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All Questions
+0
230633 Questions
0
2996
2
Help!
Our club has $25$ members, and wishes to pick a president, secretary, and treasurer. In how many ways can we choose the officers, if individual members are allowed to hold $2,$ but not all $3,$ offices?
Consider the six by six grid
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Guest
Jun 3, 2018
0
901
1
+194
HELP BEFORE TOMORROW PLEASe
Solve for all answers between 0-2pi
3) cos(pi-x) +sin(x-pi/2) = 1
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Maplesnowy
Jun 3, 2018
+1
639
2
+884
number of sides, given diagnols
In a closed polygon, there are 35 diagonals. How many sides does the polygon have?
Answer: 10
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ant101
Jun 3, 2018
0
353
0
Geometry
Given: A(3,-5) what are the coordinates of A" following the composite transformation: D2 T4,-2
Guest
Jun 3, 2018
+1
671
5
geomety
The equation of a parabola is given.
y=3/4x^2 − 6x + 15
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Guest
Jun 3, 2018
0
526
1
Total number of digits...
a - What is the total number of individual or separate digits from 1 to (2^18 + 3^10) =321,193? Example. 1 to 9 =9 digits. 10 to 20 =2 x 10 =20 digits. And so on.
b - How is this total distributed among the ten digits 0 to 9. Or, how many 0s,
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Guest
Jun 3, 2018
0
651
1
+1242
Help!
If the polynomial $x^2+bx+c$ has exactly one real root and $b=c+1$, find the value of the product of all possible values of $c$.
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Lightning
Jun 3, 2018
0
748
1
+1242
Help!
Portia solved the quadratic equation $x^2+(2\sqrt3)x+1=0$ by completing the square. In the process, she came up with the equivalent equation $$(x+r)^2 = s,$$where $r$ and $s$ are constants. What is $s$?
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Lightning
Jun 3, 2018
0
903
0
+65
2 questions, Line CP is tangent to Circle O at point C. DB = 12 cm and BP = 4 cm.What is measure of segment CP?
Line CP is tangent to Circle O at point C. DB = 12 cm and BP = 4 cm.What is measure of segment CP?
Question options:
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Dot.Box
Jun 3, 2018
0
876
0
+65
2 questions, Given the following: mAB=mBC=mCD. In circle F, what is the measure of < AFB
Given the following: mAB=mBC=mCD
In circle F, what is the measure of < AFB
Question options:
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Dot.Box
Jun 3, 2018
0
1041
0
+98
(2questions!)Help PLZZZ Circle A has a radius of 6 cm and arcs RC, CS, and SM are congruent. What is the degree measure of arc RC?
Circle A has a radius of 6 cm and arcs RC, CS, and SM are congruent.
What is the degree measure of arc RC?
Question
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ForgottenMoon
Jun 3, 2018
0
426
1
Cogwheel what is the outgoing rpm on the second cogwheel?
A gearbox has 21 gear teeth on incoming gear, 42 gear teeths on outgoing cogwheel and 90% thermal efficiency. The gearbox is driven at 3000 rpm and the input power is 1kW. What is the outgoing rpm?
(I've translated
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Guest
Jun 3, 2018
0
2044
1
Help!
1. The sequence 2, 3, 5, 6, 7, 10, 11, $\ldots$ contains all the positive integers from least to greatest that are neither squares nor cubes. What is the $400^{\mathrm{th}}$ term of the sequence?
2. The first digit of a string of 2002
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Guest
Jun 3, 2018
0
770
1
+194
Need help with before tomorrow!
Solve for all solutions between 0 and 2pi
2) Sec^2x = 4tan^2x
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Maplesnowy
Jun 3, 2018
+1
1337
1
+752
Help!
How many ways are there to fill in the tens digit and hundreds digit of 1__4 so that it is divisible by 11?
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MIRB16
Jun 3, 2018
0
647
1
Need help asap!
1. How many different non-congruent isosceles triangles can be formed by connecting three of the dots in a $4\times4$ square array of dots like the one shown below? [asy] size(50); dot((0,0));dot((0,1));dot((0,2));dot((0,3)); dot((1,0));dot((1,1));dot((1,2));dot((1,3));
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Guest
Jun 3, 2018
0
1282
1
+194
angles in circles
In the figure with circle Q, angle KAT measures 42 degrees. What is the measure of minor arc AK in degrees?
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Confusedperson
Jun 3, 2018
0
621
1
+194
Triangles
We have a right triangle ABC where the legs AB and BC have lengths 6 and 3√3 respectively. Medians AM and CN meet at point P What is the length of CP?
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Confusedperson
Jun 3, 2018
0
535
0
+22
Geometry
guys i need help at explain something really confuse, i wanna ask :
What's the different between definition and property at writting proof, would somebody pls explain to me? thank you !
TerrificDerp
Jun 3, 2018
-5
979
2
+73
The figure below is divided into three squares and the area of square #1
I need help with this question!
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GAMEMASTERX40
Jun 3, 2018
-5
1752
2
+73
A rectangle with positive area has length represented by the expression
A rectangle with positive area has length represented by the expression 3x2 + 2x - 4 and width by x2 +1. Write expressions in terms of x for the perimeter and area of the rectangle. Give your answers in standard polynomial form and show your work.
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GAMEMASTERX40
Jun 3, 2018
+1
837
1
+816
counting question
Assume every 7-digit whole number is a possible telephone number except those that begin with 0 or 1. What fraction of telephone numbers begin with 9 and end with 0?
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mathtoo
Jun 3, 2018
-5
1870
1
+73
Write a mathematical proof of the algebraic equivalence of ( pq ) r and ( qr ) p .
Write a mathematical proof of the algebraic equivalence of (pq)r and (qr)p.
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GAMEMASTERX40
Jun 3, 2018
+1
1671
1
+98
(2 questions) What is the measure of arc RC?
What is the measure of arc RC?
Question options
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ForgottenMoon
Jun 3, 2018
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