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All Questions
+0
235737 Questions
0
30
1
+2669
Help plz
All sacks of sugar have the same weight. All sacks of flour also have the same weight, but not necessarily the same as the weight of the sacks of sugar. Suppose that two sacks of sugar together with three sacks of flour weigh no more than 40 pounds, and
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hairyberry
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LiIIiam0216
Mar 20, 2024
0
38
0
+850
Coefficient
Find the coefficient of u^2*v^9 in (2u - 3*v^3)*5*(3u^3 - 2v^5)^3.
magenta
Mar 20, 2024
0
43
0
+850
Expand
Expand (x^2 + 1/x)*(x + x^4)^3.
magenta
Mar 20, 2024
0
29
0
+850
Expand
Expand (sqrt(t) + t^3)^4*(sqrt(t) - t^3)^4*(t - sqrt(t))^4.
magenta
Mar 20, 2024
0
24
1
+2669
need help
Jeri finds a pile of money with at least 200. If she puts 50 of the pile in her left pocket, gives away 2/3 of the rest of the pile, and then puts the rest in her right pocket, she'll have more money than if she instead gave away 200 of the original pile
read more ..
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LiIIiam0216
Mar 20, 2024
0
45
1
+2669
Coordinate Geometry
A median of a triangle is a line segment from a vertex of a triangle to the midpoint of the opposite side of the triangle. Below, the three medians of the black triangle are shown in red.
Notice that the three medians appear to pass
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LiIIiam0216
Mar 20, 2024
0
34
1
+2669
help inequality
My street hockey team plays three games each week. My team lost all $9$ games in the first three weeks. Then, my team won one game and lost two games in the fourth week, bringing our record to $1$ win and $11$ losses. Each week after that, my team
read more ..
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LiIIiam0216
Mar 20, 2024
0
33
1
+2669
help algebra
The product $(3-\sqrt{5})(4+\sqrt{5})(1+6\sqrt{5})$ can be expressed in the form $a+b\sqrt{5}$, where $a$ and $b$ are integers. Find $a+b$.
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LiIIiam0216
Mar 20, 2024
0
41
1
+355
truck problem
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 500 pounds more than each of her trucks, but no more than 3/8 of the total load her four trucks combined can carry. Based on these
read more ..
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Lilliam0216
Mar 20, 2024
-1
28
1
+2669
Minimum
Find the minimum value of 9^x - 2 \cdot 3^x + 1 over all real numbers x.
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LiIIiam0216
Mar 20, 2024
-1
41
1
+2669
Linear Inequality
Find a linear inequality with the following solution set. Each grid line represents one unit.
(Give your answer in the form ax + by > c or ax + by >= c where a, b, and c are integers with no common factor other than 1.)
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LiIIiam0216
Mar 20, 2024
-1
41
0
+2669
Help quadratic
Two parabolas are the graphs of the equations $y=2x^2-7x+1$ and $y=4x^2+5x-11$. Give all points where they intersect. List the points in order of increasing $x$-coordinate, separated by semicolons.
LiIIiam0216
Mar 20, 2024
0
46
0
+850
Coefficient
Find the coefficient of y^4 in the expansion of (2y - 5)*(5y - 2)^6.
magenta
Mar 20, 2024
0
37
1
+355
find (b, c)
The roots of are the same as the roots of for some constants and Find the ordered pair
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Lilliam0216
Mar 20, 2024
0
25
1
+355
find r^2
The equation can be written in the form , where , and are integers. Find the value of .
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Lilliam0216
Mar 20, 2024
0
23
1
+355
finding j
For what values of does the equation have exactly one real solution? If you find more than one, then list the values separated by commas.
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Lilliam0216
Mar 20, 2024
0
19
1
+850
help variables
Find one ordered pair $(x,y)$ of real numbers such that $x + y = 10$ and $x^3 + y^3 = 162 + x^2 + y^2.$
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magenta
Mar 20, 2024
0
26
0
+359
Algebra
Describe all solutions to zw -3w - 2iw + 4iz = - 8 + 12i where z and w are complex numbers.
falafronk
Mar 20, 2024
0
20
1
+359
Integers
Find the number of ordered pairs $(a,b)$ of integers such that
\frac{a + 2}{a + 1} = \frac{b}{8}.
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falafronk
Mar 20, 2024
0
36
1
+4
math
A pair of kids and a pair of adults decided to compete in a three-legged race. The kids got to start 18 yards ahead of the adults, since they had shorter legs. When they were told to start, the kids hobbled forward at a rate of 3 yards per second, and the
read more ..
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jeremiahabreu
Mar 20, 2024
0
42
1
+359
Complex Numbers
Fill in the blanks with real numbers
(sqrt(3) + i)*6i = ___ + ___i
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falafronk
Mar 20, 2024
0
29
1
+359
Algebra
Select a sign ($+$ or $-$) and fill in the blank with a constant, so that the resulting expression can be factored as the product of two linear factors.
2mn - 21m + 5n - mn + 14m + 6n + ___
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falafronk
Mar 20, 2024
0
35
1
+359
Complex Numbers
Fill in the blanks with real numbers.
(11 - 7i)*(2 + i) = ___ + ___ i
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falafronk
Mar 20, 2024
0
28
1
+359
Complex Numbers
Fill in the blanks with real numbers.
(11 - 7i) + (2 + i) = ___ + ___ i
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falafronk
Mar 20, 2024
0
16
0
+1246
Algebra
Consider the two expressions (6x^3 + 9x^2 + 4x + 7 - 17x^2 - 8x + 8)/(2x + 3 - 7x - 11) and 4x^2 - 7 + 1/(2x + 3 - 7x - 11)
a) Show that the two expressions represent equal numbers when x = 10
b) Explain why these two expressions
read more ..
Akhain1
Mar 20, 2024
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