Solve by using Models that are square root function

The formula v=√20L can be used to estimate the speed of a car, v, in miles per hour, based on the length, L, in feet, of its skid marks upon sudden braking on a dry asphalt road. If a car is... more

12/03/14

Solve the problem

Julie and Eric row their boat(at a constant speed) 24 miles downstream for 4 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 6 hours. Find the rate of... more

12/03/14

what must her grade point average be in order to be unconditionally accepted into her program?

An unconditional acceptance into a graduate program at a university will be given to students.whose GMAT score plus 200 times the undergraduate grade point average is at least 1250. Robins GMAT... more

When and Where will walker A pass Walker B?

Suppose two people began walking in the same direction at different average speeds. Walker A starts at the 0.5 meter mark and waljs at a speed of 1m/s. Walker B starts at the 2-meter mark and walks... more

12/03/14

How many digits?

How many 3-digit numbers can be formed using the digits 0, 1, and 2? Repeated digits are allowed.

Solve the following

Solve the following quadratic inequality algebraically, and write the answer in interval notation:   (x+4)(x-4) greater than -6x

college algebra word problem

i am stuck on the following problem. here is a pic of the problemhttp://imgur.com/CvLAT0Pany help would be appreciated

12/03/14

Word Problem

The perimeter of a rectangular field is 300 meters. This field is to be fenced along three sides only. The fencing along its two lengths and one width is to be done at $50 per meter. If the total... more

12/02/14

How long does it take the second worker to do the same job alone?

one custodian cleans a suite of offices in 4 hours. When a second worker is asked to join the custodian it takes the both of them 2&2/3 hours. How long does it take the second worker to do the... more

12/02/14

Find the volume of the prism.

  Find the volume of the prism.64√(13) cu. ft.96 cu. ft.

12/02/14

what division sentence means the same as the following subtraction sentences

12-4=8 8-4=4 4-4=0

12/02/14

i need help with a word problem

This is the word problem   There are 912 yellow chairs and blue chairs altogether in an auditorium.the blue chair are arranged in 36 rows with 12 chairs in each row. The are arranged in rows of... more

What is 28 out of 84 (28/84) reduced and as a percentage?

Homework.

2 rockets fly from 2 places, 1317 miles apart. 1 flies at a speed of 9000 mph, the other at 21000. What is the distance between them 1 minute before collision?

This is a question from my homework but I am not sure how to do it. Please help.

12/02/14

The total area of the rectangular prism shown is

https://clackamasweb.owschools.com/media/g_geo_ccss_2014/8/boxa.gif     The total area of the rectangular prism shown is   30 sq. ft. 50 sq. ft. 62 sq. ft.

12/02/14

1.P(THH)? 2.P(exactly 2 tails)? 3.P(at most 1 tail)?

Three fair coins are tossed: a penny, a dime, and a quarter. Find the sample space with all the outcomes equally likely. Then find each probability. 1.P(THH)?2.P(exactly 2 tails)? 3.P(at most 1... more

12/02/14

Write and solve a linear equation to find the monthly rent for a 1500 square foot office.

The monthly rent for an 800 square foot office is $975. For an 1100 square foot the rent is $1125. 

Setting up a word problem

A basic cellphone plan cost $25 per month for 60 calling minutes. Additional time cost $0.80 per minute. The formula C=25+0.80(x-60) gives the montly cost for this plan, C, for x calling minutes,... more

lnx + ln(x-4) = ln5

what is the answer to the question:   lnx =+ ln(x-4) = ln5

12/01/14

Simplify this equation

Simplify: 12n(square root of 14n)^2

how many pounds of each fruit did he sell?

sold 69 pounds of fruit total; 18 more pounds of apples than plums;9 less pounds of peaches than pounds of plums

12/01/14

There are 7 more girls than boys in Hollys class. .....

There are 7 more girls than boys in Hollys class. There are a total of 25 students in the class, how many girls and boys are in the class?

12/01/14

how to turn 8 5/6 % inot a fraction ?

This is for my daughter and I can't remember how to do it!!!! Please help

12/01/14

what is the slope intercept form of the equation y-7=9/4 (x+8)

What is the slope intercept form of the equation y-7=9/4 (x+8) I really do not have any more information on this topic because I just started a new school and the teacher will not help me.

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