All Questions +0 138034 Questions

Arturo and Lauren want to split a bag of fun-sized candy, and decide to use the divider-chooser method. The bag contains 100 Snickers, 100 Milky Ways, and 100 Reese's, which Arturo values at $4, $5, and $3 respectively. (This means Arturo values the 100 read more ..

Guest 3 hours ago

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131

Garrett and Crystal want to split a bag of candy, and decide to use the divider-chooser method. The bag contains 100 Snickers, 100 Milky Ways, and 100 Reese's, which Garrett values at $1, $4, and $2 respectively.
If Garrett is the divider, find a possible read more ..

Guest 6 hours ago

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math 131

Salvador and Jane want to split a bag of fun-sized candy, and decide to use the divider-chooser method. The bag contains 100 Snickers, 100 Milky Ways, and 100 Reese's, which Salvador values at $1, $4, and $5 respectively. (This means Salvador values the read more ..

Guest 7 hours ago

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9

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131

Jose and Michelle buy a pizza for $18 that is half pepperoni and half veggie. They cut the pizza into 8 slices.
If Jose likes veggie three times as much as pepperoni, what is the value of a slice that is half pepperoni, half veggie?

Guest 7 hours ago

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math 131

Guest 7 hours ago

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posted the wrong question please help! TIA :)

3x+2y= -1
x−2y=5

Solve the system
3x+2y=−13x+2y=−1
x−2y=5 read more ..

Guest 8 hours ago

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8

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help please!

The admission fee at an amusement park is 1.5 dollars for children and 4 dollars for adults. On a certain day, 281 people entered the park, and the admission fees collected totaled 734 dollars. How many children and how many adults were admitted?
read more ..

Guest 9 hours ago

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URGENT HELP!

The sum of two numbers is 16 and their product is 35. Find the reciprocal of the sum of the two numbers.

Guest 9 hours ago

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+604

helppp

Tom decided to join Platinum Gym because of its new equipment. At the grand opening, the manager announced that 124 people had signed up for gym membership. As part of the grand opening event, the manager waived the registration fee for 50 read more ..

mathtoo 10 hours ago

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13

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maths

For A) i think i got (x≤-2 is taht right?)

it but for B I don't understand it.....
read more ..

hoiuu 10 hours ago

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10

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+52

For A) i think i got (x≤-2 is taht right?)

i need Help with this pls!

https://snag.gy/i5ANr3.jpg read more ..

hoiuu 10 hours ago

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+52

i need Help with this pls!

The amount to which $100 will grow in t years with an interest rate (r) compounded annually is given by the polynomial function A:

A(r) = $100(1 + r)t
read more ..

hoiuu 10 hours ago

+1

11

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+945

The amount to which $100 will grow in t years with an interest rate... Help!

find all groups of three regular polygons with side length one that can surround one point such that each polygon shares a side with the other two.

GAMEMASTERX40 11 hours ago

+1

11

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+623

Help

GYanggg ●●

supermanaccz 11 hours ago

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15

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+190

Help

Triangle ABC has AC=BC and

I need help with this and pls explain!!

https://snag.gy/9vCuOc.jpg read more ..

Rollingblade 11 hours ago

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15

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+52

I need help with this and pls explain!!

Thank you for your help. read more ..

hoiuu 11 hours ago

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14

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Alg. 2

Guest 11 hours ago

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11

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Function analysis help!! Please

Please help! I've been stuck read more ..

Guest Sep 20, 2018 8:37:50 PM

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Confused!

Guest Sep 20, 2018 8:17:49 PM

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13

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Using a scientific calculator or graphing calculator find the inverse tangent of the ratio 3/1

Find the set of possible values of k for each equation with the roots described.
1) x^2 - kx + k = 0 has two distinct real roots
2) 2x^2 + kx + k = 0 has no real roots
3) x^2 + (k+4) x+(4K+1) = 0 has real roots read more ..

Guest Sep 20, 2018 7:52:31 PM

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Find the set of possible values of k for each equation with the roots described.

i need help with all of these ( and pls explain)

https://snag.gy/5tGAlM.jpg

Guest Sep 20, 2018 6:51:38 PM

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+52

i need help with all of these ( and pls explain)

hoiuu Sep 20, 2018 6:10:41 PM

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Who all remembers midway? and when he started a little war on here and was flagging every off-topic post?

off-topic

Synth Sep 20, 2018 4:26:13 PM

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+2995

Help

RainbowPanda ●●●●

NotSoSmart Sep 20, 2018 3:13:20 PM

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+2995

Help

A train slows from a speed of 40 m/sec to a speed of 30 m/sec in 1500 m. What is its acceleration?
I tried to solve this but I can't get the right formula >.<

NotSoSmart Sep 20, 2018 3:11:40 PM

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18

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+1770

Need help asap!! Plz and ty!

Can you help me with this problem?

I can finish a job 2 hours longer than you. After I had been working for 1 hour, you joined me and we completed the remaining portion of the job after 3 hours.
read more ..

RainbowPanda Sep 20, 2018 3:10:26 PM

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32

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Working hours problem

Rom ●

Guest Sep 20, 2018

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24

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Sequence.

What are the next 3 terms of this sequence: 1, 2, 3, 8, 15, 48, 105, 384, 945, 3 840.....etc. Thank you very much for help.

heureka ●

Guest Sep 20, 2018

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28

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Math Help

Suppose that Newton's method is used to locate a root of the equation f (x) = 0 with initial approximation x1 = 7. If the second approximation is found to be x2 = −8, and the tangent line to f (x) at x = read more ..

heureka ●●

Guest Sep 20, 2018

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what are all the answers of 25 and 140?????

During my trip to work, I spent of the time driving on the highway, during which I covered of the distance. My average speed on the highway was 60 miles per hour. What are the possible values of my average speed, in miles per hour, read more ..

Guest Sep 19, 2018

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19

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+57

Help and please explain why! Thanks!

CPhill ●●

HelpPLZ Sep 19, 2018

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I'm confused!

In physics, Ohm's law says that current through a wire, , is directly proportional to voltage, , and inversely proportional to resistance, :

It's also true that resistance is directly proportional to the length of the read more ..

A plane flies from Alphaville to Betaville and then back to Alphaville. When there is no wind, the round trip takes 4 hours and 48 minutes, but when there is a wind blowing from Alphaville to Betaville at 100 miles per hour, the trip takes 5 hours. How read more ..

HelpPLZ Sep 19, 2018

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+57

Help?

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HelpPLZ Sep 19, 2018

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25

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The janitor at a school discovered a leak in a pipe. The janitor found that it was leaking at a rate of

The janitor at a school discovered a leak in a pipe. The janitor found that it was leaking at a rate of
3
fl oz per
minuteminute. read more ..

Guest Sep 19, 2018

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Prove that if w, z are complex numbers such that |w| = |z| = 1 and , then is a real number.

By what percent must 10 be increased to 25?

Is it 25% or 125%?

Guest Sep 19, 2018

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A 3 second percent question

I tried studying up on the topic but its really hard for me to understand. Can someone help me solve this problem and explain it to me? Math is not my strong suit, and i'm failing.

Solve the inequality. Show your work.
-5/2(3x+4)<6-3x. read more ..

Guest Sep 19, 2018

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I Really Need Some Help With This math Inequality Practice Question

Last 2

Edit: I solved the first one, it's x^2-9x-9 R=0/7x+8

Guest Sep 19, 2018

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26

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+1770

Synthetic division

Why do questions get lock after a while? How many days do you have before it gets locked?

- Off topic (I can’t find the button to click it)

RainbowPanda Sep 19, 2018

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Site Questions

At a bargain store, Tanya bought 4 items that each cost the same amount. Tony bought 5 items that each cost the same amount, but each was $1.25 less than the items that Tanya bought. Both Tanya and Tony paid the same amount of money. What was the read more ..

Guest Sep 19, 2018

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Pls explain how to do these...

tertre ●

hoiuu Sep 19, 2018

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Check my work?

Solve each given equation and show your work. Tell whether it has one solution, an infinite number of solutions, or no solutions.
read more ..

Another one >.<
would it be 5/8 for 8x-5

hoiuu Sep 19, 2018

+1

30

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+1770

Synthetic division

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RainbowPanda Sep 19, 2018

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Determine the set of all complex numbers Z for which Z, 1/Z, 1-Z have the same modules.

Can anyone provide steps to solve these equations?

a) 4sinx = cosx (x ranges from -180 to 180), solve with degree
b) sin2x = cos(0.5pi - x) (x ranges from 0 to 2pi), solve with radians <read more ..

Guest Sep 19, 2018

+1

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+122

Some trigonometry equations

I dont understand hou to do this.... help

https://snag.gy/pgMu6y.jpg read more ..

Mormert Sep 19, 2018

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25

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+52

I dont understand hou to do this.... help

tertre ●●●

hoiuu Sep 19, 2018

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26

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+1770

Synthetic division

Another one of these

https://snag.gy/lOd3Cw.jpg

RainbowPanda Sep 19, 2018

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+52

MATHS HELP PLS!

Can anyone provide steps that show that

cos2x / (cosx - sinx) = cosx + sinx
read more ..

hoiuu Sep 19, 2018

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17

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Show that cos2x / (cosx - sinx) = cosx + sinx

soo i'm having trouble interpreting this question:

"Melissa is four times as old as Dan. Twenty years from now, Melissa will be twice as old as Dan then. What is Melissa's present age?"
read more ..

Guest Sep 19, 2018

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18

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Help tricky age problem

ElectricPavlov ●●●

Guest Sep 19, 2018

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5

+1770

Please help, ty!

I dont understand this >.<
EDIT: Synthetic division only

Two numbers are in the ratio 5 to 8. When 2 is added to each, the ratio of the resulting numbers is 2 to 3. Find the numbers.

RainbowPanda Sep 19, 2018

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Can somebody help with this problem?

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Guest Sep 19, 2018

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Help geometry

The angle measures of three angles of a quadrilateral are given. Find the measure of the fourth angle of the quadrilateral.

(a) 70°, 90°, 115°
° read more ..

Two cars start at the same time from two towns 792 kilometers apart and meet in 9 hours. One car can travel 8 km faster than the other car. How far did each car travel before they meet?

Guest Sep 19, 2018

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Help with problem with car distance

ElectricPavlov ●●●

Guest Sep 19, 2018

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Please help write whole explanation

While staying in a 15-story hotel, Polya plays the following game. She enters an elevator on the floor. She flips a fair coin five times to determine her next five stops. Each time she flips heads, she goes up one floor. Each time she flips tails, read more ..

If the two lines are parallel, m∠5 = ⅓, find x, x² - 1 and if m∠3 = x² - 8/3, find x, m∠4 and m∠6.

Answer below in the comments if you want!

Guest Sep 19, 2018

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Geometry Problem

If ∠8 ≅ ∠1, m∠5 = ⅓x² + ⅔x - ⅔, and ∠4 is ⅓ of a right angle, find x and m∠1.

Answer below in the comments if you want!

FreezingTNT Sep 19, 2018

+1

19

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+45

Geometry Problem

THE POINT (1,4) IS ON THE GRAPH Y=F(X)
DETERMINE THE COORDINATES OF THE IMAGE OF THIS POINT ON THE GRAPH OF
Y = 3f[-4(x=1)] - 1
read more ..

FreezingTNT Sep 19, 2018

0

25

1

+4

PLEASE REPLY FAST

I need help understanding the heck im suposed to be doing

IneedMathHelpPlz Sep 19, 2018

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+57

Molecular geometry

If a line meets two parallel lines and is perpendicular to one of them, prove that it is perpendicular to the other.

Answer below in the comments if you want!

SarahBlu13 Sep 19, 2018

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17

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Geometry Proof

<read more ..

Two line segments, AB and CD, bisect one another at point 0. Prove that the lines AC and BD are parallel.

FreezingTNT Sep 19, 2018

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Geometry Proof

All of the members of our spray-painting team paint at the same speed. If 12 team members can paint a 2400 square foot wall in 45 minutes, then how many minutes would it take for 9 team members to paint a 3600 square foot wall?

FreezingTNT Sep 19, 2018

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21

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+57

Help please!!!

All of the members of our spray-painting team paint at the same speed. If 8 team members can paint a 5000 square foot wall in 30 minutes, then how many minutes would it take the 8 members to paint an 8000 square foot wall?

HelpPLZ Sep 19, 2018

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22

3

+57

Need help with this one

Each gallon of paint covers 400 square feet. I have to paint one side of a wall that is 8 meters tall and 40 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 ..

HelpPLZ Sep 18, 2018

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+57

Help!

All of the members of our spray-painting team paint at the same speed. If 5 team members can paint a certain wall in 27 minutes, then how many minutes would it take 15 of our team members to paint the same wall?

Thanks and if possible read more ..

HelpPLZ Sep 18, 2018

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20

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Help?

I drove to my parents' house at 60 miles per hour. If I had driven 50 miles an hour instead, then I would have gotten there 40 minutes later. How many miles did I drive?

Thank you!

HelpPLZ Sep 18, 2018

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22

4

+57

Help?? I don't get this?

23 people attend a party. Each person shakes hands with AT LEAST TWO other people. What is the MINIMUM possible number of handshakes?
Can someone please explain the solution?
Also the answer is NOT 12

HelpPLZ Sep 18, 2018

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23

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Probability Problem

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Guest Sep 18, 2018

+1

18

1

how do i divide a whole number by a fraction

ElectricPavlov ●

Guest Sep 18, 2018

+1

23

3

+47

Basic Question

Is 0 a multiple of all positive integers?

_____
9v-8 | 18v^5-70v^4+48v^3+63v-61
-18v^5- read more ..

mathbum Sep 18, 2018

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19

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+1770

Last ones

Please help asap reg polynomial div

RainbowPanda Sep 18, 2018

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23

2

+1770

2 more

This is regular polynomial division I believe

RainbowPanda Sep 18, 2018

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18

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+1770

Two questions

I know how to set it up but still having a hard time actually solving these types of problems.

RainbowPanda Sep 18, 2018

+1

17

4

+1770

Synthetic division

RainbowPanda Sep 18, 2018

0

25

5

+1770

2 problems please help asap

Synthetic division..?

RainbowPanda Sep 18, 2018

+3

29

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+369

Vectors

Please help. Thank you!

Math Help>-<

simplify the expression

RainbowPanda ●

BabyChimChim Sep 18, 2018

+1

16

1

+63

Help >.<

simplify the expression

Express $\frac 1{1+\frac 1{1-\frac 1{1+i}}}$ in the form $a+bi$, where $a$ and $b$ are real numbers.

In case you have trouble reading that, here's a simpler version:
1/(1+1/(1-1/(1+i))). read more ..

BabyChimChim Sep 18, 2018

0

15

1

Express in the form , where and are real numbers. In case you have trouble reading that, here's the same expression

What is the value of g

-5+7g=3g+9
read more ..

Guest Sep 18, 2018

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19

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+52

What is the value of g

Susan makes 5 fruit cups for the picnic. In each cup, she has 5 strawberries and 3 kiwi. Joanna uses the same number of total fruits to make her stawberry and kiwi fruit cups, but she makes 4 cups. In each cup, she uses 8 strawberries.
How many read more ..

hoiuu Sep 18, 2018

+1

23

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+52

check my answer pls

1.When solving a quadratic by completing the square, how do you keep the equation balanced?
2. Given the equation 5x^2+10x+20=0 why do you divide all terms by five before completing the square?

hoiuu Sep 18, 2018

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16

1

Help

ElectricPavlov ●

Guest Sep 18, 2018

0

19

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Help

A student was asked to find the square of 6x+4. The student quickly wrote (6x+4)^2= 36x^2+16. What error did the student make?

Synthetic div help needed

And for this one am i correct ? read more ..

Guest Sep 18, 2018

0

24

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+55

Synthetic div help needed

Consider the equation x^2+8x+-4=0.
Without solving the quadratic explain how you know if the equation has real or imaginary solutions.

critical Sep 18, 2018

0

14

1

Help Please

Rom ●

Guest Sep 18, 2018

0

22

2

+1770

repost

Please help i thought I had it but I don't >.<

Rearrange the answer choices in the right order to complete the proof

RainbowPanda Sep 18, 2018

0

16

0

Need Some Help Please

Guest Sep 18, 2018

0

16

5

+1770

Please help asap

Please help asap
I set it up already I am just having a hard time solving this still

ElectricPavlov ●●●●●

RainbowPanda Sep 18, 2018

0

20

7

+1770

Help please >.<

Idk what im doing wrong >.< Am I doing it the wrong way? Should it be 4 | 1 8 22 27 20 41
read more ..

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RainbowPanda Sep 18, 2018

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19

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+13

Is there a name for these primes?

I thought up of a sequence of 6 primes which are the following:
2, 3, 5, 7, 37, and 73.
These 6 primes are the primes where you can combine their digits in any way, including by removing digits (but not including removing all of the digits), read more ..

Can anyone help with quantum physics ?

creepercraft97T3 Sep 18, 2018

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24

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+57

Hellppp

Find the width of a rectangle with a length of 24 inches and an area of 192 square inches.
_____ in

SarahBlu13 Sep 18, 2018

0

13

1

Find the width of a rectangle with a length

You want to make a skirt to go around the bottom of a round chair with a radius of 2 feet. What is the minimum length of fabric needed for the skirt to wrap the entire way around the chair? (Round your answer to two decimal places.)
____ft read more ..

Guest Sep 18, 2018

0

13

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Geometry question

Guest Sep 18, 2018

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2

Finished Thanks!

Finished and Deleted

A 540-g squirrel with a surface area of 900 cm2 falls from a 5.6-m tree to the ground. Estimate its terminal velocity. (Use the drag coefficient for a horizontal skydiver. Assume that the cross-sectional area of the squirrel can read more ..

Guest Sep 18, 2018

0

33

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Could use some help with this one pls!!!

Use a formula to find the surface area of each polyhedron described.
(a) a rectangular prism that is 4 feet wide, as tall as it is wide, and twice as long as it is tall
_____ ft2
(b) a regular hexagonal pyramid with read more ..

Guest Sep 18, 2018

0

20

1

Use a formula to find the surface area of each polyhedron described.

The base of a triangular prism has an area of 36 square feet. The height of the prism is 2.5 feet. Find the volume of the prism.
_____ ft3

Guest Sep 18, 2018

0

14

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Find the volume of the prism. _____ ft3

You are painting a room that is 14 feet long, 10 feet wide, and 8 feet high. On the walls of the room, there are two windows that are each 2 feet wide and 5 feet tall, and a door that is 4 feet wide and 7 feet read more ..

Guest Sep 18, 2018

0

21

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You are painting a room that is 14 feet long, 10 feet wide, and 8 feet high.

Suppose C(-4,5) is the midpoint of Line AB and the coordinates of A are (2,17). Find the coordinates of B.

Thanks!

Guest Sep 18, 2018

0

21

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+438

Please help quick with this simple problem

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Mr.Owl Sep 18, 2018

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Further Applications of Right Triangles

Good evening!
I know I asked a question concerning this subject earlier, and I did understand the process used to solve it, however, I have a question of a somewhat similar type and the answer I have selected was incorrect. Any help on the read more ..

Given two Quadratic Function y_1, and y_2. When x=a (a>0), y_1 reaches its maximum value of 5, and y_2=25; y_2's minimum value is -2. If y_1+y_2=x^2+16x+13. please determine the value of a, and y_1 y_2 expression.

Guest Sep 18, 2018

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+183

Quadratic Functions pt. 2

yasbib555 Sep 18, 2018

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+183

Quadratic Functions Question

Given the Quadratic Function f(x)=ax^2+bx+c meets the following conditions f(0)=2; f(1)=-1; its graph intersects the x-axis and cut the segment with a length of 2 sqrt(2), please determine the expression of the Quadratic Function.
read more ..