Question: The score N on a test varies directly as the number of correct responses a. Ellen answers 29 questions correctly and earns a score of

The score N on a test varies directly as the number of correct responses a. Ellen answers 29 questions correctly and earns a score of 87. What would Ellen's score have been if she had answered 25 questions correctly?

Step by Step Solution

★★★★★

3.57 Rating (157 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

N ka 8 7 k 29 3 k N 3a ... 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

Document Format (1 attachment)

864-L-A-L-S (404).docx

120 KBs Word File

Students Have Also Explored These Related Linear Algebra Questions!

A pitcher's earned-run average E varies directly as the number R of earned runs allowed and inversely as the number I of innings pitched. In 2010, Bronson Arroyo of the Cincinnati Reds had an...

The number of representatives N that each state has varies directly as the number of people P living in the state. If New York, with 19,254,630 residents, has 29 representatives, how many...

The weight M of an object on Mars varies directly as its weight E on Earth. A person who weighs 95 lb on Earth weighs 38 lb on Mars. How much would a 100-lb person weigh on Mars?

all of following application problems, 16-18, for the exam. The score N on a test varies directly as the number of correct responses, a. Ellen answers 30 questions correctly and earns a score of 85 ....

1. a. Given f ( x) 4 , g(x) = 3 - 2x, find and simplify the composite x2 function (f o g)(x) b. Find (f o g)(-5) where f(x) = -3x-1, g(x) = x2 - 3 2. Solve for a: 2a 2 a 15 a 9 3. Solve, and express...

The percentage score on a test varies directly as the number of correct responses. Rita answered 24 questions correctly and earned a score of 60%. What would her percentage score have been if she had...

1. a. Given (f o g)(x) , g(x) = 3 - 2x, find and simplify the composite function a Find (f o g)(-5) where f(x) = -3x-1, g(x) = x2 - 3 1 Solve for a: 2. Solve, and express the answer in interval...

1. a. Given 4 f ( x) 2 x , g(x) = 3 - 2x, find the composite function (f o g)(x) and simplify. b. Find (f o g)(-5) where f(x) = -3x-1, g(x) = x2 - 3 2. Solve for a: 2a 2 a 15 a 9 3. Solve, and...

Describing Data Once we have collected data from surveys or experiments, we need to summarize and present the data in a way that will be meaningful to the reader. We will begin with graphical...

What is an electronic exchange? Identify and briefly describe three types of exchanges based on who operates the exchange.

The DCF model assumes certainty and perfect capital markets. Thus, it is impractical to use it in most real-world situations. Do you agree? Explain.

An increase in uncertainty results in a higher implied standard deviation for the stock, which means the writer of an option requires a higher premium to compensate for the anticipated increase in...

Cochran and Cox (1957) presented data from Pauline Paul on the effect of cold storage on roast beef tenderness. Treatments are labeled A through F and consist of 0, 1, 2, 4, 9, and 18 days of...

Katherine and Alex had an adjusted gross income of g dollars. Katherine just got a $2,000 raise. They are considering moving to a new house with monthly mortgage payment m dollars, semiannual...

The Xiomaras have an adjusted gross income of $137,865. They are looking at a new house that would have a monthly mortgage payment of $1,687. Their annual property taxes would be $7,550 and their...

Lexi moved into an apartment in the suburbs and pays $1,975 rent per month. The landlord told her that the rent has increased 3.6% per year on average. Express the rent y as an exponential function...

Methods of variable selection like (Forward,backward, step-wise selection) can be quick and cheap to achieve but can present some issues. Describe 5 issues that arise with these methods of variable...

4. Construct a confidence interval around the sample mean X = 25 for the following conditions: a. N = 25, s = 15, 95% confidence level b. N = 25, s = 15, 90% confidence level c. X = 4.5, = 0.05, df =...

1. need answers for a,b,c,d Tony Begay at Saguaro Funds. Torry Begay, a currency trader for Chicago-based Saguaro Funds, uses the following futures quotes, on the British pound ( f ) to speculate on...