If A is a symmetric matrix, then At = A Diagonal Matrix TAI

Q: Write an equation in slope-intercept form for the line with slope 3 and y-intercept -4. O-0 몸

A: Topic = Coordinate geometry

Q: Find the adjoint of the matrix A. Then use the adjoint to find the inverse of A (if possible). (If n...

A: The solution is given in the next steps.

Q: Evaluate; (C(20,5))/8 Your answer

A:

Q: 5x 24. x2 - 18x = -81

A:

Q: 20. It takes Terry 2 hours longer to do a certain job than it takes Tom. They worked together for 3 ...

A: Let t time required for tom to complete it. Follow step 2nd . 

Q: he average cost function is defined in economics as C¯(x)=C(x)x, where C is the cost of manufacturin...

A: Given:  C(x)=0.01x3−0.4x2+13x+400,

Q: a solution A has 52% alcohol, and solution B has 86% alcohol. how many liters of 86% solution should...

A: Given problem:- A solution A has 52% alcohol, and solution B has 86% alcohol. how many liters of 86%...

Q: Find x such that the matrix is equal to its own inverse. A = -2 -5

A: Topic = Matrices

Q: Write a polynomial in standard form that has the following characteristics. leading coefficient: -2...

A:

Q: A man borrows Rs. 1,000 and agrees to pay back every month one half of the amount due. After how man...

A: In 7 months he owe less than Rs 15

Q: Find the star ard deviation for the following group of data items. 21, 24, 24, 30 The standard devia...

A: We can calculate the standard deviation as below.

Q: a11 a12 a13 T4 Let A = a21 a22 a23 be the matrix whose inverse is A-1 = -1 Find the value of x3 in t...

A: For unique solution, AX=B then X=A-1 B

Q: In a GP if T2 = 10 and T5 = 1250, find: T10

A:

Q: Bryan and Jadyn had barbeque potato chips and soda at a football party. Bryan ate 4 oz of chips and ...

A:

Q: Solve each equation for 0 s 0 < 2n. 1) 2v2 = -4sin 0 %3D 5π7π A) 4 4 B) 4 3π 5π C) 4 5T D) 4 हर ै 4-

A:

Q: Average Costs per Mile Ownership $0.74 $0.22 Total Operating $0.26 $0.17 $1.00 $0.39 Car A Car B you...

A: As given the total average cost per mile for, Car A : $1.00 Car B : $0.39 Also it is given that car ...

Q: a. Algebraically determine the exact value for x in the following equation: 3**2 = (7)(6*-).

A: Given query is to find the value of x.

Q: A parabolic arch 29 feet high spans a parkway. How wide is the arch if the center section of the par...

A:

Q: A survey was conducted at a local ballroom dance studio asking students if they had ever competed in...

A: To find, the probability  the student competed in Rhythm GIVEN they had competed in Smooth or Standa...

Q: I have a question the cost for producing xitmes is 40x+300 and the revenue for selling x itmes is 80...

A:

Q: During the exponential growth phase of Salmonella Enerica bacteria in a certain environment, the pop...

A:

Q: An open-top is formed by cutting squares out of an 11 inch by 17 inch piece of paper and then foldin...

A:

Q: Lhe msect t months a 60(1+0.4t) P(t) = 0.01t+3

A:

Q: The circumference of a circle with a radius of 3.7 inches is _?_ in. Use 3.14 for pi. (Round to the ...

A: Given that the radius of the circle is 3.7 inches.  We have to find the circumference of the circle....

Q: Find the solution of the initial-value problem dx 6 6 dt x(10) = 9

A: The given differential equation is: 6t2dxdt=6x                    .....(1) And boundary condition is...

Q: Fill in the blanks below. Find the slope of the line passing through the points (-8, 7) and (8, 7). ...

A:

Q: Find |A|, [B], A + B, and JA + BỊ. Then verify that |A| + |B| = |A + BỊ. 1 7 A = 1 -1 0 0 1 -1 B = 7...

A: We can solve this as follows:

Q: nus: 12. David competed in a 65-km dirt bike race. For the second half of the race he rode his bike ...

A:

Q: Determine the value(s) of k such that the system of linear equations has the indicated number of sol...

A: Let's find. 

Q: 5x+16 3x+4

A:

Q: 13. Domenica started to work in 2001 at an annual salary of $31,500. She received a $1000 raise each...

A: We can find the salery in 2010 as

Q: 25. Which of the following inequality has a graph and solution as illustrated O A. 3x+4ys9 B. 3x-4ys...

A: Topic = Inequality Correct option = A

Q: How many triangles can be formed from 11 distinct points on the plane, no three points of which are ...

A:

Q: Find the point on the curve y=/2 for which the tangent ine to the curve is perpendicular to the line...

A:

Q: 6) What are the real and imaginary parts of (1+i)exp(-i,/4)/v2? 7) What are the real and imaginary p...

A:

Q: Write an equation for the polynomial graphed below 5+ 4+ 3 -5 -4 -3 /-2 1 2/3 4 y(x) = 2.

A: GIVEN:-

Q: Mike’s monthly pay after taxes is $2,300. He spends 30% of his pay on rent and 10% on utilities. He...

A:

Q: For a certain patient, a dose of Acetaminophen decays exponentially in their blood stream with a hal...

A:

Q: Suppose that a certain radioactive substance has a halflife of 24 years. If there are presently 6748...

A: Given query is to find the amount of substance after 50 years.

Q: Find the Laplace transform of 6t - 5te+5. L{6t- 5te ¯' + 5} = %3D

A:

Q: Determine whether the matrix is elementary. If it is, state the elementary row operation used to pro...

A: Given

Q: Use back-substitution to solve the system. (Enter your answers as a comma-separated list. If there i...

A: The given system,-x+y-z=05y+z=315z=0

Q: 10) Which expression is equivalent to -글 (6x-5)?

A:

Q: A shopkeeper raised the maked price by 30%and offered a discount @ 40%.find the actual discount offe...

A:

Q: Use elementary row or column operations to evaluate the determinant. 5 3 4

A: Solution is written in below steps.

Q: Convert the expression with ratio a (without simp Simplify completely.

A:

Q: .  If y is inversely proportional to x, and if y = 16 when x = 5, find the constant of variation

A: Find your answer below 

Q: 25x 4x3 - 21 = 0 %3D SOLVE FORX

A:   The given equation is 25x-4x3-21=0. Factors of 25x-4x3-21 is -x-14x2+4x-21. Now, -x-14x2+4x-21=0 N...

Q: it takes angela 2hrs longer to do a certain job than it takes cat. They worked together for 3hrs, th...

A: Let t = time required by cat to do the jobthen (t+2) = time required by angela to do the job

Q: A patient is required to take 120 mg daily how many grams of this drug will the patient take in five...

A: