It is algebra a bit

It is algebra a bit

An airplane takes 5 hours to travel a distance of 4000km against the wind. The return trip takes 4 hours with the wind. What is the rate of the plane in still air and what is the rate...

how do i solve this problem

At the top of the Empire State Building, a woman's glasses accidently fall off her face while she was looking down. The equation relating h, the height above the ground in feet, and t, the time in...

1. The tens digit exceeds the units digit by 3. If the units digit is r what is the value of the number ? 2.I have 4 more quarters than dimes and 3 less pennies than dimes. What...

A 5000 seat theatre has tickets for sale at $25 and $40. How many tickets should be sold at each price for a sellout performace to generate a total revenue of $141,500?

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In the 2011 season, Drew Brees of the new orleans saints completed 468 passes. This was 71.2% of his attempts. How many attempts did he make?

Paul has three times as many dimes as nickels and twice as many quarters as dimes. In all she has $5.55. How many coins of each type does she have?

The function h = -16t2 + 16t + 410 gives the height h, in feet, of a coin tossed upward from a balcony 410 feet high with an initial velocity of 16 ft/sec. During what interval of time will...

If a rocket is propelled upward from the ground at 98 m/sec, its height after t seconds is given by h = -4.9tÂ² + 98t. During what interval of time will the rocket be higher than 445.9 m? Question...

A local bank has a debit card that gives a $3 reward each month you use your card for $50 or more in purchases. Write an equation relating rewards earned, y, to total monthly purchases, x. give the...

The lengths of three sides of a regular hexagon are (12x+9y) cm, (7x+6y+3) cm and (4x+5y+2) cm. Find, (a) the values of x and y (b) the perimeter of the figure

A biker mixed 11 pounds of raisins that cost $2.30 per pound with peanuts that cost $4.50 per pound to make a mixture that cost $3.29 per pound. How many pounds of peanuts did the biker use?

The number of teachers in a school varies with the number of students in the school so that there are fifteen times as many students as teachers. A. identify the varying quantities in this...

A pyro technician plans for two fireworks to explode at the same height in the air. Firework A travels at 280ft/s, firework B travels at 180ft/s. Firework B is launched 0.25 seconds before firework...

the speed of a stream is 5mph. a boat travels 9 miles upstream in the same time it takes to travel 19 miles downstream. what is the speed of the boat in still water?

Two barrels of the same size contains water. They both have a hole at the bottom. One takes 10 hours to finish leaking while the other takes 8 hours. When does one of the barrel contain twice as much...

need help by like 30 mins. full question: In a recent form captain election, Jono received 40 votes more than 40% of the votes. David received 10 votes more than 10% of the vote and Salah...

Janelle is planning a party. The cost for 20 people is $290. The cost for 45 people is $590. Write an equation in point-slope form to represent the cost (y) of having a party for (x) people.

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