09/21/20

Given y=x^2+bx+c the vertex is -4.-7. Find the missing coefficients
I was never told how to do this by my teachers.....
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09/19/20

The combustion of butane in oxygen produces carbon dioxide and water. C4H10 + O2 → CO2 + H2O .Find a balanced chemical equation for this reaction.
For the question above use the following instructions :-i)               Form the system of linear equationsii)             Change the augmented matrix to reduced row-echelon form
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09/18/20

System of Equations | How would you solve this problem?
A theater has 1,320 seats. Seats sell for $50 on the floor, $35 in the mezzanine, and $20 in the balcony. The number of seats on the balcony equals the total number of seats in the mezzanine and... more
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09/17/20

Through: (3,5), slope= 5/3
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09/17/20

List three separate real life examples where this concept could be applied
Concept: one common use of an equation with variables on both sides involves situations in which 2 distances are the same, but the rates of travel are different (for example the speed of a car)
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09/16/20

Find the difference quotient and simplify answer.
F(x)=5x-x2Find the difference quotient and simplify answer.
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09/16/20

y= 0.25 x-7 and passes through the point -6, 8
it is geometry i´ve been struggling with this a lot if you could help me get the answer that would be helpful i dont understand this at all
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09/15/20

What is the slope of the data from the table? x 11 15 19 y 2 10 18
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09/14/20

Algebra Question
Echo Engineering builds rectangular settling tanks that include covered tops. Rubber stripping must be placed around the edge of the rectangular settling tank to seal the top covering. Seymour... more
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09/14/20

Perimeter Algebra Question
The perimeter of a rectangle can be represented by 2(2x+20) inches. The length of the rectangle can be represented by (2x+14), and its width can be represented by (4x-10). What are the length: and... more
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09/14/20

Is 3x+y=-2 independent?
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09/14/20

A rectangular floor is 18 feet long and 12 feet wide. What is the area of the floor in square yards?
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09/12/20

Find a point E on CD such that the ratio of CE to CD is 1/8
On the line point C is at -9 and point D is at 7
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09/12/20

Find a point E on CD such that the ratio of CE to CD IS 1/8
Please help me with this question on my geometry quiz
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09/12/20

Find two quadratic functions
Find two quadratic functions, one that opens upward and one that opens downward, whose graphs have the given x-intercepts. (There are many correct answers.)(1, 0), (3, 0)
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09/11/20

Graph the function

s(x)= (x-1) ^1/2 +3 / t(x)= - 1/ (x + 3)^2{ GRAPH THE FUNCTIONS BELOW AND LABEL ANY ASYMPTOTES OR CRITICAL POINTS } Please help and explain/ provide a graph
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09/08/20

Find two positive numbers whose product is a maximum and whose sum of the first number and four times the second is 120
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09/01/20

Knowledge Check
A garden table and a bench cost $ 888 combined . the garden table costs $ 62 less than the bench . What is the cost of the bench?
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08/29/20

You invested $7000 between two accounts paying 4% and 7% annual interest, respectively. If the total interest earned for the year was $400, how much was invested at each rate?
Those are all the details
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08/27/20

Need help solving systems of equations with 3 variables.
Tickets for a concert cost $2 for children, $3 for students, and $4 for adults. Ticket sales totaled $522 and 177 people attended the concert. Twice as many students as adults attended. Find how... more
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08/23/20

Need help with a math problem ASAP! Thanks!!
1. What repeated mathematical operation is represented using exponents? Create an example as part of your explanation. (10 points)2. Why is it that when you have a power to a power situation, why... more
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08/11/20

Write an equation in slope- intercept form for the line with slope -1/3 and y-intercept 9.
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08/05/20

Solving Systems of Equations with Row Operations
x + 2z = 3 2x + y - 3z = 4 3x - 4y + 5z = -12
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08/05/20

Solving Systems of Equations with Row Operations

x + y + z = 3 3x - y - 2z = -4 3x + 4y + 3z = 11
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08/03/20

A tower that is 137 feet tall casts a shadow 171 feet long. Find the angle of elevation of the sun to the nearest degree.
A tower that is 137 feet tall casts a shadow 171 feet long. Find the angle of elevation of the sun to the nearest degree.The angle of elevation is ______ degrees. ​(Round to the nearest​ degree.)
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