Perimeter and Area
Find the perimeter of a triangle with sides of 5 feet, 12 feet, and 13 feet.
30 feet
Solve the equation:
3g - 12 = 9g
g = -2
Write an inequality for the sentence:
More than 35,000 people attended the football game.
x > 35,000
Solve the inequality:
a + 18 < 40
a < 22
Solve:
3(d+2) = 12
d = 2
An equilateral triangle has three sides of equal length. Find the perimeter of an equilateral triangle with side length of 12 inches.
36 inches
Solve the equation:
20x + 4 = 13x - 10
x = -2
Write an inequality for the sentence:
Toby's new guitar will cost at least $350.
x is greater than or equal to 350
Solve the inequality:
y - 4.2 < 6.5
y < 10.7
Solve:
3 = 4(x+2)
x = -5/4 OR x = -1.25
Find the area of a triangle with a base of 16 feet and height of 6 feet.
The area is 48 sq. feet
Solve the equation:
6a - 10 = 2a - 7
a = 3/4 or 0.75
True or False: 4a + 5 > 16; a = 4
True
Solve the inequality:
(7/2)x > 63
x > 18
Solve:
4(x+5) = 3(2x+4)
x = 4
The area of a rectangle is 319 sq. km. Its width is 11 km. Find its length.
29 km
Four times a number is 21 more than the number. What is the number?
7
True or False: 5x + 8 > -10; x = -3
True
Brian spends $0.75 every time he plays his favorite video game. If he has $10, write AND solve an inequality to find how many video games he can play.
0.75x < 10
AND
x < 40/3 OR x < 13.33
Solve:
20f + (-8f - 15) = 3(4f - 5)
All real numbers
The area of a right triangle is 96 sq. miles. It was a height of 12 miles. What is the base?
16 miles
A phone company charges $20 a month plus $0.10 per minute on phone calls.
A different phone company charges $10 a month plus $0.50 per minute on phone calls.
How many minutes of phone calls will they cost the same?
25 minutes
True or False:
120/x > 40; x = 3
False
Solve the inequality:
11 - 2g > -7 - 8g
g > -3
Multiple Choice: You and three friends are going to the fair. The cost for parking is $5 per car and admission to the fair is $19 per person. If you have a total of $113, how much can each person spend on food?
A $4
B $8
C $12
D $24
B $8