02/15/16

Word problem set up

A new hospital in manchester starts out with 10 junior residents and 5 senior residents on its staff. Management plans to hire additional personnel at a rate of 2 junior residents per month and 3... more

02/14/16

could someone help me with math?

Simplify this expression, and enter your answer in scientific notation: (3×10^4)(8×10^10)/4×10^5

02/14/16

could someone help me with math?

−5.4×10^7/3×10^−21

could someone help me with math?

Find this product. Enter your answer in scientific notation. (1.3×10^5)(2.7×10^7)

how many 2" x 6" x 2" boxes would fit in a 10" x 20" x 10" box

Have to find the maximum number possible

how many cubic yards

how many cubic yards of earth must be used to make a railroad embankment 500 feet long if a cross section of the embankment is an isosceles trapezoid whose bases are 20 feet and 45 feet whose legs... more

02/13/16

could someone help me multiply this?

(-12w) x (9w)

02/13/16

What is the speed of an airports moving sidewalk if a person is conveyed 1/8 of a mile through the airport in one and half minutes while walking at his normal p

What is the speed of an airports moving sidewalk if a person is conveyed 1/8 of a mile through the airport in one and half minutes while walking at his normal pace of 300 ft./m on the moving sidewalk? more

how to write this in scientific notation?

Some cameras used in scientific research can take one picture every 0.000000161 seconds. Write this number in scientific notation.    

02/12/16

4 1/2- 3 3/4

do you know the answer to this it is  hard to figure out?

02/12/16

On a 4 1/2 hour trip, Leslie drove 2/3 of the time. For how many hours did Leslie dive

The possible answers are  3 hours 3 1/2 hours 3 2/3 hours 3 5/6 hours 

02/11/16

-7(4 -2x)=-140

nees to  find how to get what x equals  

02/11/16

Roy says he has more nickels than dimes. If he has $5.20, how many of each coin does he have?

I need help with this word problem. I do not know how to get the answer.

02/11/16

Bob sold a baseball bat at his shop and ended up with a 28% loss. Had he sold it for 290 more, he wouldve had a gain for 30%. What was the price of the bat?

If he wouldve charged 290 dollars more than what he did, he wouldve had a gain of 30%. Not a loss of 28%

1/2 students are in grade 5. how many students are not in grade 5

I believe the answer is one half

could someone help me with math?

Simplify this expression by using the properties of exponents.You may leave your answer as a number to a power. (7/8p^3 q^7)^2

could someone help me with math?

Simplify this expression by using the properties of exponents.You may leave your answer as a number to a power. (5u)^4 * (5u)^2   im so confused!

Distance rate and time

two planes leave an airport at the same time, one flying east, the other flying west. The eastbound plane travels 60 mph slower. They are 3440 miles part after 4 hours. Find the speed of each plane. 

02/08/16

The price of a certain new car increases by the same amount each yearyear

The first year it was $23600 and in the 12th year it was $32400 in which year will the cost be $36400

02/06/16

A lot is 50m by 42m. A house 22m by 9m is built on the lot. How much area is left? over?

please help! I'm totally stumped.

02/06/16

Monica earned twice as much as Samuel mowing lawns. If Monica earned $48 how much did Samuel earn?

What do I do with this question how do I solve ir

Related Rates Of Change

A man 1.5 m tall is walking at a speed of 2m/s away from a lamppost which has a lamp 5 m above the ground. Find    (a) the rate at which the length of his shadow is increasing,   (b) the speed... more

Algebra Word Problem

A jet ski went 8 miles upstream in 1 hr. The return trip took 30 minutes . Assume that the speed of the current (and its direction) was constant during both parts of the trip. Find the speed of the... more

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