Saturday

October 22, 2016
Total # Posts: 2,442

**Chemistry **

A hypothetical pure element consists entirely of two isotopes. The natural percent abundance of the isotope with mass 25.5 u is 78.8 percent. The other isotope has mass 29.5 u. Calculate the atomic weight of the naturally occurring element.

*October 16, 2016*

**I am having trouble with this homework question ,**

This is wrong

*October 1, 2016*

**I am having trouble with this homework question ,**

Thanks

*October 1, 2016*

**I am having trouble with this homework question , **

Here is the probability model for the blood type of a randomly chosen person in the United States. Blood type O A B AB Probability 0.53 0.21 0.03 0.23 What is the probability that a randomly chosen American does not have type O blood? % Round to the nearest 0.01%

*October 1, 2016*

**MATH HELP ASAP**

Super, thanks!

*October 1, 2016*

**MATH HELP ASAP**

Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 18 16 8 42 Female 7 17 9 33 Total 25 33 17 75 If one student is chosen at random, Find the probability that the student was NOT a female that got a "A"

*October 1, 2016*

**MATH 125 help**

Lol

*October 1, 2016*

**MATH 125 help**

Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 4 17 20 41 Female 15 7 19 41 Total 19 24 39 82 If one student is chosen at random, Find the probability that the student did NOT get an "B"

*October 1, 2016*

**Math Help ASAP SETS & Probability **

Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 2 10 17 29 Female 7 15 4 26 Total 9 25 21 55 If one student was chosen at random, find the probability that the student got a C.

*October 1, 2016*

**Probability Help ASAP!**

Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 17 5 2 24 Female 7 11 12 30 Total 24 16 14 54 If one student was chosen at random, find the probability that the student was female.

*October 1, 2016*

**Probability **

Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 8 10 12 30 Female 4 11 3 18 Total 12 21 15 48 If one student was chosen at random, find the probability that the student got an A.

*October 1, 2016*

**Cards Probability **

As shown above, a classic deck of cards is made up of 52 cards, 26 are black, 26 are red. Each color is split into two suits of 13 cards each (clubs and spades are black and hearts and diamonds are red). Each suit is split into 13 individual cards (Ace, 2-10, Jack, Queen, and ...

*October 1, 2016*

**PROBABILITY : M&M'S**

That's it

*September 30, 2016*

**PROBABILITY : M&M'S **

A BAG OF M&M'S HAS 3 RED, 7 GREEN, 6 BLUE AND 5 YELLOW M&M'S . WHAT IS THE PROBABILITY OF RANDOMLY PICKING.

*September 30, 2016*

**PROBABILITY MATH HELP!!!!!**

Ok, what is b?

*September 30, 2016*

**Math**

Convert the given exponential function to the form indicated. f(t) = 2.7(1.004)^t --> f(t) = Q0e^kt I'm not even sure where to start with this one - any help would be greatly appreciated.

*September 29, 2016*

**Math - check answer**

Thank you both!

*September 21, 2016*

**Math - check answer**

Frogs have been breeding like flies at the Enormous State University (ESU) campus! Each year, the pledge class of the Epsilon Delta fraternity is instructed to tag all the frogs residing on the ESU campus. Two years ago (t = 0) they managed to tag all 58,000 of them (with ...

*September 21, 2016*

**algebra 1**

I need to solve this inequality 3(x-2)>-3

*September 19, 2016*

**Calc BC (Rates of change and tangent lines)**

Find the derivative of y = 1/(x-1) Rewrite y = 1/(x-1) as y = (x-1)^-1 We can now use the power and chain rule. dy/dx = -(x-1)^-2 times 1 (times 1 because you have to multiply by the derivative of the inside function dy/dx = -1/(x-1)^2 Now, plug x = 2 into the dy/dx dy/dx = -1...

*September 15, 2016*

**College Algebra**

A manufacturing company finds that they can sell 375 items at $2.50 per item and 225 items at $3.50 per item. If the relationship between the number of items sold x and the price per item p is a linear one: Find a formula that gives x in terms of p: x= Now use the formula to ...

*September 15, 2016*

**Math**

Of course, I was overthinking it. Thanks!

*September 14, 2016*

**Math**

The organized crime boss and perfume king Butch (Stinky) Rose has daily overheads (bribes to corrupt officials, motel photographers, wages for hit men, explosives, and so on) amounting to $30,000 per day. On the other hand, he has a substantial income from his counterfeit ...

*September 14, 2016*

**Math HELP!**

Richard paid $80 per hour plus $55 for parts to get his computer fixed. If Richard paid a total of $175, how many hours did he pay for?

*September 9, 2016*

**math **

math problem-Car payments are determined using simple interest. To finance your vehicle purchase you have two choices. Write two equations, one for each bank, that models the banks' loan options using x for the price of the vehicle and y to represent the total cost (price...

*August 13, 2016*

**English**

What chapter in the novel "Color of Water", by James McBride gives multiculturalism a new meaning? The book is a "Black man's tribute to his white mother" and tells his story along with his mother's story from both of their point of views. ...

*August 11, 2016*

**Chem**

When 4.5 mol Al reacts with 11.5 mol HCl,what is the limiting reactant, and how many moles of H2 can be formed?

*August 2, 2016*

**Chemistry**

Hi, I've been working for nearly 2 hrs on this problem, but I'm stuck on the next step. Thanks for any pointers in the right direction. My problem is: How many grams of S8 are needed to produce 225 grams of sulfur hexafluoride? I was given this formula: S8+24F2(Arrow)...

*July 15, 2016*

**Chemistry**

By the way, my son first posted this question and received a message that it did not post. So in trying to help him, I reposted a similar question. Sorry for the double post of this problem. Thanks!

*July 15, 2016*

**child development**

I've been trying to search for a scholarly article for a while now. Giving me a link to a google search of scholarly articles doesn't help. I was hoping you could give me the link to an article that would help

*June 22, 2016*

**child development**

How does social and emotional development affect physical development?

*June 22, 2016*

**Math Help!**

guys i came here looking for answers on the same thing, i don't think you guys understand how behind we are, so if anyone from CONNEXUS knows the answers for a fact then may we see them? im not being rude i jut need help quickly :)

*May 25, 2016*

**dragon wings**

i just took the quick check fro connections academy future answer seekers and the answers are 1-D 2-D 3-B 4-D your welcome :)

*May 17, 2016*

**dragon wings**

so like is no one gonna say what the answer ended up being? i came here to find out?

*May 17, 2016*

**Life orientation**

How the geographical distribution of media can be improved in south african

*May 16, 2016*

**Maths**

ok who knows this one when x is added to the sum of 56, 87, and 21 the mean is 60. What is x ?

*May 15, 2016*

**Maths**

uh ok ps just wish me good luck on my Music exam tomorrow and my CPEA EXAM friday ok and thanks

*May 15, 2016*

**Maths**

… uhhhhhh it doesnt work like that u c if i add it like that youll get this hrs 1 mins 4 37 15 +2 48 = 8 5 and your already wrong this is hrs and minutes u cant have 85 minutes i forgot wat u do with the extra time ill have to ask some1 else or get it wrong there is only ...

*May 15, 2016*

**Maths**

yes DO U HAVE THE ANSWER PLZ SAY U DO EMILY

*May 15, 2016*

**Mathamatics/ Maths**

THANK YOU VERY MUCH NERO That was helpful god bless u lol

*May 15, 2016*

**Mathamatics/ Maths**

Out of the the following fractions which one[s] don't belong : 4/2, 9/3, 16/4, 25/5, 38/6, and 47/7

*May 15, 2016*

**Waste Disposal and Recycling**

to any future answer seekers that are skeptical, i just took the quick check on this and the answers are 100% correct, your welcome :)

*May 11, 2016*

**HISTORY**

What effects did american revolution have on the political, economic, and social concept of us today ?

*May 7, 2016*

**Language Arts**

what did you guys put for number 10 and 11?

*May 5, 2016*

**Algebra**

The goal is to shoot down my friends drone with a paintball. We need to know how quickly my paintball will reach a maximum altitude. And we need to know if my paintball will even reach the height required to reach the drone. His drones maximum altitude is 1200 ft. A paintball ...

*April 29, 2016*

**Physics**

A 4.7 gram feather falls with a constant speed of 1.4 m/s. What is the force of air resistance on the feather?

*April 21, 2016*

**Physics**

In a twist of tradition, you pull a sled horizontally with a force of 3.3 N on a frictionless surface of snow while your dog is sitting inside the sled. If the sled accelerates at 1.27 m/s 2, and the sled’s mass is 2.8 kg, what is the mass of your dog?

*April 21, 2016*

**Physics**

A ball travelling at 9.5 m/s is stopped by catching it by hand over a distance of 0.24 m. What is the mass of the ball if the force required to stop it over this distance is 6.4 N?

*April 21, 2016*

**Physics**

A 7.5 kg box is pushed across a floor by pushing forward and down, with a force of 11 N at an angle 64 degrees from the horizontal floor. What is the normal force exerted by the floor onto the box?

*April 21, 2016*

**Math patterns and rules unit test**

like seriously guys am i the only one that feels she should just have the answers like thats why i like this site, its full of answers for tests and stuff....if she wanted to learn then she would have gone to openstudy....fml, to anyone that came here for answersl, its ' a...

*April 13, 2016*

**Math**

calculate the rate percentage per year if $3240 is paid as intrest on 12000 for 2 and a half years. whats percentage pre year?

*April 8, 2016*

**math**

calculate the rate percentage per year if $3240 is paid as intrest on 12000 for 2 and a half years

*April 8, 2016*

**Science PLZ HELP NOW!**

hi, i saw ur other question and therefore i saw ur in 7b connections, whats the name of the test im done with science and could maybe find it

*April 6, 2016*

**Math**

Why is it a good idea to put one nickel, one penny,and one quarter in a different order to find the total?

*March 29, 2016*

**Trig**

Find the algebraic expression that is equal to sec theta - cos (-theta)

*March 24, 2016*

**Trig**

find the algebraic expression that is equal to sin (-theta) sec(-theta) cot(-theta)

*March 24, 2016*

**Math**

Express 2x^3-9/x^3+6x^2+8x as partial fractions

*March 22, 2016*

**physics**

A net force of 1.6×10−15 N acts on an electron over a displacement of 7.1 cm, in the same direction as the net force. (a) What is the change in kinetic energy of the electron (joules)?

*March 21, 2016*

**Algebra **

The difference between two positive numbers is 9. If four times the larger number is ten times the smaller number, what is the larger number?

*March 15, 2016*

**math**

triangle abc is reflected over the y-axis. What are the coordinates of the reflected triangle? Describe in words what happens to the x-coordinates and y-coordinates of the original triangle's vertices as a result of this reflection? I can't figure out how to describe ...

*March 15, 2016*

**Social Studies**

THANK YOU I GOT 100%

*March 14, 2016*

**chemistry**

Consider the unbalanced reaction Ti(s) + Cl2(g) --> TiCl4(s) When 10.3 g of Ti react with 12.7 g of Cl2, 16.2 g of TiCl4 are obtained. The theoretical yield of TiCl4 is , the limiting reactant is and the percent yield is %. (Remember to use correct sig figs)

*March 4, 2016*

**Biology**

Reaction to an external stimulus requires sensing the stimulus. The five senses (hearing, sight, taste, smell, and touch) are used to detect the stimulus. The nervous system processes the information coming in from the senses and helps drive the responding behavior. For ...

*March 4, 2016*

**Biology**

The major way of intercellular communication uses messenger substances (hormones) that are secreted by signal-producing cells and are registered by target cells. All cells produce and receive multiple, diverse signals. For example, Autocrine signals are produced by signaling ...

*March 4, 2016*

**educational tec connections academy**

i also kind of agree but i also think its A

*February 25, 2016*

**social studies**

hey future connections academy people! *waves hand* uh yea answers is correct i just gt a 100% on it with those answers, 1-C, 2-D, 3-C :)

*February 25, 2016*

**Art**

Ketchup is a non-traditional material, but the artist used it in his protest piece against fast food restaurants because of it's ability to a. resist decay b. convey a message •• c. deteriorate quickly d. attract flies What did the broken glass in Anselm Kiefer&#...

*February 1, 2016*

**Art**

Never main I got D

*February 1, 2016*

**Art**

I got A but I'm not sure

*February 1, 2016*

**Art**

Ancient native Americans chose willow strips to make baskets because they were easy to blend and A-east to find •• B-rare and valuable C-multi-colored D-waterproof Correct me plz

*February 1, 2016*

**Art**

Correct me plz A sculptor creates a bust of a famous politician out of marble and places it in the outdoor courtyard of the capitol building. Why did he chose marble? A. he wanted to honor the politition by using expensive material. b. marble is cheap and east to find •&#...

*February 1, 2016*

**Connexus Help me!!**

okay so guys i know the answers to this quick check im in CA so its (a,b,d,c,b) im just tryna help

*January 27, 2016*

**Maths**

I'm really getting stuck, I've spent a day trying to figure this out, but don't understand. Please could someone help me. Eph = hcT/b I need to rearrange to make b the subject and show and express each term as base SI units

*January 18, 2016*

**Math literacy,geography,tourism,bisiness studies**

Yes

*January 17, 2016*

**Math**

Never main it was C.49m

*January 13, 2016*

**Math**

2. A 21 meter tall tree near a building casts a shadow that is 24 meters long. The building casts a shadow that is 56 meters long. what is the height of the building? 21/24 = x/56 x = 56*21/24 = 49 m..........c -------------------------- a. 30m •• b. 64m c. 49m d. 72m

*January 13, 2016*

**Math Plz Correct Me!!**

Hold on I'm really sure it's A not B

*January 12, 2016*

**Math Plz Correct Me!!**

Correct me

*January 12, 2016*

**Math Plz Correct Me!!**

I'm really sure it's B

*January 12, 2016*

**Math Plz Correct Me!!**

Which ratios form a proportion? 3/15, 12/55 8/24, 12/35 5/18, 25/90•• 4/11, 16/25 Which ratio form a proportion with 9/15? 6/10 16/21 36/50•• 45/70

*January 12, 2016*

**Math**

I think 3 is D

*January 12, 2016*

**Math**

Can someone check my answers!!

*January 12, 2016*

**Math**

1. Garret is 64 inches tall. How many centimeters tall is he? Round your answer to the nearest tenth of a centimeter. 1 in. = 2.54 cm A. 25. 2 cm B. 162.6 cm •• C. 156.8 cm D. 86.4 cm 2. A jug of milk holds 4 quarts. How many liter of milk does the jug hold? Round ...

*January 12, 2016*

**Math**

What's the area of a rectangle whose perimeter is 30 cm and the longest side is 4 times longer than the shortest?

*January 12, 2016*

**Math**

Thanks for your help!!:)

*January 12, 2016*

**Math**

Which typing time is the fastest? 220 words in 8minutes 600 words in 12 minutes •• 350 words in 10 minutes 225 words in 5 minutes

*January 12, 2016*

**Math**

So it would be A

*January 12, 2016*

**Math**

Write the ratio as a unit rate. 8 meters in 10 seconds A. 0.8 meter per second B. 1.125 meters per second C. 2 meters per second•• D. 80 meters per second

*January 12, 2016*

**Math**

For the last one woun't it be B

*January 12, 2016*

**Math**

Which ratio is equivalent to 4/16 A. 2:4•• B. 6 to 20 C. 8:32 D. 12 to 64 Write the ratio as a unit rate. 286 miles in 5 1/2 hours A. 36 miles per hour B. 52 miles per hour •• C. 57.2 miles per hour D. 114.4 miles per hour Which typing time is the fastest? ...

*January 12, 2016*

**Math**

Which ratio is equivalent to 3/7? A. 6 to 10 B. 9:21 •• C. 12/35 D. 7 to 3

*January 12, 2016*

**Math**

Write an inequality to model The situation the number n of the people who attended the game was at least 50 A. N > 50 B. N < 50•• C. None of the above

*January 12, 2016*

**ChemistryHELP!!**

HELP! Thanks

*January 11, 2016*

**Chemistry**

I'm confused on how to do these. Please show and explain how to do these. Test/quiz may be tomorrow. Pop Quiz!!! How do you calculate the percent composition of each of the following compounds? a.) Magnesium hydroxide b.) Calcium Cyanide c.) Nickel (ii) Iodide d.0 Copper (...

*January 11, 2016*

**Art**

What is the best way to fully understand genre of art Critique two examples of art from genre Evaluate it based on criteria for another genre of art Research its history, development and characteristic style•• Study art from the same time period

*January 11, 2016*

**Art**

What is the best way to fully understand genre of art Critique two examples of art from genre Evaluate it based on criteria for another genre of art Research its history, development and characteristic style•• Study art from the same time period

*January 11, 2016*

**Art**

All of the following helped an artist learn throughout experimentation except Using standard materials in the manner in which they were intended Do you think standard techniques and new combinations to create different effects •• Create new ways of using materials ...

*January 11, 2016*

**Art**

Which of the following most influenced the art of tessellation Language Arts Social Studies Science Mathematics••

*January 11, 2016*

**Language **

Which statement describes someone who is formidable ? The principal smiled warmly as he welcome the new student The doctor told the boys father that the illness was not serious The woman towered above the small boy and spoke sternly•• The boys father sat at the foot ...

*January 11, 2016*

**Language**

in the excerpt from barrio boy, what makes Ernesto smilar to several of his classmates? A. Other students in the class also do not speak English.•• B. Other students in his class also live in his neighborhood. C. Other students in his class are also from Mexico. D. ...

*January 11, 2016*