All Questions ⁺⁰215490 Questions

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101

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Geometry

In triangle ABC, M is the midpoint of AB. Let D be the point on BC such that AD bisects angle BAC, and let the perpendicular bisector of AB intersect AD at E. If AB = 44, AC = 38, and ME = 18, then find the area of triangle ACD.

Guest Nov 25, 2021

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139

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Geometry

Two long strips of paper are each 2 inches wide, and they overlap so that the angle between the strips is 45 degrees. What is the number of square inches in the area of the parallelogram formed by the overlap?

Guest Nov 25, 2021

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129

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Counting

How many 3-digit numbers contain exactly one 1 and exactly one 2?

Guest Nov 25, 2021

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83

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Help counting

How many continuous paths from A to B, along segments of the figure, do not revisit any of the six labeled points?

Guest Nov 25, 2021

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106

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Học sinh lớp 6A xếp thành 4; 5; 8 hàng đều vừa đủ hàng. Hỏi số HS lớp 6A là bao nhiêu? Biết rằng số HS lớp 6A nhỏ hơn 45.

Học sinh lớp 6A xếp thành 4; 5; 8 hàng đều vừa đủ hàng. Hỏi số HS lớp 6A là bao nhiêu? Biết rằng số HS lớp 6A nhỏ hơn 45.

Students in grade 6A are grouped into 4; 5; 8 rows are just enough. What is the number of students read more ..

Guest Nov 25, 2021

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171

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e^y sinx=x+xy

find dy/dx e^ysinx=x+xy

Guest Nov 25, 2021

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109

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Coordinates

If a is the x-intercept, b is the y-intercept, and m is the slope of the line with equation x/4 + y/18 = 1, then what is the value of a + b + m?

Guest Nov 25, 2021

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158

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Coordinates

If x >= 0 and y >= 0, how many lattice points does the line y = -2x + 28 pass through? (A lattice point is a point with integer coordinates.)

Guest Nov 25, 2021

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141

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Algebra problem

What real value of produces the smallest value of the quadratic t^2 - 9t - 36 + 3t^2 - t + 10?

Guest Nov 25, 2021

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86

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Trig question

In right triangle ABC, with B = 90 degrees, we have sin A = 2 cos A + tan A. What is tan A?

Guest Nov 25, 2021

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172

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+99

Math Help Pls Polynomial Multiplication

Can someone please help me with this problem

Jxalskdfjarkfhqwio3r Nov 25, 2021

+1

185

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+99

MATH Help Please Cleaver Algebraic Manipulations

Can someone please help me with this problem?
Help is greatly appreciated.
Find given that and

Jxalskdfjarkfhqwio3r Nov 25, 2021

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99

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Functions

If g(x) = sqrt((x + 3)/4), for what value of x will g(2x) = 2g(x)? Express your answer in simplest form.

Guest Nov 25, 2021

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84

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Algebra question

Find the largest value of x for which
x^2 + y^2 = x + y + 4
has a solution, if x and y are real.

Guest Nov 25, 2021

+1

236

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+2578

how to calculate something to the 100th degree?

I saw a calculation by putting the opposite like: (-sqrt(2)-isqrt(2))^2, but I am not sure if I should do this one the same way.

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Solveit Nov 25, 2021

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90

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Parabola

The graph of y=ax^2+bx+c has an axis of symmetry of x = 2. Find b/a.

Guest Nov 25, 2021

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100

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The temperature of a city changed by −15 degrees Celsius over a 5-week period. The temperature changed by the same amount each week.

The temperature of a city changed by −15 degrees Celsius over a 5-week period. The temperature changed by the same amount each week.
Part A: Write an expression to show the average change in the temperature of the city each week. (5 points) read more ..

Guest Nov 25, 2021

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98

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Function problem

Let
f(x) = -x + 3 if x <= 0
f(x) = 2x + 8 if x > 0
read more ..

Guest Nov 25, 2021

Nov 24, 2021

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99

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Ordering numbers

order from least to greatest:
$\sqrt{21}$, $\sqrt[3]{27}$, $-\sqrt{64}$, $\sqrt[4]{25}$, $\sqrt{40}$, $-\sqrt[3]{81}$

Guest Nov 24, 2021

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97

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Algebra

The solutions of x(3x-7) = -1 may be expressed in the form m + sqrt n / p and m - sqrt n / p , where m, n, and p have a greatest common divisor of 1. Find m+n+p.

Guest Nov 24, 2021

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104

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Complex Numbers

Express (4-5i)(-5-5i) in the form a+bi , where a and b are integers and i^2=-1.

Guest Nov 24, 2021

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90

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Algebra

The roots of x^2 + 8x + 4 are the same as the roots of Ax^2 + 16x + B . What is A + B?

Guest Nov 24, 2021

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102

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Pls help asap

There are 2 senators from each of the 50 states.
We wish to make a 3 senator committee in which no two of the members are from the same state. In how many ways can we do it?

Guest Nov 24, 2021

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96

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Algebra

Let a and b be the solutions to 5x^2 - 11x + 4 = 0 Find: 1/a^2 + 1/b^2.

Guest Nov 24, 2021

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109

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Wiener Kongress, Heilige Allianz, Beginn der Restauration

Hallo,
ich komm bei dieser Geschichtsfrage gerade gar nicht weiter.
So lautet sie:
Die Historikerin Eva Maria Werner schrieb 2009: ,,Die Revolution von 1848/1849 wirkte auf vielfältige Weise fort". Diskutiere über die These, read more ..

Guest Nov 24, 2021

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