When making a photocopy of a 10 cm by 15 cm photograph, Elizabeth enlarged the picture by a scale factor of 150%. By what percent was the area of the photograph enlarged?

When making a photocopy of a 10 cm by 15 cm photograph, Elizabeth enlarged the picture by a scale factor of 150%. By what percent was the area of the photograph enlarged?

In a Harris Poll of 412 HR professionals, 85.3% said that the job applicants appearance is most important for a good impression. Construct a 94% Confidence Interval for the True population proportion...

a stump grinder charges $3.00 per linear inch of a diameter to grind stump out. diameter 10 inches, surface areas 79

If A is directly proportional to C and B is directly proportional to C, prove that each of the following is directly proportional to C. a) A+B b) A–B c)√AB

Nuala drives to her grandma’s. She drives at 20 miles per hour . The journey takes 50 minutes. How long would the journey take if if Nuala drove at 40 miles per hour?

I Don't know how to solve a proportional problem? Example: F1 2" + F2 8" = 1,900 In. Lbs Want to solve for F2 Answer should be 118.8 Lbs. ? assume F1 is proportional...

some people want to comapre the proportion of high school boys that smoke cigarettes to the proportion of high school girls that smoke cigarettes. use the data below to test the claim that the proportion...

You want to buy a coat listed at $54.50, but you can get a 15% off. How much would you pay with the discount

A skydiver jumps out of an airplane. After 0.8 second, she has fallen 100 feet. After 3.1 seconds, she has fallen 500 feet. Emtiaz says that the skydiver should fall about 187.5 feet in 1...

On a GSS survey, the question asked respondents to rate their confidence in congress in 1976: Confidence in Congress f (frequency) p (proportion)...

a) One gallon is equivalent to 3.78541 liters. If a fish tank holds 10.2 gallons, how many liters will the tank hold? b) Jon A. Gold picked 4 more bushels of apples than Mac N. Tosh...

Came up with two answers not surewhich one is right.

A poll taken just prior today finds that 389 of 700 registered voters intend to vote for Jake Anderson for mayor. We want to test Ho: q=0.5 where q represents the proportion of all voters who intend...

The computed test statistic (rounded to two decimal places) for a claim about a population proportion given x = 12, n = 25, p = 0.35, assuming a normal distribution is 1.86.

12 cookies = 2/5 cups of sugar 36 cookies = 1 1/5 cups of sugar

I really need homework help on solving proportions(glencoe -pre algebra) 8th grade

Goofus fast food center wishes to estimate the proportion in its city that will purchase its products. Suppose the true proportion is 0.05. If 233 are sampled, what is the probability that the sample...

How can you write a proportion that solves a problem in real life?

The full time student body of a college is composed of 50% males and 50% females. Does a random sample of students (30 male, 20 female) from an introductory chemistry course show sufficient evidence...

Three people invest different amounts of money. The total profits are $4800.00. The first person invests $9,000, the second one invests $7,000 and the third person invests $4,000. How much...