All Questions

902

Help with this question anyone thanks.

Caroline, Colin & Sarah share some money.
Caroline gets 1/9 of the money.
Colin and Sarah share the rest in the ratio 1:3.
What proportion does Sarah get?

read more ..

ElectricPavlov ●●

newguyy213 Sep 16, 2019

791

+1982

In the expression, 6.24 × 10^3, which number is the exponent?

In the expression, 6.24 × 10^3, which number is the exponent?

A. 3
B. 6 read more ..

ElectricPavlov ●

macabresubwoofer Sep 16, 2019

706

+1982

Rewrite using standard notation: 3.32 × 10^3

Rewrite using standard notation: 3.32 × 10^3

A. 0.00332
B. 0.0332 read more ..

ElectricPavlov ●

macabresubwoofer Sep 16, 2019

990

+1982

In which direction does a negative exponent indicate that the decimal point will be moved?

When converting from scientific notation to standard notation, in which direction does a negative exponent indicate that the decimal point will be moved?

A. right

B. left read more ..

ElectricPavlov ●

macabresubwoofer Sep 16, 2019

455

Help please

Let a, b, c be nonzero real numbers such that a + b + c = 2 and a^2 + b^2 + c^2 = 4. Find

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Guest Sep 16, 2019

-4

817

-9

hey everybody!

hey everybody!
just want to see how everyone is doing

off-topic

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LunaMoon123 Sep 16, 2019

726

+279

College Readiness - Help

Factor completely the trinomial below. Write each factor as a polynomial in descending order.

12x^2 - 32x - 12
read more ..

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CreatorRozen Sep 16, 2019

358

I need help please!

I'm struggling badly with this question :(

I have to find the power series solution to this differential equation (y'' − 2xy' + y = 0)
Knowing that y(0)=0 and y'(0)=1 read more ..

Guest Sep 16, 2019

782

+73

how was your weekend?

Did you guys do anything this weekend?

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kminery19 Sep 16, 2019

418

Help asap

1. Let $f$ be defined byCalculate
2. There are numbers A and B for whichfor every number . Find A-B.

3.The greatest integer function, , denotes the largest integer less than or equal to x. For example, , and . Find read more ..

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Guest Sep 16, 2019

733

Help asap

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Guest Sep 16, 2019

492

log question

a^log_ab=b
Saw it in a textbook (Revision) How does it work ?

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Guest Sep 16, 2019

625

First order differential

These are the steps that i was told to follow however at the end i can only come up with a general solution with unknown read more ..

Rom ●

Guest Sep 16, 2019

614

Help ASAP!!

Hi, I need help with the following questions!

1) Given that , what is ?
2) Simplify . read more ..

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lolselfie4269 Sep 16, 2019

1864

For a triangle XYZ, we use [XYZ] to denote its area.

For a triangle XYZ, we use [XYZ] to denote its area.
Let ABCD be a square with side length 1. Points E and F lie on line BC and line CD, respectively, in such a way that angle EAF=45 degrees If [CEF]=1/9, read more ..

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Guest Sep 16, 2019

Sep 15, 2019

812

+2862

Coin Probability

A person has a coin in which lands with a head showing 30% of the time. Express as a decimal the probability that she gets 2 heads and 1 tail when she tosses the coin 3 times.

So if a coin is flipped 10 times a head is shown 3 times read more ..

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CalculatorUser Sep 15, 2019

2449

+2862

Probability Question check

A bag contains 5 blue marbles, 4 white marbles, and 3 red marbles. If three marbles are randomly selected from the bag, what is the probability that the marbles selected will be of the same color? Express your answer as a common fraction.
In the read more ..

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CalculatorUser Sep 15, 2019

611

Halp asap

Here are two functions: f(x) & = & 3x^2-2x+ 4 and g(x) & = & x^2-kx-6. If f(10) - g(10) = 10, what is the value of k
Thanks in advance

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Guest Sep 15, 2019

716

Please help

Let x,y, and z be real numbers such that x + y + z = 6 and = 2. Find

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Guest Sep 15, 2019

597

French Forum Not Working

Hi all, I know a little bit of French so I thought I could help on the french forum, however it seems that I can't respond to any questions. Does anyone know why that is?

Thanks!

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Guest Sep 15, 2019

1052

Need some help on this one.

For a designer suit, Daniel must specify his waist size in centimeters. If there are 12 inches in a foot and 30.5 centimeters in a foot, then what size should Daniel specify, in centimeters, if his waist size in inches is 34 inches?
read more ..

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Guest Sep 15, 2019

721

+700

help please

Solve the system of equations
10b+5v+5z=55
3b+5v+5z=34
5b+6v+3z=42
I have gotten b=3 but I am stuck and Do not know how to proceed.

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Nirvana Sep 15, 2019

768

+382

Trigonometry

Given the lengths of the sides of a triangle are in the ratio of 3:8:6, what is the degree measure of the largest angle? Please explain.

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hellospeedmind Sep 15, 2019

556

help me please

Find constants and such that for all such that and . Give your answer as the ordered pair .

thank you in advance

ElectricPavlov ●●

Guest Sep 15, 2019

652

question

what is googolplex to the power of graham's number

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Guest Sep 15, 2019

All Questions ⁺⁰230954 Questions

Help with this question anyone thanks.

In the expression, 6.24 × 10^3, which number is the exponent?

Rewrite using standard notation: 3.32 × 10^3

In which direction does a negative exponent indicate that the decimal point will be moved?

Help please

hey everybody!

College Readiness - Help

I need help please!

how was your weekend?

Help asap

Help asap

log question

First order differential

Help ASAP!!

For a triangle XYZ, we use [XYZ] to denote its area.

Coin Probability

Probability Question check

Halp asap

Please help

French Forum Not Working

Need some help on this one.

help please

Trigonometry

help me please

question

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