1 k 8 -6 6 O -8 7 3 2 Let A = 0 0 k 3 -7 0 0 0 7 -6 0 0 0 0 9 choose When is det(A) > 0?

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A: Explained below.

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Q: 10) Which number can be added to a rational number to explain that the sum of rational number and a…

A: Here we can answer both the questions as below for your reference.

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A: Given  A=15000 P=10000 r=9%=0.09

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A: NOTE: Refresh your page if you can't see any equations. . x=burning time  y=height of the candle…

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A: Given : A polynomial of degree 5 with rational coefficients has roots-12,11 and -5i   To Find :…

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A: We want to find the unit tangent vector , normal vector and Binormal vector

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Q: State the values of a, b, and c that you would place into the quadratic formula. 1.) 2x? - x + 7 = 0…

A: As per Bartleby guidelines for more than one question asked only one is to be answered please upload…

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Q: Lisa solves a quadratic equation as shown below. 6 = x? + 2x - 8 6 = (x + 4)(x- 2) 6 = x + 4 and6 =…

A: The given quadratic equation,    6=x2+2x-8

Q: 18) h(t) = 2 · 3**³; Find h(4 + t)

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Q: Write the sum using sigma notation: A 7+11+15+ 19+ + 35 = > B, where A = n=1 В —

A: Given problem:-

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A: We know that, A linear function is any function that graphs to a straight line, i.e, the function…

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Q: The algebra teacher wrote on a blackboard a quadratic equation of the form x2- Ax + B = 0. In…

A: Solution of the problem as follows

Q: #S. A is a 3x3 triangular matrnx with all = 2, azz= 3, ag3=4, I will represent the 3x3 idontily…

A: We have to find the determinat of A-I.

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Q: Given the system of equations: 2x 3y-9z = - 9 %3D x +3z = 0 3x +y-42 = 3 -

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Q: The equations of three lines are given below. Line 1: 6x+4y=-2 Line 2: 3y = 2x+7 Line 3: y =-x+7 3.…

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Q: 14. Add the polynomials. (2 – 10) + (62² + 2) 722 – 12 6x* – 8 6x* – 12 O 7a2 – 8

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Q: If $5000 is invested at 7% annual simple interest, how long does it take to be worth $8150? yr

A: As from the formula of simple interest, i=p×n×r100               ...(1) Where, p = principal n=time…

Q: of the polynomial function f are given in the table below. f(x) -4 8. -1 3 -0 -1 2 -2 - Which…

A: Here, note that f(0)=-1 & f(-1)=3 and f is a polynomial. So, the graph is continuous.

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Q: Determine the indicated roots of the given complex number. When it is possible, write the roots in…

A: Here we have to find the three roots of gicen complex number.

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Q: Solving Exponential and Logarithmic  Equations e4x-5 - 7 = 11,243

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Q: 1. Solve the following: a) x² – 9x = 0 b) x2 + 4x – 21 = 0 c) x? – 25 = 0 %3|

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Q: Add or subtract the following fractions. Remember to reduce where possible.(2 points each) 1) 2)…

A: As per the guidelines I can solve only first three question

Q: Find the exact length of the missing side of the triangle using the Pythagorean Theorem. Enter your…

A: According to Pythagorean theorem, in a right angle triangle we have Hypotenuse2 =…

Q: 3w + 2x – 8y = -5 Ow + 9x +4y + 3z = 4 – 13w + 2x + 6y +z = -7 - 2w + 3x + 2y + 10z = 0 SECTION I:…

A: We will set up the augmented matrix first.

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Q: 1) –9x* + 3x

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Q: Suppose that a 4 x 4 matrix A has eigenvalues A1 - 1, 12 - - 4, 13 = 6, and A4 = - 6. Use the…

A: Let's find.

Q: Systems of Equations Solve the following system of equations with the substitution method. Write…

A: 1)y=3x-68 y=2x-2 2)x+3y=-31 y=6x+34 3)x=14y-132 7x+y=-33. Repost the next part.

Q: Find the angle a between the vectors 4 and -2 a = 9. Find the length of the vector x = 8. |刘= %3D

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Q: 10) g(a) = 4a; Find g(2a)

A: Substitute 2a in place of a

Q: Identify the step in which Issac made a mistake in solving the following literal equation for the…

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Q: the

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Q: Solve the word problem. Complete Steps 1-2 in order. D 3. Step 1: Find the dimensions of the porch.…

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Q: Find the absolute change and the relative change in the following case.   The average sale of a…

A: Absolute and relative change