When did the first portable calculator appear?
a) 1987
b) 1920
c) 1955
d) 1970
d) 1970
100
Write the fraction as a decimal.
(7/8)
.875
100
Solve the equation.
-7+x=12
x=19
100
Find the perimeter of a 18ft by 11ft rectangular bedroom.
58ft
100
Simplify
18÷9(-3)
-6
200
In the 16th century the basic mathematics arithmetic operations were given names. State these four operations.
Addition, Subtraction, Multiplication and Division
200
Write the mixed number as a decimal. Round to the nearest thousandths
(22/9)
2.444
200
Simplify and solve the equation.
-8s=-56
s=7
200
Given the area of a parallelogram and either the base or height, find the unknown measurement using the appropriate formula. The area is 312mm^2 and the base is 13mm. Find the height.
Height is 24mm
200
Simplify.
25÷(-5)-18÷(-6)
-2
300
What do we owe the credit of the modern advancement of mathematics?
The computer
300
Write the decimal as a fraction.
.64
16/25
300
Solve the equation.
4c+12=6c+10.12
c=0.94
300
A rectangular laboratory tray is 3/8 feet by 7/6 feet. Find the area.
Area is 7/16 square feet.
300
Simplify.
(-5/3)^3*(-3/5)^2
-5/3
400
In 1652, French Mathematical Blaise Pascal invented the first mechanical mathematics tool. Name that tool.
Calculator
400
Write the decimal as an improper fraction.
2.225
89/40
400
Solve the equation.
(4/45)=-(1/9)f
f=-(4/5)
400
Find the area of triangle with base 25m and height 12m.
the area is 150m^2
400
(8/3)*(1/4)-(1/8)
13/24
500
What is the name of the ancient city where there was a famous library that held many manuscript and was a place where Euclid studied?
What is Alexandria
500
Arrange these numbers from least to greatest.
.675, (9/16), .6875, .56, (5/8)
.56, (9/16), (5/8), .675, .6875
500
Solve the equation.
-6(3p+7)-52=5(5p+7)
p=-3
500
Find the volume with length, width, and
height= 3 3/4 in