All Questions

0

1544

7

+99

Circles and Angles

Let be a cyclic quadrilateral. Let be the intersection of and , and let be the intersection of and . Prove that the angle bisectors of and are perpendicular. read more ..

Melody ●●●●●●●

benjamingu22 Nov 12, 2017

0

1156

2

Two Earth Science Questions-Urgent Help

Hello everyone, I just have two Earth Science questions that I'm stuck on and I need help. If you can help me, I'd appreciate it. Also, I have answers to these questions, I just would like to make sure that I am correct and accurate. I need to get read more ..

off-topic

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Guest Nov 12, 2017

0

2498

1

How do you solve?

Three points are on the same line if the slope of the line through the first two points is the same as the slope of the line through the second two points. For what value of $c$ are the three points $(2,4)$, $(6,3)$, and $(-5,c)$ on the same line? read more ..

hectictar ●

Guest Nov 12, 2017

0

899

1

Help

For a certain value of $k$, the system \begin{align*} x + y + 3z &= 10, \\ -4x + 2y + 5z &= 7, \\ kx + z &= 3 \end{align*} has no solutions. What is this value of $k$?

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Guest Nov 12, 2017

0

2319

1

Given that S=7a+b+7c and also S=6a+8b+6c, where 51< S < 149 and S is an integer, find the sum a+b+c.

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Guest Nov 12, 2017

0

1

1300

2

+101

If you don't help I'll turn you into Kelp!

How does one verify

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dom6547 Nov 12, 2017

0

877

1

x 16 * x -2 ???

x16 * x-2

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Guest Nov 12, 2017

0

916

2

+502

AS Maths

2x^3 + 9x^2 -25 by (x+5)
Note:Use 0x

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Rauhan Nov 12, 2017

0

718

1

A Sequence.....

Please give at least 3 more terms of this sequence and the formula or the method used to generate them:
{1, 2/3, 1/3, 2/15, 2/45, 4/315, ...}. Thank you for help.

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Guest Nov 12, 2017

0

2033

1

+8

A point (x,y) with integer coordinates is randomly selected such that and . What is the probability that ? Express your answer as

A point (x,y) with integer coordinates is randomly selected such that and . What is the probability that ? Express your answer as a common fraction.

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theavidreader Nov 12, 2017

0

1406

2

+8

The number n is randomly selected from the set {1,2,...,10}, with each number being equally likely. What is the probability that 2n-4>n?

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theavidreader Nov 12, 2017

+1

1132

1

+205

can you crack these?

1. It took a boat 2 hours to reach town A going upstream. The way back was 1 hour and 20 mins. What is the speed of the boat in still water if the speed of the stream is 3 mph?

2. It took a plane 2 hours to go from Dallas to New York read more ..

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joebob Nov 12, 2017

+1

1371

1

+477

How do I figure the standard deviation of 54,55,57,58,58,59,59,61,61,63,66,66,67,67,69,70?

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AsadRehman Nov 12, 2017

+1

1250

1

+477

Curious about Siri

Does Siri Work On SAMSUNG

off-topic

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AsadRehman Nov 12, 2017

0

1201

1

+477

I need help

given that a+b=c, a+c=d, and b=c+d where d is a positive integer what is the greatest value of a

read more ..

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AsadRehman Nov 12, 2017

+1

971

0

+477

Points $A$ and $B$ have the same $y$-coordinate of 13, but different $x$-coordinates. What is the sum of the slope and the $y$-intercept of

Points $A$ and $B$ have the same $y$-coordinate of 13, but different $x$-coordinates. What is the sum of the slope and the $y$-intercept of the line containing both points?

AsadRehman Nov 12, 2017

+1

2484

2

+477

Write a single transformation rule that has the same effect as each composition of transformations. T<6, 7> T<-10, 7>

Write a single transformation rule that has the same effect as each composition of transformations.

T<6, 7> ○ T<-10, 7>

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AsadRehman Nov 12, 2017

+1

632

1

How do I figure the standard deviation of 54,55,57,58,58,59,59,61,61,63,66,66,67,67,69,70?

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Guest Nov 12, 2017

+1

1207

2

using alegra prove that 0.565656... / 0.124242424... is equal in value to 560/123

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Guest Nov 12, 2017

0

2392

1

+912

Which description best defines AB¯¯¯¯¯ ?

Which description best defines AB¯¯¯¯¯ ?

the set of point A and point B and all the points between point A and point B
the set of all points that are the same distance from point A as read more ..

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AngelRay Nov 12, 2017

0

1

3191

1

+912

Drag a reason to each box to complete this proof.

Drag a reason to each box to complete this proof.
If 5x − 4 +13x = 5 , then x = 1/2 .

Statement read more ..

TheXSquaredFactor ●

AngelRay Nov 12, 2017

0

2137

5

+536

144 square feet to square miles.

Use two unit multipliers to convert 144 square feet to square miles. Round any decimal answer to two places.

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ProMagma Nov 12, 2017

0

1331

4

+536

What is the volume in cubic meters?

MaxWong ●●●●

ProMagma Nov 12, 2017

+2

2018

3

+9677

Method of Undetermined Coefficients(challenge for you :D)

Solve the second-order ordinary differential equation:

MaxWong ●●●

MaxWong Nov 12, 2017

All Questions ⁺⁰237806 Questions

Circles and Angles

Two Earth Science Questions-Urgent Help

How do you solve?

Help

Given that S=7a+b+7c and also S=6a+8b+6c, where 51< S < 149 and S is an integer, find the sum a+b+c.

If you don't help I'll turn you into Kelp!

x 16 * x -2 ???

AS Maths

A Sequence.....

A point (x,y) with integer coordinates is randomly selected such that and . What is the probability that ? Express your answer as

The number n is randomly selected from the set {1,2,...,10}, with each number being equally likely. What is the probability that 2n-4>n?

can you crack these?

How do I figure the standard deviation of 54,55,57,58,58,59,59,61,61,63,66,66,67,67,69,70?

Curious about Siri

I need help

Points $A$ and $B$ have the same $y$-coordinate of 13, but different $x$-coordinates. What is the sum of the slope and the $y$-intercept of

Write a single transformation rule that has the same effect as each composition of transformations. T<6, 7> T<-10, 7>

How do I figure the standard deviation of 54,55,57,58,58,59,59,61,61,63,66,66,67,67,69,70?

using alegra prove that 0.565656... / 0.124242424... is equal in value to 560/123

Which description best defines AB¯¯¯¯¯ ?

Drag a reason to each box to complete this proof.

144 square feet to square miles.

What is the volume in cubic meters?

Method of Undetermined Coefficients(challenge for you :D)

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