Q/ If a+2i is one of the roots of the equation X^2-bx+13=0 find the values of a and b

Q: Determine without graphing whether the system of equations has exactly one solution, no solution, or…

A: Finding the ratio of coefficients of two equations tell us the number of solutions

Q: I. A plane region is bounded by the curve y = ln(x - 2), the lines x = 6 and y = 0. a. Determine the…

A: A plane region is bounded by the curve y=lnx-2, the lines x=6 and y=0.a To determine the Area of the…

Q: How to solve the equation of 2(2x+1)-(3x/2)=((3(4+x)/2) When x=

A: We can solve this problem using separation and distribution .

Q: Evaluate the function for the given value. G(x)=-3x²+x-2 84. G(-2x) Choices for 81-86: A) 7x-9 D)…

A:

Q: Define the binary operator by: ab=a²+b² Simplify each of the following. Do the order of operations…

A:

Q: O 4. If 270° < 0 < 360° and cos=, find sin 20. 12√/85 121 O-6√/85 121 O 6√85 121 O-12√/85 121

A: Theta is in 4th quadrant

Q: Find the x-intercepts of the graph of the function below. Enter only ONE of the x-intercepts. For…

A: We have to find out x intercepts

Q: uestion d the average rate of change of the function f(x), given below, from x = -2 to x = t. f(x) =…

A: We have to find out

Q: Let F = (x + e sin y)i + (x + eª cos y)j and the curve C: The right-hand loop of the lemniscate ² =…

A: Given

Q: A theater has 20 rows of seats. If there are 4 seats in the 1st row 12 in the 2nd row, 20 in the 3rd…

A: Given

Q: Use your counters to do each of the following multiplication problems using the definition of…

A: R (red): Represents  -1. G (green): Represents  1.

Q: Use l'Hôpital's rule to find the limit. Use - ∞ or ∞ when appropriate. lim X-00 5 O A. X In x Select…

A:

Q: 3. Do the set of vectors S = { x²+2x-4, 6x² +7x+3, 2x²+x} a basis for P2? Refer to the definition of…

A: To show the vectors S a basis for P2

Q: alpha and beta are zeros of the quadratic polynomial x square-6x+y find the value of y if 3 alpha+2…

A: alpha and beta are zeros of the quadratic polynomial x square-6x+y find the value of y if 3 alpha+2…

Q: The expression 2 tan(x) sin(x) + 5 sec(x) simplifies to A sec(x) - B cos(x), determine A and B.

A:

Q: mi Two cyclists leave towns 225 miles apart at the same time and travel toward each other. One…

A: Two cyclist leave towns 225 miles apart at the same time and travel each other. One cyclist travels…

Q: A small antenna fell from the top of a communications tower that is 900 feet tall. The height in…

A: It is given that the height of the antenna above the ground at t secondsis given by ht=-16t2+900.We…

Q: 36. The problem below shows steps in finding the product of two two- digit numbers using this…

A:

Q: . Find the equation of the line through the point (4, -2) and perpendicular to 6x - 7y = 12. Leave…

A:

Q: Find the constant of variation k. Write the answer as an integer or simplified fraction. N varies…

A: N varies jointly as t and p means for a constant of variation k we can write N=ktp

Q: find the area of each sector round your answer to the nearest tenth  60 degrees 10in

A:

Q: Judi purchased a real estate lot for $24,000. She sold it 2 years later 5 1- for 8 times as much as…

A:

Q: y³ +9y²

A: Factorise the given polynomial  y³ +9y²

Q: Find the amount that results from the given investment. $500 invested at 3% compounded daily after a…

A: This question can be solved using the concept of compound interest.

Q: an equilateral triangle has sides of the length 2x+48, 103-3x and 6x+4. What is x?

A: an equilateral triangle has sides of the length 2x+48, 103-3x and 6x+4. What is x?

Q: 2x•(3x+2)

A: Find the product 2x•(3x+2)

Q: The cost, in dollars, to produce a designer dog leashes is C(x) = x + 2, and the price-demand…

A: Given :Cx=x+2px=37-2x

Q: A car rents for $240 per week plus $1.00 per mile. Find the rental cost for a two-week trip of 500…

A: We can answer the question as below.

Q: Find the eigenvalues of the matrix A = a) 2, √5, √5 [-1 2 0 b) 2,√5,-√5 2 4 1 2 0-21 c) -2, √5, √5…

A:

Q: 5. Sarina is half as old as her mother. Twelve years ago, she was one-third of her mother's age.…

A:

Q: 7. The actual half-life of amoxicillin is about 62 minutes. Recall that half-life is the amount of…

A: The actual half-life of amoxicillin is about 62 minutes. Recall that half-life is the amount of time…

Q: Solve for x. 5 (x-3) = 7-4 (2-x)

A: Given equation,     5x-3=7-42-x

Q: Use l'Hôpital's rule to find the limit. Use - ∞ or ∞ when appropriate. lim X-0 2x Select the correct…

A: Give the limit,      limx→0ex-12x

Q: Assertion: The domain of f(x)=e²x +cos¯ e²+cos ¹ (2-1)+log √(x), is −1+log√(x),

A:

Q: Divide. 25.88 100 25.88 100 (Type a whole number or a decimal.)

A: Given, Divide 25.88/100

Q: Let overline u =(2.2-4) and overline v =(a,1-1) . For what values of 'a' are u and v orthogonal?

A: Let overline u =(2.2-4) and overline v =(a,1-1) . For what values of 'a' are u and v orthogonal?

Q: 1. Find the equation of the center and radius of the circle: x² + y² + 4x - 8y- 5 = 0

A: Follow the procedure given below.

Q: 3. Find three consecutive integers whose sum is 84.

A:

Q: A test consists of 10 multiple choice questions, each with five possible answers, only one of which…

A: We have to find the mean and standard deviation.

Q: Suppose that for s = {1,2,3,4,5,6,7,8}, p(1) = P(2) = p(3)=P(6) = 0.10 p(4) = p(7) = p(8) = 0.08…

A: Given :s=1,2,3,4,5,6,7,8p1=p2=p3=p6=0.10p4=p7=p8=0.08p5=0.36

Q: One number is 16 more than another number. The product of the two numbers is -63. Find the smaller…

A: topic- Quadratic Equations

Q: Cindy bought pencils and erasers in a store. The number of pencils was 6 less than 4 times the…

A: Given :Cindy bought pencils and erasers in a store. The number of pencils was 6 less than 4 times…

Q: Suppose that the functions g and h are defined for all real numbers x as follows. g(x) = 2x² h(x) =…

A: We have to find the expression for given composite function.

Q: Q2: A: IF B = By using the result of det(A) (JA) Find the value of det(B) ([B]) without use the def…

A: Given :A=123456101

Q: share $80 in the ratio 4:5

A: share $80 in the ratio 4:5

Q: The difference between two positive integers is 1. If the smaller is added to the square of the…

A:

Q: If 1/2 is subtracted from a number and difference is multiplied by 4, the result is 5.find the…

A: If 1/2 is subtracted from a number and difference is multiplied by 4, the result is 5.find the…

Q: Summarize all pertinent information obtained by applying the graphing strategy and sketch the graph…

A: This question is related to functions, we will solve it using given information.

Q: Find the x-intercepts of the graph of the function below. Enter only ONE of the x-intercepts. For…

A:

Q: You are skiing down a mountain with a vertical height of 1245 feet. The distance from the top of the…

A: From the trigonometric ratios we know that Sinθ=HeightHypotenus