All Questions ⁺⁰230627 Questions

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161

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+656

Urgent Help would be helpful! Thanks :)

What is the slope of a line parallel to ? Express your answer as a common fraction.

Keihaku Dec 5, 2022

+1

164

4

+656

Please Help! Urgent!

A farmer has a rectangular field with dimensions 2m+7 and m-2. If the field has an area of 51 square units, what is the value of m?

Hint: Answer is not 0

Keihaku Dec 5, 2022

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123

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Rectangles

A rectangle has a perimeter of 18 units, and an area of 20 square units. What are the dimensions of the rectangle?

Guest Dec 5, 2022

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126

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Algebra

Pearl writes down seven consecutive integers, and adds them up. The sum of the integers is equal to 6 times the largest of the seven integers. What is the smallest integer that Pearl wrote down?

Guest Dec 5, 2022

+1

222

1

help counting

In the array below, in how many different ways can we start with the letter A and move from letter to letter (horizontally, vertically, or diagonally), to spell the word "ARCH"?

A
RRR read more ..

Guest Dec 5, 2022

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100

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Longest run

nIn a sequence of a coin flips, a run is a series of consecutive coin flips that are all the same. For example, in the sequence
the red letters form a run.
If a fair coin is flipped two times, what is the expected length of the longest run? read more ..

Guest Dec 5, 2022

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93

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geometry

Let AB be a diameter of a circle, and let C be a point on the circle such that AC=8 and BC=14 The angle bisector of ACB intersects the circle at point M Find CM.

Guest Dec 5, 2022

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85

0

help counting

In how many ways can the numbers 1 through 5 be entered once each into the five boxes below so that all the given inequalities are true?

Guest Dec 5, 2022

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129

1

Astrid has 12 blocks, 2 of each are red (R), blue (B), yellow (Y), green (G), orange (O), and purple (P).

Astrid has 12 blocks, 2 of each are red (R), blue (B), yellow (Y), green (G), orange (O), and purple (P). Call an arrangement of blocks even if there is an even number of blocks between each pair of blocks of the same color. Astrid arranges her blocks in read more ..

Guest Dec 5, 2022

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91

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quadratic

Let a and b be the roots of the quadratic 2x^2 - 8x + 7 = x^2 - 14x + 1. Compute a^3 + b^3.

Guest Dec 5, 2022

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152

4

+47

Quick Question - Writing Proof

Hey y'all,

So I am incredibly confused on this question:
read more ..

Qube73 Dec 5, 2022

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87

0

geometry

Let AB be a diameter of a circle, and let C be a point on the circle such that AC=8 and BC=14 The angle bisector of ACB intersects the circle at point M Find CM.

Guest Dec 5, 2022

0

109

1

division

Let f(x) = x^10 - 8x^8 - 8x^3 + 12x^2 - 5x -5. Find the remainder when f(x) is divided by x^2 - 1

Guest Dec 5, 2022

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82

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geometry

Let ABC be a triangle, and let its angle bisectors be AD, BE, and CF, which intersect at I. If DI = 3, BD = 4, and BI = 8, then find the area of triangle ABC.

Guest Dec 5, 2022

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130

1

On average, 1 in 5 Martians lie, and the rest always tell the truth. It rains 30% of the time on mars. If 3 randomly-chosen Martians tell an

On average, 1 in 5 Martians lie, and the rest always tell the truth. It rains 30% of the time on mars. If 3 randomly-chosen Martians tell an astronaut that it is raining, then what is the probability that it is actually raining? read more ..

Guest Dec 5, 2022

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189

2

The number m is randomly selected from the set {11, 13, 15, 17, 19}, and a number n is randomly selected from {1999, 2000, 2001,..., 2018}.

The number m is randomly selected from the set {11, 13, 15, 17, 19}, and a number n is randomly selected from {1999, 2000, 2001,..., 2018}. What is the probability that m^n has a units digit of 1? Please help, I'm dumb

Guest Dec 5, 2022

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115

1

bonnie

Last year’s freshman class at Big State University totaled 5,320 students. Of those, 1,262 received a merit scholarship to help offset tuition costs their freshman year (although the amount varied per student). The amount a student received was N($3,450, read more ..

Guest Dec 5, 2022

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96

0

need help

Triangle ABC has side lengths c = 29, a = 40, and b = 40. Find the inradius of triangle ABC. Find the circumradius of triangle ABC.

Guest Dec 5, 2022

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109

1

carissa

Carissa the chessplayer is a very, very slow walker. In fact, she walks at 100 meters per hour when walking uphill, 180 meters per hour when walking across flat ground, and 250 meters per hour when walking downhill. One day, Carissa walks read more ..

Guest Dec 5, 2022

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104

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tangents

The two circles below are externally tangent. A common external tangent intersects line PQ at R. Find QR.

Guest Dec 5, 2022

Dec 4, 2022

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170

1

Suppose we want to choose 5 objects, without replacement, from 16 distinct objects.

Suppose we want to choose 5 objects, without replacement, from 16 distinct objects.

Guest Dec 4, 2022

0

90

0

need help plz

In Ms. Q's deck of cards, every card is one of four colors (red, green, blue, and yellow), and is labeled with one of seven numbers (1, 2, 3, 4, 5, 6, and 7). Among all the cards of each color, there is exactly one card labeled with each number. The read more ..

Guest Dec 4, 2022

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