Use the discriminant to determine the number of real solutions to the quadratic equation 20n² + 40n + 20 = 0.

Q: Let A = {2, 3, 4), B = {3, 4, 5, 6), and suppose the universal set is U = {1, 2, ..., 9). List all…

A: The answer is given below:

Q: Multiply and simplify: (2x - 2)²

A: concept used (a+b)2=(a+b)(a+b)             =a×a+a×b+b×a×b×b               =a2+2ab+b2

Q: Suppose we are expecting a value of 100 units from an instrument used to measure a parameter. Three…

A: We need to find error and precision.

Q: The equation N(t) = 400 1 + 39e-0.9t models the number of people N in a town who have heard a rumor…

A: Given query is to find the limit of the expression.

Q: 2. Completely simplify O(+1), x4, x-4 3(x+4) 2(x-4) O4, x4, x-4 2(x+4) 3 O4), x4, x 2(x-4) −4 3…

A: To simplify the given rational expression

Q: Find the total surface area of a right circular cylinder with a radius of 10.2 in and a height of…

A: See this solution in below.

Q: 5. Completely simplify O 7, x2 x 2(x-7), -7 O(x+2)² 2(x-7), 7 O(x+2)² (x-7), 2 and state any…

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Q: Divide by using synthetic division. (23+8²-6x-9) = (x+2) 2²+ 6x +18+ 2³ +6r²18r+27 O³ +10² +14r + 19…

A: We want to solve the given question, using synthetic division.

Q: Find the indefinite integral. 6-4X X 4x X 6 - 4x 5 5 X X -dx -dx =

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Q: Refer to the Venn diagram below. How many elements are in the set A"? U n(A)= A 26 12 29 B 40 XX +

A: As per Bartleby answering guidelines when multiple question are posted in single picture then the…

Q: Physicians often treat thyroid cancer with a radioactive form of iodine called iodine-131 (1311).…

A: Answer in step 2.

Q: Suppose a designer has a palette of 16 colors to work with, and wants to stripes, all of different…

A: We have to find the total number of ways such that flags can be created

Q: ← Consider the following function of f and real number a (see figure). -1+7.a-7 a Find and graph the…

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Q: Determine whether the graph is even,

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Q: Solve the system using Cramer's Rule. - 3x 2y 4x - 5y = 25 Find the determinant D (denominator). D =…

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Q: 2. On Monday, Patrick bought 10 cups of coffee and 5 doughnuts for his office at a $16.50. On…

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Q: Which of the following is an exponential growth or decay?  1. f(x) = 3^-2x 2. f(x) = (1/e)^x 3.…

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Q: Which rule of inference is the base for the argument below? "I take an umbrella if it rains. I…

A: Given statement  I take umbrella if it rains.

Q: Find the particular antiderivative of the following derivative that satisfies the given condition.…

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Q: Suppose R is the solid bounded by the plane z = 2x, the surface z = x², and the planes y = 0 and y =…

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Q: Given the graph of a degree 5 polynomial below, complete the table of values for either the x-value…

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Q: Suppose that income is a function of age. The following function represents the relation between…

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Q: Write equation an for “A restaurant bill came to $72. included in this is a 10% tip. What was the…

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Q: How to find the Range of rational function f(x) = (2x-3)/(x-2) by hand?

A: Let's find range of rational Function.

Q: Consider the following statement: 0 There do not exist 2 × 2 matrices E, F with rank(E)=rank(F) = 2…

A: The proof is in step 2.

Q: In 2012, the population of a city was 6.83 million. The exponential growth rate was 1.98% per year.…

A: we need to find out the exponential growth function, etc.

Q: (a) The graph of y=f(x) is shown. Draw the graph of y=f( -8 -6 4 -2 6- 4- 2+ -2- 4- =ƒ( ½ x). 6. (b)…

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Q: The remaining mass of 40 grams of a radioactive element whose half life is 40 years is given by the…

A: As per the company guidelines we can solve first question. I hope that the given solution will help…

Q: E. Solve each problem. 1) If 30% of an integer is less than 23.4, find the largest integers for…

A: Note: As per rule I have to solve only first 3 subparts.

Q: Solve the system of equations 3x + 2y = 4 and 5x 2y = 12 using the Addition Method. Ox= -1, y = 3…

A: From the given data, 3x+2y=4.....(i) 5x-2y=12.....(ii)

Q: 12. Simplify the expression as much as possible: 25x³-4x 6x² – 2x-8 6x + 6x³ 25x²-4 (A) (B) (C) (D)…

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Q: What is the solution to the system of equations y = 2x² - 4 and y = 4? (2,4) (√2, 0) and (-√2, 0)…

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Q: Find the value of 1 for the quadrilateral. 143° Add Work Submit Question Xº

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Q: Move the slider k so that the graph of y= 2² gets shifted vertically -2 units. Then type the new…

A: We have to find the new function that formed by shifting the curve by -2 units vertically.

Q: Find two points on the line. 12y + 3x = 5   (x,y)=(0, _____) (x,y)=(1, _____)

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Q: A manufacturer produces two models of toy airplanes. It takes the manufacturer 2 minutes to assemble…

A: Let  x = Number of units of model A produced        y = Number of units of model B produced

Q: You purchase a 4-pound case of Portobello mushrooms for $23.49. The yield percent for mushrooms is…

A: Given You purchase a 4-pound case of Portobello mushrooms for $23.49. The yield percent for…

Q: A line passes through point (1,7) and has a slope of 9. Write an equation in Ax+By=C form for this…

A: this is a question of algebra  here point of line and slope given  we have to find the equation from…

Q: What is the Euclidean inner product for the vectors u = V= 5 6? 4 B and -1

A: u=0-1-2v=564

Q: For the following​ function, one zero is given. Find all other zeros.   ​f(x)=x^3−13x^2+57x−85​; 4−i…

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Q: Determine the slope of the line. + w evd 3 NO H 1 -2 -3 y 2 3

A: To determine the slope of the given line.

Q: A stone is projected vertically upward from a platform that is 12ft12⁢ft high at a rate of…

A: Solution  Maximum height

Q: 3)²(x+4), to answer questions 3 through -ch f(x). -6 -5 ret 4 3 N -2 1 -7 -6 -5 -4 -3 -2 -1 0 -2 -3…

A: We have to find the real zeros and end behavior then sketch the graph according to the given…

Q: Hi, please help with the below. Thanks. What is the probability that you will get a red bead when…

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Q: Solve: X^2-3x-10=0

A: x2-3x-10=0x2-5x+2x-10=0

Q: Find the indefinite integral and check the result by differentiating. S(9x+8)³ (9)dx (9x+8)³ (9)dx=

A: ∫(9x+8)3(9)dx=9∫(9x+8)3dx  ∫xmdx=xm+1m+1+c

Q: Find sin(a) and cos(3), tan(a) and cot(3), and sec(a) and csc(ß). a (a) sin(a) and cos(3) (b) X…

A: We have to find the trigonometric ratios.

Q: what is the solution to this system of equations. Solve using elimination 8x-2y=-14 3y=x-12

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Q: Graph the quadratic in vertex form. 15) f(x) = -(x + 2)(x − 4) -2,4 1 x-intercepts: axis of…

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Q: Rearrange the equation to isolate

A: here , we have a equation , then we have to re - write the equation for C   equation be    a=b1c-1d…