Question: One car goes 30 km/h for t 1 hours, and a second car goes 40 km/h for t + 2 hours. Find the expression

One car goes 30 km/h for t − 1 hours, and a second car goes 40 km/h for t + 2 hours. Find the expression for the sum of the distances traveled by the two cars.

Step by Step Solution

★★★★★

3.43 Rating (156 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

We can start by using the formula distance rate x time to find the di... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Basic Technical Mathematics Questions!

Find the expression for the sum of the geometric series for r 1. n-1 k=0

Two cars emerge side by side from a tunnel. Car A is traveling with a speed of 60 km/h and has an acceleration of 40 km/h/min. Car B has a speed of 40 km/h and has an acceleration of 60 km/h/min....

A system goes from state 1 to state 2 and back to state 1. (a) What is the relationship between the value of E for going from state 1 to state 2 to that for going from state 2 back to state 1? (b)...

- Question 1 Find y when x = -7. Do not round your answer. 1 point y = 2x3+ 212 + 1 25 Number Help y = NumberQuestion 10 One car travels 30 km/h for t hours, and another car travels 40 km/h for t + 1...

Section 1 - Production Planning One of the leading Pasta worldwide pasta manufacturing companies (DCC) established a production plant in Bedfordshire in 2009. The Logistics and Production Planning...

The bottom part includes explanations to a similar problem I got wrong while the top I need help on. 4 . First-order linear model In the United States, tire tread depth is measured in 32nds of an...

Final Review Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Which of the following is a pair of scalar quantities? a. Speed Distance c....

9/14/10 12:39 PM Page 381 Chapter dug84356_ch06a.qxd 6 Rational Expressions Advanced technical developments have made sports equipment faster, lighter, and more responsive to the human body. Behind...

Exercises: MODULE 3 LINKING RATIO, RATE, AND PROPORTION Lessons Target: Write ratios in different ways; Express ratio in simplest form; Determine two ratios as a proportion; Find the missing the term...

The distance in miles of a car from its starting point after t hours is given by the formulaf(t)=40t. (a) What is the average rate of change off(t)betweent=4andt=6 (b) What is the average rate of...

A copper tube of initial diameter D-80mm and 120mm in length. It is proposed operation, reducing its thickness from 10mm to 8mm. The required TNT charge weight using (12.5M) explosive forming...

With reference to exercise 3.32, find the probability destiny of X and use it o recalculate the two probabilities. In exercise Find P(- 1/2

The financial assistance rule in some countries does not exempt the following: Select one: a.Merger relief process b.Sale of premium shares c.Distribution of winding up assets d.Court approved...

Outline three eating disorders and discuss what causes them.

Reanalyze the data in Table 8.15 (p. 323) using nonparametric methods, and compare your results with those obtained in Problem 8.41 (p. 324). Table 8.15 Reproducibility of assessment of number of...

What nonparametric test can be used to compare the distribution of pod weight for inoculated vs. noninoculated plants? Microbiology Refer to the data in Table 8.28 (p. 330). Table 8.28 Pod weight (g)...

Use the computer to perform a permutation test approach to implement the test mentioned in Problem 9.42 and report a two-tailed p-value? Microbiology Refer to the data in Table 8.28 (p. 330). Table...

1a. A new restaurant is ready to open for business. It is estimated that the food cost (variable cost) will be 40% of sales, while fixed cost will be $431,469. The first years sales estimates are...

I need the solution to solve this problem Based on the following data, what is the firm's ROE? Profit margin: .20 Asset turnover: .10 Total assets (book value): 2,000 Equity (book value): 500 Select...

The market portfolio has expected return of 14.5% ; the risk free rate is 5.5% ; and the beta of Stock A is 1.37. An analyst has estimated that the expected return of Stock A, given its current price...