Simple Equations
X + 12 = 7
X = -5
1.1x + 1.2x -5.4 = -10
x = -2
3k-1 = 7k + 2
k = -0.75
Solve for y. 6=4x+9y.
y=(2/3) - (4/9)x
14m = _ft?
45.92ft
A triangle has angles of 67 and 56 degrees. What is the missing angle?
57
21(2-x) + 12x = 44
x = -(2/9)
12(2w-3) = 6w
w = 2
Solve for P.
I=Prt
P = I/rt
15cm = _in?
5.91in
5/6 = 1/3 + d
d = 1/2
6(5-8V) + 12 = -54
V = 2
0.1x = 0.2(x + 2)
x = -4
Solve for w.
g=1/6(w+40)
w=6g-40
A triangle has side lengths of 9ft, 12ft, and 15ft. How many meters is the perimeter?
10.8m
A gym teacher orders 42 tennis balls. Each package contains 3 tennis balls. Which of the following equations represents the number x of packages?
3X = 42
The cost of making "n" watches is represented by C = 15n + 85. How many watches are made when the cost is $385?
20 watches
One serving of oatmeal provides 16% of the fiber you need daily. You must get the remaining 21 grams of fiber from other sources. How many grams of fiber should you consume daily?
25 grams
Solve for V.
B=3(V/h)
V=Bh/3
The fuel efficiency standard for cars in Japan is 20 kilometers per liter. The fuel efficiency standard for cars in the United States is 28 miles per gallon. Which country has greater fuel efficiency standards?
Japan
After earning interest, the balance of an account is $420. The new balance is (7/6) of the original balance. How much interest was earned?
$60
Your order two servings of pancakes and a fruit cup. The cost of the fruit cup is $1.50. You leave a 15% tip. Your total bill is $11.50. How much does one serving of pancakes cost?
$4.25
x+6 = x
No Solution
The Formula K=(5/9) x (F-32) + 273.15 converts temperatures from Fahrenheit to Kelvin.
Solve for F.
F=32 + (9/5) x (K - 273.15)
Your shampoo bottle is 80% full. The total volume of the bottle is 565 cubic centimeters. How much shampoo have you used in millimeters?
113,000mm cubed