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Post New Question
All Questions
^{+0}
196836 Questions
0
55
1
function composition
If t(x) = 9 + 2f(x) and f(x) = x^2 - x - 3, then what is t(f(-2))?
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Guest
May 15, 2021
0
45
1
right triangle-trig
In ABC , cos B = 3/25 and angle A is 90 degrees. What is cos C?
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Guest
May 15, 2021
0
43
2
halpu me onii san
Find all pairs of real numbers such that $x + y = 10$ and $x^2 + y^2 = 56$.
For example, to enter the solutions and , you would enter "(2,4),(-3,9)" (without the quotation marks).
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Guest
May 15, 2021
0
64
1
pls
Give an example of a triple (a, b, c) of real numbers such thatabc[a][b][c] = 2021,
where [x] denotes the greatest integer less than or equal to x
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Guest
May 15, 2021
0
63
3
+61
Pls help!!
Idk how to do this, can someone help?
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smonke
May 15, 2021
0
39
1
Trig / precalc question
cos theta = - (sqrt(5))/6 where pi <= theta <= (3pi)/2; tan beta = 4/3 where 0 <= beta <= pi/2 What is the exact value of sin(theta + beta)? Enter your answer as a fraction in simplified form.
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Guest
May 15, 2021
0
55
1
A lot of nuts!
A bag contains 9 hazelnuts, 10 almonds, and 5 walnuts. If 6 are drawn at random, what is the probability of exactly 3 walnuts? thank you.
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Guest
May 15, 2021
0
38
1
help
How many ways are there to put 5 balls in 2 boxes if the balls are distinguishable and the boxes are distinguishable?
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Guest
May 15, 2021
0
65
1
math
A certain type of candle is packaged in boxes that measure 42 cm by 17 cm by 10 cm. The candle company that produced the above packaging has now designed shorter candles. A smaller box will be created by decreasing each dimension of the larger box by the
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Guest
May 15, 2021
0
30
0
coordinates
The lines y = 2x and y = 8/3*x are drawn in the coordinate plane. Find the slope of the line that bisects the acute angle between these lines.
Guest
May 15, 2021
0
69
3
Guess the word
F_ _ K _ N G
its not the bad word
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Guest
May 15, 2021
0
39
2
Ball
How many ways are there to put 5 balls in 2 boxes if the balls are distinguishable and the boxes are distinguishable?
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Guest
May 15, 2021
0
98
5
helppppp
Find the last digit of 196^213 · 213^196 .
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Guest
May 15, 2021
0
50
2
+61
Can someone confirm pls?
Could someone please confirm? I think the average is 4.2 and the mode is 1, if not could someone correct me?
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smonke
May 15, 2021
0
28
1
decimal
Suppose the decimal 0.28 is equal to -n/100, where n is negative. Find n.
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Guest
May 15, 2021
0
301
4
plss helpp meee i need answer with the hour
The diagram below represents a photograph in a frame. The photo has a perimeter of 23 inches, and the area of the whole figure is 58.5 square inches. If the frame is 1 inch thick, what is the area of the photo in square inches?
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Guest
May 15, 2021
0
55
3
Floor Function problem
Give an example of a triple (a, b, c) of real numbers such thatabc[a][b][c] = 2021,
where [x] denotes the greatest integer less than or equal to x
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Guest
May 15, 2021
0
42
3
+191
pls help
In how many positive four-digit integers that are not multiples of 1111 do the digits form an arithmetic sequence from left to right?
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mathisopandcool
May 15, 2021
0
47
1
counting
How many ways are there to divide a red bracelet, a yellow bracelet, a green bracelet, and a black bracelet among 4 people if someone must receive exactly two bracelets?
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Guest
May 15, 2021
0
57
3
+191
A bag contains marbles of three different colors with at least three marbles of each color. Three marbles are randomly selected, without rep
A bag contains marbles of three different colors with at least three marbles of each color. Three marbles are randomly selected, without replacement. How many different color combinations are possible? (Note: ``red, red, blue" and ``red, blue, red" are
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mathisopandcool
May 15, 2021
0
46
1
right-triangle trig
In right triangle BCD with D = 90, we have BC = 9 and BD = 5. Find sin B.
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Guest
May 15, 2021
0
39
1
right-triangle trig
In triangle XYZ, Z = 90, cos Y = 7/29, and XY = 28. What is tan X?
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Guest
May 15, 2021
0
36
1
right-triangle trig
In right triangle ABC, we have AB = 10, BC = 20, and angle ABC = 90. If M is on AC such that BM is a median of triangle ABC, then what is cos ABM?
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Guest
May 15, 2021
0
44
2
coordinates
The circle centered at (2,-1) and with radius 4 intersects the circle centered at (2,8) and with radius sqrt(14) at two points A and B. Find AB^2.
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Guest
May 15, 2021
+1
49
4
coordinates
The points (0,4) and (1,8) lie on a circle whose center is on the x-axis. What is the radius of the circle?
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Guest
May 15, 2021
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