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Post New Question
All Questions
+0
234965 Questions
0
353
1
math
the plane confused me but I figured out the rest.
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Guest
Apr 23, 2021
0
460
1
Hyperbola
The equation of the hyperbola shown below can be written as (x - h)^2/a^2 - (y - k)^2/b^2 = 1.
Find h + k + a + b.
read more ..
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Guest
Apr 23, 2021
0
277
0
HeLp pLeAsE!!!
Find the areas of Circle 1 and Circle 2. How many copies of Circle 1 would you need to equal the area of Circle 2? Use pencil and paper. If the diameters of both circles were given in kilometers instead of miles, would you need a different
read more ..
Guest
Apr 23, 2021
+1
438
1
+62
HELP ASAP MATH
Find the value of $n$ that satisfies $2(n+1)!+6n!=3(n+1)!$, where $n! = n\cdot (n-1)\cdot (n-2) \cdots 2\cdot 1$.
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Derekshakk
Apr 23, 2021
0
363
0
There are 8 sixth-graders and 16 seventh-graders in a class.
There are 8 sixth-graders and 16 seventh-graders in a class.
Complete the ratio for this class.
Enter the correct answer in the box.
1 out of every students is a sixth-grader.
read more ..
Guest
Apr 23, 2021
0
283
0
Please I really need help asap!!!!
Plz help me solve this asap
Guest
Apr 23, 2021
0
417
1
+23
Please Answer!
A point (x, y) is randomly chosen such that 0 ≤ x ≤ 1 and 0 ≤ y ≤ 1. What is the probability that y ≤ 2x?
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ExpireNight
Apr 23, 2021
0
460
2
number theory
For how many positive integers n less than 100 is 5^n + 8^(n + 1) + 13^(n + 2) + 14^(n + 3) a multiple of 6?
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Guest
Apr 23, 2021
+1
331
0
help please
The ages of members of an online gaming group are normally distributed with a mean of 23 years and a standard deviation of 4 years. There are 300 members in the group. About how many members are expected to be between 15 years old and 31 years old?
read more ..
Guest
Apr 23, 2021
0
441
1
HALP ASAP
What is the constant term in the expansion of $\left(\sqrt{x}+\dfrac5x\right)^{9}$?
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Guest
Apr 23, 2021
+2
869
1
+165
Help would be appreciated
(Please give more than just an answer, because I want to understand the problem)
How many 3-letter sequences can be formed if the second letter must be a vowel (A, E, I, O, or U), and the third letter must be different from the first
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viola
Apr 23, 2021
0
300
1
Number Theory
What is the remainder when 2+4+6+...+100+102+104 is divided by 7?
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Guest
Apr 23, 2021
0
309
1
Pattern
1, 4, 9, 16, 25, _, _
Arithmetic or Geometric
read more ..
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Guest
Apr 23, 2021
0
395
1
Need help with question ASAP!
Each of the digits $6,7,8,9$ is used no more than once to form an integer $N.$ How many possible $N$s are multiples of $3$?
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Guest
Apr 23, 2021
-1
490
1
+73
I need help, I am bad at this stuff
Each of the digits $1,2,3,4,5,6$ is used exactly once in forming the $3$-digit integers $X$ and $Y$. How many possible values of $X+Y$ are there if $|X-Y|=111?$
Two boys and three girls are going to sit around a table with $5$ different
read more ..
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qwertyytrewq
Apr 23, 2021
0
399
1
Circles
Let X, Y, and Z be points on a circle. Let XY and the tangent to the circle at Z intersect at W. If WX = 4, WZ = 9, and WY is perpendicular to WZ, then find YZ.
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Guest
Apr 23, 2021
0
324
1
Please answer question
A median of a triangle is a line segment joining a vertex of a triangle to the midpoint of the opposite side. The three medians of a triangle are drawn below.
https://latex.artofproblemsolving.com/b/c/3/bc36d6a86ebdd87399c8b07d66ec053e8593c264.png
read more ..
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Guest
Apr 23, 2021
0
250
0
I need help
The time in years, T, for one complete orbit of a planet around a star can be calculated from the equation:
T = √Kr^3
The average radius, in kilometres, of the planet’s orbit is r, and K is a constant that changes
read more ..
Guest
Apr 23, 2021
0
246
0
Area plz help
https://drive.google.com/file/d/1r5U0dxK-s-jWmmbGf8spW1mk5iwKTSrP/view?usp=drivesdk
Guest
Apr 23, 2021
0
657
1
HELP PLEASE
Using the diagram of a regular hexagon, fill in the blanks for the steps to solve for the area of a hexagon with sides equal to 8 cm.(1) How many equilateral triangles are there? _____
(2) What is the measure of each of the three angles in the equilateral
read more ..
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Guest
Apr 23, 2021
0
411
1
+36
Math
Robin had 4 times as much money as Shawn at first. After spending some money, Robin realized that Shawn had twice as much as he had. If Robin had $48 at first, how much did Robin have in the end?
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Abcyacomga
Apr 23, 2021
0
495
1
+36
Math
Roy had 5 times as much money as Shane. Roy spent $54 and Shane had twice as much as Roy in the end. How much did Roy have at first?
YOU MUST DO: Cut the units in the model drawing into smaller parts.
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Abcyacomga
Apr 23, 2021
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