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Post New Question
All Questions
+0
234799 Questions
0
506
3
please help!
Sarah wants to order a pizza with 2 different toppings. She has 9 different toppings to choose from. How many different pizzas could she order?
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Guest
Feb 28, 2021
+1
454
1
+40
True or False ?
In a rectangle, all the pieces of a diagonals are congruent. True or False ?
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Local.Bxddie
Feb 28, 2021
0
411
1
sum
Sum 45+ 46+47+ 48+ ... 113 + 114 + 115 +116 using Gauss Method.
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Guest
Feb 28, 2021
0
501
1
+195
I need help
In rectangle $ABCD$, shown here, $\overline{CE}$ is perpendicular to $\overline{BD}$. If $BC = \sqrt 3$ and $DC = 3$, what is $CE$?
read more ..
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QuestionMachine
Feb 28, 2021
0
403
2
Just pls help
A standard six-sided die is rolled 6 times. You are told that among the rolls, there was one 1, 2 two 's, and 3 three 's. How many possible sequences of rolls could there have been?
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Guest
Feb 28, 2021
+2
549
1
+23
Urgent Help!!
Altitudes $\overline{AX}$ and $\overline{BY}$ of acute triangle $ABC$ intersect at $H$. If $\angle BAC = 43^\circ$ and $\angle ABC = 67^\circ$, then what is $\angle HCA$?
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ryan1207
Feb 28, 2021
0
1248
1
How do you write a exponential function y=ab^x whose graph passes through the given points (2,18) and (3,54)?
How do you write a exponential function y=ab^x whose graph passes through the given points (2,18) and (3,54)?
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Guest
Feb 28, 2021
0
404
1
+195
Help plz
A square with sides of length $2$ units is constructed on a right triangle with a hypotenuse of length $2\sqrt{5}$ units to form the figure shown. What is the total area of the figure, in square units?
read more ..
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QuestionMachine
Feb 28, 2021
0
441
1
+195
Help
The diagonals of rhombus $MNOP$, have lengths of $12\ \text{mm}$ and $16\ \text{mm}$. What is the perimeter, in millimeters, of rhombus $MNOP$?
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QuestionMachine
Feb 28, 2021
0
438
1
Help understanding this problem please?
We choose a positive divisor of $20^{20}$ at random (with all divisors equally likely to be chosen). What is the probability that we chose a multiple of $10^{10}$? Express your answer as a fraction in simplest form.
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Guest
Feb 28, 2021
0
1056
1
The graph of a sine function has an amplitude of 2, a midline of y = 10, and a period of 4.
The graph of a sine function has an amplitude of 2, a midline of y = 10, and a period of 4.
There is no phase shift. The graph is reflected over the x-axis.
What is the equation of the function?
read more ..
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Guest
Feb 28, 2021
0
422
1
What is the most biggest number?
What is the smallest infinite cardinal number?
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Guest
Feb 28, 2021
0
378
2
isosceles triangle
Find angle JKI.
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Guest
Feb 28, 2021
0
383
1
isosceles triangles
In triangle JKL, LJ = KL and angle K = 26 degrees. Find angle J.
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Guest
Feb 28, 2021
0
477
2
algebra 1
An investment manager uses the following formula to predict the value, V, of his investment in dollars, n years after he purchases a new technology stock.
V=68,000+1200(n-3)
Based on this formula, how many years will it take for the
read more ..
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Guest
Feb 28, 2021
0
487
2
+67
Please Help ASAP
Consider the system of quadratic equations
where c is a real number.
(a) For what value(s) of c will the system have exactly one solution?
(b) For what value(s) of c will the system have more than one real solution?
(c) For
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shananigans
Feb 28, 2021
+1
408
2
+10
Help Please Im Stuck
Let $G$ be the center of equilateral triangle $XYZ.$ A dilation centered at $G$ with scale factor $-\frac{4}{3}$ is applied to triangle $XYZ,$ to obtain triangle $X'Y'Z'.$ Let $A$ be the area of the region that is contained in both triangles $XYZ$ and $X'Y'Z'.$
read more ..
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Whisper
Feb 28, 2021
0
482
1
+96
Help! Geometry!
In the diagram, BD=5, CE=4, [ABC]=24, and [ADE]=18. Find [ACD]
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kanisan
Feb 28, 2021
0
777
1
counting
A 1×6 square unit rectangular grid has to be covered with six 1×1 square unit tiles. Three of the tiles are yellow, two are white, and one is blue. In how many ways can this task be done if:
a) there are no restrictions
b) no neighbouring
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Guest
Feb 28, 2021
0
493
1
probability
Teams A and B are playing a series of games. The series is over as soon as a team wins a total of three games. Team A is two times more likely to win a game than Team B. What is the probability that Team A wins the series?
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Guest
Feb 28, 2021
0
398
1
help due tmrw
In 4ABC, AB = 3 and BC = 5. Find the number of possible integer values of CA.
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Guest
Feb 28, 2021
+1
495
2
+201
halp please
Determine the value of the infinite product Enter your answer in the form "\sqrt[a]{b}", which stands for
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jxc516
Feb 28, 2021
0
268
0
Some 5-digit number is either any number with at least two odd digits, or it is an odd number. How many such numbers are there?
Some 5-digit number is either any number with at least two odd digits, or it is an odd number. How many such numbers are there?
Guest
Feb 28, 2021
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