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Questions Answered

jenni_fowler:
find the roots of 2x^25x+1=0
 updated one year ago
 34 replies
 1 Medal
Mathematics

inflatablesteez:
In the equation y = 2x2  5x  7, which of the following is a
value of x when y = 0?
the answer choices are.
…
 updated 2 years ago
 13 replies
 No Medals Yet
Mathematics

ericbob:
What is the solution of the system? Use elimination. 3x – 4y = 9 –3x + 2y = 9
A. (3, 9)
…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

ericbob:
What is the solution of the system? Use elimination. 3x – 4y = 9 –3x + 2y = 9
 updated 2 years ago
 7 replies
 No Medals Yet
Mathematics

student890:
A number, n, divided by 7 is onehalf the sum of n and 14. Which equation shows this?
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

Dede:
Solve
w^2=543w
 updated 2 years ago
 1 reply
 1 Medal
Mathematics

student890:
What is the slope of the line that is represented by the equation y = 4x + one half?
one half
…
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

amymsmith2121:
Write the equation of the line that is tangent to the circle x^2 + y^2 = 100 at the point (8, 6).
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

RedRum92:
What is the equation of the line which passes through (2, –3) and is perpendicular to y = 4x + 7 in standard form.
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

RedRum92:
What equation of the line which passes through (–4, 2) and is parallel to y = –x + 6 in slopeintercept form.
 updated 2 years ago
 2 replies
 3 Medals
Mathematics

brandon25:
Find the next term in this arithmetic sequence: 3, 5, 7, ___
 updated 2 years ago
 4 replies
 No Medals Yet
Mathematics

alexisalyssa:
simplify radical expressions
 updated 2 years ago
 6 replies
 No Medals Yet
Mathematics

brandon25:
Solve the following proportion: 12 over y equals 8 over 50
 updated 2 years ago
 2 replies
 2 Medals
Mathematics

brandon25:
Solve the following proportion: 3 over x equals 75 over 100
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

RedRum92:
what equation of the line passes through (2, 1) and is perpendicular to x = –2
 updated 2 years ago
 1 reply
 1 Medal
Mathematics

cashmereonly:
write an equation that passes through these points
(2,2) ,(5,5) plz help me
 updated 2 years ago
 5 replies
 1 Medal
Mathematics

AllisonBrett:
If x is the geometric mean between q and r, solve x in terms of q and r.
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

yomamabf:
Find an equation of the line having the given slope and containing the given point. m=3/4, (7,9)
 updated 2 years ago
 28 replies
 2 Medals
Mathematics

emma.milward:
Derivative of (1/2)lnx?
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

sammarino91:
If A = {0, 1, 2, 3} and B = {…−3, −2, −1}, what is A ∩ B?
 updated 2 years ago
 8 replies
 2 Medals
Mathematics

Lildaze:
Evaluate:
 updated 2 years ago
 13 replies
 1 Medal
Mathematics

RiyaMoon:
What is the slope of the line through the points (2, 4) and (1, 1)? m = ___
 updated 2 years ago
 5 replies
 No Medals Yet
Mathematics

fortunatefiasco:
My directions say to solve the exponential equation.
81^7x = 9
 updated 2 years ago
 5 replies
 2 Medals
Mathematics

Lildaze:
Evaluate:
 updated 2 years ago
 5 replies
 3 Medals
Mathematics

Chapman.ashley:
Halfangle formula
sin ( pi/8)
Show me the work or give me the formula please
 updated 2 years ago
 1 reply
 1 Medal
Mathematics

liliy:
when is a tree "full" and "complete"
 updated 2 years ago
 2 replies
 2 Medals
Mathematics

brooke17:
(√7  √2)2
…
 updated 2 years ago
 12 replies
 2 Medals
Mathematics

brooke17:
Find the value of k so that point P lies on line L:
P: (k,2); L: 3x + 2y = k
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

brooke17:
Find the slope:
(9,2) and (5,8)
 updated 2 years ago
 4 replies
 No Medals Yet
Mathematics

tana:
Solve:
4x2 + 12x = 0
a) x = 0, 3
…
 updated 2 years ago
 3 replies
 1 Medal
Mathematics
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