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Post New Question
All Questions
+0
229743 Questions
May 26, 2023
0
49
2
system
Real numbers a and b satisfy
a + ab = 250
a - ab = -240
Enter all possible values of a, separated by commas.
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Guest
May 26, 2023
0
49
3
coefficient
Find the coefficient of y^4 in the expansion of (2y-5+3y^2)^6.
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Guest
May 26, 2023
0
39
2
help quick pls
A magician makes potions by combining maple syrup from a magical maple tree with ordinary water. The magician starts with a large supply of two potions: a red potion, which is 60% magical syrup by volume (and the rest is just water), and blue potion, which
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Guest
May 26, 2023
0
40
5
pls help
find b if b/7 + b^2/7^2 + b^3/7^3...=7.
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Guest
May 26, 2023
0
53
1
need help plz
this might seem easy but i am easily confused.
Find the number of ways that Magnus can give out 10 identical stickers to 8 of his friends. (Not everyone has to get a sticker.)
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Guest
May 26, 2023
0
48
1
system
Find the ordered quintuplet (a,b,c,d,e) that satisfies the system of equations
a + 2b + 3c + 4d + 5e = 41
2a + 3b + 4c + 5d + e = 15
3a + 4b + 5c + 1d + 2e = 34
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Guest
May 26, 2023
0
49
1
help plz
In triangle ABC, point X is on side BC such that AX=13,BX=10,CX=10, and the circumcircles of triangles ABX and ACX have the same radius. Find the area of triangle ABC.
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Guest
May 26, 2023
0
47
0
solve
Solve for the variable x in terms of y and z, assuming y \neq \frac{1}{2}:
xy + x = \frac{3x + 2y + z + y + 2z}{3}
Guest
May 26, 2023
0
51
0
system
I need help with this
For certain values of k and m, the system
3a + 2b = 2
6a + 2b = k + 3a + mb
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Guest
May 26, 2023
0
46
0
calculate
= ((1^2 + 1^2)π^2(1.05457182 × 10^(-34) J·s)^2) / (2(1.67262192 × 10^(-27) kg)((3.536 x 10^(-12) m)^2))
Guest
May 26, 2023
0
50
1
system
Find the ordered triple (p,q,r) that satisfies the following system:
p - 2q = 3
q - 2r = -2 + q
p + r = 9 + p
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Guest
May 26, 2023
0
62
1
ratios
A bag contains yellow, green, blue, and white marbles. The ratio of yellow, green, blue, and white marbles is 1:2:3:4. If the bag contains 180 marbles, then how many blue marbles are there?
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Guest
May 26, 2023
0
55
0
help with geo
A cylinder has a surface area of about 221.1 square meters and a height of 7.8 meters. What is the approximate radius of the cylinder?
Guest
May 26, 2023
0
64
1
system
Im having trouble with this
One ordered pair (a,b) satisfies the two equations ab^4 = 48 and ab = 72. What is the value of b in this ordered pair? (Note: you may have to use the Tab key to get your cursor into the middle answer box
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Guest
May 26, 2023
0
46
1
+656
Please Help!
Please express your answer clearly and try to show your work so that I can benefit from the problem. Thanks!
Rectangle ABCD is 8 cm by 4 cm. M is the midpoint of , and N is the midpoint of . What is the number
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Keihaku
May 26, 2023
0
47
0
system
At a cafeteria, Mary orders two pieces of toast and a bagel, which comes out to $3.15. Gary orders a bagel and a muffin, which comes out to $3.50. Larry orders a piece of toast, two bagels, and three muffins, which comes out to $8.15. How many cents does
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Guest
May 26, 2023
0
58
1
+4
teacher division
If 8 new teachers are to be divided among 4 schools, how many divisions are possible? What if each school must receive 2 teachers?
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simangaliso
May 26, 2023
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