The following list shows the elevations (in feet) of several volcano summits above or below sea level.
641, 3976, 610, -59, 1718, 1733, and -137
Order the elevations from lowest to highest
-137, -59, 610, 641, 1718, 1733, and 3976
Evaluate the following when x = -3:
-7
Solve:
x = 15
Solve. Then describe the graph of the solution.
4x + 9 < 25
Solution: x < 4
Graph: open dot; arrow left
Solve the equation
d = -4 or d = 9
Order the following numbers from least to greatest:
You are selling homemade candles at a craft fair for $3 each. You spend $120 to rent the booth and buy materials for the candles. Find your profit if you sell 75 candles
$105
Solve:
p = 9
Solve. Then describe the graph of the solution
Solution:
Graph: closed dot; arrow right
Solve the equation. Check for extraneous solutions.
Solution: x = 5
Extraneous Solution: x = -1
Part A: What property of addition allows me to say the following:
7 + (4 + 3) = (7 + 4) + 3
Part B: What property of multiplication allows me to say the following:
5 * 3 = 3 * 5
Part A: Associative Property of Addition
Part B: Commutative Property of Multiplication
Simplify the expression:
8(x - 3) - 2(x + 6) + 15x
21x - 36
Solve the equation:
x = -1
Solve. Then describe the graph of the solution.
Solution: x < 3
Graph: open dot; arrow left
Solve. Then, describe the graph of the solution
Solution:
Graph: open dot at -9/2; arrow left. open dot at 2; arrow right
On a track at an Air Force base in New Mexico, a rocket sled travels 3 miles in 6 seconds. What is the average speed in miles per hour?
1800 miles per hour
Part A: Write a simplified expression for the perimeter of the figure
Part B: Then, evaluate the expression for the given value of the variable
Part A: Perimeter = 10n + 24
Part B: Perimeter = 10 (2) + 24 = 44 units
Solve the equation. If there is no solution, write "no solution." If the equation is always true, write "All real numbers"
No solution
You have $50 to spend at a county fair. You spend $20 for admission. You want to play a game that cost $1.50. Describe the possible numbers of times you can play the game.
You can play the game 20 times or fewer
Solve. Then describe the graph of the solution.
Solution:
Graph: closed dot at -5; arrow between -5 and 4; closed dot at 4
The average weight of the blue whale (the largest mammal) is 120 tons. The average weight of the bumblebee bat (the smallest mammal) is 0.07 ounces. Finish this statement:
The blue whale is about _____ as many times heavy as the bat (round to the nearest whole number)
The blue whale is about 5485714 as many times heavy as the bat.
You are buying 25 fish of goldfish, tetras, and rainbowfish for an aquarium.
Goldfish - $1.50 each
Tetras: $2.00 each
Rainbowfish - $8.00 each
If you buy 8 goldfish, 10 tetras, and the rest rainbowfish, what is your total cost?
$88
When Isaiah returned from vacation, he turned the heat back on in his home. He set the temperature as high as it could go. "Q" represents the temperature in Isaiah's home (in degrees Celsius) after "t" minutes:
Q = 15 + 0.4t
1.) What was the temperature when Isaiah returned from vacation?
2.) How long will Isaiah need to leave the heat on to reach a temperature of 318 degrees C?
1.) 15 degrees C
2.) 757.5 minutes
Canoe rentals costs $18 for the firs two hours and $3 per hour after that. You want to canoe for more than 2 hours, but can spend no more than $30. What is the total number of hours you can canoe?
Up to 6 hours of canoeing
(2 hours for the first $18, then 4 hours at the $3 rate)
Great job, Julia!
A baseball has a cushioned cork center called the "pill." The pill must weigh 0.85 ounce, with a tolerance of 0.05 ounce.
1.) Write an absolute value inequality to model this situation.
2.) Find the acceptable weights for the pill.
1.)
2.) Between 0.8 and 0.9