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Post New Question
All Questions
+0
234773 Questions
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906
1
help
How many non-congruent triangles are there with sides of integer length having at least one side of length five units and having no side longer than five units?
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Guest
Feb 17, 2021
-1
448
2
+1678
circles
If an arc of 60° on circle has the same length as an arc of 45° on circle , what is the ratio of the area of circle to the area of circle ?
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wiseowl
Feb 17, 2021
0
442
1
Solve for x
Solve for x: $64^{x - 2} = 256^{2x}$.
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Guest
Feb 17, 2021
0
469
1
HEEEEELLLLLPPPPP
Given that $x$, $\frac{1}{x}$, $y$, $\frac{1}{y}$, $z$ and $\frac{1}{z}$ are all integers, how many distinct values of $x+ y+ z$ are possible?
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Guest
Feb 17, 2021
0
385
1
functions
Let f(x) = x^3 + 5 and g(x) = 3x.
(a) Find g(f(-1))
read more ..
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Guest
Feb 17, 2021
0
418
1
trigonometry
What is cos(-150)?
Thx
read more ..
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Guest
Feb 17, 2021
0
369
1
series
What is the sum of the first twenty terms that are in both series 3 + 7 + 11 + 15 + ... and 1 + 6 + 11 + 16 + ...
ElectricPavlov
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Guest
Feb 17, 2021
0
359
1
Infinte squence (please help)
Find
ElectricPavlov
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Guest
Feb 17, 2021
0
328
1
can anyone help
Find the sum of the first 20 terms of the sequence 0.7, 0.77, 0.777, ...
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Guest
Feb 17, 2021
0
394
4
unit circle trig + graphing
1. Compute sin(-60).
2. Find the focus of the the parabola y = x^2.
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Guest
Feb 17, 2021
0
313
1
polynomial
Let f(n) be a polynomial of degree 3 such that f(n) = 2^n for n = 0, 1, 2, 3. Find f(4).
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Guest
Feb 17, 2021
0
366
1
polynomial
Let f(n) be a polynomial of degree n such that f(n) = 2^n for n = 0, 1, 2, 3. Find f(4).
ElectricPavlov
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Guest
Feb 17, 2021
-1
437
1
+1678
simplify
Simplify $\frac{25x^2 - 4}{5x^3 - 2x^2}$
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wiseowl
Feb 17, 2021
0
423
1
help with circle
Find angle DCE.
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Guest
Feb 17, 2021
0
789
1
exponential growth
In the equation y = 0.5*1.21^x, represents the number of snowboarders in millions and represents the number of years since 1988. Find the year in which the number of snowboarders will be 10 million for the first time. (Only an algebraic solution will be
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Guest
Feb 17, 2021
0
396
1
algebra question
How many grams of cream with 10% fat should a barista add to 120 grams of 20 % fat to get a mixture with 18 % fat
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Guest
Feb 17, 2021
0
327
0
HELP PLEASE ASAP GEOMETRY
A person is looking from a car to the top of a building. The angle of elevation to the top of the building from the car is 32°. The building is 200 feet away. How tall is the building? Round to the nearest foot.
Guest
Feb 17, 2021
+1
767
2
Hi! Try to solve this question!
How many 4-digit numbers have the second digit even and the fourth digit at least twice the second digit? (Here, digits are read from the left, so the first digit is the leftmost digit, and so on.)
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Guest
Feb 17, 2021
0
651
1
pls help
The Vietnam Veteran’s Memorial in Washington, D.C. consists of two walls of black, polished granite, each 246.75 feet long, which meet at an angle of 125.2°. If extended, the west wall would reach to the Lincoln Memorial, 900 feet away from the end of the
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Guest
Feb 17, 2021
0
415
1
+17
what is the present value and the interest earned? help would be highly appericated. im fine with all of my course work but its the interest
1. a loan of $11 200 due in 5 years, with interest of 4.4%/a compounded quarterly.
2. an investment that will be worth $128 500 in 8 years. The interest rate is 6.5%/a, compounded semi-annually.
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frosttyfrog
Feb 17, 2021
0
332
1
algebra
Dr. Zaius invests $10,000 in a CD with an annual interest rate of 4% that compounds semi-annually (twice a year). After six months, he rolls over the CD into another CD with an annual interest rate of 5% that also compounds semi-annually. After
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Guest
Feb 17, 2021
0
484
1
pls help
Two docks, A and B, are located on a circular pond as shown in the diagram below. A surveyor wants to determine the distance these two docks are from each other across the pond. The surveyor, located at point S, knows that he is 200 yards from both docks,
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Guest
Feb 17, 2021
0
572
1
Your friend's house is 5 miles south and 12 miles west of the zoo. How far is your friend's house from the zoo?
Your friend's house is 5 miles south and 12 miles west of the zoo. How far is your friend's house from the zoo?
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Guest
Feb 17, 2021
0
660
1
lines
Given two lines whose equations are 3x + y - 8 = 0 and -2x + by + 9 = 0, determine the value of b such that the two lines will be perpendicular.
How do I do this problem?
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Guest
Feb 17, 2021
+2
990
3
+180
Infinite Balls Problem(PLEASE HELP)
Mady has an infinite number of balls and empty boxes available to her. The empty boxes, each capable of holding four balls, are arranged in a row from left to right. At the first step, she places a ball in the first box (the leftmost box) of the row. At
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vockeyvockvock
Feb 17, 2021
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