Algebra, help + check please

104,559 results, page 99

Algebra II

Can you please explain what formula I need to do to solve the following problem: If 3 laps = 5/8 mile, how many laps needs to be completed to run 3 miles? Don't look for "formulas" to do these kind of questions, use ratios, one of the most powerful tools of math 3 laps = 5/8 ...

Algebra

You and a friend eat tacos. You order 2 tacos and 5 burritos which equals $19. Your friend orders 1 taco and 4 burritos which equals $14. Find the cost of a taco and a burrito. Please help

PLEASE HELP geometry trapezoid problem please help

The diagonals of a trapezoid are perpendicular and have lengths 8 and 10. Find the length of the median of the trapezoid. I don't get it... i got as far as the area is 40, and m (median) times the height is 40 as well... please help!

Science

Please don't say this is to difficult to do or its o hard. Just tell me how to do it. I wanna amke a model in whihc electricity is generated through wond. ;) Check these sites for instructions about how to generate electricity with wind. http://www.pbs.org/now/printable/...

Algebra

I need this question put into an equation. I have been working on this forever and cannot figure out! Please explain what you did. Thanks so much for your time! Mark sold 105 tickets for the basketball game. Each adults ticket cost $2.50 and each child's ticket cost $1.10. ...

Algebra/ Chemistry

Q (ft3/min) : 3.9, 7.9, 11.8, 15.7, 19.6, 23.6, 27.5, 31.4, 35.3, 39.3 Delta P (psi): 0.13, 0.52, 1.18, 2.09, 3.27, 4.71, 6.41, 8.37, 10.59, 13.08 My professor gave the information above and wants us to come up with a linear equation that relates Q and square root of delta P. ...

Algebra

A worker gets 18 dollars per hour for a normal work week of 40 hours and time-and-a-half for overtime. Assuming he works at least 40 hours a week, construct a function describing his weekly paycheck,P, as a function of the number of hours worked, t. P(t)=____ dollards I PUT P(...

Algebra

What is the profit of 30 flight excursions if the set up fee is $40.00 per person, $800.00 rental fee for the hanger? I need this answer and I need it in a algebra equation, to show the work.

math, algebra

can someone correct this for me or help me. 6x^2y^3+ 9x^2y^3 divided by 3x^2y^2 my solving and answer is: 15 x x y y y ---------- = 5y 3 x x y y Looks good to me. I've never thought of showing x^2y^3 as xxyyy. That a neat wrinkle. We see quickly that the Xs cancel and all but ...

English

Could you check if the following alternatives are possible, please? Thank you. 1) I didn't know your address but I was able/managed to find you. (succeeded in finding you??? ) 2)When I was young, I could/was able to (NO: managed to/succeeded in ) 3) I called her up several ...

PLEASE

PLEASE SOMEONE RESPOND TO MY QUESTION: Physics (12)! THIS QUESTION IS DRIVING ME NUTS!!! I DID THIS 7 DIFFERENT WAYS!!! I AM SO LOST! PLEASE! I NEED THIS QUESTION FOR TOMORROW!!!! P.S. thanks so much....very much appreciated!

Math - please double check me

There are 42 accounting classes with 31 students in each class. Estimate the total number of students in the accounting classes. a. 1200 b. 900 c. 1600 d. 1500 answer: c One kilometer is equal to 1000 meters. What fractional part of a kilometer is 500 meters? Simply your ...

English

I forgot to include the following sentences. Could you please check these other sentences, too. 1) Rewrite the exercise three times after learning the use of reporting verbs. 2) Revise carefully the verbs followed by the infinitive and the gerund in your book and then do the ...

algebra mean med mode

can you check my answers i have to find the mean, median and mode 1) 8 12 6 9 5 mean: 8 median : 8 mode : no mode 2) 3.4 0.53 1.3 2.9 1.47 0.24 mean: 1.64 median : 1.385 mode: no mode 3) -6 3 -2 6 7 -3 -5 8 mean : 1 median : 1 (? not sure on that) mode : no mode 4) -17 32 -9 0...

Lang. Arts

am: wasn't ::can:___________ aminite:constitution::________:letter bazzar:market place::enigma:________ In your first analogy, you have two verbs; the second one is a negative contraction of the past tense of the verb. Think of it this way. I am here. I wasn't here. I can see ...

Statistics

Check my answers please! Thanks a lot. Five students reported that the previous night they slept: 7,8,7,10,9 hours. Calculate the sample varience and standard deviation. sample varience = 1346.5 standard deviation = 36.7 Consider this. Ths standard deviation can never be ...

Chemistry (URGENT)

In order to analyze the waste water containing Co^2+ from a manufacturing process, 1.0L of water was evaporated to 10.0mL, then placed in a spectrophotometer tube. The absorbance was found to be 0.20. Using your calibration curve, calculate the number of milligrams of co^2+ in...

English

Hi, this the description paper I posted before except I changed it. I have to redo it. I took you guy's advice please check and correct me. Thanks. By the door, there paused an impatient low spirited woman. She was in her twenties and she had big, bright brown eyes along with ...

to ms.sue-writing project

please check: Narrative Prompts (choose only one) • Your aunt arrives with a huge box. You hear strange noises coming from the box. Write a story about what’s inside. what i wrote: every monday, my aunt would come and visit me.everytime my aunt visits me, she would always ...

Algebra 1A

I need help please. you have recently found a location for your bakery & have begun implementing the first phases of your business pla. Your buget consists of an $80,000 loan from your family& a $ 38,250 small business loan. these loans must be repaid in full within 10 years. ...

algebra

can anyone please help me set this problem up, I can do the math but I have tried for hours... Air fare club offers membership at $300.00, at least 50 people must join.For every member over 50 their fare will be reduced by $2 for every member. Due to space limits only 125 ...

Math

I posted this earlier, but got no answer. So I am re-posting. Jean deposited a check for $625, wrote two for $68.74 and $29.95 and used her debit card to pay for a purchase of $57.65. How has her account balance changed? I am a little lost, I understand the deposit BUT from ...

world history

please, please, please help me with my question! 1. el nino affects the andean region by A.causing seasonal rains to come at the wrongtime b.decreasing the temperture c.causing drought d.causing torrential rains

Social Studies

PLEASE ANSWER! PLEASE ANSWER! PLEASE ANSWER! Identify two problems resulting from urban sprawl in the western region of the United States. If these problems are not solved, what will the outcome likely be?

algebra

Please help me? Chicken Dinners. High Flyin' Wings charges $12 for a bucket of chicken wings and $7 for a chicken dinner. After filling 28 orders for buckets and dinners during a football game, the waiters have collected $281. How many buckets and dinners did they sell?

Algebra 2

The temperature of a liquid during an experiment can be modeled by the function f(x)=3.8cos(πx20)+2.2 , where f(x) is the temperature in °C and x is the number of minutes into the experiment. What is the lowest temperature the liquid reached during the experiment? Round to ...

MircroEconomics - Production & Cost

Please check my answers if they are correct! If not, please make corrections. Thank you! Bob, owner of Bob’s Auto, sells cars. The number of car sales is represented by y. Bob buys autos at a price of A each and has no other costs. He only buys as many cars as he sells. a) ...

History

Could someone explain the concept of judicial review and its impact on the balance of power in the United States Government? Judical review means that the courts can review congressional and administrative actions to see if they are constitutional. The Supreme Court gave ...

Linear Algebra

I need help for the Linear Algebra B Unit 2 test. Please help. 1. For the data in the table does Y vary directly with X? If it does, write and equation for the direct variation. l X l Y l l 10 l 15 l l 16 l 24 l l 20 l 30 l A- Yes: Y=1.5X B- Yes: Y=2x C- Yes: Y=x+5 D- No: Y ...

Please check my answers

14.richard 15.member 14. Which word in the sentence is the predicate nominative? Richard became a council member by age seventeen. A. Richard B. member C. age D. council 15.Which word in the sentence is the predicate nominative? You should be a new member of the swim club at ...

auditing

Bill Jensen, a staff member of Zhan & Co., CPAs, has given you the following list of what he refers to as “internal control deficiencies” for the Zabling Co. audit and has asked you to review each point and make certain that you agree that each is an internal control...

Science ~CHECK MY WORK PLEASE~

Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? A. He decreased the density by increasing the volume. B. He decreased the density by ...

Algebra

a cessna can fly at a rate of 220 mph in calm air. traveling with the wind, the cessna flew 780 mi in the same amount of time as it flew 540 mi against the wind. find the rate of the wind. how do i set this problem up? please explain in detail cuz i don't get these word ...

algebra 1A

help please! the deepest point of the gulf of mexico lies approximately 12,4000 feet below sea level what is the integer that best expresses the given number. type a negative number with a negative sign, or type a positive number with no sign. is either one of these answers ...

Algebra

I have an exponent properties test tomorrow, its our last one before the final, so its important, but anyways, there is one question on the review that is confusing me. Could you please help? Here it is : (2y2x7)(-xy)(9x-3y) I don't know if the exponents showed up, but the ...

pre algebra

Two bank robbers flee at 60 mph. 26 minutes later, a police helicopter follows at 120mph. How long til they catch them? I figured 39 minutes. I takes the police 13 minutes to get to the 26 mile mark. Then the robbers move 13 miles forward. then the police take 6.5 minutes to ...

algebra

I need to write an inequality with the following information;I have a summer business selling book markers. They cost .75 to make and I'm selling them at $4.00 each. Write an inequality with variables showing earnings with the sale price and the number sold. I'm so confused ...

Algebra 2 help please.

The average daily minimum temperature for Pablo’s hometown can be modeled by the function f(x)=15.3sin(πx6)+44.1 , where f(x) is the temperature in °F and x is the month. x = 0 corresponds to January. What is the average daily minimum temperature in June? Round to the ...

Algebra

I'm stuck on this question, and really need help. Question: True or false? Explain your answer. The inequality −2(x + 10) ≥ 75 says the same thing as −2x − 20 ≥ 75. I can multiply by -2 on the left side without reversing the inequality symbol. Answer: True. You are ...

Algebra 2

Can you please explain step by step on how to do this problem? Condense the expression. 2(log base 6 of 15 - log base 6 of 5) + 1/2 log base 6 of 1/25

Algebra 2

Can you please explain step by step on how to do this problem? Condense the expression. 2(log base 6 of 15 - log base 6 of 5) + 1/2 log base 6 of 1/25

Algebra 2

What is the intersection of a cone and a plane parallel to a line along the side of the cone? Provide mathematical examples to support your opinions. You may use equations, diagrams, or graphs to organize and present your thoughts. You are encouraged to think about this ...

CHEM

Can you please check my work? I got -4.3KJ/mol If this is not right can you tell me what I am doing wrong? Thank you! Questions. 1.a. Use Hess's Law and the measured mean enthalpy changes for the NaOH-HCl and NH3-HCl reactions to calculate the enthalpy change to be expected ...

algebra

A rectangle is 16 inches wide and 20 inches long. If the length of this rectangle is changes, how many square inches of are are added for every inch in length that is added to this rectangle? Please show work.

Algebra I

The cost of 4 scarves and 6 hats is $52. The cost of two hats is $1 more than the cost of one scarf. What are the costs of one scarf and one hat? Please show me how to set this up and work it.

algebra

find the slope and the y-intercept of the line. write fractional answer in the lowest terms. 4y+9x+3=11+9x the slope is? the y-intercept is (0,? help im not to good at algebra

Probability (Please check answer and assist)

X, is assumed to be a random variable by placing letters of the word “YACHT” in a hat. If these letters are withdrawn then it gets replaced. A value of 1 is given when a vowel is retrieved, and a value of 2 is given when a consonant is retrieved while a value of 3 is given...

Math please check answer

1. =SUM(A14,A8) 2. =C8+ 15 3. PMT function {PMT(D4D12,E4,-C4)} What will each of the above formulas do please see if I have the correct answer using excel or another spreadsheet document. 1. Is the sum between the two blocks listed the more blocks the more #'s to the equation...

English

1. After you write short passages about two of your friends, send an e-mail to one of your classmates. The student who gets the e-mail should write a short reply. 2. Read the reading fast, right, and with emotion out loud. After that measure your reading speed. 3. the number ...

Organich Lab Help Please!!!!!!!!

a) You use 100 ml ethylchloride (density 0.92 g/ml) to extract 25 ml ethylene bromohydrin (density 2.41 g/ml) mixed with 100 ml. Is the aqueous layer the lower or the upper layer. How could you easily test this. ----- Ethylchloride is less dense so it is the top layer Ethylene...

Math 156

1)Suppose you buy 1 ticket for $1 out of a lottery of 3000 tickets. If the prize for the one winning ticket is to be $500, what are your expected winnings? I'm assuming the answer for this one is $0.00 2)A basketball player with a free throw shooting percentage of 60% gets ...

Help last questions( check)

What is the volume of the right prism? 15in 17in 10in 8in a. 1200 in3 <--- ? A b. 600 in3 c. 400 in3 d. 50 in3 The 17 doesn't matter I believe. It is labled inside the prism on the grey which is the opposite side as the 15. So I just did 15 x 10 x 8. Plus if I use 17 it ...

Language art

Just this one question please . 1.According to the MLA style, how should you format the title of a magazine article? A . In italics B. in quotation marks C. With underlining Please thankyou and anyone who has taking this please can you give me the correct answer? Thankyou ...

Math! Please Check My Answers

Key: ☺ = My Answer! 2. Write a word phrase for the algebraic expression. 3x - 7 A. The difference of three times a number x and seven. B. The difference of seven and three times a number x. C. Three times a number x fewer than seven. ☺ D. The quotient of three ...

9th Algebra

Im in 9th grade algebra. and we are learning adding and subtracting real numbers. im stumped on a couple of problems. I get confused when i see the absolute value lines. Does that change the munber? Do i just go on with the problem as if they werent there? And i have NO idea ...

French

Could you please check these thanks. Directions: Complete with the verb mettre. 1. Qu'est-ce qu'ils -------- dans leur sac à dos? Ils ------------ Answer 1: mettent Answer 2: mettent 2. Qu'est-ce que tu --------- dans ton sac à dos? Je ---------- Answer 1: mets Answer 2: ...

6th grade math

Can you check these, please? 1. A spool contains 18.5 feet of rope. Bob cuts off a piece of rope. There are 13.8 feet of rope left on the spool. Write 3 equations that could used to determine the length of the rope (r) Bob cut off. Ans 1: r + 13.8 = 18.5 Ans 2: 18.5 - r = 13.8...

HURRY CHECK THIS MATH

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. A customer went to a garden shop and ...

Chem

A bottle of win contains 12.5% ethanol by volume. The density of ethanol (C2H5OH) is .79 g/mL. Calculate the concentration of ethanol in wine as mass percent and molality. I calculated molality as 2.4 m/kg, but I'm stumped on the mass percent [although I'm hitting the right ...

Algebra

I am not sure how to solve this problem. Could someone please help and explain the proper steps. Annual interest of 2.5% paid if the balance exceeds $750, $8 monthly fee if the account falls below minimum balance $815, account falls below $750 during 4 months.

Algebra

Please help me to solve this problem. Thank you in advance for helping to solve this problem. Have a great day. Here is the question? Find an equation of the line that passes through the two given points. Write the equation in slope-intercept form, if possible. Passes through...

Pre-Algebra Permutations and Combinations

16. Simplify 6p2 30 15 12 720 17. Simplify 8c5 6,720 336 56 10 Okay, so the formula for Permutations is n!/(n-r)! and the formula for Combinations is n!/r!(n-r)! however I don't quite know how to figure either of these out. I'm sort of blanking here! Please help. BTW, Ms. Sue...

Reading please please help

2. In several of the selections in this unit, immigrant parents play an important role. How does the fact that some of these parents are immigrants affect their children? Choose two selections and explain your answer. hi im sure some of you have read daystar I stand here ...

physics

please check my answers. 20. does the international space station have gravitational pe? ke? explain? -It has gravitation pe. I thought that Gravitational potential energy is the energy stored in an object as the result of its vertical position or height? 30.a moving hammer ...

Physics

please check these: In which of the following sentences is WORK used in the scientific sense of the word? a. holding a heavy box requires a lot of work b. a scientist works on an experiment in the laboratory c. sam and rachel pushed hard, but they could do no work on the car d...

Algebra

On its first three plays in a football game, the offense gains 6 yards,loses 5 yards, and then gains 7 yards. Write an equation that could be used to find y, the number of yards needed on the fourth play for the overall 10-yard gain required for the first down. Could you ...

Algebra

Every item in the Just a Dollar store is priced at $1.00. When Mary Jo opens the store, there is $128.50 in the cash register. When she counts the money in the cash register at the end of the day, the total is $1023.10. If the sales tax rate is 6.5%, how many items were sold ...

Algebra 2/Trig

I've done every other single question besides this one. (There was 12). I'm stumped and would really appreciate some help! I have to simplify this: 5/3sqrt(3-4) I am not sure if you have to conjugate the denominator and multiply it with the top and bottom, then simplify from ...

Grammar and Composition

please check my answers: identify the following as a prefix, root word, or suffix. give the meaning for each 1. re : prefix : back, again 2. pathy : root : feeling 3. dis : prefix : opposite of 4. luc : root : light 5. dom : suffix : dignity, office, condition 6. ice : suffix...

Reading

1. Count' -verb 1. to list numbers sequentially 2. to add up; enumerate 3. to include in a reckoning 4. to deserve consideration, to have merit -noun 5. the act of counting, a calculation 6. the total number resulting from a count 7. Baseball, the number of balls and strikes 8...

Algebra

Kerry's car averages 25 mpg. She wants to find how far she can drive based on the gallons in her car. Choose the correct model fo this situation 25=d+g D=25g G=25 ( d is distance in miles and g is gallons of gas) What is the slope ? How far can she travel if she puts 7 gallons...

accounting help

Please help Tevin Trader starts a merchandising business on December 1 and enters into three inventory purchases. December 7 10 units @ $6 cost December 14 20 units @ $12 cost December 21 15 units @ $14 cost Trader sells 15 units for $25 each on December 15. Eight of the sold ...

geography

Can you check my answers please? 1. Describe North Dakota's geographic borders using cardinal directions? To the North is Saskatchewan and Manitoba, Canada. To the East, it is Minnesota. To the South, it is South Dakota. To the West, it is Montana 2.Which is farther north, ...

math

2x+4(1-x)=11+5x 2x+4-4x=11+5x 6x+4=11+5x 6x=7+5x x=7 i think this is it x = 7 is not correct. Here's how the problem should work out: Use the distributive property to get rid of the parentheses and you will end up with this: 2x + 4 - 4x = 11 + 5x Combining like terms: -2x + 4...

psychology

Questions: 1. What are the design elements (IV, DV) and operational definitions? 2. What are the potential confounds? 3. What are the strengths and weaknesses of the study design? 4. The message written on the back of the check concerned an upcoming special dinner at the ...

physics

resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. the circuit voltage is 180 volts I need to find 1)the voltage of the parallel circuit 2)the resistance of the complete circuit 3)the voltage across the 10 ohm resistor 4) the ...

physics

resistors of 30 ohms and 60 ohms are connected in parallel and joined in series to a 10 ohm resistor. the circuit voltage is 180 volts I need to find 1)the voltage of the parallel circuit 2)the resistance of the complete circuit 3)the voltage across the 10 ohm resistor 4) the ...

Government questions..

1 --In Japan, the process by which the prime minister can excuse the House of Representatives and trigger a general election is called? 2 -- How did Marx envision communism in its final form? 3 --from the states' point of view, what advantage did revenue sharing have over ...

English

Could you check these phrasal verbs, please? Thank you very much, Writeacher. 1) I think they should do away with blue lines and just let people park where they want to. 2) You should have your house done up before you sell it. He dropped in to see me on his way back from work...

please check over my work

A 2.5 kg stone is released from rest and falls toward earth. After 4s, the magnitude of its momentum is: My work: J=F*t =(F *t)= 24.5N * 4s F= 2.5 *9.81= 24.5 J=P P= 98kg m/s A sphere X, of mass 2kg, is moving to the right at 10m/s. Sphere Y, of mass 4 kg is moving to the left...

English

First you should have your decayed molar pulled out at the dentist's. We have to spend a lot of money if you have a false molar implanted at the moment. So, wait. By saving money, later you can have a false molar implanted. Today I will go to the citizen center and then I will...

Algebra

Here is what I got to do : write an inequality for my classmates to solve. In my inequality, use both the multiplication and addition properties of inequalities; before I summit this to class I want to know if I did it right: 5(x + 8) -6 > 4(x + 6); 5x + 40 - 6 > 4x + 24...

English

By the end of chapter one of ‘Pride and Prejudice’, what have we learned about Mr. And Mrs. Bennet individually, and about their marital relationship? THank you so much to all who have helped me before, cud some1 please check this conclusion and tell me if it's ok, if i ...

PLEASE CHECK! ELA

Which choice best describes the underlined words in this sentence? There goes that antique fire truck from the car show. A- simple subject B- complete subject C- compound subject D- none of the above I think B. Which choice best describes the underlined words in this sentence...

Cultual Diversity

1.A mother's eventual submission to her young child's repquests for the toy matchbox car in the hobby shop is representative of the ______ parenting style. a. laissez faire b.authoritarian c.Victorian d. democratic 2.A Native American child spent 30 minutes watching, ...

Social Studies

1) In which of the following ways are Japan and South Korea similar? A) they both are peninsulas B) they both are made up of islands C) they both have dry summers D) they both have few mineral resources <----- 2) Which adaptation to Southeast Asia's geography has been most ...

Chemistry: Please check my work!I am stumped

When nitroglycerin (C3H5N3O9) explodes, it decomposes into the following gases: CO2, N2, NO, and H2O. If 239g of nitroglycerin explodes, what volume will the mixture of gaseous produces occupy at 1.00 atm pressure and 2678oC? a. Write a balanced equation for the reaction. b. ...

Physics-Ohms Law

Will you check my answers please? A volt is a unit of current and an amprere is a unit of current. It is common to call electric potential difference- voltage A current of 1 ampere is a flow of charge at the rate of 1 coulomb per second. When a charge of 15 C flows through any...

Math

What would the grapg of 10/x look like? A. a straight line B. a parabola C. a curve*** D. none of the above What would the graph of y=3/4x - 7/8 look like? A. a straight line*** B. a parabola C. a curve D. none of the above y=x2 + 1 look like? A. straight line B. a parabola...

Algebra

Please help me to to solve this quadratic equation word problem. Here is the question: Studying Microgravity. NASA'S Glen Research Center in Cleveland, Ohio, has a 435-foot drop tower that begins on the surface and descends into Earth like a mineshaft. How long will it take a ...

Chemistry

Write equations for the dissociation of the following in water. Do not include states in your answer. 1) sodium acetate (NaC2H3O2) NaC2H3O2 ---> Na+ + (C2H3O2)- 2) copper(II) perchlorate Cu(ClO4)2 ---> Cu2+ + 2(ClO4)- Enter balanced ionic and net ionic equations for ...

English

1. If I had brought an umbrella, I would not have gotten wet. 2. If I had brought an umbrella, I would not have been wet. 3. If I had brought an umbrella, I would have stopped rain from falling on me. 4. If I had brought an umbrella, I would not have soaked with water. 5. If I...

algebra

Mike's family wants to build a rectangular fenced backyard area for their dog. They have a 20-meter length of wire fence and four posts. They can also use the 20-meter straight length of the back of their house as a side of the enclosure, but the fence cannot attach directly ...

English

Can some one please check my work? Thanks! From the words below supply the words needed to complete the sentences. occult; serene; partisans; fervor; fledgling; blasphemous 1. Even though he was a FLEDGLING writer, his work suggested he was a professional. Once in a FERVOR, he...

English

Hello I am in 4th grade and i have wrote this poem: i am waiting for the rain from such a Long time this heatness is suffocating Air conditionar has just became the prime Opening the windows and everywhere is the grime Feel's like I am in a desert Will it ever rain or it will ...

Foreign languages

Could you please check if these disconnected sentences are possible? Thank you, Writeacher. 1)Italy sided with Germany (aslo allied with Germany) and declared war on the Western Powers. 2) Can I replace Italy with "she"? Example: Italy was invaded by the Allies in 1943. 3) ...

History

Please Check: 1. Why did the Farmers’ Alliance form? a. To discuss political concerns and develop solutions b. To coordinate the crops grown by farmers in south Carolina c. Because the Grange did not address social concerns d. Because the Grange did not address economic ...

History

Please check my answers! My answer is ** 1. Why did the Farmers' Alliance form? a.) to discuss political concerns and develop solutions b.) To coordinate the crops grown by farmers in SC c.) because the grange did not address social concerns. ** d.) because the grange did not ...

Physics- check answer please

A critical angle of 24.4 degrees applies to: a) light travelling from air into diamond b) light travelling from diamond into air c) light travelling from water into diamond d) light travelling from diamond into water Would the answer be a)?

AP Chemistry

1) Calculate the volume of air at 30 degrees C and 1.00 atm that is needed to burn completely 10.0 grams of propane. Assume that air is 21.0 percent O2 by volume. 2) Assuming all of the heat evolved in burning 30.0 g of propane is transferred to 8.00 kg of water (specific heat...

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