1,067 Answered Questions for the topic Algebra Help

Algebra Help Algebra

10/27/16

Below are algebraic expressions that have been INCORRECTLY simplified. Explain what the misconception was and then provide the correct simplification.
1. b2 * b5 = b102. 42 * 43= 142+3 = 1453. (x6)3 = x6+3 = X94. (5X)2 = 5X25. (a9/a3) = a9/3 =a36. (45/23) = 25-3 =22And, drum roll please. The biggest algebraic mistake of all time…7. (a+b)2 = a2+b2
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10/25/16

35 T-Shirt order costs 337.50. 56 cost 516. Include shipping and handling. Cost per shirt? Shipping and handling Charge? Linear Equation?
The first order was for 35 T-shirts and it cost $337.50. The second order was for 56 T-shirts and it cost $516. The prices include a standard shipping and handling charge. What is the cost per... more
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10/23/16

Find the discriminant of each quadratic equation then state the number any type of solutions
-v^2 - 6v - 7 = 2
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10/22/16

In your own words, explain why the method of dividing complex numbers works. What property justifies this process?
 In your own words, explain why the method of dividing complex numbers works. What property justifies this process?
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Algebra Help

10/22/16

Can't figure out why sign flips form plus to minus in algebra equation. Equation goes like this:
6=267a - 47b. We have figured out that b = (12 + 47a)/147. So we substitute: 6=267a - 47((12 + 47a)/147). We figure we can multiply both inside numbers by 47 and divide them by 147.... more
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Algebra Help

10/20/16

5 students are missing from a class. That is 1/4 of the class. How many total students. Write the equation
I know the answer is 20 but I can't figure out how to write the equation
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Algebra Help

10/20/16

Algebra help?
Solve a system of equations 2x+5y=1 -3x+y=7
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Algebra Help

10/19/16

Solve each system of inequalities by graphing. x+2y<10, x+2y>9. Both <> have line under them
Solve each system of inequalities by graphing. x+2y<10, x+2y>9. Both <> have line under them
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Algebra Help

10/18/16

Solve by substitution
3y-x=-3 y=-2x+6
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10/18/16

I need help with algebra
I need to solve and express my solution in both set-builder and interval notation -7≤3-2x<15  
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Algebra Help

10/15/16

Dealing with unknown constant within summation.
I want to be able to rearrange the equation so that the constant B is removed form the sine component of the following summation.   Example  (i=1 to n) Σ sin(Bxi)cos(BXi) = 0?   I have all the... more
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10/02/16

explain how the graph of y=4(cube root of (x+2))-5 can be obtained by transforming the graph of y=cube root of x
Need help explaining how to do this, I am not understanding how exactly the transformation can be explained
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09/30/16

I need to know what 1/20 of 2, 15, 30, and 40 are. It has to do with money and finding points on a graph. Thanks
The price of an item with tax is equal to the price of the item plus 1/20 of the price. Write a rule for the price with tax. Write ordered pairs for the price with tax of items that cost $2, $15,... more
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09/30/16

Algebra 2 Word Problem
Fireworks are discharged vertically upward from a height of 4 feet above the ground. Its path is given by, h = -16t2 + 160t + 4, where h is the height of the fireworks in feet and t is time in... more
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09/25/16

explain how many elements are in the range of (f of f)(x) if f(x) defines a constant function over (-infinity,infinity)
I am unsure about how to properly solve this question
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Algebra Help

09/24/16

Very confused
Some states have a single area code for the entire state. To such states have area codes where one is double the other. If the sum of these integers is 1407 find the two area codes.
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Algebra Help

09/18/16

350% of some number is 24.3. What is the number?
It is an collage math algebra problem   
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Algebra Help Algebra Word Problem

09/17/16

Algebra word problem
Janet jogged for 10 miles and then cycled for another 45.5 miles. Her cycling speed was 6 miles per hour faster than her jogging speed. If her total time for jogging and cycling was 4.5 hours at... more
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Algebra Help

09/15/16

Algebra help
The smith family drove to their vacation home in Michigan in 5 hours. The trip home took only 3 hours since they averaged 26 mph more due to light traffic. How fast did they drive each way?
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Algebra Help

09/14/16

25-(3m+1)=6
I need help on solving this equations.  I feel like I have added something I shouldn't have.  I need help getting it solved.  This is my last problem.
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Algebra Help Math Algebra 1 Algebra

09/09/16

Classify the system and give the number of solutions.
{-2y+2x=3 {-5y+5x=12
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Algebra Help Math Algebra 1 Algebra

09/08/16

Solve and classify the given system of linear equations.
{m=4(n+3) {m=n-5
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Algebra Help Algebra Word Problem

09/07/16

Algebra World Problem
The annual interest rate paid for a $12000 simple interest loan was $240 less than the interest paid on a $25000 loan at 1.5% less interest per year. What was the total interest paid on the $25000... more
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09/06/16

Solve the system by the method of your choice
4x=y-8 4x-y=8   a.the solution set is{} b. There are infini many solutions  c.there is no solution
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Algebra Help Slope Intercept Form

08/22/16

Write the slope-intercept form of the equation of the line through the given points - Show Work and Explain
Through: (4,2) and (-3,0)
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