web
2.0
calc
Register
Login
Information
This feature requires your approval of cookies
You can approve cookies in the notification bar at the top of this window
Username
Password
Login
forgot your password?
Home
Forum
^{+0}
Widgets
Formulary
Maths
Help
Complex Numbers
Integral Calculus
Differential Calculus
Equations
Graphs
Linear Algebra
Number theory
Percent
Standard Functions
Statistics
Trigonometry
Unit Conversion
Units
About
Imprint
Privacy Policy
Terms of Service
Credits
Google+
Facebook
Contact Email
Mathisfornerds
Username
Mathisfornerds
Score
129
Stats
Questions
16
Answers
1
33 Questions
1 Answers
0
97
1
+129
Trigonometry
From a point on a line from the base of the Washington Monument, the angle of elevation to the top of the monument is 42.0°. From a point 100 feet away from on the same line, the angle to the top is 37.8°. Find the height,
read more ..
●
Mathisfornerds
May 4, 2018
0
88
1
+129
Trigonometry
the angle of elevation to the top of the Egyptian pyramid Cheops is 36.4°, measured from a point 350 feet from the base of the pyramid. The angle of elevation from the base of a face of the pyramid is 51.9°.
read more ..
●
Mathisfornerds
May 4, 2018
0
80
3
+129
Trigonometry
A submarine traveling 792 feet per minute is descending at an angle of depression of 5°. How many minutes does it take the submarine to reach a depth of 200 ft?
●
●
●
Mathisfornerds
May 3, 2018
0
79
1
+129
trigonometric
Find the value of the following and show work
1. sin 20°
2. cos 80°
3. tan 35°
read more ..
●
Mathisfornerds
May 3, 2018
0
59
0
+129
Math
In MNP, M is a right angle. Write the tangent of N as a ratio of side lengths.
Mathisfornerds
Apr 29, 2018
0
115
1
+129
Area
Find the area of each regular polygon. Round to the nearest tenth.
1. an equilateral triangle with an apothem of 2 ft.
2. a regular dodecagon with a side length of 5 m.
read more ..
●
Mathisfornerds
Apr 22, 2018
+1
104
1
+129
tea pitcher
A tea pitcher at a banquet holds about 12 cups of tea. When the pitcher has 1 glass or less of tea left, the waiter dumps the tea out and pours in a pitcher full. Each tea glass at the banquet holds 8 ounces of tea. Assuming each person fills his or her
read more ..
●
Mathisfornerds
Apr 16, 2018
0
97
1
+129
lateral area
The formula for calculating the surface area of a cone is A=πr^2 + πrl, where ''l'' represents the lateral area. Solve the formula for l.
●
Mathisfornerds
Apr 13, 2018
0
86
0
+129
tea pitcher
A tea pitcher at a banquet holds about 12 cups of tea. When the pitcher has 1 glass or less of tea left, the waiter dumps the tea out and pours in a pitcher full. Each tea glass at the banquet holds 8 ounces of tea. Assuming each person fills his or her
read more ..
Mathisfornerds
Apr 13, 2018
0
186
1
+129
cell phone
In 1985, there were 285 cell phone subscribers in the small town of Centerville. The number of subscribers increased by 75% per year after 1985. How many cell phone subscribers were in Centerville in 1994?
●
Mathisfornerds
Apr 13, 2018
0
84
1
+129
Coefficient
In the equation y=-13.1x - 4, what is the coefficient?
●
Mathisfornerds
Apr 12, 2018
0
101
1
+129
Consecutive even integers
The sum of 4 consecutive even integers is less than 192. What are the largest 4 integers that would work?
●
Mathisfornerds
Apr 12, 2018
0
99
1
+129
Jeans
Write an expression that describes a pair of jeans that costs C dollars plus 6% sales tax.
●
Mathisfornerds
Apr 12, 2018
«
latest
2
1
2
1
»
#2
+129
0
tertre, i can't buy a book
Mathisfornerds
May 3, 2018