Pre-Calculus

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1. Which one of the following formulas correctly expresses
1. Which one of the following formulas correctly expresses this statement: The number x is equal to another number n plus the square root of 3. A. x = 3n2 B. x = n + 32 C. x = n + √3 D. x = √n + 3 2. … read more
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Part 1 of 1 - Lesson 3 Questions 65.0/ 100.0 Points Question
Part 1 of 1 - Lesson 3 Questions 65.0/ 100.0 Points Question 1 of 20 5.0/ 5.0 Points Find the x-intercepts. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each … read more
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Question 1 of 40 2.5 PointsUse Gaussian elimination to find
Question 1 of 40 2.5 Points Use Gaussian elimination to find the complete solution to the following system of equations, or show that none exists. 2w + x - y = 3 w - 3x + 2y = -4 3w + x - 3y + z = 1 w… read more
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Question 1 Solve the following system of equations using matrices.
Question 1 Solve the following system of equations using matrices. Use Gaussian elimination with back substitution or Gauss-Jordan elimination. x + y + z = 4 x - y - z = 0 x - y + z = 2 A. {(3, 1, 0)}… read more
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for Ashok Kumar can you please assist me with this? 1. Solve
for Ashok Kumar can you please assist me with this? 1. Solve the linear system of equations x-3y= -6 A unique solution 6,4 B unique solution 6,-1 C infinitely many solutions t, 8t+7 D no solution 2. S… read more
akch2002
Master's Degree
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You must show your work to receive full credit. If you do not
You must show your work to receive full credit. If you do not show your work, you may earn only partial or no credit at the discretion of the professor. MULTIPLE CHOICE. Choose the one alternative tha… read more
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Question 1: (1 point) Evaluate log3127‾‾‾√4without using
Question 1: (1 point) Evaluate log3127‾‾‾√4without using a calculator. If the answer is not an integer, enter it as a fraction in simplest form. log3127‾‾‾√4 = __________ Question 2: (1 point) Evaluat… read more
Ryan
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(For guru2009 only) 1. 2x-5y=10; for y Y=___ (Use integers
(For guru2009 only) 1. 2x-5y=10; for y Y=___ (Use integers or fractions for any numbers in the expression. Simplify your answer) 2. Retail prices in a department store are obtained by marketing up the… read more
Chirag
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1. One estimate for the ideal body weight is shown below. Use
1. One estimate for the ideal body weight is shown below. Use this information to answer (a). 47 kg + 1.2 kg for each inch over 5 feet (a) Find a linear model for an estimate of the idea weight of a w… read more
Chirag
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I need help with the following problems, I have done many of
I need help with the following problems, I have done many of these over and over, I just do not know the formulas. I was hoping that I can get an answer, and the steps to solve each of the following q… read more
Math-John
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A magazine company had a profit of \$98,000 per year when it
A magazine company had a profit of \$98,000 per year when it had 32,000 subscribers. When it obtained 35,000 subscribers, it had a profit of \$125,500. Assume that the profit P is a linear function of t… read more
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1.Which property of the real numbers is illustrated by the
1.Which property of the real numbers is illustrated by the following statement: 6x + 5x = (6 + 5)x a Commutative property of multiplication b. Associative property of addition c. Associative property … read more
RavinDe
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Can you rewrite what i did wrong? 1. Equation: y=x^2+8x+16 Find: a.
Can you rewrite what i did wrong? 1. Equation: y=x^2+8x+16 Find: a. Vertex: (-4, 0) b. Axis of symmetry: 4 c. Intercepts: (-4, 0), (0, 16) d. Domain: (-∞, -4] or [-4, ∞) e. Range: (-∞, 16] f. Interval… read more
Osbert12
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Sandhya, I need your help with some more math problems. I have
Sandhya, I need your help with some more math problems. I have tried to work this out on my own but I neaver can get it. 1). (y-3)(y-7)=0 y= 2). (x-3)(4x+7)=0 x= 3).c^-16=0 c= 4). r^+13r+30=0 r= 5).3d… read more
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Question 1 of 20 5.0 Points Plot the point (–4, 3) in a
Question 1 of 20 5.0 Points Plot the point (–4, 3) in a rectangular coordinate system. A. 24 B. 25 C. 26 D. 27 Reset Selection Mark for Review What's This? Question 2 of 20 5.0 Points Graph the line 3… read more
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Multiply. Write the result in standard form. (5 - i)(4 +
Multiply. Write the result in standard form. (5 - i)(4 + 3i) A. 11 + 23i B. 23 + 11i C. 20 - 3i D. 9i Question 2 of 20 Subtract. Write the results in standard form. (-8 - 4i) - (-5 - 3i) A. -3 - i B. … read more
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Question 13 of 20 Two trains travel at right angles to each
Question 13 of 20 Two trains travel at right angles to each other after leaving the same train station at the same time. One hour later they are 100 miles apart. If one travels 20 miles per hour faste… read more
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Master's Degree
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7. Select a theta notation from: theta(1), theta(lgn), theta(n),
7. Select a theta notation from: theta(1), theta(lgn), theta(n), theta(nlgn), theta(n^2), theta(n^3), theta(n^4), theta(2^n), theta(n!) In each case justify your selection by first deriving the notati… read more
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