en at random from a classroom full of students. The probability that the student chosen will be a boy is 3/5. Which of the he total number of students in the classroom?

Q: 4x 3z + y + 2z %3D 5x + 5y + 10z = 1 O has 0 solutions O has exactly 1 solution

A: We are asked to find the solution of the system.

Q: 3 (8) Bobby says that the drawing below shows that What is wrong with Bobby's reasoning?

A: For comparing two fractions , you need to take same length of block then firstly, divide it in 8 equ...

Q: 4x² - 4x –8, Which graph represents the function of f(x) = 2x +2 3 4 S 6

A: topic - graph of a function

Q: (0.382, 18.294) (0, 16) 15 10 5- (-1, 0) (4, 0) (2, 0)

A:

Q: 2. 81x4 16у8 b4

A: (a2-b2) =(a-b)(a+b)

Q: The equation for g(x) was obtained by transforming f(x). Write a verbal description of th transforma...

A: When the function inside the logarithmic is lessened by 4, the graph is shifted 4 units to the right...

Q: 2. For all positive integer n, the expression n -n+ 3 is always divisible by A) 6 only B) 2 and 3 on...

A:

Q: 4. Determine the time necessary for $3500 to mature to $22,000 in an account that pays 7.2% annual i...

A: we have to define time required  

Q: 0. Find the inverse of the invertible matrix B = 4 4-3

A:

Q: Challenge question: 2xy-7 3xy+8 1, solve for y.

A:

Q: Crude oil imports to one country from another for 2009–2013 could be approximated by the following m...

A:

Q: Problems 7-10 Write the equation of a parabola in conic fo graph of the parabola, focusing on the di...

A:

Q: Write an explicit rule for the geometric seque the sequence. 1. 4, 20, 100, 500, ...; 8th term 2. 65...

A: Question-3 . NOTE: Refresh your page if you can't see any equations. . the explicit rule is already...

Q: Emman Rubio works in school at a salary of 700 a day. With 40 hours from Monday to Friday plus 1 hou...

A:

Q: 5. Choose the correct answer. Which function is represented in the table shown? 1 2 4 7 14 28 56 112...

A: we have to a slove above question about base and power 

Q: A Q 9) Find the inverse of the matrix using elementary row operations on the augmented matrix. 1 2 1...

A:

Q: 1. SOLVE FOR 31 -2 1 61 4 [7 5 2 A= 3 c=5 B= 2 1 1 -3 -4 l4 -3 2 a. CB+CA b. 2B-А с. А-4B d. C?A?

A: Given A = 1433-21-406 C = 5 B = 75221-34-32

Q: Which of the following statements are always true? (i) If A and B are 353 x 353 matrices with det(A)...

A: Which of the following is true.  1)If A and B are 353×353 matrices with Det(A)=7 and Det(B)= 8, then...

Q: Simplify the expression :  sec x cos x + cos x − 1/sec x  using basic identities

A: The basic identity is:cosx=1secx or secx=1cosx

Q: Let the trigonometric function f be defined as f(x) = 2 sin(6x),

A: Given: -The trigonometric function f  be defined by, f(x)=2sin(6x) To find: - The amplitude, period,...

Q: 20. Supposed a, b,c,d > 0, and if log, d= 2x, log,d = 3x, and logd = x, what is the value of log d? ...

A:

Q: If a soft drink galatin capsule contains 4½ml of cod liver oil, what will be the total dose if 20 su...

A: We can find the answer as below

Q: 1. Solve the following for x, round your answer to the nearest hundredth. 7-4=21

A:

Q: Find the domain of the rational function. X-7 f (x) = x+9 Enter your answer in interval notation. To...

A:

Q: Solve the following problem using synthetic division.

A: To divide the expression using synthetic division:2x3-3x2-32x-15÷x+3

Q: Point out points (5,-7), (6,-3) , (7,1), (8,5) on a graph

A:

Q: t0

A:

Q: 2 4 6 8 7. Write a recursive rule for the geometric sequence f(n) = 10(0.3)*~. %3D 8. Write an expli...

A:

Q: ind the equation of the trend lin

A: Equation of line passing through two points (x1,y1) and (x2,y2) is given by            y-y1 = y2-y1x...

Q: The plot below represents the function f(x): 7- 4- -5 -4 -3 -2 -1 Evaluate f(4): f(4) : %D Solve f(x...

A: f(4)=1   f(x)=4 from the graph x=2

Q: The vertices of a rectangle are at (-4, 2), (3, 2), (3, – 2), and (-4, - 2). What is the length of t...

A: Given that: The vertices of a rectangle are: (-4, 2), (3, 2), (3, -2), (-4, -2)

Q: a? – 6x – 10

A:

Q: 10) Which of the ordered pairs is NOT a solution to the following system of equations? 등+ = 1? l+ =1...

A:

Q: Brian cycled  6  laps on a bicycle path surrounding a lake. Each lap was the same length. If he cycl...

A: Brian cycled 6 laps on a bicycle path surrounding a lake. Each lap was the same length. he cycled a ...

Q: 5. A sales manager has 30 representatives. She receives a commission of 20% from her own sales and 5...

A:

Q: 5. The triangles shown below are similar. 6. 16 cm 20 cm 4 cm cm C 12 cm cm Find the missing side le...

A:

Q: Evaluate the inverse Laplace transforms of the following: 1 4 1. s+9 s-5 20 1 2. s+3 5s 6s-5 3. C 4s...

A: Using inverse laplace formulae.

Q: After working together for three hours on a common task to workers have completed fractional parts o...

A:

Q: Begin by graphing the absolute value function, f(x) = |x|. Then use transformations of this graph to...

A: The given function g(x)=-x-4-1

Q: 4x; x = 8?

A: Find 4x if x= 8? 

Q: There are 460 bacteria spores in a petri dish. After every two hours they are observed to be 10% les...

A: Given query is to find the the function for exponential decay and then graph it.

Q: 8. Vertex: (0,0); Opens down; Distance from vertex to focus: 1 unit

A:

Q: 2) For each equation, tell whether it is always, sometimes, or never true. Explain your reasoning in...

A: Since the student has posted many sub-parts of the question and does not mention any specific part, ...

Q: ax"is the leading term, a is the leading coefficient, and a, is the constant term. The terms of a po...

A:

Q: Solve the system by substitution. 2x + 4y = -4y + 7

A: Follow the procedure given below.

Q: Use the graph of the function y=gx) below to answer the questions. (a) Is g (5) positive? O Yes O No...

A:

Q: Find the exponential function f(x) = ab² that satisfies the conditions f(0) = 2 and f(2) = 8. f(x) :

A: Topic:- algebra

Q: Based on the table below, 3 4 6. 7 8. 6. f(x) 70 49 19 2 1. 37 .97 16 31 87 Evaluate f(1): f(1) = So...

A:

Q: The probability that Rockies' Trevor Story will get a hit is 0.277. What is the probability that he ...

A:

Q: Write an explicit rule for the geometric sequence, Then find the indicated term of the sequence. 11....

A: topic - geometric sequence