01/23/17

In a straight line, how far is it from the zoo to Don's home?
Don drove home from the zoo. He drove 24 miles east, 27 miles south, and then another 12 miles east to his home. In a straight line, how far is it from the zoo to Don's home?
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01/23/17

this is a discussion question: i need to explain. would it be better to receive a 5%raise and then an 8% raise or the other way around?
I need to explain which would be better the 5% first then the 8% or the 8% then the 5%    
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01/23/17

A sail boat is traveling north at 10 km/h, relative to the water. The water is flowing north at 5 km/h. What is the velocity of the boat to the ground?
A sail boat is traveling north at 10 km/h, relative to the water. The water is flowing north at 5 km/h. What is the velocity of the boat to the ground? What is the equation needed???
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01/22/17

How do I simplify expressions with negative exponents
The number of seconds there are in 1 millisecond
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01/22/17

Algebra two word problem
The senior classes at high school A and high school B planned separate trips to the state fair. the senior class at high school A rented and filled 1 van and 3 busses with 73 students. High school... more
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01/22/17

Trig Angles Question
In triangle ABC, B=120 degrees, C = 10 degrees and c=29 inches. find b. Apply the rules regarding the use of significant digits
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01/18/17

one fork and five knives balance 4 spoons.also 3 knives balance 2 forks and 2 spoons.then how many forks balance 2 knives and 2 spoons
question is been relates to junior maths olympiad prectice test.for class 5
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01/18/17

Each morning you feed your dog 3/4 cup food. At night you feed him 1/3 cup food. You buy a bag of dog food that has 40 cups. How many days will the bag last?
PLEASE HELP
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01/18/17

2 Word Problems
1. The area of a square is 3 square inches bigger than the area of a rectangle. The width of the rectangle is 3 inches shorter than one side of the square, and the length of the rectangle is 4... more
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01/18/17

Problem solving
Old Macdonald has a total of 100 chickens and goats in the barnyard. If he counts 286 feet altogether how many chickens and how many goats does Old Macdonald have ? how Can I solve this problem... more
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01/18/17

Provide a geometric picture to represent the perfect square 25?
Also what is the significance of the side lengths? Can a square root be determined by using the picture?
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01/17/17

physics mass question, please help :)
We observe a moon going around a planet. The moon orbits with a period of 7.3 days and with an orbital radius of of 3.5 x 107 meters. Find the mass of the planet. Give your answer ...in terms of... more
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01/17/17

physics speed/orbit question, please help :)
Consider a planet with a mass of 2.9 x 1024 kg. We want to put a satellite in orbit with an orbital radius of 5.7 x 106 meters. At what speed should the satellite go to have a perfectly circular... more
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01/17/17

physics gravitational force question, help please :)
A physicist is trying to measure the gravitational force between two lead spheres. The first sphere has a mass of 7.2 kg and the second sphere has a mass of 11.4 kg. The two spheres are measured to... more
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01/17/17

Problems s
If Sam walks 650 meters in x minutes then write an algebraic expression which represents the number of minutes it will take to walk 1500 meters at the same average rate
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01/17/17

What will be the height of this dome?
A hemispheric dome is needed to cover a circular region having an area of 1000 square feet. 
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01/17/17

Math problems
In which quadrants(I,II,III,and/or IV) will you find ordered pairs for which x>-3 and y<0?
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01/17/17

Problem solving
the averag of x,y,z is 80.If two of the numbers are 74 and 78,then what is the other number?   pls can someone explain that
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01/17/17

Two ships arrive at the same destination at the same time. One traveled at 16 km/h on a course of 277 degrees. The other at 14km/h on a course of 230 degrees. H
How far apart would the two ships be at 2 hours? Grade ten trigonometry using sine law. Just having sone trouble picturing this in my head.
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01/17/17

At 10:30 am two planes leave Houston, one flying east at 560 km/h and the other flying west at 640 km/h. At what time will they be 2100 km apart?
560x+640x=2100
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01/17/17

I'm flipping a coin and guessing 10 times. I want to guess correctly at least 3 times. How many winning combinations of 10 flips are there?
What if I want to guess correctly at least 8 times? Please explain the method used to answer the question.
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01/17/17

the difference between two numbers is 6. Twice the larger number is 5 more than 3 times the smaller. Find the numbers.
I do not understand how to work the problem, and I would like to receive help on how.
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01/17/17

in search of a function
An object is traveling in a straight line so that its position (that is, distance from some fixed point) is given by this table:   time (seconds) 0 1 2 3distance (meters) 0 10 25 60   i need to... more
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01/16/17

What is the wind speed?
An airplane makes a 990-mi flight with a tail wind and returns, flying into the wind. The total flying time is 3h 20min, and the plane's airspeed is 600mph. What is the wind speed?
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01/15/17

In a recent presidential election,Ohio had 20 electoral votes.This is 14 votes less than Texas had.How many electoral did Texas have?
IT based onn addition and subtraction equations
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