how do I solve this word problem?

A firefighter is on the fifth floor of an office building. She needs to throw a rope into the window above her on the seventh floor. The function h = -16r2 + 36t  models how high above her she is... more

solve the problem

if 4-x = 1/6, what does 16x equal?

05/09/17

A multi-plate capacitor has n no. of plates. Find the no. of capacitors in it.

my doubt is whether the answer is n/2 or n-1.

05/09/17

The exponential of a city is 10 million, with exponential growth rate 5%.

In how many years will the population triple the size?

05/09/17

What is the maximum height that the flare reaches

The height above the ground of a launched object is a quadratic function of the time that it is in the air. Suppose that a flare is launched from a cliff 64 ft above sea level. If 3 sec after being... more

PLEASE HELP ME answer this

If the voltage V in an electric circuit is held constant, the current I is inversely proportional to the resistance R. If the current is 40 amperes when the resistance is 285 ohms, find the current... more

PLEASE HELP ME answer this

The amount P of pollution varies directly with the population N of people. City A has a population of 494,000 and produces 260,000 tons of pollutants. Find how many tons of pollution we should... more

05/09/17

the development of the printing press in Europe led to increased

what did it lead to 

word problem

You drop a pencil out a window that is 20 ft above the ground. Use the formula V2 = 64s, where V is the distance fallen, to calculate the speed the pencil is traveling when it hits the ground.

express as a difference of logarithms log m/n

log m/n.... m and n are in fraction form right next to Log

05/09/17

who is the leader in a country that has a parliament

I WANTED TO KNOW THE ANSWER.  

Tommy walked 4 miles east to Timmy's house. Then he walked 3 miles south. How far do Tommy and Timmy live from each other?

It needs to tell me the shortest way to each others house from where they are now using the Pythagorean Theorem.

05/08/17

1st grade word problem.

Keith has more than 70 cents but less than 90 cents. Hey buys one of the food items (orange for 30 cents, pear for 43 cents or bananas for 60 cents). He has 12 cents left. Which food does he buy?

05/08/17

Jolanda started an art project at 9am and finished at 9:50am. The _____ for the project was 50 minutes. Vocab, whats the blank?

3rd grade math question. Vocabulary. Pearson topic 16 lesson 16-5

Probability of a Campsite?

A campsite is in the shape of a rectangle. The green region represents campsites with shade. The yellow represents campsites without shade. Your campsite is randomly assigned. What is the... more

What is 10n = 5n + 5?

It's an equation I need to learn

Samuel Gompers led the American Federation of Labor.

please help

Problem 22

Find the volume of a sphere with a radius of 10 and put your answer in Pi form

rocket launched from 20 feet above ground velocity of 128 feet per. sec equation h= -16t+ 128t +20

use equation to find exact time rocket is at 150 feet above the ground And use a graph to estimate when rocket is at 150 feet

Find the cube roots of 27i, and sketch these roots in the complex plane.

I'm having a really hard time understanding this! Please help!

Write sin2x-sin5x as a product of trigonometric functions.

please help! I'm very confused!

If A is a matrix of order 1 x 3, B transpose is a matrix of order 1 x 3 , then it is possible to carry out the operation?

The choices are ( A + B , B transpose + A transpose , AB(transpose) , AB. I know that A + B and B transpose + A transpose is wrong. My teacher said that AB is the correct answer but why not also... more

05/08/17

Discrete math: proving by contradiction. . .

Prove by contradiction: If an integer n has the form 3K+1, then it does not have the form 9L+5.

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