439 Answered Questions for the topic Pre-Algebra

Pre Algebra Pre Algebra help

08/26/17

Which expression represents the undefined slope of a line?
A- -1-5/4-2 B- -5-3 / 2-2 C- 3-(-1)/-1-(-2) D- 5-(-2)/ 1-3  Please help me! Thank you!
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Pre Algebra Pre Algebra help

08/26/17

Which expression represents the positive slope of a line?
A- 1-(-2) / 0-2 B- -2 - (-2)/ 1- (-2) C- 6-2/ 3-1 D- 3-2/ 2-5  Is it B or C I am not sure.
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Pre Algebra Pre Algebra help

08/25/17

Which ordered pair does NOT satisfy the equation y = x + 2?
Which ordered pair does NOT satisfy the equation y = x + 2?
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Pre Algebra

08/14/17

solve the following system of equations
7x-8y=-5 -8x+9y=6
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Pre Algebra Math Math Help

08/02/17

What is the total interest on a $1,000 loan at the end of two years?
A credit card company charges 10% simple interest. What is the total interest on a $1,000 loan at the end of two years?
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Pre Algebra Math Math Help

08/02/17

Which formula represents interest earned after the first three months by an account that compounds quarterly (every 3 months)?
A. I = P • R ÷ 12B. I = P • RC. I = P • R ÷ 4D. I = P • R • 3
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Pre Algebra Math

08/01/17

How much would it cost to rent a car for a 15-day trip, and drive 475 miles each day?
The cost of renting a car is given by the formula C = 50n + 0.15d, where C is the cost in dollars, n is the number of days rental, and d is the distance driven in miles. How much would it cost to... more
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Pre Algebra Math

08/01/17

How much would it cost to rent a car for a 14-day trip, and drive 375 miles each day?
The cost of renting a car is given by the formula C = 50n + 0.15d, where C is the cost in dollars, n is the number of days rental, and d is the distance driven in miles. How much would it cost to... more
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Pre Algebra Math

08/01/17

Find C when F = 95°.
The formula for converting degrees Fahrenheit (F) to degrees Celsius (C) is C = 5 over 9(F − 32). Find C when F = 95°. A. 35°B. 21°C. 315°D. 63°
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Pre Algebra

07/31/17

Round 34.6737 to the nearest thousandth. A. 34.68 B. 34.674 C. 34.7 D. 34.673
Round 34.6737 to the nearest thousandth.A. 34.68 B. 34.674C. 34.7 D. 34.673
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Pre Algebra

07/30/17

. Use prime factors to find the GCF of 168 and 252? . 168=..... 252=....... GFC=......
Use prime factors to find the GCF of 168 and 252.... 168=..... 252=....... GFC=......
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Pre Algebra

07/26/17

write and solve an inequality to find how long it will take you to travel the 105 miles from Orlando to St.Augustine if you travel at or below the speed limit?
the speed limit on highways in Florida is 70 miles per hour
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Pre Algebra

07/07/17

Martin had 7 pounds of grapes left, and he gave away 2 /5 of them. Explain how to use compatible numbers to estimate the amount of grapes he gave away
This question is relatable to compatible numbers and multiplying fractions.
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Pre Algebra

07/06/17

Odell has the same number of quarters,dimes , and nickels . In all he has $4 in change. How many of each did he have
It is any type of strategy to solve this problme  
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Pre Algebra

06/01/17

how many adult and how many student tickets were sold?
tickets for the school play sold at $3 each for adults and $1.75 for students. If there were three times as many adult tickets sold as student tickets, and the total receipts were $322.50, how many... more
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05/13/17

calculate the total cost of the membership to each fitness center if enrolled for 12 months. which is cheaper?
jamal is deciding which fitness center to join. joe's gym charges an initial membership fee of $120 for the first month, and $24 for each additional month. king gym charges an initial membership... more
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Pre Algebra

05/03/17

Find the measurement of the angle and its supplement
The ratio of the measurement of an angle to its supplement is 3:5. Find the measurement of the angle and its supplement
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Pre Algebra

04/27/17

Finding the square operational key on a calculator 4/7inch on each side
 I need to find the square operation key on a calculator is 4/7inch on each side. What is the area of the key? Use the formula 8 equals to the second power
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Pre Algebra Math Algebra School

04/27/17

Pre-Algebra Story Problem.
A store window has a perimeter of 18 feet. The width is 6 feet. Find the length and the area.
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Pre Algebra

04/26/17

Pre-Algebra Averages problem
Justin threw a football as far as he could 3 times and had an average of 49 yards. He threw it again and his new average was 37 yards. How far was his fourth throw?
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Pre Algebra

04/25/17

simplify mixed number percent to decimal
Change the percent to a fraction and simplify. Please help! Include steps so I can do the others on my own. Thank you!!!
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03/30/17

Mrs.Jennings drives about 16,000 miles per year in her work vehicle.
The vehicle manufacturer guarantees that the car will last at least 220,000 miles before needing extensive repairs.   What is an inequality that can be used to determine the number of years, y,... more
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Pre Algebra

03/30/17

One of the managers suggests that they could cut the volume of plastic used to make the paper weights in half if they cut the side length of the base in half.
is the managers reasoning correct? Explain.   volume=300 cubic centimeters   side length=10 cm   its a square pyrami by the way
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Pre Algebra

03/30/17

The base of the pyramid is 10 centimeters, how tall should the pyramid be in order to have a volume of 300 cubic centimeters?
I don't know how to solve this
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Pre Algebra

03/30/17

Ines made a pyramid out of sand. The volume of her pyramid is 128 cubic inches. Pyramid is 6 inches tall. What is the side length of the base?
I'm not sure on how to solve this question
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