A medication has a half-life of 4 hours after it enters the bloodstream. A nurse administers a dose of 225 milligrams to a patient at noon. 1. Write an expression to represent the amount of medication, in milligrams, in the patient's body at: a. 1 p.m. on the same day b. 7 p.m. on the same day 2. The expression 225 · (G) 2 represents the amount of medicine in the body some time after it is administered. What is that time?

Q: •A bus leaves a bus station at 9:00 am and travels on the Eastbound Highway. A second bus leaves the...

A:

Q: x + 2y-z -1 -4x - 8y + 2z = 0. 3x + 6y – z = 1 Given the system (M): Using Gauss-Jordan elimination ...

A: Solution is given below:

Q: Graph the solution set of the system of inequalities.   4x + y ≤ 3 −x + 2y ≥ 9

A: Given query is to graph the inequalities.

Q: 7. Elaine bought a pair of sunglasses that was discounted 25% off the original price of 1,400. What ...

A: The given data is: The original price is 1400 The discount is 25%

Q: Use the following matrices to compute the indicated expression if it is defined. 1. (C"B)AT 3 4 A = ...

A: To compute with the value of the indicated expression.

Q: Consider an investment where $49,000 is invested for 10 years at 6% compounded continuously. How muc...

A: topic - compound interest

Q: Use the given information to find a formula for the exponential function N = N(t). N(3) = 81 and N(...

A:

Q: Let V = R. For u, v E V and a ER define vector addition by u H v := u + v – 1 and scalar multiplicat...

A:

Q: Solve the equation – 7w – 12 = 10w? -

A:

Q: Graph the solution set of the system of inequalities.     y ≤ −x2 + 8 y  >  −x − 4

A: We can find the solution set as below

Q: Hote the dearee Ond lending Coeffcient of eocn folynamial in ane variable IS iH is not a polyromia i...

A: the degree of a polynomial is the highest of the degrees of the polynomial's monomials (individual t...

Q: Find f+g. f-g. fg., and fig and their domains. Fx) = /25 -x. g(x) = vx + 3 Find (f+ g)(x). Find the ...

A:

Q: Find the exponential function f(x) = Ca" whose graph goes through the points (0, 2) and (3, 16). a =...

A:

Q: Given: f(x) = 1(x + 2)² – 4 - a) The vertex is b) The y-intercept is c) The x-intercept(s) is(are) (...

A: answer is -

Q: Find the vertex of the graph. f(x) = 2x2 − 3x + 5 (x, y) =

A:

Q: Let f(x) = 11x + 2x² and g(x) = –7x – 3x² + 4 . Find (f +g)(x) and (f – g)(x). Then evaluate f + g a...

A:

Q:

A:

Q: Perform a vertical analysis for the balance sheet entry "Accounts Payable" given below (as a %). (Ro...

A: This is a problem related to percentage parts. Here account payable percentage will be calculated fr...

Q: Find the average rate of change of g (x) = -2.x-2x from x = 2 to x 6. Simplify your answer as much a...

A: We can find the average rate of change of a function as below in the following steps.  

Q: Kaylee has some marbles. Eric has 3 times as many as Kaylee and Amber has 10 more marbles than Eric....

A: Given:     Let Kaylee have number of marbles =x    Eric has 3 times as many as Kaylee    =3x    Ambe...

Q: A function f has the following verbal description: "Multiply by 8, add 2, and then take the fifth po...

A:

Q: Which of the following matrices is in Row Echelon Form? 1 0-4 01 0 0 0 1 0 0 None of the mentioned T...

A:

Q: what is 148+273

A:

Q: 1 A rectangular garden sits next to a house. Three sides of the garden are fenced, and the fourth si...

A:

Q: 9. Colony X started with 50 bacteria and tripled every hour. Colony Y started with 20 bacteria and q...

A: We have to find the true statement.

Q: Vx + Factor 6x – 25xy+ 14y² = (| 3 - 2 Xy)( 2 V x + |7 Xy)

A: Consider  6x2-25xy+14y2

Q: A passenger jet passed through an altitude of 13,000 feet 8 minutes after takeoff and was climbing a...

A: Altitude after 8 minutes = 13,00ftclimbing rate                   =  1,250 fts-------------------Aim...

Q: Find f+g, f-g. fg, and flg and their domains. f(x) = V 25 - x, g(x) = Vx + 3 Find (f+ g)(x). V 25 - ...

A: The objective of the question is evaluate the composition of functions and it's domain.

Q: The graph of f(x) = 9(x - 2)2 - 6 is a parabola that opens upward with its vertex at (x, y) = | 2, –...

A:

Q: WITHOUT a calculator, identify VERTEX form, STANDARD form, AND FACTORED FORM. Then use the three for...

A:

Q: 4. The number of trees destroyed each day by a forest fire are given in the table. Day Number of Tre...

A: We have to solve the graph and the following question.

Q: Concentration ôf a Gas and Global Temperature selected years. Shown on the scatter plot is a line th...

A:

Q: Caroline charges $15 per hour babysitting. Let h represent the number of hours she babysits and E re...

A: Caroline earns $15 per hour. h=number of hours baby sit by Caroline. Amount earns per hour $15 multi...

Q: A population of bacteria is growing according to the equation P(t) = 650e0.13¢, Use a graphing calcu...

A:

Q: 2. What is the minimum product of two numbers that differ by 15? What are the two numbers?

A: Let one number be x and another number be x+15 So their product=x(x+15)=x2 + 15x =f(x) (say)

Q: 1. A game consists of equilateral triangular tiles with a number from the set {0, 1, 2,3, 4, 5} in e...

A:

Q: Use f(x) = 4x - 2 and g(x) = 3 -x to evaluate the expression. (a) (fo g)(-2) (b) (g o A(-2)

A:

Q: Find the maximum or minimum of the function. y = 2p2 + 2p − 1

A:

Q: Determine the quadratic function f whose graph is given. 8- The vertex is (1, – 5) and the y-interce...

A: Question- Determine the quadratic function f whose graph is given. The vertex is (1,5) and the y-int...

Q: Let m be a real number. Given that the inverse of A= 2 1 4 0 1 1 3 -2 1 2l -1 Then the solution of t...

A: Given,           The inverse of A=-11-1-64-32-11 is A-1=101013-212.          The system of linear eq...

Q: Use the given graphs of f and g to evaluate the expression. (Assume that each point lies on the grid...

A:

Q: Graph the inequality. 0.6x ≥ 2.4

A:

Q: Use vectors to find the lengths of the diagonals of the parallelogram that has i + j and i – 14j as ...

A:

Q: A bacteria population is tripling every hour. By what factor does the population change in hour? Sel...

A: This is a problem related to proportion of the bacteria population. Based on the general multiplicat...

Q: Let A = -{ and C = 31 %3D %3D If C+X-1= AB then X =

A: We can find the value of X as below.

Q: Given the following differential equation, A? d²y + (B + C)- dy + G4 y = (A * C)u(t) + (- %3| dt2 dt...

A: Let's find. 

Q: A population numbers 11,000 organisms initially and decreases by 3.5% each year. Suppose P represent...

A: Given problem:- A population numbers 11,000 organisms initially and decreases by 3.5% each year. Sup...

Q: 3- Write an equation for the function graphed below -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 óy = -2 -4 -5+

A:

Q: 1 2 1 B. Let A = 2 1 2 1 0 2 Find the following: а. тinor(A)12 b. тiпor(A)32

A:

Q: Solve the equation: y² = 9y + 22 Answer: - Y = (2,-11) If there are multiple solutions, separate the...

A: Follow next step