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Post New Question
All Questions
+0
237827 Questions
0
210
2
What is the square root?
What is the square root of 81
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Guest
Nov 4, 2022
0
242
1
hi, plz help me with a few questions. thank you!
1.The graph of y=f(x) is shown in red below. For how many values of c is f(c)=-1?
(Assume grid lines are spaced 1 unit apart.)
2.
read more ..
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Guest
Nov 4, 2022
0
262
1
Algebra
Find the ordered pair, (s, t) that satisfies the system
(s/2) - 3t = -1,
3t - 2s = 3 + s
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Guest
Nov 4, 2022
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205
1
help
what is 3/7 cubed
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Guest
Nov 4, 2022
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193
0
help algebra
In November's Math Meet, the Little Monsters of Beast Academy solved 1/3 of the problems. In March's Math Meet, they solved 2/7 of the problems. (There might be different numbers of problems asked in November and March.)
In total, the Little Monsters
read more ..
Guest
Nov 4, 2022
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257
1
What is the formula of area of a triangle?
What is the formula of area of a triangle?
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Guest
Nov 4, 2022
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246
1
Algebra
Find all solutions to the system
a + b = 14
a^3 + b^3 = 812 + ab
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Guest
Nov 4, 2022
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267
1
Number Theory
Find the largest prime divisor of 25^2 + 72^2 + 85^2.
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Guest
Nov 4, 2022
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201
0
Function
Let
f(x) = -x + 3 if x >= 1
f(x) = 2x + 1 if x < 1
Find the sum of all values of x such that f(x) = 0
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Guest
Nov 4, 2022
0
220
1
plz help
Find the number of positive integers that satisfy the following conditions:
* Each digit is a 1 or a 2 or a 3
* The sum of the digits is 10
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Guest
Nov 4, 2022
0
263
3
Please help Melody and Cphill
Points M,N, and O are the midpoints of sides KL,LJ , and JK, respectively, of triangle JKL. Points P, Q, and R are the midpoints of NO, OM, and MN, respectively. If the area of triangle PQR is 27, then
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Guest
Nov 4, 2022
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193
0
systems of equations
y=2x-3
Guest
Nov 4, 2022
0
269
2
Algebra
An aquarium tank is 1/6 full of water. When 2 gallons of water are added, the tank becomes 1/3 full. What is the total capacity of the aquarium tank, in gallons?
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Guest
Nov 4, 2022
Nov 3, 2022
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237
2
Parabola
How many y-intercepts does the graph of the parabola x = -y^2 + 4y - 4 - 2y + 7 have?
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Guest
Nov 3, 2022
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188
0
quadratic
If the two roots of the quadratic 4x^2 + 7x + k are (-7 +/- i*sqrt(79))/8, what is k?
Guest
Nov 3, 2022
0
214
0
System
Solve each of the following systems of equations. Find all solutions.
(a) x + y = -1
3x = 4- 3y + 5x - 2
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Guest
Nov 3, 2022
0
200
0
Roots
If a, b, and c are the roots of the equation 2x^3-6x^2-15x-3=0, then find a^2 + b^2 + c^2.
Guest
Nov 3, 2022
0
194
0
Polynomial
If f is a polynomial of degree 3, such that f(0) = f(2) = f(3) = 1 and f(1) = 0, find f(4).
Guest
Nov 3, 2022
0
186
0
Algebra
In November's Math Meet, the Little Monsters of Beast Academy solved 1/3 of the problems. In March's Math Meet, they solved 2/7 of the problems. (There might be different numbers of problems asked in November and March.)
In total, the Little Monsters
read more ..
Guest
Nov 3, 2022
0
237
1
Rectangles
Two rectangles overlap, as shown below. Find the area of the overlapping region (which is shaded) if AB = BE = 2 and AD = ED = 4.
read more ..
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Guest
Nov 3, 2022
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202
0
algebra
For a real number r, let s(r) denote the set of real numbers that can be expressed in the form
a1 r + a2 r^2 + a3 r^3 + ...
with an infinite number of terms, where ai in {0,1}
(a) Show that 1/2 an element in S(1/4)
(b) Show that 1/5
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Guest
Nov 3, 2022
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199
0
What is 51% of 200?
set it up like this 51/100 = _/200 them cross mulitlyply then divied to equle 102/200 !!!
51x200=10200divied by 100 equles 102
Guest
Nov 3, 2022
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