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183940 Questions
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help inequality
I own a large truck, and my neighbor owns four small trucks that are all identical. My truck can carry a load of at least 800 pounds more than each of her trucks, but no more than 1/5 of the total load her four trucks combined can carry. Based on these
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Guest
5
mins ago
0
3
1
answer?
If a planet has an angular size of 0.24 degrees, what will be its angular size in arcminutes?
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Guest
57
mins ago
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6
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geometry
Two 2*8 rectangles overlap, as shown below. Find the area of the overlapping region (which is shaded)
Guest
1 hour ago
0
4
1
line
Find the value of c such that the three points (5,5), (3,1) and (6,c) lie on the same line.
Note: Three points are on the same line if the slope of the line through any two points is always the same.
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Guest
1 hour ago
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7
3
This one is so confusing to me haha
If Scoobie could drive a Jetson's flying car at a constant speed of 230.0 km/hr across oceans and space, approximately how long would Scoobie take to drive around Earth's equator in days? Use 6200 km for the radius of the Earth.
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Guest
2 hours ago
Jan 17, 2021
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5
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planetary question lol
If a planet was located approximately 28 thousand light-years from the center of a galaxy and orbits that center once every 284 million years, how fast is the planet traveling around the galaxy in km/hr? If needed, use 3.0 × 108 m/s for the speed of
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Guest
2 hours ago
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2
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coordinate geo
What is the perimeter of the polygon formed when the points A(-6,6), B(9,-6) and C(9,2) and are graphed and connected with straight lines?
Guest
2 hours ago
0
5
0
help
Two adjacent sides of a rhombus form a -degree angle. If each side of the rhombus measures cm, what is the area of the rhombus, in square centimeters? Express your answer in simplest radical form.
Guest
2 hours ago
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9
1
+48
help me plz I need it
Cassie leaves Escanaba at 8:30 AM heading for Marquette on her bike. She bikes at a uniform rate of 12 miles per hour. Brian leaves Marquette at 9:00 AM heading for Escanaba on his bike. He bikes at a uniform rate of 16 miles per hour. They both bike on
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Choff
2 hours ago
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7
1
Help me
Rhombus , has perimeter 148, and one of its diagonals has length 24. How long is the other diagonal?
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Guest
3 hours ago
0
9
1
+48
help plz!
I'm visiting Germany, but forgot to exchange dollars for euros. My meal costs 17 euros. I give the cashier 40 dollars. If 1 euro is worth $\$1.32$, then how much change in euros should I receive? (Answer to the nearest hundredth of a euro.)
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Choff
3 hours ago
0
6
0
quadrilateral
A quadrilateral has sides 1, 5, 5, 7, and its area is 18. What is the product of lengths of its diagonals?
Guest
3 hours ago
0
9
1
Cant edit text box
On my actual account for web2.0 calc, It wouldnt let me edit the text box, and when I posted thee question as a geust, I could edit the text box but my post was flagged for moderation, can somone please help me
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Guest
3 hours ago
-2
14
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Challengening problems: answer asap
We are not here to do all your homework for you. Melody.
Go cheat somewhere else.
Guest
3 hours ago
0
9
0
i rlly need help
The polynomial is divisible by for some real numbers A and B. Find A+B.
Guest
3 hours ago
0
6
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coloring
A new flag has been designed with 6 vertical strips using some or all of the colors yellow,green,blue and red.In how many ways this can be done so that no 2 adjcent strips have same colour.
Guest
3 hours ago
0
15
2
+238
Algebra
Hi, could someone help me with this question?
Suppose f(x) is a quadratic function such that f(1) = -24, f(4) = 0, and f(7) = 60. Determine the value of f(-1).
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Caffeine
4 hours ago
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12
1
pls help meh
Lucy made 2 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for both necklaces was 13.80 . If the beads cost for 3.50 each necklace, how much did each pendant cost?
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Guest
4 hours ago
0
12
1
area of triangle
The length of one side of a triangle is $\left(\sqrt{3}+1\right)\text{ cm}.$ The two interior angles on that side are $30^\circ$ and $45^\circ.$ What is the area of the triangle?
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Guest
4 hours ago
0
8
1
equation
Find all real x that satisfy
\[\large 9^x - 4 \cdot 3^x + 6 - \frac{4}{3^x} + \frac{1}{9^x} = 0\]
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Guest
4 hours ago
0
11
1
help please
For what values of j does the equation (2x+7)(x-5)=-43+jx have exactly one real solution
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Guest
4 hours ago
0
9
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help
The polynomial is divisible by for some real numbers and . Find .
Guest
4 hours ago
0
12
1
Help
At the AoPS office, mice vary inversely with cats, that is, $\text{mice}=\frac{k}{\text{cats}}$, for some value of $k$. When there are $3r-19$ cats, there are $2r+1$ mice, and when there are $6r-24$ mice, there are $r-3$ cats. Find $k$.
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Guest
4 hours ago
0
9
0
help counting
A few people are at a party. As they are bored, they decide to connect each other with strings. Every person must be connected to every other person. For example, if there are \(3\) people \((A, B, C)\), \((A)\) will be connected to \((B,C)\), \((B)\) will
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Guest
5 hours ago
0
12
2
help pleez
Segment AB=6 is tangent to the circle with center O. Lengths of other segments are BC=8, CD=10, and OD=12. Find the radius of the circle.
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Guest
5 hours ago
0
10
1
help
find ab if bc=15, bd=17, and ad=6
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Guest
5 hours ago
0
12
1
help ellipse
\[\large \frac{x^2}{16}+\frac{y^2}{9}=1\]
The equation above is an ellipse with center O. A chord $AB=2 \sqrt{7}$ is parallel to the major axis. What is the area of $\triangle OAB$?
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Guest
6 hours ago
0
11
1
2016th entry
The first two entries of a sequence are 3 and 27. Starting from the third entry, every entry is the absolute value of the difference of the two previous entries. What is the 2016th entry of this sequence?
After listing it out, I got:
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Guest
6 hours ago
0
12
1
can u help?
If $\sin^2 \theta + 3\cos\theta - 2 = 0$, find the value of $\cos^3 \theta + \sec^3 \theta$.
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Guest
6 hours ago
0
9
0
Solve for a, b, c, d
Solve for a, b, c, d:
\(a+b+c+d=9\)
\( 3a=d\)
\(a-2c=b\)
\(\sqrt c = c\)
Guest
6 hours ago
+1
16
4
+14
HELP ASAP!!! TYSM
In the figure below, PQRS is a parallelogram of 24 and area 28. What is the perimeter of rectangle QOST?
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piano123
6 hours ago
0
12
2
help pls
A right triangle with a perimeter of 60 units has an altitude (to the hypotenuse) of length 12 units. Find the sum of the lengths of the two (non-hypotenuse) legs of this triangle.
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Guest
6 hours ago
0
12
1
Roots of unity question
What is the smallest positive integer such that all the roots of are roots of unity?
Thanks a lot! :)
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Guest
6 hours ago
0
9
0
help please! :)
Let be a complex number such that and . Compute
Thanks!
Guest
6 hours ago
0
13
4
lines
Let P and Q be constants. The graphs of the lines x - 5y = 7 and 15x + Py = Q are perpendicular and intersect at the point (8,3) Enter the ordered pair (P,Q).
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Guest
8 hours ago
0
12
1
greatest product obtainable
What is the greatest product obtainable from two integers whose sum is 24?
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Guest
8 hours ago
0
14
0
Please help, thank you!
Assume that each of 2021 people knows exactly one joke and all 2021 jokes are different. These people correspond with each other by email. Every time person A writes person B, A tells every joke he knows. What is the minimum number of emails between pairs
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Guest
8 hours ago
0
11
2
percent
The price of an item has been lowered two times, each time by \(p\)%.
Find \(p\), if the final price of the item is \(19\)% lower than the starting price.
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Guest
8 hours ago
0
15
1
Help me
If then what is
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Guest
8 hours ago
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