All Questions ⁺⁰238360 Questions

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1440

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+189

help

A and B are two points on a circle with center O, and C lies outside the circle, on ray AB. Given AB = 24, BC = 28, and OA = 15, find OC.

Mathgenius Oct 6, 2018

0

2242

1

+189

Help!!

Earth is roughly 8000 miles in diameter.

(a) I'm riding in a hot air balloon 1 mile above the surface of earth. Approximately how far away is the horizon? (In other words, how far away is the farthest point on the surface of Earth read more ..

Mathgenius Oct 6, 2018

+1

708

1

+693

Write an equation

thank you very much

critical Oct 6, 2018

+4

969

1

+394

Cheryl purchases a china plate at a thrift store for $0.05. She then sells the plate on

Cheryl purchases a china plate at a thrift store for $0.05. She then sells the plate on
eBay for $5.00. What was her total profit, as a percentage of her cost? Please show your work.

hellospeedmind Oct 6, 2018

0

699

3

Complex numbers

Z is a complex number. Find all solutions for equation z4=|z|.

Guest Oct 6, 2018

0

2085

1

Need Help! PLZ!

In the FreeWheelin' Skate Shop, exactly 1/4 of the skateboards are red and exactly 2/3 of the scooters are red. If there are equal numbers of red skateboards and red scooters in the shop, what fraction of the total skateboards and scooters together are read more ..

Guest Oct 6, 2018

0

695

2

+468

Special Right Triangles

A square sheet of paper has area The front is white and the back is black. When the sheet is folded so that point A rests on the diagonal as shown, the visible black area is equal to the visible white area. How many centimeters is A from read more ..

shreyas1 Oct 6, 2018

0

825

8

If , find the smallest value of , if and are positive integers.

If , find the smallest value of , if and are positive integers.

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Guest Oct 6, 2018

0

973

8

Help!

For how many integer values of between 1 and 1000 inclusive does the decimal representation of terminate?

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Guest Oct 6, 2018

0

702

1

Alg. 2

A. Explain in your own words the value of “i” and the value of i². (short answers please)

B. Copy the problem carefully and show all the steps needed read more ..

Guest Oct 6, 2018

0

700

1

Please help.

If (P_b)*(P_b)=31_b, where P and b represent two distinct digits 0-9 and P is one less than b, what is the value of base b?

So I have ((b-1)_b)^2=31_b

how do I do this?! please explain. :) read more ..

Guest Oct 6, 2018

0

826

1

+166

Maths(Urgent)

The region between the graph of y=f(x) and the x-axis, shaded in this figure, has an area of 10 square units.

a)What read more ..

grif389 Oct 6, 2018

0

1686

1

+166

Math

The function f(x) is invertible, but the function g(x)=f(kx) is not invertible. Find the sum of all possible values of k.

grif389 Oct 6, 2018

+1

796

1

+693

Extranous solutions

i was thinking B?

ElectricPavlov ●

critical Oct 6, 2018

+1

933

1

PLS HELP

A right circular cone and a right circular cylinder each have a radius of 4 and a height of 3. Let A and B be the lateral surface areas of the cone and cylinder, respectively. Find A/B.

Guest Oct 6, 2018

Oct 5, 2018

+1

729

1

+693

Simplify

critical Oct 5, 2018

+1

1026

5

+108

yeeeeet

A company that sells widgets has to pay $500 in maintenance fees each day and then it pays each worker $8 per hour. Each worker makes 5 widgets per hour, which are sold at $3.10 each. What is the least number of workers the company has to hire in order read more ..

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mathbum Oct 5, 2018

0

661

1

please help!!!!

If the field of view measures 0.22 mm across and approximately 8 cells fit across the field, what would be the actual size of one cell? (in mm)

Guest Oct 5, 2018

+1

742

1

+693

domain restrictions

critical Oct 5, 2018

0

1342

1

+8

A feasible region is bounded by the constraints:

A feasible region is bounded by the constraints:
y equal to & < 20 -x
y equal to & > 20 -4x
y equal to & > 5 - 0.25 x read more ..

Trinie101 Oct 5, 2018

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