12/09/17

rate of wind and rate of plane in still air
An airplane travels 3350km against the wind in 5 hours and 3850km with the wind in the same amount of time. What is the rate of the plane in still air and what is the rate of the wind?
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12/09/17

Calculate the outer surface area of a length of pressure pipe having a wall thickness of 2.3mm, with a inner diameter of 2.54cm and length 32m
Please help solve
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12/05/17

Lisa an experienced shipping cleark can fill a certain order in 11hours. Felipe a new cleark needs 12hours to do the same job. Workig 2gether how lng wll it tak
Lisa, an experienced shipping cleark, can fill a certain order in 11hours. Felipe, a new cleark, needs 12hours to do the same job. Working together, how long will it take them to fil the order?
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12/05/17

The cost function for a certain company is c=30x+600 and the revenue is given by r=100x-0.5x^2 Recall that profit is revenue minus cost. Set up a quadratic equa
I'm taking college algebra 1111 and I have been stuck on this one problem on my homework for many weeks. please help
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12/04/17

The equation for the one c can be written as y= -3x+ 8. Line d, which is perpendicular to line c, includes the point (3,9). What is the equation of line d.
 I don’t know how to find this answer and or what the steps are?
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12/04/17

i have a problem with that, ca you help me ?
Five bottles of water and 3 bagels cost $13.53. At the same prices, 4 bottles of water and 6 bagels cost $13.92. Find the price per bottle of water and the price per bagel.
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11/05/17

a man can swim down stream at 12kmph and upstream at 6kmph . The speed of man in still water and speed of the water current respectively
A man can swim down stream at 12kmph and upstream at 6kmph . The speed of man in still water and speed of the water current respectively 
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11/03/17

what is the solution of the system of equations 5x - 4y=-10 / > this the sec 1 3x + 2y=16
i need help please :(
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11/03/17

She should blend ___ lbs of high quality beans.
Sarah Meeham blends coffee for Tasti-Delight. She needs to prepare 130 pounds of blended coffee beans selling for $4.73 per pound. She plans to do this by blending together a high-quality bean... more
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10/30/17

What was the speed of the wind? What was the speed of the airplane?
Airplanes often travel with and against the wind, which often affects their speed. The airplane from Cebu to Manila traveled against the wind at 186 kilometers per hour. From Manila to Cebu, the... more
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10/29/17

A bus traveling 40mi/h amd a car traveling 50mi/h cover the same distance. The bus travels 1 hr more then the car. How many hours did each travel?
Find the equation and then the answer?
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10/28/17

Prove: triangle ABC is congruent to triangle DCB
Given: Line AB is congruent to line CD           Line AB is parallel to line CD
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10/28/17

An aeroplane flies at 750km/h. If he flies 977km, how long will the flight be? To the nearest 30 min.
I just need to know if it is correct to devide the 977km by 750. The answer is 1.3, but rounded of to nearest 30 minutes?
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10/24/17

what are the coordinates of the center and the length of the radius of the circle?
The equation of a circle is x^2+y^2-2x+6y+3=0. What are the coordinates of the center and the length of the radius of the circle.
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10/22/17

dennis has 43.80 made up of dimes and quarters.if there are 195 coins in all, how many each type of coins are there?
word problem
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10/16/17

Algebra: Integer task
Find three consecutive integers such that the difference between three times the largest and two times the smallest integer is 30.
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10/16/17

How long will it take to drive 40 miles at 60 mph
I don’t understand how to solve this problem 
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10/12/17

Joe cut 9 lawns in 15 1/4 hours. At this rate, how long did it take him to cut each lawn?
Please help...homework problem and we cant figure it out.  
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10/11/17

IT COST $30 A DAY PLUS $0.2 A MILE TO RENT A CAR. iF THE CAR IS RENTED FOR FOUR DAYS, HOW MANY MILES CAN THE CAR BE DRIVEN ON A $160 BUDGET?
 IT COST $30 A DAY PLUS $0.2 A MILE TO RENT A CAR. iF THE CAR IS RENTED FOR FOUR DAYS, HOW MANY MILES CAN THE CAR BE DRIVEN ON
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10/11/17

Find two numbers whose product is 12 such that one of the number is four less than eight times the other number.
This is a number problem
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10/09/17

what is the inequality?
A worker is taking boxes of tile on an elevator. Each box weighs 62 lbs and the worker weighs 190 lbs. The elevator has a 2-ton weight limit. How many boxes of tile can the worker safely take on... more
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10/07/17

Two fair die rolled. What’s the probability the sum of two die is 5?
Im confused by Steve‘s answer because in my understanding there are only 2 possibilities for a sum of (5) 4,1 or 3,2. So that’s two ways out of 36?
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10/03/17

Jane went shopping and bought 2 pairs of shoes
Jane went shopping and bought 2 pairs of shoes for $80.00, the price of the second pair of shoes was $15 less than 3 times the first pair of shoes. What's the price of both shoes?
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10/03/17

word problem
max purchases a computer that is on sale for $633.60. If the sale is for 12% off the orignal price, what was the orginal price of the computer
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10/03/17

One card is selected from a standard deck of 52 playing cards. What is the probability that the card is either a spade or a four?
For the Praxis Core exam
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