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All Questions
^{+0}
232325 Questions
0
15
1
+1347
Domain
Find the domain of the function $$f(x) = \frac{\sqrt{x}}{\sqrt{x^2}}.$$ Express your answer as an interval or as a union of intervals.
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sandwich
Jan 20, 2024
0
14
1
+1317
Equations of lines
Find the equation whose graph is shown below. Write your answer in standard form.
(Standard form is $Ax+By = C$, where $A$ is positive, and $A$, $B$, and $C$ are integers with greatest common divisor $1$.)
read more ..
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parmen
Jan 20, 2024
0
17
0
+1317
coordinates
A line passes through the points $P$ and $Q.$ If $P = (-8,2)$ and $Q = (1,7),$ then write the equation of this line in the form $Ax + By = C,$ where $A$, $B$, and $C$ are integers with greatest common divisor $1,$ and $A$ is positive.
read more ..
parmen
Jan 20, 2024
0
14
1
+1317
Coordinates
Find the distance between the $x$-intercept and the $y$-intercept of the graph of the equation $3x - 6y = 12 + 2x - 4y$.
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parmen
Jan 20, 2024
0
26
1
+1642
help counting
a) A baking club wants to form an executive committee. There are 12 people in the baking club, including Mark. In how many ways can the baking club form an executive committee with 2 people?
b) A baking club wants to form
read more ..
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bader
Jan 20, 2024
0
16
1
+1642
Boxes
In how many ways can $4$ balls be placed in $8$ boxes if neither the balls nor the boxes are distinguishable?
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bader
Jan 20, 2024
0
27
0
+1642
help with probability
A box contains 24 tiles. Each tile has certain properties:
Each tile is made of wood or plastic.
Each tile is red, yellow, or blue.
Each tile is a triangle, square, pentagon, or circle.
There is exactly one tile
read more ..
bader
Jan 20, 2024
0
15
1
+1642
Probability
A stick is broken at two points, chosen at random. If the length of the stick is 6 units, then what is the probability that all three resulting pieces are shorter than 2 units?
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bader
Jan 20, 2024
0
9
1
+400
Inequality question
Find all $w$ so that neither $-2(6+2w)\le -16 + 7w$ nor $-3w\ge 18 - 5w + 3$.
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omgitsrne
Jan 20, 2024
0
29
0
+400
Help with inequality
Find all $z$ such that neither $2+z-5z$ nor $2-z+8z$ is in the interval $(-7,13]$. Express your answer as an interval or as a union of intervals.
omgitsrne
Jan 20, 2024
0
17
0
+400
Inequality
Find all $x$ such that $1-3x < x + 8 \le 7-x$. Give your answer in interval notation.
omgitsrne
Jan 20, 2024
0
13
0
+400
Inequality
Find all $x$ such that both $2x$ and $3x-7$ are in the interval $(-1,12)$.
omgitsrne
Jan 20, 2024
+1
14
2
+0
help!!
Point D is the midpoint of median AM of triangle ABC. Point E is the midpoint of AB, and point T is the intersection of BD and ME. Find the area of triangle BET if [ABC]=20
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screamcrythrowup
Jan 20, 2024
0
3
1
+439
3d geo
A spherical ball fits snugly inside a cylindrical jar, so that the ball touches the top and bottom of the jar, and the sides of the jar. The volume of the cylinder is $432 \pi.$ Find the difference between the surface area of the sphere
read more ..
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magenta
Jan 20, 2024
0
28
0
+439
geometry
In triangle PQR, M is the midpoint of PQ. Let X be the point on QR such that PX bisects angle QPR, and let the perpendicular bisector of PQ intersect AX at Y. If PQ = 36, PR = 22, QR = 26, and MY = 8, then find the area of triangle PQR
magenta
Jan 20, 2024
0
5
1
+0
Probability question
If I roll standard -sided dice and multiply the number on the face of each die, what is the probability that the result is a composite number?
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blackops
Jan 20, 2024
+4
3
2
+0
Halp. I is not very smart :_)
Factor the polynomial
and
Factor the polynomial
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Starry
Jan 20, 2024
0
13
1
+439
Prism
Let $PQRSTUVW$ be a rectangular prism, as shown. The area of face $TUVW$ is $10,$ the area of face $TUQP$ is $10,$ and the area of face $TPSW$ is $10.$ Find the volume of the rectangular prism.
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magenta
Jan 20, 2024
0
4
0
+439
frustum
Let $APQRS$ be a pyramid, where the base $PQRS$ is a square. The total surface area of pyramid $APQRS$ (including the base) is $800$. Let $W$, $X$, $Y$, and $Z$ be the midpoints of $\overline{AP}$, $\overline{AQ}$, $\overline{AR}$, and $\overline{AS}$,
read more ..
magenta
Jan 20, 2024
0
16
1
+0
plz help needed in 24 hours
7 dwarfs have written all natural numbers less than 1,000,000, in order. After that they highlight a number if the sum of its digits is divisible by 7. Can they have two consecutive numbers highlighted?
Submit "0" as your answer if there is no pair
read more ..
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incognitouser60
Jan 20, 2024
0
27
1
+439
Pyramids
Let $ABCD$ be a regular tetrahedron. Let $E$, $F$, $G,$ $H$ be the centers of faces $BCD$, $ACD$, $ABD$, $ABC$, respectively. The volume of pyramid $DEFG$ is $18.$ Find the volume of pyramid $EFGH$
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magenta
Jan 20, 2024
Jan 19, 2024
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