All Questions ⁺⁰133509 Questions

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99

1

+797

Simplify. (3x2−2x+2)−(x2+5x−5)

Simplify.
(3x2−2x+2)−(x2+5x−5)

AngelRay Jan 11, 2018

-1

106

1

+797

Simplify. (4x−3+2x2)+(2x+1)

Simplify.
(4x−3+2x2)+(2x+1)

read more ..

AngelRay Jan 11, 2018

-1

89

1

+797

What is the degree of the polynomial −6x3y2+5x4−7z?

What is the degree of the polynomial −6x3y2+5x4−7z?

AngelRay Jan 11, 2018

-1

135

1

+797

Which description is correct for the polynomial 3x4+x+7?

Which description is correct for the polynomial 3x4+x+7?

AngelRay Jan 11, 2018

Jan 10, 2018

-1

89

1

Help!

Select ALL of the order pair solutions to 30 = 10x + 6y - 4x

a. (2,1)
b. (3,2) read more ..

Guest Jan 10, 2018

0

195

1

+797

Which expressions are polynomials? Select each correct answer.

Which expressions are polynomials?
Select each correct answer.

AngelRay Jan 10, 2018

+1

110

1

+155

Algebra Word Problems

So I'm in algebra class, and I figured out that I'm really stupid at Algebra but smart at Science. Have no idea how that's possible. But please help with this proportion word problem and this other word problem I can't seem to figure out. read more ..

MrPatel Jan 10, 2018

-1

91

1

+2206

Help.

NotSoSmart Jan 10, 2018

-1

112

1

+2206

Help.

NotSoSmart Jan 10, 2018

0

126

3

+925

Hey! Really sorry, but just in case this has slid to the bottom and nobody sees it, I kindof need some urgent help with this:

Hey! Really sorry, but just in case this has slid to the bottom and nobody sees it, I kindof need some urgent help with this:

https://web2.0calc.com/questions/part-a-find-the-sum
read more ..

AnonymousConfusedGuy Jan 10, 2018

-1

140

2

+106

hope your have a good day

hope you having a good day if not stay strong and determined you can do anything you set your mind to

off-topic

foxy02 Jan 10, 2018

0

108

1

James threw a ball from the roof of a building.

James threw a ball from the roof of a building. The ball fell 3 feet in the first second, 9 feet in next second, and 27 feet in the third second. Which expression represents the distance the ball fell at the nth second?
A 3n
B read more ..

Guest Jan 10, 2018

0

129

3

PLEASE HELP!

The final mathematics exam at a certain school contains questions of equal difficulty, and is matched to the students' past performance in mathematics. Four students who take the exam have averages of 25%, 50%, 60% and 80%. What is the probability that read more ..

Guest Jan 10, 2018

0

179

3

Please Help

The circle with center O is inscribed in kite ABCD. AB is 24 cm and BC is 18 cm. D is 90 degrees.
Find the length of the radius if the circle, in cm.

hectictar ●●●

Guest Jan 10, 2018

0

97

1

Please Help!

If the height of an equilateral triangle is also a root of the equation y^4-3y^2-270,
then the area of the triangle, in cm^2, is

Guest Jan 10, 2018

+1

119

1

+68

Elimination System of Equations Challenge Problem

It's a story problem so be courteous:

A zookeeper needs to mix a solution for baby penguins so it has the right amount of medicine. Solution A has 20% medicine. Solution B has 4% medicine. How many ounces of each solution are needed read more ..

ElectricPavlov ●

OwenT154 Jan 10, 2018

0

114

1

+800

Log function?

Which of the following is NOT true of the graph of f(x)=logx?

1) As the value of x increases, the slope of the tangent line will become less steep.
2) The graph has a vertical asymptote read more ..

ElectricPavlov ●

Julius Jan 10, 2018

0

120

3

+800

Rate of Change?

The population of a town is increasing at a rate of 1.4% annually. The current population of the town is 2 000. Calculate the average rate of change over the next 10 years.

a) 31.95 people/year
b) 2 298 people/year read more ..

hectictar ●●●

Julius Jan 10, 2018

0

104

2

+46

Binomial Theorem

If n Cr, denotes the coefficient of xr in the expansion of (1 + x) n, prove that:
n Cr + 2(n Cr+1) + n Cr+2 = n+2 Cr+2

OldTimer Jan 10, 2018

0

107

1

+12

Help! Please

The terminal side of θ passes through the point (−3,7).
What is the exact value of sinθ in simplified form?

mathretarted Jan 10, 2018

0

245

1

+12

I need help Algebra 2

A circle has a radius of 63 centimeters.
What is the arc length intercepted by a central angle that measures 2π/9 radians?
Express the answer in terms of π .

mathretarted Jan 10, 2018

0

178

3

help please

MathWizard likes to play a fun number trick on her friends. She tells them to think of a number. She then tells them to subtract their number from 2 and multiply the result by 5. To this product she tells them to add half the difference when 24 is subtracted read more ..

hectictar ●●●

Guest Jan 10, 2018

Jan 9, 2018

+1

98

1

+434

help plz im having some good old trouble with this one.

Ellen baked 2 dozen cupcakes of which half contained chocolate, two-thirds contained raisins, one-fourth contained chocolate chips, and one-sixth contained nuts. What is the largest possible number of cupcakes that had none of these ingredients? read more ..

SmartMathMan Jan 9, 2018

+1

103

1

Quick question i need help on! PLEASE HELP MEEEEE!

TheXSquaredFactor ●

Guest Jan 9, 2018

5 Online Users