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All Questions
^{+0}
231355 Questions
0
39
1
gcd
Suppose that n is a positive integer such that 9n - 2 and 7n + 33 are not relatively prime. What is the value of gcd(9n - 2, 7n + 33)?
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Guest
Sep 4, 2023
Sep 3, 2023
0
37
1
plz help!
Ruth has a beaker containing a solution of 800 mL of acid and 200 mL of water. She thinks the solution is a little strong, so she drains 150 mL from the beaker, adds 150 mL of water, and stirs the solution. Ruth thinks the solution is still too strong,
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Guest
Sep 3, 2023
0
34
1
Algebra 2
Which of the following statements ares true
(A) If the graph of an exponential function is reflected in the x-axis, then we obtain the graph of another exponential function
(B) If the graph of an exponential function
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Guest
Sep 3, 2023
0
36
1
math question
(you can select multiple) if x is a positive integer, than x is also a/an a) rational number b) whole number c) integer 4) natural number
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Guest
Sep 3, 2023
0
35
4
please help asap, i'm really stuck
In the SuperLottery, three balls are drawn (at random, without replacement) from white balls numbered from 1 to 12 and one SuperBall is drawn (at random) from red balls numbered from 13 to 20. When you buy a ticket, you choose three numbers from 1
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Guest
Sep 3, 2023
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19
8
+656
The most creative title ever; 'Help!'
A palindrome is a number that is the same when read forwards and backwards, such as 43234. Find the number of 4-digit palindromes that are divisible by 3.
This question is very similar to other questions asked but I have
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Keihaku
Sep 3, 2023
0
28
4
+656
Card Deck Problem
A standard deck of cards has 52 cards divided into 4 suits, each of which has 13 cards. Two of the suits (❤️ and ◆, called 'hearts' and 'diamonds') are red, the other two (♠️ and ♧, called 'spades' and 'clubs') are black.
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Keihaku
Sep 3, 2023
-2
17
0
+819
help inverse
Let $f(x) = ax + b$ for $0 \le x \le 1$, where $a$ and $b$ are constants such that $a < 0$. What is the inverse of $f(x)$ in terms of $a$ and $b$?
maximum
Sep 3, 2023
-2
21
0
+819
domain
Find the domain of the function $f(x)=\frac{x+6}{\sqrt{x^2}-3x-4} + \sqrt{x - 8} + \frac{1}{\sqrt{(x + 4)(x + 3)}}$.
maximum
Sep 3, 2023
-2
22
0
+819
domain question
Find the largest real number $c$ such that $1$ is in the range of $f(x)=x^2-5x+c-3x+8$.
maximum
Sep 3, 2023
0
19
5
+656
Venn Diagram
Dogs in the GoodDog Obedience School win a blue ribbon for learning how to sit, a green ribbon for learning how to roll over, and a white ribbon for learning how to stay. There are 100 dogs in the school.
62 have blue ribbons, 68 have green ribbons,
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Keihaku
Sep 3, 2023
0
28
3
+656
Permutation Question
In the Olympic women's skating competition, the gold medal goes to first place, silver to second, and bronze to third. If there are 15 skaters, including 4 Americans, in how many ways can the medals be awarded to three of the 15 skaters?
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Keihaku
Sep 3, 2023
0
34
0
asymptotes
How many vertical asymptotes does the graph of $y = \frac{1}{x^3-3x^2+7x-15}$ have?
Guest
Sep 3, 2023
0
32
2
A and B Share Pizza Cost Based on Eaten Amount
A and B agree to share the cost of an $18 pizza based on how much each would eat. B ate 3/2 of the pizza that A ate. How much should A and B each pay?
A=
B=
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Guest
Sep 3, 2023
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30
0
spheres
Rose has a spherical plum of radius $2$ and a spherical watermelon of radius $8$. She builds a glass sphere around the two fruits to contain them, making the sphere as small as possible. When she has done this, she places a golf ball inside
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Guest
Sep 3, 2023
0
34
0
quadratic
Find the non-zero value of $c$ for which there is exactly one positive value of $b$ for which there is one solution to the equation $x^2 + (b + 4c)x + c^2 = 0$.
Guest
Sep 3, 2023
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33
1
help plz
Five workers have been hired to complete a job. If one additional worker is hired, they could complete the job $8$ days earlier. If the job needs to completed $28$ days earlier, how many additional workers should be hired?
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Guest
Sep 3, 2023
0
33
2
Three and eight hundred six ten-thousandths in standard form
Three and eight hundred six ten-thousandths in standard form
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Guest
Sep 3, 2023
Sep 2, 2023
0
34
2
need help
There is exactly one value of $x$ for which the distance from $(5,6)$ to $(3x-1,ax+5)$ is $4$. If $a \neq 0,$ what is $a$?
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Guest
Sep 2, 2023
0
35
1
+10
helppp
how many of the first 10000 positive integers contain the digit pair "43" in that order
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tenoutoften
Sep 2, 2023
0
32
2
coordinates
The point $(x,y)$ in the coordinate has a distance of $6$ units from the $x$-axis, a distance of $15$ units from the point $(5,7)$, and a distance of $\sqrt{n}$ from the origin. If both $x$ and $y$ are negative, what is $n$?
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Guest
Sep 2, 2023
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37
0
quadratic
Find the non-zero value of $a$ such that the quadratic equation $ax^2+8x+4=6x-40$ has only one solution.
Guest
Sep 2, 2023
0
39
1
roots
Find the product of all positive integer values of $c$ such that the quadratic equation $3x^2+7x+c=15x-10$ has two real roots.
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Guest
Sep 2, 2023
0
43
0
coordinates
Find the area of the region enclosed by the graph of the equation $x^2-14x+3y+70=15+9y-y^2$ that lies below the line $y=x-3$.
Guest
Sep 2, 2023
0
33
0
vsrm
2/5 of Karen's sweets is equal to 1/5 of Mary's sweets. If each of them gives away 128 sweets, Mary will have 114 more sweets than Karen. How many sweets does Mary have left?
Guest
Sep 2, 2023
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