co1inqiu

8 Questions
0 Answers

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Geometry

In the diagram, AD bisects BAC.
By adding one more condition, we can prove that triangles ABD and ACD are congruent. Which one of the following could be that condition? Select all that apply.
(a) BC mehr ..

co1inqiu vor 10 Stunden

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Geometry

Select the two triangles that must be congruent.
ABC
DEF
GHI mehr ..

co1inqiu vor 10 Stunden

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Geometry

What kind of quadrilateral has the property that both pairs of opposite sides are parallel? Select all that apply.
What kind of quadrilateral has the property that all four sides are equal in length? Select all that apply.
What mehr ..

co1inqiu vor 10 Stunden

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37

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Algebra

Find
\sum_{k = 1}^{20} k(k^2 - 10k - 20)(k^2 + 1)

co1inqiu 07.03.2025

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40

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+33

Algebra

Let t be a root of f(x) = x^3 - x + 3. Evaluate t^6 - 4t^5 + 7t^4 - 3t^2 + 10t - 13.

co1inqiu 04.03.2025

+1

27

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+33

Algebra

Let r, s, and t be solutions of the equation x^3 - 4x^2 - 7x + 12 = 0. Compute
\frac{rs}{t^2} + \frac{rt}{s^2} + \frac{st}{r^2}

co1inqiu 04.03.2025

0

29

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+33

Algebra

Let r, s, and t be solutions of the equation x^3 + 2x^2 - 5x + 15 = 0. Compute
\frac{1}{r - 2s - 2t} + \frac{1}{s - 2r - 2t} + \frac{1}{t - 2r - 2s}

co1inqiu 04.03.2025

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23

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+33

Algebra

Suppose r and s are the values of x that satisfy the equation
x^2 - 2mx + (m^2 - 6m + 11) = 0
for some real number m. Find the minimum real value of (r - s)^2.

co1inqiu 04.03.2025