член: Firewolf

0

1405

3

+237

Regular hexagon $ABCDEF$ is the base of the right pyramid $PABCDEF.$ If $PAD$ is an equilateral triangle with side length 6, then what is th

Regular hexagon ABCDEF is the base of the right pyramid PABCDEF. If PAD is an equilateral triangle with side length 6, then what is the sum of the lengths of the edges of the pyramid?

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Firewolf 2 янв. 2020 г.

0

1710

2

+237

Subtract $0.\overline{07}$ from $0.07$ and convert the answer to a simplified fraction.

Subtract from 0.07 and convert the answer to a simplified fraction.

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Firewolf 18 дек. 2019 г.

0

3268

6

+237

In a right-angled triangle, the sum of the squares of the three side lengths is 1800. What is the length of the hypotenuse of this triangle?

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Firewolf 10 авг. 2019 г.

+1

1

1115

5

+237

inverse proportion help!

Suppose a is directly proportional to b, but inversely proportional to c. If a=2 when b=5 and c=9, then what is c when b=3?

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Firewolf 7 авг. 2019 г.

+1

3814

4

+237

Compute \[1 \cdot \frac {1}{2} + 2 \cdot \frac {1}{4} + 3 \cdot \frac {1}{8} + \dots + n \cdot \frac {1}{2^n} + \dotsb.\]

Compute

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Firewolf 11 апр. 2019 г.

+1

960

5

+237

square roots

1) Fully simplify
2) Fully simplify

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Firewolf 29 мар. 2019 г.

+2

2450

2

+237

The same eight people sit in a certain church pew every week, but not always in the same order. Every week, each person hugs the people imme

The same eight people sit in a certain church pew every week, but not always in the same order. Every week, each person hugs the people immediately to his or her left and right. How many weeks does it take (at a minimum) for every pair of people to hug прочитайте больше ..

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Firewolf 28 мар. 2019 г.

+2

2890

1

+237

What is the greatest possible value of $x$ that solves the equation \[ \left( \frac {4x - 16}{3x - 4} \right)^{\!2} + \left( \frac {4x - 16}

What is the greatest possible value of x that solves the equation ?

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Firewolf 27 мар. 2019 г.

+1

827

1

+237

The same eight people sit in a certain church pew every week, but not always in the same order. Every week, each person hugs the people imme

The same eight people sit in a certain church pew every week, but not always in the same order. Every week, each person hugs the people immediately to his or her left and right. How many weeks does it take (at a minimum) for every pair of people to hug прочитайте больше ..

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Firewolf 27 мар. 2019 г.

+2

2417

1

+237

Solve: $|2x - 1| = |3x + 5|$. Write your answers as a list of numbers, separated by commas, e.g. '23, 19' (but without the quotes).

Solve: . Write your answers as a list of numbers, separated by commas, e.g. "23, 19" (but without the quotes).

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Firewolf 21 мар. 2019 г.

+1

4976

5

+237

Given positive integers $x$ and $y$ such that $x \not = y$ and $\frac {1}{x} + \frac {1}{y} = \frac {1}{12}$, what is the smallest possible

Given positive integers x and y such that and , what is the smallest possible positive value for ?

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Firewolf 21 мар. 2019 г.

+1

2768

1

+237

Two trains travel directly toward each other. One of the trains travels at a rate of 12 km/h while the other travels at a rate of 20 km/h. W

Two trains travel directly toward each other. One of the trains travels at a rate of 12 km/h while the other travels at a rate of 20 km/h. When the trains are 72 km apart a conductor at the front of one of the trains releases the insane pigeon Hyde. Hyde прочитайте больше ..

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Firewolf 21 мар. 2019 г.

+1

1187

1

+237

The terms of a particular sequence are determined according to the following rules: * If the value of a given term is an odd positive intege

The terms of a particular sequence are determined according to the following rules:
* If the value of a given term is an odd positive integer s, then the value of the following term is 3s-9
* If the value of a given term is an even positive integer прочитайте больше ..

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Firewolf 21 мар. 2019 г.

+1

2047

1

+237

Evaluate: $\dfrac{(x+y)^2 - (x-y)^2}{y}$ for $x=6$, $y \not= 0$.

Evaluate: , for and .

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Firewolf 9 мар. 2019 г.

+2

2483

2

+237

The sum of the squares of two positive integers is 193. The product of the two integers is 84. What is the sum of the two integers?

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Firewolf 26 янв. 2019 г.

+1

2587

1

+237

In the sequence below, a 1 is followed by two 2's, three 3's, and so on, up to ten 10's. What is the average of the mean, mode,

In the sequence below, a 1 is followed by two 2's, three 3's, and so on, up to ten 10's. What is the average of the mean, mode, and median of the sequence?

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Firewolf 8 дек. 2018 г.

+1

811

2

+237

The fifth term of an arithmetic sequence is 9 and the 32nd term is -84. What is the 23rd term?

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Firewolf 5 дек. 2018 г.

+1

3419

3

+237

Rico can walk 3 miles in the same amount of time that Donna can walk 2 miles. Rico walks at a rate 2 miles per hour faster than Donna.

Rico can walk 3 miles in the same amount of time that Donna can walk 2 miles. Rico walks at a rate 2 miles per hour faster than Donna. At that rate, what is the number of miles that Rico walks in 2 hours and 10 minutes?

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Firewolf 7 нояб. 2018 г.

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