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Post New Question
All Questions
+0
230590 Questions
-1
304
2
Number theory
What is the largest number, all of whose digits are 3 or 2, and whose digits add up to 11?
I tried 3332 earlier and the answer was incorrect, any help would be much appreciated!
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Guest
Feb 5, 2021
-1
269
1
problem help please
Let\[f(x) = \begin{cases} 9x+16 &\text{if }x<2, \\ 2x-14&\text{if }x\ge2. \end{cases} \]If $f(x)=-2$, find the sum of all possible values of $x$.
thanks
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Guest
Feb 5, 2021
-1
436
2
algebra problem
2000 tickets were sold to a car show on Saturday. The cost of a ticket for an adult is $4 and thecost for a child is $2. The total amount of money collected was $6400. Find the number of adult
tickets and child tickets sold.
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Guest
Feb 5, 2021
-1
277
2
Help plz
Find all pairs $(x,y)$ of real numbers such that $x + y = 10$ and $x^2 + y^2 = 56$. For example, to enter the solutions $(2,4)$ and $(-3,9)$, you would enter "(2,4),(-3,9)" (without the quotation marks).
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Guest
Feb 5, 2021
-1
906
1
Find the perimeter and the area of the figure
Find the perimeter and the area of the figure
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Guest
Feb 5, 2021
-1
402
1
help with triangle
Using the Triangle Sum Theorem, solve for x.
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Guest
Feb 5, 2021
-1
315
2
help needed quickly
What is the median of the data shown?
(heights of the members of mrs. smith's class)
read more ..
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Guest
Feb 5, 2021
0
420
1
Absolute value
Find all x such that $5=|x-2|+|x-7|$.
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Guest
Feb 5, 2021
-1
361
1
quick geometry question
Given a triangle ABC in which $ AB = x+3 $ and $ BC = x-1 $ and $\angle ABC = 30° $, its area is $ 35 \text{cm}^{2} $. Find $ AB+BC $.
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Guest
Feb 5, 2021
-1
475
1
+193
Domain
The domain of the equation $y = \frac{3x}{2x^2 - 6x + 4}$ is the set of all real numbers with the exception of the values $x = A$ and $x = B$. What is $A + B$?
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clairepow
Feb 5, 2021
-1
256
1
digit problem
The five-digit number $\overline{a679b}$ is divisible by 72. Find the digits a and b.
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Guest
Feb 5, 2021
-1
404
1
help i don't know what to do
In the figure, $AP$ is tangent to the circle centered at $O$, $AB=BC,$ and $AP=3\sqrt{2}$. Find the length of $AC$.
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Guest
Feb 5, 2021
-1
443
1
+193
Domain
If $h(x)$ is a function whose domain is $[-8,8]$, and $g(x)=h\left(\frac x2\right)$, then the domain of $g(x)$ is an interval of what width?
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clairepow
Feb 5, 2021
-1
594
2
+614
confused pls help
A 6 letter permutation is selected at random from the letters NIMBLE. What is the probability that:
a. the second letter is a vowel and the third is a consonant?
b.the second and third letters are both vowels?
c.the second letter
read more ..
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xxJenny1213xx
Feb 5, 2021
-1
297
0
integer solutions
Find the number of solutions in positive integers of the equation 3x+5y=1008.
Guest
Feb 5, 2021
0
339
2
coordinates
A triangle is formed by the points (6,0) , (0,0) , (0,6). How many points with integer coordinates are in the interior of the triangle?
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Guest
Feb 5, 2021
0
275
1
review cross puzzle
math
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Guest
Feb 5, 2021
0
376
1
algebra problem
Let $a$ and $b$ with $a>b>0$ be real numbers satisfying $a^2+b^2=4ab$. Find $\dfrac{\sqrt{a}}{\sqrt{b}} - \dfrac{\sqrt{b}}{\sqrt{a}}$.
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Guest
Feb 5, 2021
0
365
1
+21
help pls. algebra questions
1. Find the equation of the circle centered at with radius 3. Write your equation in the form
2. A circle centered at passes through the point Find the equation of the circle. Write
read more ..
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needshelp
Feb 5, 2021
0
603
2
+6
Mathematics
This year, Carlos planted 6 more than one-third of the cucumber plants he planted last year. How many cucumber plants did he plant this year if last year he planted 12 plants? 6 9 10 12
macar0ni
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brow3
Feb 5, 2021
0
575
1
+179
Geometry
Square has area . Point lies on side . Points and are the midpoints of and , respectively. Given that quadrilateral has area , what is the area of triangle ?
read more ..
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vockeyvockvock
Feb 5, 2021
0
388
1
help algebra
\[\large 3^a=5^b=15\]
If \(a\) and \(b\) are numbers satisfying the equation above, find \(\dfrac{1}{a}+\dfrac{1}{b}\).
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Guest
Feb 5, 2021
0
382
1
solve
Find a, b, c, d, e if
ab = 1
bc = 2
read more ..
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Guest
Feb 5, 2021
0
373
3
infinite soluitons
What equation has an infinite number of solutions
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Guest
Feb 5, 2021
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