All Questions ⁺⁰235719 Questions

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Algebra

Evaluate the infinite geometric series
0.4 + 0.036 + 0.0000324 + ...
Express your answer as a fraction with integer numerator and denominator.

onyuIee Sep 19, 2024

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3

+448

Algebra

Levans writes a positive fraction in which the numerator and denominator are integers, and the numerator is 2 greater than the denominator. He then writes several more fractions. To make each new fraction, he increases both the numerator and the denominator read more ..

onyuIee Sep 19, 2024

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+448

Algebra

Find all values of $x$ such that $x^2 - 5x + 4 = -x^2 - 25x - 14$. If you find more than one value, then list your solutions, separated by commas.

onyuIee Sep 19, 2024

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12

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+936

Geometry

A median of a triangle is a line segment joining a vertex of a triangle to the midpoint of the opposite side. Let's try this out with a particular triangle. Consider the triangle ABC with A=(0,0) B=(1,0) C=(0,1).
(a) Let D, E, F be read more ..

Rangcr897 Sep 19, 2024

Sep 18, 2024

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+253

Geometry

In triangle $ABC$, let the perpendicular bisector of $BC$ intersect $BC$ and $AC$ at $D$ and $E$, respectively. If $BC = 20$ and $\angle C = 15^\circ$, then find the length of $BE$.

jaekg Sep 18, 2024

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+253

Geometry

In triangle $ABC$, $\angle ABC = 90^\circ$, and $D$ is on side $\overline{BC}$ such that $\overline{AD}$ bisects $\angle BAC$. If $AB = 4,$ $BC = 3$, and $AC = 5,$ then find the area of $\triangle ADC$. Round your answer to the nearest integer.

jaekg Sep 18, 2024

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+253

Geometry

Point D is the midpoint of median AM of triangle ABC. Point E is the midpoint of AB, and point T is the intersection of BD and ME. Find the area of triangle BEC if [ABC] = 14.

jaekg Sep 18, 2024

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+1222

Algebra

Three runners, Dirk, Edith, and Foley all start at the same time for a $24$ km race, and each of them runs at a constant speed. When Dirk finishes the race, Edith is $10$ km behind, and Foley is $15$ km behind. When Edith finishes the race, how far read more ..

learnmgcat Sep 18, 2024

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11

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+4

8th grade Algebra

Relationship A has a lesser rate than Relationship B. This table represents Relationship B.
Hours worked2458
Amount paid ($)36.507391.25146
Which equation could represent Relationship A? read more ..

Lily2011 Sep 18, 2024

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5

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+337

Algebra

Determine all of the following for f(x) \cdot g(x), where f(x) = -7x^4-3x^2 + 2 and g(x) = 2x^8 - 3x^7 + 5x^6 + 3x^5 - 11x^4 + 3x^3 - 18x^2 + 17x - 5.
Leading term:
Leading coefficient:
Degree: read more ..

MeIdHunter Sep 18, 2024

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+337

Algebra

There exists a polynomial f(x) and a constant k such that
(x^2 - 2x - 5) f(x) = x^4 - 2x^3 + kx^2
What is k?

MeIdHunter Sep 18, 2024

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+448

Algebra

What is the coefficient of x in (x^3 + x^2 + x + 1)(x^4 + 3x^3 + 4x^2 + 8x + 7)?

onyuIee Sep 18, 2024

+1

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1

+448

Algebra

What is the coefficient of x^2 in (x^3 + x^2 + x + 1)(x^4 + 3x^3 + 8x + 7x + 1)?

onyuIee Sep 18, 2024

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+32

among 3 digit numbers, how many numbers are there with exactly 9 factors? help

among 3 digit numbers, how many numbers are there with exactly 9 factors?
i know 2^8 is an option

catswift Sep 18, 2024

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+337

Help meee!

Triangle ABC is rotated completely around side BC, sweeping out a solid in space. Find the volume of the solid.
AB = 5, AC = 5, CB = 5

MeIdHunter Sep 18, 2024

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+337

Plz help

In quadrilateral $BCED$, sides $\overline{BD}$ and $\overline{CE}$ are extended past $B$ and $C$, respectively, to meet at point $A$. If $BD = 8$, $BC = 3$, $CE = 1$, $AC = 19$ and $AB = 13$, then what is $DE$?

MeIdHunter Sep 18, 2024

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+63

Halp Fast!

Find the smallest positive real number x such that:

MeldHunter Sep 18, 2024

Sep 17, 2024

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+834

Geometry

In triangle $ABC$, points $D$ and $F$ are on $\overline{AB},$ and $E$ is on $\overline{AC}$ such that $\overline{DE}\parallel \overline{BC}$ and $\overline{EF}\parallel \overline{CD}$. If $CE =3$ and $DF = 3$, then what is $BD$?

RedDragonl Sep 17, 2024

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6

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+834

Geometry

In triangle $PQR,$ $M$ is the midpoint of $\overline{QR}.$ Find $PM.$
PQ = 5, PR = 8, QR = 11

RedDragonl Sep 17, 2024

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6

1

+834

Geometry

In right triangle $ABC,$ $\angle C = 90^\circ$. Median $\overline{AM}$ has a length of 1, and median $\overline{BN}$ has a length of 1. What is the length of the hypotenuse of the triangle?

RedDragonl Sep 17, 2024

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+1222

Geometry

The area of a trapezoid is $80$. The length of one base is $16$ units greater than the other base, and one base of the trapezoid is $12$. Find the length of the median of the trapezoid.

learnmgcat Sep 17, 2024

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3

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+1222

Geometry

A quadrilateral has angles of $q$, $4q + 17^\circ $, $8q + 21^\circ$, and $15q + 148^\circ $. Find the largest angle of the quadrilateral, in degrees.

learnmgcat Sep 17, 2024

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