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Post New Question
All Questions
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237665 Questions
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515
1
pleez help i need
The sum of the first n terms of the geometric sequenece 1/4, 1/8, 1/16, ... is 63/128. Find n.
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Guest
Oct 6, 2020
0
588
1
HELPP PLZZZ ASAP
Square ABCD has side length 1 unit. Points E and F are on sides AB and CB, respectively, with AE=CF. When the square is folded along the lines DE and DF, sides AD and CD coincide and lie on diagonal BD. The length of segment AE
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Guest
Oct 6, 2020
0
829
3
PLZ HELP
the difference of two 4 digit numbers is 5639 what might the numbers be
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Guest
Oct 6, 2020
-1
576
1
number theory
Use each of the five digits 1,3,5,7 and 9 only once to form a three-digit integer and a two-digit integer which will be multiplied together. What is the greatest possible product?
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Guest
Oct 6, 2020
+1
1093
3
+1443
PLEASE HELP!
Find the equation of a line in slope-intercept form that passes through the point (4, -1) and is // to the line y = 1/2x - 3.
a) y = 1/2x - 1
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SmartMathMan
Oct 6, 2020
+1
476
1
help please
If 2x = 5y and 7y = 11z, what is the value of z/x expressed as a common fraction?
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Guest
Oct 6, 2020
+3
1
1475
2
+136
Please help ASAP
In the card game Set, each card has a number of shapes, with four attributes:
Number: The number of shapes is 1, 2, or 3.
Color: Each shape is red, purple, or green.
Shape: Each shape is oval, diamond, or squiggle.
Shading: Each shape
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EinsteinBrain29
Oct 6, 2020
0
504
1
parabola
If we express -2x^2 + 6x - 8 in the form a(x - h)^2 + k, what is k?
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Guest
Oct 6, 2020
0
383
0
Application Question
State a possible equation for a function that is increasing on the interval (-4, infinity) decreasing on the interval (-infinity, -4), has an absolute value of -8 and passes through the point (-2,0)
Guest
Oct 6, 2020
+1
663
5
algebra 2
i need help with solve the system
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Guest
Oct 6, 2020
0
738
2
+1443
Please help!
Find the equation of a line in slope-intercept form that passes through the point (4, -1) and is // to the line
a) y = 1/2x - 1
read more ..
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SmartMathMan
Oct 6, 2020
0
448
1
algebra
400g of 20%,240g of 43%and350g of 66% sulfuric acid are mixed .how much watershould be added to make a 10% solution of sulfuric acid?
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Guest
Oct 6, 2020
0
490
2
PLZ HELP ASAP!!! TY!!!
A quadratic of the form -2x^2 + bx + c has roots of x = 3 + sqrt(5) and x = 3 - sqrt(5). The graph of y = -2x^2 + bx + c is a parabola. Find the vertex of this parabola.
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Guest
Oct 6, 2020
0
1325
2
+299
Khan academy question please help
Venera sent a chain letter to her friends, asking them to forward the letter to more friends.
The relationship between the elapsed time t, in months, since Venera sent the letter, and the number of people, P(t), who receive
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tomsun
Oct 6, 2020
0
481
1
inverse function
If f(x) = (7x + 2)/4, what is the value of (f^{-1}(1))^{-1}?
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Guest
Oct 6, 2020
0
516
1
Geometric Means in right triangles
How do geometric means and right triangles relate? What are the geometric means in a right triangle?
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Guest
Oct 6, 2020
0
336
0
math problem
Select all pairs that represent a combination of juice and water
Guest
Oct 6, 2020
0
399
1
help
Find all integers n such that the quadratic 7x^2 + nx - 11 can be expressed as the product of two linear factors with integer coefficients.
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Guest
Oct 6, 2020
0
670
1
Help please
1.Find a function f(z) such that the line below is the graph of the equation |z-3i|=|f(z)|. z is a complex number in the form a+bi in all 3 questions
2.The square of the non-real complex number z is equal to the z (this z should have a line on top
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Guest
Oct 6, 2020
0
532
1
Having a bit of trouble with this.
A square patio has an area of 181 square feet. How long is each side of the patio to the nearest tenth?
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Guest
Oct 6, 2020
0
345
0
please help
What is the area of the region bounded by the three lines with equations 2x + y = 8, 2x - 5y = 10, and x + y = 3?
Guest
Oct 6, 2020
0
512
1
Draw the funtion f(x) = |x^2 - 4| - x and then solve the inequality f(x) > |x - 2| - 2.
Draw the funtion f(x) = |x^2 - 4| - x and then solve the inequality f(x) > |x - 2| - 2.
Been struggling with this task a lot, I hope you here can help me!
read more ..
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Guest
Oct 6, 2020
0
475
1
number theory help
How many fractions in the form , with
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Guest
Oct 6, 2020
0
489
1
i forget how to do this
If you bike for 4 hours at 12 mph and then walk for 1 hour at 2 mph, what would be your average speed?
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Guest
Oct 6, 2020
0
465
1
Help me
how many times does 37 go into 314
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Guest
Oct 6, 2020
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