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pre-calc
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Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work.
x+4
3 answers
asked by
Ciara
481 views
Solve the system of equations using matrices. Use Gaussian elimination with back- substitution.
x+y+z = -5 x-y+3z = -1 4x+y+z =
1 answer
asked by
Ciara
509 views
A statement Sn about the positive integers is given. Write statements Sk and Sk+1, simplifying Sk+1 completely. Show your work.
S
1 answer
asked by
Ciara
1,166 views
Solve the system of equations using matrices. Use Gaussian elimination with back- substitution.
x+y+z = -5 x-y+3z = -1 4x+y+z =
2 answers
asked by
Ciara
536 views
Use mathematical induction to prove that the statement is true for every positive integer n. Show your work.
2 is a factor of n2
2 answers
asked by
Ciara
760 views
convert 5, pi/4 to rectangular coordinates
1 answer
asked by
Anonymous
764 views
how do you factor 3x^-1/2 + 4x^1/2 + x^3/2?
1 answer
asked by
Diana
272 views
A ball is dropped from the top of a 25-m ladder. In each bounce, the ball reaches a vertical height
that is 3/5 the previous
3 answers
asked by
Anonymous
837 views
The radius of the earth is approximately 4,000 miles. The acceleration due to gravity is approximately 32 feet per square
3 answers
asked by
Math
1,023 views
The force, F, between two bodies of mass m1 kilograms and m2 kilograms whose
centers of mass are a distance of r meters apart is
1 answer
asked by
Math
485 views
We use the same polynomials as in the first question. Suppose that 3x^3 + 2x + 1 = (ax^2 + bx + c)(x+2) + d. Then b is equal to:
1 answer
asked by
Math
356 views
Alice walks on a straight line at four miles per hour. Two hours after she begins walking, Bob runs after her at a rate of six
2 answers
asked by
Math
503 views
Alice walks on a straight line at four miles per hour. Two hours after she begins walking, Bob runs after her at a rate of six
1 answer
asked by
Math
481 views
|2x+1| greater than or equal to |x-3|
1 answer
asked by
Math
270 views
Solve for t if 0<t<2pi
Note: both are less than or equal to . Please help!! I am not sure what I should do.
4 answers
asked by
Mary
338 views
You leave $5,000 in an account for 20 years. The account compounds interest yearly at a rate of 10%. To the nearest dollar, how
3 answers
asked by
cool
436 views
Find all the real zeros for the equation p(x)=x^3+4x^2+x-6
1 answer
asked by
Austin
338 views
A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is
2 answers
asked by
cam
613 views
If p(-3) = p(-1) = p(2)= 0 and p(0) =6 find the cubic polynomial
2 answers
asked by
tony
687 views
Find a cubic polynomial if p(0)=0 and p(2)= -4 and p(x) > 0 only if x > 4, find the cubic polynomial.
3 answers
asked by
tony
618 views
A Ferris wheel is 50 meters in diameter and boarded from a platform that is 4 meters above the ground. The six o'clock position
2 answers
asked by
Mike
1,250 views
An auditorium has 24 rows of seats. There are n = 23 seats in the first row, 24 seats in the second row, 25 seats in the third
2 answers
asked by
allison
568 views
A hardware store makes a profit of $41,000 during its first year. The store owner sets a goal of increasing profits by $9000
2 answers
asked by
allison
1,059 views
Find the indicated nth partial sum of the arithmetic sequence.
2, 10, 18, 26, . . ., n = 15
3 answers
asked by
allison
883 views
A dog is attached to a 2121-foot rope fastened to the outside corner of a fenced-in garden that measures 1818 feet by 2323
2 answers
asked by
Al
990 views
What function has 2 vertical asymptotes at x=-3/2 and x=3/2 and a horizontal asymptote at 3/4? I know that the coefficients of
3 answers
asked by
math
347 views
Newton's Law of Cooling.
A roasted turkey is taken from an oven when its temperature has reached 185°F and is placed on a table
3 answers
asked by
Anonymous
965 views
how do I factor 6x^−1/2 + 5x^1/2 + x^3/2? I got x^1/2(5+x/6) and it said i was wrong
1 answer
asked by
lizzy
172 views
how do i solve (2/x)-[4/(x+2)]- [x/(x+2)^2]
1 answer
asked by
lizzy
180 views
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