Prove: If A and B are n × n diagonal matrices, then AB = BA.

Q: What is the solution to the following equation? - 15 10 А A x=5 B x = 15 C x= 30 D 5. -

A: The given equation is: 115+1x=110

Q: What is the determinant of matrix A? |1 2 13 4

A: Given,            The matrix is A=1234 .To find : What is the determinant of given matrix.

Q: 1) (-4x³y)? 48.x? y2 (Заb)? - (-2аb*) 2) баb?

A: This is a problem related to basic rational function. Please follow the procedure given below. 

Q: In the diagram below, if AB= 40, CD = 25, and AD = 80, find BC. D. O 15 O 40 О 25 O 60

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Q: Diego deposited a certain sum of money in a bank 2 years ago. If the bank had been paying interest a...

A: For the following problem,

Q: (). 0.001 t3 + Ot + 2t-750n = 0 3

A: 0.0013t3+0· t+2t-750π=0⇒0.00033…t3+2t-2356.19449…=0By an online calculator,⇒t≈ 181.50539…

Q: Determine the inverse of the given matrix if possible. Otherwise, state that the matrix is singular....

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Q: Consider the following system of equations. 2x  +  3y  =  10 3x  +  5y  =  16 (a) Write a matrix eq...

A: The given system of equation is: 2x+3y=10 3x+5y =16

Q: _2. In the figure, given on the right side solve for the missing side of the triangle а. 2 с. 6 10 b...

A: Given, AB=6 AC=10 BC=8 ED=3 DF=5 EF=x By using law of similar triangle, AB/ED= BC/EF Substituting kn...

Q: Use induction to prove: for any integer n > 1, (6j- 4) = 3n“ – n. j=1

A: We shall prove the given sum using Principle of Mathematical induction which means that a ) first we...

Q: Let the graph of g be a vertical shrink by a factor of : 1 followed by a translation 2 units up of t...

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Q: Let B = {b1, b2, b3} be a basis of R³ where [ 1 2 3 bị 4 b2 5 b3 2 = 4 Let v be a vector in R´ such ...

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Q: 2. 3 4 5 y 644 742 916 1119 1354 1590 Use regression to find an exponential equation that best fits ...

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Q: 1. Using the table of values, estimate the slope of a tangent line tangent to the curve f(x) = x³ – ...

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Q: Use the equation A=Pe^rt to answer the question. Show all work. Daniel deposits $8,000 into a contin...

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Q: The pre-image in red has been transformed to the image in green. Write the equation of both images.

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Q: Classify the following quadrilateral below.

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Q: Biologists stocked a lake with 400 fish and estimated the carrying capacity (the maximal population ...

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Q: Using factoring, what are the solutions to the equation 2x2 + 2.x 24 0 ? O T = -3 or x 4 O x = -1 or...

A: Given that by using the factoring we need to solve the equation  2x2 + 2x - 24 = 0  for  value of x....

Q: 2. From the top of a barn 7.62 m high, you see a cat on the ground. The angle of depression of the c...

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Q: On the accompanying set of axes, graph the function f(x) = 2x + 4 and its inverse, f-1(x). 8.

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Q: A soccer field is 115 yards long (x-axis) and 74 yards wide (y-axis). The field crew needs to find t...

A: Given query is to find the mid point of the diagonal.

Q: The expenses and income of an individual are given in table form to the right. Find the net monthly ...

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Q: With the sun, a girl 1.4 m tall casts a 3.6 m shadow. Find the angle of elevation from the tip of th...

A: The objective of the question is determine the angle of elevation and choose the correct option.   N...

Q: Find the complement of the set given that U = {x | x E I and -3 < x < 7}. (Enter your answers as a c...

A: Let U be the universal set. Then complement of a set A is given by, Ac= {x | x does not belong to A}...

Q: 5x2 – 19x + 12 Let f(x) = 5x2 + 17x + 6 This function has: 1) A y intercept at the point Preview 2) ...

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Q: An observer on the ground sites a plane at an angle of elevation of 42.2, At the same time, a second...

A: Given query is to find the height of the plane.

Q: Choose the best term from the box to complete each definition. 1. The number of square units that a ...

A: Find your answer below 

Q: -5 -5 5 -5 -5 5. 5.

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Q: Which point is one fourth of the way between point A and point B on the line segment AB shown on the...

A: The line segment AB joining the point A-1, 1 and B-5, 4

Q: Let f(x) = 2 – 2², x > 0 f'(x) = Preview

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Q: The fox population in a certain region has a continuous growth rate of 5 percent per year. It is est...

A: Hee, the population has continuous growth. So, the model is given by: P=P0e-rt...(1) where r=5%=0.05...

Q: Elmer has a collection of 300 fossils. Of these, 21% are fossilized snail shells. How many fossilize...

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Q: wo numbers that multiply to the value on top and add to the value on 8. 9. nswer atte a

A: We have to write the two numbers such that given conditions hold

Q: QUESTION 6 The slope of the line tangent to function y- 28x2 -6x at x-2 equals: O a. 50. Ob.106. OC6...

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Q: (3.r² +8r - 5) – (4.x² – x - 8)

A: Subtract the polynomial (3x²+8x-5)-(4x²-x-8) =3x²+8x-5-4x²+x+8 =-x²+9x+3

Q: 5. Find symmetric equations of the line that passes through A(4, -7, -2) and B(-3, 8, 6).

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Q: Find an equation for the graph sketched below 2 -5 -4 -3 -2 -1 I2 3 4 5 -2 -3 -4 -5 -6 -7 f(x) = %3D...

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Q: Cost of a Hybrid Vehicle You may have wondered what the break-even point is for purchasing a hybrid ...

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Q: 9) Write a concise response to HOW you would solve the following problem. DO NOT solve the problem. ...

A: To solve the given problem We have to take x common out from the equation . And write the rest of th...

Q: How many free variables does each augmented matrix have? -10 4 а. Choose 0 00 [1 0 1 0 0 0 -5 10 -7 ...

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Q: Suppose that the weight (in pounds) of an airplane is a linear function of the amount of fuel (in ga...

A: Linear function can be given by as y = mx+b

Q: Find the indicated value of the following function. Express answer in simplest radical form. g(x) = ...

A: Given query is to find the value fo the function at x = -3.

Q: Which line in the figure below is skew with AF ? G F E IB A D

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Q: Change the number to a percent. 3 8

A: Given,            38To find : Change the number to a percent.

Q: This expression has three restrictions. What are they? 3x2-3x 2x 10 x-2 x-4

A: The given expression is : 3x2-3xx-2÷2x-10x-4 Here x-2≠0 since it is in the denominator of 3x2-3xx-2a...

Q: Okample: Which of the following systems is equivalent to (x – 2y = 4, {3x + y = 9' Sx- 2y = 4 A) {6x...

A: topic - system of equations

Q: 3 Find the exponential equation whose graph passes through the points (-2, ) and (1,15) 25 y% D

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Q: A small plant manufacturing riding mowers. The plant has fixed costs (leases, insurance, etc.) of $5...

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Q: 18 as a linear combination of = 8 Express the vector i and j =

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