Thursday

October 27, 2016
Total # Posts: 1,613

**Math Problems**

1. A costume designer made 10 costumes that each used 5.8 yards of fabric. If she had 238.2 yards of fabric to start with, about how much fabric does the costume designer have left? Write an equation and estimate the amount of fabric left. 2. A costume went to a garden shop ...

*December 7, 2015*

**Math**

Hi y’all, me again. Can you help me on this? I got some answers, and I hope they are all right. Please let me know! Thanks! :) 1.2(y + 1) for y = 2 A. 6 B. 5 C. 7 D. 8 Is it “A”? 2. The cost in dollars of a school banquet is 74 + 12n, where n is the number of ...

*December 7, 2015*

**math**

At most, how many two fifths 2 5-inch-long pieces of string can you cut from a four fifths 4 5-inch-long piece of string?

*December 6, 2015*

**Math**

Thanks Reiny! You were a great help! :)

*December 4, 2015*

**Math**

Hi, so I was wondering if y'all could help me? That would be really awesome. Thanks! 1. x/-10 > 6 A. x > 60 B. x > -60 C. x < -60 D. x < -4 Is it C? 2. 5z (underlined >) -75 A. z (underlined <) -15 B. z (underlined <) 15 C. z (underlined >) -15 D...

*December 4, 2015*

**Reading**

Hi! I can help you. So, why did your reading selection grabbed your attention? Did it have an important lesson during what you were reading? I hope this helps! :)

*December 4, 2015*

**Math**

Okay, anyone else?

*December 4, 2015*

**Math**

Yep, I think I got the same answer as well. So, it's the third one again?

*December 4, 2015*

**Math**

Exactly!

*December 4, 2015*

**Math**

Oh yeah, sorry. Underlined < means less than or equal to and underlined > means greater than or equal to. I couldn't underline < and >.

*December 4, 2015*

**Math**

So it's x < -60? Okay! ;)

*December 4, 2015*

**Math**

Oh, the - sign is indicating the answers. It's not within the answer.

*December 4, 2015*

**Math**

Okay. But those were the answers that the test gave me. :/

*December 4, 2015*

**Math **

Hi, so I was wonder if y'all could help me? That would be really awesome. Thanks! 1. x/-10 > 6 - x > 60 - x > -60 - x < -60 - x < -4 2. 5z (underlined >) -75 - z (underlined <) -15 - z (underlined <) 15 - z (underlined >) -15 - z (underlined >...

*December 4, 2015*

**Easy math question**

Awesome! Thanks!! :)

*December 3, 2015*

**Easy math question**

Find the inverse of the one-to-one function. f(x)= (2x+5)/7

*December 3, 2015*

**Precalc**

1) log n + log 5 = 3 2) log y = 1/3 [log40 - log5] + 2/3 log27 + log11

*November 30, 2015*

**History...Please Help**

okay, thank you.

*November 20, 2015*

**History...Please Help**

PHOENIX, Sept. 20, 2012- Arizona's new immigration law takes effect this week. According to the law, police officers must check the status of anyone who may be an undocumented immigrant. Officers have the right to decide who is checked under this law. A lawyer challenging ...

*November 20, 2015*

**earth sceince **

Which of the following is a true of passive continental margins A. They generally have a deep trench B. They have a continental rise C. Crust is destroyed at their boundary D. They always have a subduction zone

*November 12, 2015*

**Pre-Calculus**

Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle of α = 42° ...

*November 8, 2015*

**math**

On a recent day, 8 euros were worth $9 and 24 euros were worth 24 euros were worth $27. Write an equation of the form y=(k)x to show the relationship between the number of euros and the value in dollars. Where y is dollars and x is euros. I got y=.89x am I right?

*November 2, 2015*

**math**

On a recent day, 8 euros were worth $9 and 24 euros were worth 24 euros were worth $27. Write an equation of the form y=(k)x to show the relationship between the number of euros and the value in dollars. Where y is dollars and x is euros

*November 2, 2015*

**Reasoning**

John walks 7 blocks west and then 13 blocks north, then makes a right and walks 7 blocks east and makes another right and walks 15 blocks south. How far is John from his previous location? (13-7)(15-7) 6-8=2 I just don't know if it's 2 blocks south or north

*October 29, 2015*

**5th grade math**

The cost of 5 similar digital cameras and 3 similar video cameras is $3213, Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he pay?

*October 26, 2015*

**Biology **

In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of offspring that will be tall if a heterozygous plant (Tt) is crossed with a homozygous tall plant? A. 100% B. 75% C. 50% D. 25% i think its A because ...

*October 25, 2015*

**Math**

I believe it's 208. I did the math by myself and I'm only 11

*October 21, 2015*

**AMERICAN GOVERNMENT**

In a situation like this, why might state employment levels go up, even when federal activity might be going down? Provide at least one (1) reason with support.

*October 16, 2015*

**Math geometry **

Given AB intersects BD <EFG and <CBD are complementary prove <EFG complements <ABC

*October 13, 2015*

**algebra**

If x2 = 20, what is the value of x? ±square root of 10 ±square root of 20 ±10 ±40

*October 7, 2015*

**algebra**

Those are the only multiple choices

*October 7, 2015*

**algebra**

If (92)p = 98, what is the value of p? 2 3 4 6

*October 7, 2015*

**Algebra**

how do u find it

*October 7, 2015*

**math**

writing expressions mandy collected from 28 subscribers on Monday and from a subscriber on Tuesday

*October 6, 2015*

**math**

The unit rate is not valuable?

*October 6, 2015*

**math**

so now i got all the factors now what are factor strings

*October 5, 2015*

**math**

um.. well for the factors i got 5x168 and i still don't know what factor strings are

*October 5, 2015*

**math**

please answer

*October 5, 2015*

**math**

name all of the factor and factor strings of 840

*October 5, 2015*

**Math**

1.Suppose you have socks loose in a drawer. You have a black sock, a gray sock and a tan sock. How many outcomes are there for selecting 2 socks? a.Make a tree diagram to model the selection of 2 socks WITHOUT REPLACEMENT. (That is, you keep the sock out of the drawer and ...

*October 1, 2015*

**Math**

That's the answer I got as well. College Math (A.S. Early Childhood Education)

*September 19, 2015*

**math ( having difficulty)**

Superior has provided the following information for its recent year of operation: The common stock account balance at the beginning of the year was $18,000 and the year-end balance was $19,000. The additional paid-in capital account balance increased $4,300 during the year. ...

*September 12, 2015*

**math (please help)**

A company's retained earnings increased $375,000 last year and its assets increased $973,000. The company declared a $79,000 cash dividend during the year. What was last year's net income?

*September 12, 2015*

**algebra**

A rich merchant had collected many gold coins. He did not want anybody to know about them. One day, his wife asked, "How many gold coins do you have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 25 times the ...

*September 9, 2015*

**algebra**

Of the 30 officers on traffic duty, 15% didn't work on Friday. How many officers worked on Friday?

*September 9, 2015*

**algebra**

. A rich merchant had collected many gold coins. He did not want anybody to know about them. One day, his wife asked, "How many gold coins do you have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 25 times the ...

*September 9, 2015*

**algebra**

x/45+(250-x)/120=3

*September 9, 2015*

**algebra**

An executive drove from home at an average speed of 45 mph to an airport where a helicopter was waiting. The executive boarded the helicopter and flew to the corporate offices at an average speed of 120 mph. The entire distance was 250 miles; the entire trip took three hours. ...

*September 9, 2015*

**math**

Y less than 18 times 6

*August 30, 2015*

**Statistics**

5. For the data presented below, answer the questions that follow. Score on political Score on current Individual awareness test events test 1 24 23 2 16 12 3 11 11 4 9 6 5 8 13 6 14 11 7 17 16 8 19 16 9 21 21 10 25 25 11 18 11 12 13 13 13 11 14 14 6 10 15 9 10 16 12 7 a. ...

*August 1, 2015*

**Statistics**

4. The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: (a) draw a rough sketch, darkening in the ...

*August 1, 2015*

**writing skills **

I am confused on how work citation is to be done.My essays keep getting return.I just need an example of how to do it.

*July 28, 2015*

**geometry**

In the accompanying diagram, triangle ABCis similar to triangle DEF, AC = 6, AB = BC = 12, and DF = 8. Find the perimeter of triangle DEF. it an isoslese triangle 6 and 8 are both base my work 6+2=8 12+2...

*July 16, 2015*

**math (algebra)**

In Professor Tuffguy's mathematics class, 36 students took the final exam. If the average passing grade was 78, the average failing grade was 60, and the class average was 71, how many of these 36 student passed the final?

*July 8, 2015*

**math (algebra)**

x^32-1=(x^16+1)(x^8+1)(x^4+1)(x^2+1)(X+1)(?) Find ? .. How do I do this?

*July 8, 2015*

**math (algebra)**

In a certain circle, the length of a radius is equal to the reciprocal of the length of a diameter. What is the area of this circle?

*July 8, 2015*

**math (algebra)**

How many different numbers stisfy the equation (x-2)^2(x-1)^3(x+1)^4(x+2)^5 = 0 I really need help. Thanks!

*July 8, 2015*

**Peninsula college **

Wendy is traveling 120 miles away from chasity. They are traveling towards each other. If chasity travels 4 mph faster than Wendy and they meet after 4 hours, how fast was each traveling?

*July 7, 2015*

**Algebra**

You and 3 of your friends went to a zoo with a coupon for $10 off the total price of your tickets. If you paid a total of $17 for 4 tickets, how much would you (individually) have paid without the coupon?

*July 1, 2015*

**Math - Statistics**

The proportion of red M&M's made is 0.24. Suppose one took a random sample of 51 M&M's. (a) What is the probability that an SRS of 51 M&M's has as its proportion of red M&M's 0.23 or below? (b) Find the 80th percentile for sample proportions of red M&M's in...

*June 25, 2015*

**Algebra II**

The sides of a triangle are in the ratio 5:12:13. Describe the length of the shortest side if the perimeter is not more than 120 inches.

*June 21, 2015*

**math help please**

Sue Stitch buys a sewing machine. The price, including tax, is $575.00. She finances the sewing machine over 24 months after making a $25 down payment. The true annual interest rate is 15%. What are Sue's monthly payments (principal plus interest)?

*June 17, 2015*

**chemistry**

Ksp fo CaSO4 is 6.1*10?-5. how many grams of CaCl2 must be added to 500ml of 0.010M H2SO4 to just start preciptation of CaSO4? I cant figure this out at all.

*June 16, 2015*

**Chemistry**

Thanks! I got it now

*June 16, 2015*

**Chemistry**

Equilibrium constants at 25 ∘C are Substance Kc Value of Kc CaCO3 Ksp 4.5×10−9 H2CO3 Ka1 4.3×10−7 Ka2 5.6×10−11 What is the molar solubility of marble (i.e., [Ca2+] in a saturated solution) in acid rainwater, for which pH=4.20?

*June 16, 2015*

**Chemistry**

I still cant figure this out.

*June 16, 2015*

**Chemistry**

I have the molecular formula C4H4O4. and I know that there is 2 ionisable H ions but I don't know where to go from there.

*June 16, 2015*

**Chemistry**

Item 1 Maleic acid is a carbon-hydrogen-oxygen compound used in dyeing and finishing fabrics and as a preservative of oils and fats. •In a combustion analysis, a 1.054-g sample of maleic acid yields 1.599 g of CO2 and 0.327 g of H2O. •When 0.609 g of maleic acid is ...

*June 16, 2015*

**Chemistry**

What is the pH change of a 0.220M solution of citric acid (pKa=4.77) if citrate is added to a concentration of 0.155M with no change in volume?

*June 16, 2015*

**Math**

I do not understand

*June 6, 2015*

**physics**

Two metallic spheres, each with a mass of 0.46 g are suspended as pendulums by light strings from a common point. They are given the same electric charge, and the two come to equilibrium when each string is at an angle of 5.2° with the vertical. If the string is 21.0 cm ...

*May 18, 2015*

**ART**

Thank you!

*May 7, 2015*

**ART**

HEllo i need help on mixing colors because at school i don't have enough of the needed colors. So plz tell me how to mix and get : Orange Green Yellow BROWN! (For the big tree im drawing) And purple thank you and answer ASAP plz!

*May 7, 2015*

**College Chemistry**

Thank you so much

*May 6, 2015*

**College Chemistry **

Calculate the unknown of Ag+ if the potential of the following concentration cell is 300 mV at 25.0 C. Ag|Ag+(unknown)||Ag+(0.100M)|Ag I think I have to use Nernst Equation of Ecell=E0-.0592/nlogQ And at 25C is at 298K so i don't have to change anything. I am not sure if i...

*May 6, 2015*

**Math**

Is 2^9 * 3^12 * 5^6 * 7^3 a perfect cube? How do you know by just looking at it?

*April 29, 2015*

**Social Studies**

How would the Philippine government respond to an insurgency? A. the government would try to work with their members. B. the government would want to support it. C. the government would ignore it. D. the government would fight it fiercely. D?

*April 21, 2015*

**Algebra**

kyle drops a ball from a height of 15 feet above the ground. The function h = -16 f2 +15 gives the height h of the ball (in feet) after t seconds. Graph the function to determine at about what time the ball hits the ground

*April 21, 2015*

**chemisty**

A cylinder with a moving piston expands from an initial volume of 0.350L against an external pressure of 2.70atm . The expansion does 251J of work on the surroundings. What is the final volume of the cylinder?

*April 20, 2015*

**MicroEconomics**

A firm currently uses 50,000 workers to produce 120,000 units of output per day. The daily wage per worker is $100, and the price of the firm's output is $48. The cost of other variable inputs is $400,000 per day. (Note: Assume that output is constant at the level of 120,...

*April 19, 2015*

**chemistry**

2 HI + Li2S2O4 ¨ H2S2O4 + 2 LiI this is what I got and it says I'm wrong? I don't understand why

*April 14, 2015*

**chemistry**

Write a molecular equation for the gas-evolution reaction that occurs when you mix aqueous hydrobromic acid and aqueous potassium sulfide.

*April 14, 2015*

**chemistry**

Write a balanced equation for the reaction between perchloric acid and lithium carbonate.

*April 14, 2015*

**linear algebra-urgent**

could you explain how you got 55/25

*April 8, 2015*

**linear algebra-urgent**

1)let w=[3;4] and u=[1;2] a) find the projection p of u onto w. I found this to be p=[1.32;1.76] b) find a scalar k for which the vector kp has a norm that is equal to one. k=? d)find a vector that is orthogonal to span{w} s=? how do I do this

*April 8, 2015*

**history**

Can you edit my editorial for grammar punctuation, spelling etc? Samantha Witkowski CHC 2D Mrs. Buyers April, 4, 2015 Aboriginal Opinion Editorial On going years of mistreatment to Aboriginals have been heavily weighed and debated amongst the Canadian government. This ...

*April 3, 2015*

**chemistry**

Hello! I am struggling a bit with this problem A gas sample occupies 51.6 L at a pressure of 0.841 atm and 39.6 ºC. What is the amount of gas (mol) in this sample?

*April 3, 2015*

**chemistry**

How many molecules (not moles) of NH3 are produced from 3.55×10−4g of H2?

*April 2, 2015*

**chemistry**

How many grams of sucrose (C12H22O11) are in 2.50L of 0.710M sucrose solution?

*April 1, 2015*

**Chemistry**

Write a balanced equation for the combustion of gaseous ethylene (C2H4), an important natural plant hormone, in which it combines with gaseous oxygen to form gaseous carbon dioxide and gaseous water

*March 31, 2015*

**algebra**

A gold ribbon is to be placed around the outside of each rectangle of the frame. Write a polynomial expression to represent the amount of ribbon needed.

*March 31, 2015*

**itzel**

i think she means simplify. If so, it would be 4/11

*March 30, 2015*

**calc**

Suppose the derivative of a function f is f '(x) = (x + 2)^4(x − 3)^7(x − 4)^6. On what interval is f increasing? (Enter your answer in interval notation.)

*March 30, 2015*

**Criminal Justice**

Is it c? Sorry these are hard

*March 22, 2015*

**Criminal Justice**

16. Conviction rates for indigent defendants and those with their own lawyers were about the same in Federal and State courts. About __________% of Federal defendants and __________% of the defendants in the most populous counties were found guilty regardless of the type of ...

*March 22, 2015*

**Criminal Justice**

I think it is A ? Would that be correct?

*March 22, 2015*

**Criminal Justice**

15. Which of the following is not an example of an ethical dilemma a defense attorney may face? A) the prosecutor's winning record. B) client perjury. C) defense receipt of physical evidence. D) a confession in confidence.

*March 22, 2015*

**Criminal Justice**

. In 1215 the __________ was signed. Its article 39 provided a basis for modern juries. A) European Charter B) Charter of Liberties C) Articles of Confederation D) Magna Carta

*March 22, 2015*

**Criminal Justice**

Thanks!

*March 22, 2015*