Answered: Two years ago, a boy was 5/4 as old as…

Two years ago, a boy was 5/4 as old as his sister. In 13 years, he will be 10/9 as old as his sister. How old is the boy

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter25: Achievement Review—section Two

Section: Chapter Questions

Problem 24AR: A piece of machinery is purchased for $8792. In 1 year, the machine depreciates 14.5%. By how many...

See similar textbooks

Related questions

Q: Which inequality does the graph represent? -4 www O A. y-x-3 OC. ys-x - 3 D. ye-x-3 +2 O X

A: Topic - Inequality We are given graph of linear inequality

Q: Let B-[533] 4-2 = 000 2 Compute the indicated matrix. (If this is not possible, enter DNE in any…

A: The given matrix, B=5-32-542. We have to find the matrix BTB.

Q: 9x2-1= 63 Solve the equation using the square roots method

Q: Solve the equation and state the solution set. Remember to identify the values of the variable for…

A: To solve the equation and to state the solution set.4x+1-4x2-1=2x-1

Q: Use a proportion to solve the problem. The ratio of the lengths of strings that play the notes F and…

A: Given the ratio of F to G = 9 to 8 value of g = 40

Q: Find the GCD or LCM as indicated. Given 120 and 270, find the GCD. 6 O 30 O 15 O 10

Q: Given the graph of the Logarithmic Function g(x) = log₂ x: The graph of the function f(x) = log₂ (x…

A: We have to find translation, domain and range of the given function.

Q: a) x² + 5x + 2

Q: Find bases for row(A) and col(A) in the given matrix using AT. 0 -1 = [1 1 8 row(A) col(A) A = ↓ 1

Q: If A = 1-3 -1 1 0 -1 1 1 is v = 5 in null(A)? O v is in null(A). Ov is not in null(A).

A: NOTE: Refresh your page if you can't see any equations. .

Q: Complete the square f(x)=2x^2-20x-54

A: See this solution in below.

Q: solve each system by using either the substitution or the elimination-by-addition method, whichever…

Q: Masses of 2 kg, 3 kg and 4 kg are located at points with co-ordinates (1,1), (2,4) and (3,5)…

A: 17. Masses 2kg, 3kg, and 4kg are located at points with co-ordinates 1, 1, 2, 4 and 3, 5. We have to…

Q: Let f(x) = 14x-19 and g(x) = 4x2+14x+2 Find (f/g)(-2)

A: Given f(x) = 14x-19 and g(x) = 4x2+14x+2 We need to find (f/g)(-2)

Q: Assuming that 495 divides 273x49y5, find the digits x and y.

Q: Question 2 Find the solution to (3x²y + 2xy + y²)dx + (x² + y²)dy-0 with the initial value (0,1)

Q: Graph each function. Identify the domain and range.

A: NOTE: Refresh your page if you can't see any equations. .

Q: An arrow is shot vertically upward at a rate of 250 feet per second. Use the projectile formula h =…

A: The given data is: h=-16t2+v0t v0=250 feet/sec To determine at what time t (in seconds) the height…

Q: 12.5 c = 13.72 in = 14. 12 14 oz = OZ ft tsp

A: Note:- Since you asked multiple Questions ,according to our guidelines we can solve only one…

Q: 0. A coin jar contains 425 coins all are pennies, nickels and dimes (1c, 5cand 10c) with total value…

A: To solve the following problem and find the respective number of coins.

Q: Find the domain of y = log(5 + 4x). The domain is:

A: Given query is to find the domain of the function

Q: An investor has $120,000 to invest in bonds. Bond A yields an average of 5% and the bond B yields…

Q: A student launches a toy model rocket from the top of a building. The rocket lands on a target on…

A: We need to find height and time.

Q: In the last ten years, the population of Brazil has grown at an exponential rate of 0.9% per year to…

A: NOTE: Refresh your page if you can't see any equations. . here we have (current population)…

Q: Write the equation in logarithmic form. Assume that all constants are positive and not equal to 1.…

Q: The table shows the daily production level and profit for a business. Use the quadratic function y =…

Q: a Q R N M

Q: number of solutions 5) y = 1 2 X - 4 1 y=-x-4 2

A: Given equation: y=12x-4 and y=12x-4 To find: Number of solutions

Q: collected data on the number of feetshe could walk each second and wrote the following rule to model…

A: Given query is to find the value of t.

Q: Write as an addition problem and find the sum. Susan lost 4 pounds the first week, gained 3 pounds…

Q: Give the rank and the nullity of the matrix. rank(A) nullity (A) A = 50-5 44 4

Q: Exercise 2 Find the x- and y-intercepts of the line 5x+2y=-10. Exer Find x-4

A: Since you have asked multiple question, we will solve the first question for you as per our guide…

Q: Solve the problem. Tim needs to apply 12 gallons of herbicide per acre of soybeans. How many gallons…

Q: Determine whether b is in col(A), as in Example 3.41. A = 1 0 2 1 -1 12 b is in col(A). b is not in…

A: NOTE: Refresh your page if you can't see any equations. .

Q: 1 20) y = -x +4 4 y = x - 1

Q: e. 1.773 15. Find the expected value of a random variable having the following probability…

Q: QUESTION 13 If two rotation quaternions are p = [0.866, 0.162, 0.382, 0.279] and q = [0.924, 0.207,…

Q: GCF of 32,55 using the subtraction algorithm

Q: Evaluating an exponentia The radioactive substance cesium-137 has a half-life of 30 years. The…

A: According to question,Given function,At =93412t30

Q: Find real numbers a, b, and c such that the graphics of the function f(x)=ax^2+bx+c Contains the…

A: We have to find real numbers a, b, and c such that the graphics of the function f(x)=ax^2+bx+c…

Q: START EQUIVALENT EXPRESSIONS MAZE y + y + y 2(x-3) 3(y + 2) 3(x + 1) 3x + 3 9y + 2 3y 3 + 6y + 2 4y…

A: We have to reach from start to finish. We have to go in the direction of arrow that gives the same…

Q: A population declines by 0.5% each year. By what percentage does it decline each decade?

A: Explained below

Q: 4. a. What is the area of the sector if the centre angle is 150° and the radius is 30 m? b. What is…

A: We are authorized to answer one question at a time, so we are answering the first one, please repost…

Q: What is the slope of the given line? -10 9 8 7 6 5 4 3 2 T 10 9 8 -6 5 + S 3 N M T N -3 5 12 3 4 5 6…

Q: Factories the expression 14a2b2 - 21a4b

A: We need to factorize the expression.

Q: Simplify the radical. √324 O 18 3√√4 44√3

Q: Manufacturing Trucks Mike's Toy Truck Company manufacturers two models of toy trucks, a standard…

A: let, x = number of standard model trucks manufactured per week y = number of deluxe model trucks…

Q: shop sells hardcover copies of a book for $18 and paperback copies for $12. The owner wants at least…

Q: Assume that A is row equivalent to B. Find bases for Nul A, Col A, and Row A. A = - 2 2 - 3 8-2-8 12…

Q: Consider the inner product space P2 (R) with (f, g) = Gram-Schmidt algorithm that results from the…

A: We have to find orthogonal basis by gram-schmidit algorithm.

Question

Please show your solution on paper. Thank you!

Question: Two years ago, a boy was 5/4 as old as his sister. In 13 years, he will be 10/9 as old as his sister. How old is the boy?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

The average American produces about 1,600 pounds of paper trash per year (365 days). How many pounds of paper trash does the average American produce each day? (Round to the nearest tenth of a pound.)
Nathaly deposited $12,500 in her bank account where it will earn 4% simple interest. How much interest will Nathaly earn in five years?
How many teaspoons are in 1 cup?
A boulder rolled down a mountain, traveling 6 feet in the first second. Each successive second, its distance increased by 8 feet. How far did the boulder travel after 10 seconds?
A piece of machinery is purchased for $8792. In 1 year, the machine depreciates 14.5%. By how many dollars does the machine depreciate in 1 year? Round the answer to the nearest dollar.
An earthquake measuring 6.4 on the Richter scale struck Japan in July 2007, causing extensive damage. Earlier that year, a minor earthquake measuring 3.1 on the Richter scale was felt in parts of Pennsylvania. How many times more intense was the Japanese earthquake than the Pennsylvania earthquake?