how much bacteria is present after 20 minutes? show working out

Q: -3 0 2 1-2 1 Given C = 0 - 3 4

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Q: Write an equation for the graph in the form y= a(x - h) are integers. + k, where a is either 1 or -…

A: We find the equations of parabola that is in this given form-  y = a(x-h)2 +k ; where a is -1 and 1.…

Q: (b) Consider the vectors u = (3,0) and 7 = (5,5). (i.) Find the size of the acute angle between u…

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Q: Prove that sin(x + y) # sin x + sin y by identifying one pair of angles x and y that shows that this…

A: We have to prove that, sin(x+y) ≠ sinx + siny by identifying one pair of angle x and y.

Q: 5 out of 16 students will ride in a car instead of a van. Please determine whether this is a…

A: answer is in next step

Q: x + 4x – 12 0

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Q: (a) Find the values of a, a ER, for which the matrix x= I x || || x³ x 36 1 has no inverse.

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Q: Determine whether the lines 2x + 5y =7 and 5x +2y =2 are perpendicular true or false

A: Compare the equations with standard equation  y=mx+c

Q: Find a 2 x 2 matrix A such that [5]. are eigenvectors of A with eigenvalues 10 and -10,…

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Q: In a terrarium, the ratio of grasshoppers to crickets is 6:5. There are 48 grasshoppers. How many…

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Q: Compute the indicated power of the following ( 3–2i)

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Q: If a triangle consists of side lengths (5a2 − 6a), (3a2 + 4b2 − 3b), and (5b2 + 4b − 2a), what is…

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Q: 2. A Ferris wheel has a diameter of 18 m and travels at a rate of 5 rotations per minute. You get on…

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Q: Esp One month Mary rented 9 movies and 7 video games for a total of $56. The next month she rented 3…

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Q: 1. A group of cyclists is planning a 50- mile ride. The cyclists will stop every 10 miles to…

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Q: 3. Calculate the average rate of change of each function from x = 1 to x = 3. Which function is…

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Q: 7. Let A be an n-by-n nonsingular matrix with integer eutries. Which of the following conditions…

A: Given problem:- Let A be an n-by- nonsingular matrix with integer entries. Which of the following…

Q: Which 2x2 among the matrices/matrix below satisfy(ies) X^2 -5X + 21 = 0 where I and O are the 2x2…

A: We have to find the matrix that satisfies the given equation.

Q: Compute I. P = $4500, r = 6%, t = 14 months

A: As we that the expression for the simple interest: I=P×r×t100 Where: 'P' is the principal, 'r' is…

Q: The question asks how much merchandise would Alex have to sell to match the weekly salary of the…

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Q: 5.A.4. { x € C/ factors of 30) is equivalent to O (1, 2, 3, 5, 6, 10, 15, 30) O (30, 60, 90,...)

A: We have to find factor  As per given we have to solve 1 question if you need please repost again

Q: . Matrices A and B are said to be similar if and only if there is a matrix P such that A = PBP^-1 .…

A: We are given two similar matices A and B  such that there exist some Invertible matrix P  A= PBP-1…

Q: A company manufactures microchips. Use the revenue function R(x) = x(72 - 3x) and the cost function…

A: To find profit function it is enough to substract cost function from revenue function.

Q: 6 The bakery charges $4.50 for one dozen muffins and $0.25 for each additional muf Number of Muffins…

A: Topic:- algebra

Q: Solve the following system of the linear equations using Gauss-Jordan elimination. 2x1 + x2 + 3x3…

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Q: S 2

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Q: For the equation z?-10z + k = 0, for what value of k does the equation have a single real root? k =

A: We have to find for what value of k does the equation have a single real root.…

Q: Provide an augmented matrix of a system of linear equations having exactly the following solution: x…

A: We want to find the augmented matrix for the given system of linear equations.

Q: receive $450 per Per week for selling used cars in addition he receives 6% of the profit on any…

A: Given query is to find the function for the weekly earning.

Q: Write the domain and range of the function using interval notation. X Domain: Range:

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Q: 1 2 5 9 Determine the inverse matrix of 69 A. 2-1 9. 5. B. 2. 1 5. 9. 1 -9 -5 D. 2 1 2. C.

A: Option A is true

Q: An object falls from a height of 256 feet. a. What does the function h(t) = -16t² + 256 represent in…

A: Given query is to find the meaning of the expression and time taken by the object to hit the ground.

Q: Find the equation of line b described below, in slope-intercept form. Line a is perpendicular to…

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Q: A polynomial expression is shown below. (9x4 - 4x2) + (x2 - 6)(qx2 + 6) The expression is…

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Q: QUESTION 15 Find the inverse function of 8-2x f(x) = 4x -3 O 3x +8 4x +2 O 3x +8 4x -2 O 3x -8 4x +2…

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Q: Economics

A: The subject is not Mathematics

Q: w (x) - 2x² + 5x + 3 X-1

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Q: 6. Let A E M„(R). Each of the following statements is cquivalent to two of the other threo except…

A: given

Q: of sand are spheres. Find the ratio of the volume of Earth to the volume of a grain of sand. Round…

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Q: Express the set using the roster method. {x|XEN and 30≤x_80} Choose the correct answer below. O A.…

A: Given the set in set builder form . We need to write this set in set builder form. Now,  Set is…

Q: . For f(x)=√x, sketch the graph of h(x) = 3f[-2x+8] - 1 and state the domain and rang he transformed…

A: Topic:- function

Q: Find, if possible, A + B, A- B, 2A, 2A - B, and B+ A. (If not possible, enter IMPOSSIBLE in any…

A: The given matrices,A=2-134-65, B=14-15110

Q: For one strain of bacteria, each bacterium divides into two every minute. The table shows the number…

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Q: /apply Gauss Elimination method to solve the equation? x + 4y – z = -5 x +y- 6z = -12 3x - y - z = 4

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Q: Out of the 6 options describe the possible echelon forms of a nonzero 2x2 matrix. Select all that…

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Q: (b)(ii) Find a linear equation a₁ + ax2 + bx3 = c whose solutions include (2, 0, 1), (2, 3, (-1, 2,…

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Q: How to look for the minor of a 4x4 matrix

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Q: What is the volume of each figure, in cubic units? Even if you aren't sure, make a reasonable guess.…

A: Volume=area of base×height

Q: Prove that E (2s+l)=3n" whenever 'nisa psitre r'nisa pisitive intger. 32.

A: Given that,      ∑j=n2n-12j+1=3n2, n is a positive integer

Q: Determine the period. Period = [?] %3D

A: As we can see the graph  It repeats after every 8 units. So the period of the graph is 8 unit.