All Questions

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1464

2

help

A coin collection is made up of 34 coins comprised of nickels and dimes. The total value of the collection is $1.90. How many dimes and nickels made up these collections?

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Guest Feb 9, 2020

0

506

1

quadratic functions

an object from a height of 24 feet is thrown with an upwards velocity. 58 feet per second. How long does it take the object to hit the ground?

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Guest Feb 9, 2020

0

505

1

which button does to the power? Example (1+.11)8

which button on the web2.0calc does to the power? Example (1+.11)8

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Guest Feb 9, 2020

0

1318

2

please help

Paper rectangle ABCD is folded in such a way that the fold passes through point B, and so A coincides with point H where H ∈ CD. BK is the folding line where K ∈ AD. m∠BKD = 120°. If BK = 28 cm, find BC.

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Guest Feb 9, 2020

0

425

1

Help plz

Anty the ant is on the real number line, and Anty's goal is to get to 0. If Anty is at 1, then on the next step, Anty moves to either 0 or 2 with equal probability. If Anty is at 2, then on the next step, Anty always moves to 1. Let be expected number read more ..

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Guest Feb 8, 2020

0

2069

2

Help!

A stick is 5 units long. It is broken at two points, chosen at random. What is the probability that all three pieces are longer than 1 unit?
There was the ame question, but there was no correct answer.

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Guest Feb 8, 2020

0

1000

6

Helppppp!

Evaluate
0.30+0.31+0.32+0.33+0.34...+0.47+0.48+0.49+0.50
Express your answer as a decimal.

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Guest Feb 8, 2020

0

831

1

help

Dogberry's alarm clock is battery operated. The battery could fail with equal probability at any time of the day or night. Every day Dogberry sets his alarm for 6:30 a.m. and goes to bed at 10:00 p.m. Find the probability that when the clock battery finally read more ..

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Guest Feb 8, 2020

0

544

2

There exists a real number such that the equation does not have any solutions in t and s. Find k.

There exists a real number such that the equation
does not have any solutions in t and s. Find k.

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Guest Feb 8, 2020

0

605

1

help

Jeremy is playing a game where he must roll a cube numbered 1 to 6 and a color cube at the same time. The sides of the color cube are red, yellow, green, blue, white, and purple. The table shows all the outcomes of rolling the two cubes.
Outcomes 1 2 read more ..

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Guest Feb 8, 2020

0

549

2

I need help with these badly...

1.All of the members of our spray-painting team paint at the same speed. If 20 team members can paint a 6000 square foot wall in 24 minutes, then how many minutes would it take the 20 members to paint an 8000 square foot wall?

2.All read more ..

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Guest Feb 8, 2020

-2

1907

4

+71

1. There are four positive integers a, b, c, and d such that for all values of x. Find a, b, c, and d.

1. There are four positive integers a, b, c, and d such that for all values of x. Find a, b, c, and d.

2. There are integers a, b, c, and d such that . Find a+b and c+d.
read more ..

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rubikx2910 Feb 8, 2020

0

468

3

PLS HELP! I have been stuck on this problem for more than 2 days!

Each gallon of paint covers 200 square feet. I have to paint one side of a wall that is 12 meters tall and 50 meters long. If a foot is approximately 0.3048 meters, then what is the smallest whole number of gallons I can buy and have enough paint to cover read more ..

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Guest Feb 8, 2020

0

447

2

PLS HELP!! Ive been stuck on this problem for 2 days!

Each gallon of paint covers 200 square feet. I have to paint one side of a wall that is 12 meters tall and 50 meters long. If a foot is approximately 0.3048 meters, then what is the smallest whole number of gallons I can buy and have enough paint to cover read more ..

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Guest Feb 8, 2020

+2

948

6

+1490

Simple Geometry

The area of the square ABCD is 16 cm². Its area is divided into 4 equal squares. Line EH passes through the center of the large square.
Angle AHG is 90°. Find the area of the yelow-bordered region.

need help

After each of 50 cards is marked with a different whole number from 1 through 50, the cards are the paired at random. At most how many of these 25 pairs have a sum of 25?

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Guest Feb 8, 2020

0

409

2

Pls Help quick!

All of the members of our spray-painting team paint at the same speed. If 8 team members can paint a certain wall in 36 minutes, then how many minutes would it take 12 of our team members to paint the same wall?

thank you for helping read more ..

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Guest Feb 8, 2020

0

1084

2

In triangle WXY, WX is eight and XY is fourteen. The circumcircle of triangle WXY is constructed. The tangent to the circumcircle at X is

In triangle WXY, WX is eight and XY is fourteen. The circumcircle of triangle WXY is constructed. The tangent to the circumcircle at X is drawn, and the line through W parallel to this tangent intersects XY at Z. Find YZ. read more ..

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Guest Feb 8, 2020

0

1037

1

+16

bandwidths and analog

An analogue signal has a bandwidth that extends from very low frequencies up to 12 kHz. Using the sampling theorem, what is the minimum sampling rate (number of samples per second) required to convert this signal into a digital representation?
If read more ..

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Rob93old Feb 8, 2020

0

1793

1

+16

maths question

A mobile base station (BS) in an urban environment has a power measurement of 35 µW at 180 m. Assuming the propagation follows the inverse 4th power law, what is a reasonable power value in W, to assume at a distance of 540 m from the BS? Express your answer read more ..

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Rob93old Feb 8, 2020

0

751

3

Help with geometry problem with picture

Line PQ and PR are tangent to the circle.

https://latex.artofproblemsolving.com/c/c/1/cc16b62c53fd72035896c4f0760d814431cc0883.png
read more ..

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Guest Feb 8, 2020

0

599

1

please help!!!!!

A mobile base station (BS) in an urban environment has a power measurement of 35 µW at 180 m. Assuming the propagation follows the inverse 4th power law, what is a reasonable power value in W, to assume at a distance of 540 m from the BS? Express your answer read more ..

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Guest Feb 8, 2020

0

1917

1

Please help, ASAP!

I usually don't do this but I'm really sick and missed class. Any help is appreciated!

1) Trapezoid $EFGH$ is inscribed in a circle, with $EF \parallel GH$. If arc $GH$ is $70$ degrees, arc $EH$ is $x^2 - 2x$ degrees, read more ..

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Guest Feb 8, 2020

0

429

1

help

David started across a lake 15 miles wide in his fishing boat at 10 miles per hour. He had to row the rest of the way at only 5 miles per hour after his motor went out. If he was rowing for half the time that the trip took, how long did the total trip take read more ..

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Guest Feb 8, 2020

All Questions ⁺⁰234777 Questions

help

quadratic functions

which button does to the power? Example (1+.11)8

please help

Help plz

Help!

Helppppp!

help

There exists a real number such that the equation does not have any solutions in t and s. Find k.

help

I need help with these badly...

1. There are four positive integers a, b, c, and d such that for all values of x. Find a, b, c, and d.

PLS HELP! I have been stuck on this problem for more than 2 days!

PLS HELP!! Ive been stuck on this problem for 2 days!

Simple Geometry

need help

Pls Help quick!

In triangle WXY, WX is eight and XY is fourteen. The circumcircle of triangle WXY is constructed. The tangent to the circumcircle at X is

bandwidths and analog

maths question

Help with geometry problem with picture

please help!!!!!

Please help, ASAP!

help

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