# Makaila

Most popular questions and responses by Makaila
1. ## Algebra

Shirley is drawing triangles that have the same area. The base of each triangle varies inversely with the height. What are the possible base and height of a second triangle if the first triangle's base is 12 and its height is 8? Select one: a. 120 and 80

asked on April 6, 2016
2. ## Algebra

A store is selling two mixtures of coffee beans in one-pound bags. The first mixture has 12 ounces of Sumatra combined with 4 ounces of Celebes Kalossi, and costs \$15. The second mixture has 4 ounces of Sumatra and 12 ounces of Celebes Kalossi, and costs

asked on April 6, 2016
3. ## Statistics

A doctor want to estimate the HDL cholesterol of all 20- to 29- year old females. how many subjects are needed to estimate the HDL cholesterol within 3 points with 99% confindence assuming s=10.5. Suppose the doctor would be content with 90% confidence.

asked on October 7, 2016
4. ## Math

Pairs of markings a set distance apart are made on highways so that police can detect drivers exceeding the speed limit. Over a fixed distance, the speed R varies inversely with the time T. For one particular pair of markings, R is 60 mph when T is 8

asked on August 7, 2015
5. ## Math

in a recent year, a single person could expect to pay \$4550 in income taxes on an adjusted gross income of \$35,000. how much more tax should the person expect to pay if her adjusted gross income increased by \$4000, knowing that this would not move her into

asked on July 24, 2015
6. ## Math

A hotel manager found that his gross receipts for the day, including a 9% sales tax, were \$3927.27 . Find the amount of sales tax collected

asked on July 13, 2015
7. ## Math

What is the volume of a square glass window with a side length of 1 3/4 ft and a width of .08 ft?

asked on March 4, 2015
8. ## math

suppose 8 out of every 20 students are absent from school less than 5 days a year. Predict how many students would be absent from school less than 5 days a year out of 40,000 students.

asked on October 14, 2014
9. ## Statistics

Find the minimum sample size n needed to estimate u for the given values of c, s, & E. c=0.98, s=6.5, & E=1.?

asked on October 7, 2016
10. ## Digital Circuits

which is the primary purpose of a resistor in series with a led being driven by a flip-flop a. Limit voltage b. Limit current c. Limit speed d. Limit power

asked on May 31, 2015
11. ## Math

For each quadratic function, find the axis of symmetry of its graph. y=3x^2-6x+4

asked on May 28, 2015