaluating the expression: 4 square route 90. What is the perimeter of the square?
Answer as a decimal.
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09/24/18

Mari and jen each work 20 hours a week at different jobs. Mari earns twice as much as Jen. Together they earn $480. How much does girl earn in a week?
Please explain your answer and the expression you would use and the answer
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Math Help Math Calculus Physics

09/23/18

If a ball is thrown straight up into the air with an initial velocity of 60 ft/s...?
If a ball is thrown straight up into the air with an initial velocity of 60 ft/s, its height in feet after t seconds is given by y=60t−16t^2. Find the average velocity for the time period beginning... more
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Math Help

09/23/18

A pop concert sells lower level tickets for $81 and upper level tickets for $64. On the opening night 7517 tickets were sold for a total $528790.
A pop concert sells lower level tickets for $81 and upper level tickets for $64. On the opening night 7517 tickets were sold for a total $528790.
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Math Help

09/23/18

a mathematics competition consists of 30 multiple choice questions. a correct answer is worth 4 points, while a wrong answer loses 1 point.
 Al answered every question and scored 55 points. what would be the linear system that represents this 
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Math Help

09/23/18

al and bob won $2000 in a television game show. if bob received twice as much as al less $100.
 this needs to be shown as a linear system and dose not have to be solved. 
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09/23/18

I am thinking of a number. If you take half of my number and then add 22, you will get 6 times my number. What is my number?
Help me please!!
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Math Help Math Algebra 1

09/23/18

The sum of two consecutive even integers is 166. What is the largest integer?
Can anyone help me ?
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Math Help

09/23/18

1.00 x ten to the -14/ 3.89 x ten to the -3 =?
1.00 x 10-14 / 3.89 x 10-3 = 2.57 x 10-12.   My answer is 2.57 x 10-18..    How is other correct??
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09/23/18

A cable of a suspension bridge
A cable of a suspension bridge hangs in the form of a parabola when the load is uniformly distributed horizontally. The distance between two towers is 150 meters, the point on the cable on the... more
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Math Help

09/22/18

Consider the two functions given​ below: identify the domain of (g o f)
f(x)=sqrt(x+5 ), g(x)=(1)/(x-9)
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09/22/18

Perpendicular lines 2 questions
through (-1,5) and parallel to the line x - 3y -7 = 0Find the equation of the line 2x-3y-1 = 0 and through the midpoint of (1,3) and (-1,9)
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Math Help

09/21/18

find the equation of the linear function g going through (-17,-18) and (2,11)
How would you solve this? I am confused on how to do this?
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09/21/18

Finding the inverse
If f(x)=ln(9x+b), find f^−1(x) in terms of b.
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Math Help

09/21/18

Positive integer whose factors equals 28 but only odd numbers
Positive integer whose factors equals 28 that the numbers are only odd numbers is there any?
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Math Help Math

09/21/18

Formula for realestate math
If mr. X lot has 65 front feet and contains the 150 square feet how deep is it?  What is the formula please. 
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Math Help

09/21/18

Realestate math
Approximately how many acres are there in a farm that measures 470 ft. long the road and 556 ft. In depth?
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09/21/18

exponential equation identification
Find the exponential function f(x)=Ca^x whose graph goes through the points (0,2) and (3,16). a=  C=   
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09/21/18

finding the inverse functions?
Part A: If f is one-to-one and f(6)=9, then f^−1(9)= ??? and (f(6))^−1= ??? Part B: If g is one-to-one and g(7)=11, then g^−1(11) = ??? and (g(7))^−1 = ???   Not really sure how to do this;... more
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09/21/18

Finding the inverse?
If f(x)=(A+Bx)/(20+4x), with B≠0, compute f^−1(x) and f^−1(−9) in terms of A and B.
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