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All Questions
+0
230594 Questions
0
707
2
Please help
Work out the size of angle AOD.
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Guest
Apr 12, 2020
0
677
2
help?
1. Decagon ABCDEFGHIJ is rotated centered at G by an angle of x, and moves point D to J. If x<180, find x.
2. Let G be the center of equilateral triangle XYZ. A dilation centered at G with scale factor -2/3 is applied to triangle
read more ..
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Guest
Apr 12, 2020
0
411
1
help
Find the area of the triangle or quadrilateral.
https://homework.russianschool.com/resource?key=6311i8hp7kav
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Guest
Apr 12, 2020
0
510
2
please explain properly
A 250 m train travels through a 2km tunnel at 27 km/hr. How long is it from the time the front of the train enters the tunnel, to when it completely leaves it?
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Guest
Apr 12, 2020
0
933
2
+537
Help!!
Let n be a positive integer. Let R be the remainder when is divided by n+4. How many different values can R take on?
(Please explain how you got your answer thoroughly)
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MathCuber
Apr 12, 2020
0
512
1
help
Mr. and Mrs. Rivers left their house at 10:00 a.m. driving in opposite directions. Mr. Rivers drove at an average speed of 48 mph and Mrs. Rivers drove at an average speed of 36 mph. At what time will Mr. Rivers be 24 miles farther from home than Mrs. Rivers?
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Guest
Apr 12, 2020
0
331
0
pls help
The graph of y = f(x) is shown, in red. Find the equation that corresponds to the blue graph. Follow the link to image 1.
The graph of y = f(x) is shown, in red. Find the equation that corresponds to the blue graph. Follow
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Guest
Apr 12, 2020
0
491
0
+98
HelpMeee
F(x)=x-2 and g(x) = 2x^2+x+3. Find each of the following and simplify.
a. (Fg)(x)=
b. (Fg)(2)=
c. (Fg)(-1)=
Dburgess66
Apr 12, 2020
0
443
0
+98
Helpmeeeee
F(x)= x-2 and g(x) = 2x+3. Find and simplify
(Fg)(0)=
(Fg)(-1)=
Dburgess66
Apr 12, 2020
0
325
0
help
Find the orthocenter of a Triangle JKL with vertices J(2,1), K(9,1), and L(4,6).
Guest
Apr 12, 2020
0
631
1
i am stumped :(
1. In a certain regular square pyramid, all of the edges have length . Find the volume of the pyramid. (No image for this one.)
2. Donatello starts with a marble cube of side length He then slices a
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Guest
Apr 12, 2020
0
516
4
Graphing and transforming functions help
The graph of y=f(x) is shown in red. Find f(2). Follow the link to image 1.
The graph of y=f(x) is shown in red. For which x value does f(x) = 4? Follow the link to image 2.
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Guest
Apr 12, 2020
0
566
2
Please solve and show work
A hot - water faucet can fill a bathtub in 20 minutes; and the cold-water faucet can fill it in 10 minutes. How long will it take to fill the same bathtub with both faucets running?
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Guest
Apr 12, 2020
0
367
1
Find all real solutions for x in
Find all real solutions for x in
$$ 2(2^x- 1) x^2 + (2^{x^2}-2)x = 2^{x+1} -2 . $$
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Guest
Apr 12, 2020
0
569
2
Help ASAP
Find the number of real roots of \[2x^{2001} + 3x^{2000} + 2x^{1999} + 3x^{1998} + \dots + 2x + 3 = 0.\]
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Guest
Apr 12, 2020
0
447
1
dog food
3 bags of Brand X dog food and 4 bags of Brand Y dog food costs $18, while 4 bags of Brand X dog food and 3 bags of Brand Y dog food costs $17. What is the cost of each bag of Brand X?
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Guest
Apr 12, 2020
0
438
1
help
The product of two consecutive positive even integers is 168. What are the two integers?
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Guest
Apr 12, 2020
-1
759
2
+49
?siht evlos i od woh
Let $r$ and $s$ be the roots of $3x^2 + 4x + 12 = 0.$ Find $r^2 + s^2.$
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SavvyBee
Apr 12, 2020
0
501
1
help
In the xy-plane, the graph of y = x2 and the circle with center (0,-2) and radius 2 have how many points of intersection?
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Guest
Apr 12, 2020
-1
2390
2
+49
Let $r$ and $s$ be the roots of $3x^2 + 4x + 12 = 0.$Find $r^2 + s^2.$
Let $r$ and $s$ be the roots of $3x^2 + 4x + 12 = 0.$ Find $r^2 + s^2.$
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SavvyBee
Apr 12, 2020
0
511
1
help
Find the surface area of the composite figure.
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Guest
Apr 12, 2020
+3
683
2
+40
Spherical Coordinate Precalculus Problem
For a constant in spherical coordinates , find the shape described by the equation
(A) Line
(B) Circle
(C) Plane
(D) Sphere
(E) Cylinder <#> (F) Cone
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Mathulator
Apr 12, 2020
0
579
1
+537
Help ASAP!
Let n be a positive integer. Let R be the remainder when is divided by n+4. How many different values can R take on?
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MathCuber
Apr 12, 2020
-1
315
0
plz halp :(
Find the number of ordered pairs of positive integers that satisfy
\[\frac{x}{y} = \frac{225}{xy} + \frac{y}{x}.\]
Guest
Apr 12, 2020
0
793
2
investment
Anita's sister had $6000 to invest. She invested part of this sum at 4% and the other part at 6%. If the annual return on the 6% investment is $15 more than the annual return on the 4% investment, find how much is invested at 6% rate.
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Guest
Apr 12, 2020
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