Solve the following system of equations. x+2y 10 -x-5y = -19

Q: Find the determinant of the matrix. 25 -5 4

A: Solving the problem by finding the determinant of the matrix.

Q: -k For which of the following values k is -1 2 not invertible? 3 - k O A. k = 0, k = 1 and k = 2 B. ...

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Q: (i) 8. 6. 1 8. 1 7 Compute M 1 2 6. 3 3 3 6. 7 (ii) 8. 1 -1 M 1 Transpose(M) %3D 3 3 3 (iii) 2 6. M ...

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Q: AY

A: topic - quadratic equations

Q: Reduce the equation of the circle x +y° +&r – 9y– 6 = 0 to its standard equation.

A: Solution is written in below steps.

Q: lef plimpia Menet Homeloon 1. Refer to the given functions f, g, and h to evaluate the functions for...

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Q: g(x) = -1/2 (x+3)^2-4 compare to f(x) = x^2

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Q: Given the three sides of a triangle: 2, 3, and 4, what is the angle in radians opposite the side wit...

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Q: Find the period of the sinusoidal function. fx 64 5- 4 2. 540° A360 A180° 180° 360° 540° -3 -4 -5

A: Given:       

Q: Find the y-intercept and x-intercept of the line. 6x- 4y = -36 y -intercept: x -intercept: X 3 ?

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Q: Supply the following with complementary angle:(180 degree) 1.) 120 degrees 2.) 70 degrees 25 dogronE...

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Q: 20. Mr. Wilson is building a new patio off the back of his house. 5 ft 5 ft 15 ft 10 ft 20 ft

A: The area of tiles required to cover the patio is equal to the area enclosed in the patio.

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A: Given query is to find dimensions for the rectangle.

Q: 6. (5 points) Find the instantaneous rate of change of the function h h(t) = t² . /f² + 1 %3D with r...

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Q: person places $72300 in an investment account earning an annual rate of 7.1%, compounded continuousl...

A: Solved below

Q: Which of the following quadratic equations matches the given graph below? O y= 2x -4x+5 O y= 2x* +4x...

A: Let the general form of quadratic equation y = ax2 + bx + c It has minimum value at x = (-b/2a) and ...

Q: 2² +1 and g (x) = vx+ 2, find f o g.

A: We will f 0 g. 

Q: During the last 50 years, the consumption of eggs in the United States has decreased by 17%. Fifty y...

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Q: Fill in the blanks below. Find the slope of the line passing through the points (-9, -6) and (6, -6)...

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Q: 7). 3/4x = 9 8).11/12x = 11 9). 8/10t = 80 %3D

A: Question number 7,Given,            34x=9To find : Solve by multiplying by the inverse of the fracti...

Q: Solve the matrix equation for a, b, c, and d. 1 2|| a b -3 3 4 c d 9 -14 [: :]- b

A: We have to find required Matrix

Q: 13). 1/2t + 3 = 28 14). 1/6r = 12 15). 11/12b = 32

A: Here we have to solve the following by multiplying by the inverse of the fractional coefficient. 13)...

Q: Simplify by factoring. 9 3 - 384x /- 384x° = | 9 (Simplify your answer.) %D

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Q: 5X 11

A: Given query is to find the value of x 

Q: Find the line's slope and a point on the line. y-2=-4(x+3) Undefined slope: point on the line: D

A: To find the slope and a point on the given line.  

Q: use the change of base formula and a calculator to evaluate the logarithm, correct to six decimal pl...

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Q: Find the determinant of the matrix. 2 5 1

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Q: Find the determinant of the elementary matrix. (Assume k + 0.) 1 0 0 O 6k 0 0 1

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Q: Josh is driving to Miami. Let y represent his distance from Miaml (in miles). Let x represent the ti...

A: topic - speed and velocity 

Q: y = 2x+ 11 3x-2y = - 19

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Q: 19. Ten bakers can bake 20 cakes in 4 hours. How many bakers are needed to bake 8 cakes in 2 hours? ...

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Q: Determine whether the matrix is in row-echelon form. If it is, determine whether it is also in reduc...

A: answer = this is reduced row-echelon form because in reduced row echelon form the third row's  2nd a...

Q: Use a calculator. Round to the nearest tenth. Find tan−1(0.6745).

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Q: Suppose that a certain radioactive substance has a halflife of 22 years. If there are presently 6855...

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Q: Find the y-intercept(s) of the function f(x)=-x+5x-6.

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Q: solve the matrix equation for X -1 1 -1 5 7 8. 3 0| X = 4 -3 1 2 -1 3 5 -7 1

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Q: A table of values of a linear function is shown below. Find the output when the input is n. Type you...

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Q: Kayla invested $88,000 in an account paying an interest rate of 8% compounded daily. Sadie invested ...

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Q: A circle has a diameter of 4 cm. what is the area of the circle

A: Circle

Q: 1. If you have 100 grams of a radioactive isotope with a half-life of 10 years: a. How much of the i...

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Q: A bag contains 33 coins, some dimes and some quarters. The total amount of money in the bag is $4.35...

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Q: We can never find zeros by solving the quadratic equation. O True O False

A: Never find the zeros of a quadratic equation?

Q: 4. Which symbol means "element of"? O A Σ

A: A detailed solution is given below

Q: 6: Find the root(s) of f(x) =r-12.42x +50.444x-66.552 4<x56 to accuracy of 0.001. in the interval

A: According to our guideline we can only answer one question and rest can be reposted.

Q: 34. Evaluate sin(1 +í) and express the result in rectangular form. A) 1.554 +0.787i B) 1.115+ 0.235 ...

A: Note that: sin (a+ib)=sin (a) cosh (b)+i cos (b) sinh (a)...(1)

Q: Find the x-intercept and y-intercept of the line. 2x+4y=-8

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Q: The sum of the ages of Dustin and Jacqueline is 74 years. 11 years ago, Dustin's age was 3 times Jac...

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Q: For each ordered pair, determine whether it is a solution to the system of equations. 4x-2y=-16 y=2x...

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