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douglas12:
Group Title
y varies directly as to x. when
x = 1.5 y = 9. Find y when x = 6
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
Write the equation of direct variation for x = 3, y = 4.
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

douglas12:
Group Title
Which is the standard form of a circle with equation x^2 + 4x + y^2  6y = 3?
A. (x+2)^2+(y+9)^2=16
…
 updated one year ago
 No Medals Yet
Mathematics

douglas12:
Group Title
Solve:
y = 1
…
 updated one year ago
 1 reply
 1 Medal
Mathematics

douglas12:
Group Title
Identify the conic section. If it is a parabola, give the vertex. If it is a circle, give the center and radius. If it is an ellipse or a hy…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
Suppose y varies jointly with x and z, and x = 4 when y = 8 and z = 2.What is the value of x when y = 12 and z = 3?
A. 4
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 updated one year ago
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Mathematics

douglas12:
Group Title
Suppose y varies jointly with x and z, and x = 4 when y = 8 and z = 2.What is the value of x when y = 12 and z = 3?
A. 4
…
 updated one year ago
 No Medals Yet
Mathematics

douglas12:
Group Title
Use natural logarithms to solve the equation. Round to the nearest thousandth.
5e^2x+8=22
…
 updated one year ago
 10 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
The amount of money in an account with continuously compounded interest is given by the formula A = Pe^rt, where P is the principal, r is th…
 updated one year ago
 4 replies
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Mathematics

douglas12:
Group Title
The social and political environment unique to a story’s time and place is its—
A. Tone
…
 updated one year ago
 3 replies
 1 Medal
Mathematics

douglas12:
Group Title
Solve. Check for extraneous solutions.
6x=sqrt24+12x
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 updated one year ago
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Mathematics

douglas12:
Group Title
A cube shaped box has a volume of 512 cubic inches.. Find the length of each side given V=s^3
A. 100
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 updated one year ago
 2 replies
 1 Medal
Mathematics

douglas12:
Group Title
Solve the equation: x^2 + 5x + 22 = 0
A. 0…
 updated one year ago
 8 replies
 4 Medals
Mathematics

douglas12:
Group Title
The graph of g(x)=8x2+ 7x  2 is translated up 7 units to produce the
graph of the function h(x). Which of the following could be h(x)?
…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
If a baseball is dropped from a helicopter 625 feet above ground, then its distance in feet form the ground t seconds later is modeled by 1…
 updated one year ago
 5 replies
 1 Medal
Mathematics

douglas12:
Group Title
Find a quadratic model for the set of values.
x:
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
Determine whether the matrix has an inverse. If an inverse exists, find it.
5 18
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 updated one year ago
 8 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
Solve the system by the method of substitution.
y = 3x + 8
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 updated one year ago
 5 replies
 2 Medals
Mathematics

douglas12:
Group Title
Solve the system by the method of substitution.
2x2yz=14
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 updated one year ago
 3 replies
 1 Medal
Mathematics

douglas12:
Group Title
Consider the exam data below.
Algebra score:
…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

douglas12:
Group Title
Determine whether y varies directly with x. If so, find the constant of variation k.
–7y = –3x
…
 updated one year ago
 7 replies
 1 Medal
Mathematics

douglas12:
Group Title
Use a graphing calculator to find the equation of the line of best fit for the data. Find the value of the correlation coefficient r.
Jim…
 updated one year ago
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Mathematics

douglas12:
Group Title
Determine whether y varies directly with x. If so, find the constant of variation k and write the equation.
x:
…
 updated one year ago
 10 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
Determine whether the following lines are parallel, perpendicular, or the same line.
y=2x and y+3=1/2(x7)
…
 updated one year ago
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Mathematics

douglas12:
Group Title
Find the y – intercept of y = 9x  6
A. 1/3
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 updated one year ago
 3 replies
 1 Medal
Mathematics

douglas12:
Group Title
A car can be rented for $32.95 per day with an additional charge of $0.15 per mile. Write the linear equation representing this scenario.
…
 updated one year ago
 1 reply
 1 Medal
Mathematics

douglas12:
Group Title
y = 5 is a linear equation
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
Determine whether the following lines are parallel, perpendicular, or the same line.
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
Find the domain of f(x)^1 if f(x)=4x8
A. x≠ 1/4
…
 updated one year ago
 1 reply
 1 Medal
Mathematics

douglas12:
Group Title
Given the relation {(7, 3), (6, 1), (4,9), (2, 5)} find the range of its inverse.
A. (1, 3, 5, 9)
…
 updated one year ago
 12 replies
 1 Medal
Mathematics
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