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Post New Question
All Questions
+0
230469 Questions
0
401
2
help
Solve the equation above: Round to the nearest whole number. X does NOT equal zero.
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Guest
Dec 16, 2019
0
389
1
help
Solve (x+1) + (x+4) + (x+7) + ... + (x+28) = 155
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Guest
Dec 16, 2019
-1
711
3
+87
Explain thougroughly... Again
Let and be real numbers whose absolute values are different and that satisfy
Find
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Divineology
Dec 16, 2019
0
543
2
geometry
In the diagram, angles PQR and PST are right angles. If PR = 35, PT = 11, and QT = 10, then what is PS?
https://latex.artofproblemsolving.com/9/8/a/98a4a34141ce8e1a7a9489d6cc79ee967fd8c6d6.png
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Guest
Dec 16, 2019
-1
709
3
+318
Pre Calc
Find the center and radius of a circle with equation x^2+y^2-1/2x+y=1/2
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mharrigan920
Dec 16, 2019
-1
699
1
+318
Pre Calc
given f(x)= -3-x^2
find and simplify the quotient = f(a+h)-f(a-h)/h
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mharrigan920
Dec 16, 2019
-1
676
1
+318
Pre Calc
Pre Calc
Given f(x) = x^2−1/ 1−x
and g(x) = x + 2. Find and simplify f(g(2))−g(f(2)).
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mharrigan920
Dec 16, 2019
-1
680
1
+318
Pre Calc
Verify the identity= (cos x/2-sin x/2)^2=1-sin x
can someone show work using the reciprocal identies.....struggling :(
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mharrigan920
Dec 16, 2019
0
578
1
help
When a certain tree was first planted, it was 4 feet tall, and the heigth of the tree increased by a constant amount each year for the next 6 years. At the end of the 6th year, the tree was 1/5 taller than it was at the end of the 4th year. By how many
read more ..
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Guest
Dec 16, 2019
0
535
1
help
In how many different ways can the word "football" be rearranged such that all of the vowels are put together?
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Guest
Dec 16, 2019
-1
852
1
+318
Pre Calc
A 20 gram sample of the radioactive element mathtestium takes 10 years to decrease to 15 grams. Find the half life of mathtestium. (You may use e, ln, or log to express your answer)
THIS IS A TEST QUESTION, can someone please solve
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mharrigan920
Dec 16, 2019
0
7
1402
2
help
Two small semicircles are inscribed in a larger semicircle, and a circle is drawn such that it is internally tangent to all three semicircles, as seen above. If the diameter of the biggest semicircle is 12, find the radius of the small circle.
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Guest
Dec 16, 2019
0
380
0
help
You find yourself on a game show, and the host presents you with four doors. Behind three doors are an assortment of gummy bears, and the remaining door has a pure gold car behind it!
You pick a door, and then the host reveals a door
read more ..
Guest
Dec 16, 2019
0
566
4
help
Find the sum 1/2 + 2/2^2 + 3/2^3 + 4/2^4 + 5/2^5 + ...
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Guest
Dec 16, 2019
+1
897
1
help due tomorrow
The equation $a^7xy-a^6y-a^5x=a^4(b^4-1)$ is equivalent to the equation $(a^mx-a^n)(a^py-a^2)=a^4b^4$ for some integers $m$, $n$, and $p$. Find $mnp$.
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Guest
Dec 16, 2019
0
544
2
Question
Hello,
So some questions I want to check my answer:
q1,
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Guest
Dec 16, 2019
0
463
1
Help!!
Alex writes down a string with four digits. (Since this is a string, not a number, it can start with a 0. For example, Alex could write 0472) Alex then feeds this string into a special counting machine, which counts the number of times the
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Guest
Dec 16, 2019
+1
636
2
help
Six identical rectangles are placed inside a square with side 32 cm as shown. What is the area shaded in yellow?
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Guest
Dec 16, 2019
0
518
1
help
Three squares are place side by side to form a rectangle. If the ratio of the length of the diagonal of the square to the length of the diagonal of a rectangle can be expressed in the form a/(√b) , where a and b are integers and a is square free, find a+b.
read more ..
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Guest
Dec 16, 2019
0
548
1
help
In the figure below, how many rectangles are there that are not squares?
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Guest
Dec 16, 2019
0
544
1
help
Let a be 2 units. If the corners are touching the midpoints of the sides, i.e. b=c. Find the area of of the rectangle.
read more ..
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Guest
Dec 16, 2019
0
1
769
3
help
In rectangle ABCD, AD=15 and point E is on side BC such that EA = 13 and ED = 14. What is the area of rectangle ABCD?
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Guest
Dec 16, 2019
0
421
1
help
We call a number memorable if every digit in the number is either a $1$ or adjacent to a $1.$ For example, the numbers $111,$ $81,$ $101,$ and $1771$ are all memorable, but the numbers $12321,$ $786,$ $140,$ and $1999$ are not memorable. How many positive
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Guest
Dec 16, 2019
0
496
1
help
The diagonals of a rhombus are 14 and 48. Find the radius of the circle inscribed in the rhombus.
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Guest
Dec 16, 2019
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