All Questions ⁺⁰238470 Questions

0

853

1

+155

Eqution of Ellipse

Valeriia222 Oct 28, 2019

0

910

1

+155

Foci of an Ellipse

Valeriia222 Oct 28, 2019

0

1019

1

+155

Endpoint of Axis

Valeriia222 Oct 28, 2019

0

913

1

+155

Standard form of the Ellipse

Valeriia222 Oct 28, 2019

0

880

1

+155

Center of the Ellipse

Valeriia222 Oct 28, 2019

0

892

1

+155

Ellipse Math Equation

help with this please

Valeriia222 Oct 28, 2019

0

2968

1

+1983

Write an algebraic expression: 4 less than the product of 6 and n.

Write an algebraic expression: 4 less than the product of 6 and n.

A. 6n + 4
B. 4n + 6 read more ..

ElectricPavlov ●

macabresubwoofer Oct 28, 2019

0

1041

1

+1983

You bought a prepaid phone card for $50, which was only 1/4 of your monthly need. How much money did you spend on your phone each month?

You bought a prepaid phone card for $50, which was only 1/4 of your monthly need. How much money did you spend on your phone each month?

A. $12.50
B. $25 read more ..

ThatOnePerson ●

macabresubwoofer Oct 28, 2019

0

744

2

Let x, y, and z be real numbers such that x + y + z = 1, and x is greater than or equal to -1/3, y is greater than or equal to -1

Let x, y, and z be real numbers such that x + y + z = 1, and x is greater than or equal to -1/3, y is greater than or equal to -1 and z is greater than or equal to -5/3. Find the maximum value of

Guest Oct 28, 2019

+1

1253

1

+220

help plz

In how many ways can we seat 3 pairs of siblings in a row of 7 chairs, so that nobody sits next to his or her sibling? (One chair will be left empty, of course.)

Oofrence Oct 28, 2019

+1

1202

4

+220

help

There are 100 people at lunch. The fruits available for lunch are blueberries, raspberries, or blackberries.
59 people have blueberries, 27 have raspberries, and 64 have blackberries.
25 people have both blueberries and raspberries; 12 people have read more ..

Oofrence Oct 28, 2019

+2

1117

13

+449

:) Trick Math Riddle!

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

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SVS2652 Oct 28, 2019

0

1

3218

3

+309

Please Help...

You work for a telecommunications company and need to analyze the outcome of a proposed new cell tower project. Cell phone radio towers broadcast a cell phone signal in a circular pattern.
The company currently has cell phone towers in the locations read more ..

oscar.a1551 Oct 28, 2019

+1

1038

4

+10

how do i find a fraction calculator

how do i find a fraction calculator

off-topic

joker Oct 28, 2019

+1

1252

3

+10

plz help me

The ratio of apples to oranges is 1 to . For every apples, there are 6 oranges. For every 4 apples, there are oranges. Apples are % of the total number of fruits.

joker Oct 28, 2019

-4

1074

8

+134

Be A Helpful User Here At Web2.0calc!!!

Make sure that a user is a person looking for genuine help on a problem, Not just ANSWERS. Please dont post the answer, Give them a way/example on how to solve said problem. Then have them try to work it out, If they then cant get it then you can then help read more ..

off-topic

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killersteve27 Oct 28, 2019

0

531

1

help

Find the units digit of 1! + 2! + 3! + ... + 100!.

Guest Oct 28, 2019

0

1418

2

+1983

Write an algebraic expression for the word phrase: 8 more than the product of 6 and n.

Write an algebraic expression for the word phrase: 8 more than the product of 6 and n.

A. 8 + 6 + n

B. 6(8 + n)

C. 8 + 6n read more ..

macabresubwoofer Oct 28, 2019

0

1324

1

+1983

Evaluate: x(y+3)/(3+y)z for x = 6, y = 9, z = 2.

Evaluate: x(y+3)/(3+y)z for x = 6, y = 9, z = 2.

A. 4

B. 5 read more ..

macabresubwoofer Oct 28, 2019

+1

823

1

+10

hard math

The ratio of apples to oranges is 1 to . For every apples, there are 6 oranges. For every 4 apples, there are oranges. Apples are % of the total number of fruits.

joker Oct 28, 2019

0

2151

3

+1983

Evaluate: F=9/5C+32 for C = 30 degrees.

Evaluate: F=9/5C+32 for C = 30 degrees.

A. 14 degrees

B. 86 degrees read more ..

macabresubwoofer Oct 28, 2019

0

493

1

help

What is the area of an isosceles trapezoid with diagonals of length 17, all integer side lengths, and a perimeter of 50?

Guest Oct 28, 2019

-1

1090

1

+71

Addition and subtraction identities

1. secx - sinx = (1 - sinx cosx)/cosx
2. sinx + tanx sinx = (sinx cosx + sin^2 x)/cosx
3. sec^2 x + cotx = (sinx + cos^3 x)/cos^2 x sinx

Mathrules Oct 28, 2019

-1

976

2

+71

Please Please please help

1. Prove:
2. Prove: (secx cscx) / cotx = sec^2 x
3. Prove: (secx cscx )/ csc^2 x = tanx
4. Prove: (tan^2 x cosx)/ 2secx = 1/2 sin^2 x read more ..

Mathrules Oct 28, 2019

0

758

3

help

how many rectnalges?

Guest Oct 28, 2019

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