# Posts by ricardo

Total # Posts: 171

Chemistry
How many moles of H are there in 8.9 moles of C4H8O2?

Chemistry
How many moles of Cl ions are there in 8.5 moles of CaCl2 ?

Ernst
How many moles of H are there in 8.9 moles of C4H8O2?

Social Studies
i think its d

Physics
A car traveling at 28 m/s hits the brakes. If it takes the car 88 m to come to a complete stop, what is its acceleration?

Math
I did this, but i don't think its right for this problem and I don't know where to go from here. Help please factor x^3-5x-2 x^2+10 (x^3-5x-2x^2)+10 x (x^2-2x-5)+10

Physical Education
Finish the swing

devry assigment
38% of women consider themselves fans od professional baseball. you randomly select sex women and ask each if she considers herself a fan professional baseball

science
How are weathering and soil formation related?

science
How do water and air cause rocks to crumble?

Math
I don't know tell me

Math
You have a pizza that's 6 cool slices if you eat 4 .what it what is the angle measure of doing fortune of pizza in degrees

MAth
thank you reiny

MAth
i think it 6.56 Please help

MAth
i think is 50-20.45=29.55 29.55/4.5

MAth
Jim bought a pen and a calculator. He paid the cashier \$50 and received \$20.45 change. If the pen cost \$4.50, how much did the calculator cost?

math
7 equals d plus 5

math
It will be positive

Astronomy
5777

Business
How can efficient and effective management be used as an asset for SM JALEEL? 500 words

math
The diameter of a circle is 10 meters. What is the area of the circle? (Use 3.14 for mc004-1.jpg and round to the nearest tenth.)

Calculus
You are in a boat "a" miles from the nearest point on the coast. You are to go to a point Q, which is "b" miles down the coast and 1 mile inland. You can row at 2 miles per hour and walk at 4 miles per hour. If a=3, and b=4, toward what point on the coast ...

Math
divide write each quotient in simplest form

5th grade math
Divide. write each quotient in simplest form. 3/1-3

science
10. A balloon has a volume of 0.5 L at 20°C. What will the volume be if the balloon is heated to 150°C? Assume constant pressure and mass.

science
7. A helium balloon has a pressure of 40 psi at 20°C. What will the pressure be at 40°C? Assume constant volume and mass.

science
1. Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why in your own words.

science
3. Atmospheric pressure at the top of Mt. Everest is about 150 mm Hg. That is why climbers always bring oxygen tanks. If a climber carries a 12.0 liter tank with a pressure of 35,000 mm Hg, what volume will the gas occupy if it is released at the top of Mt. Everest?

science
thanks

science
The atmospheres of Mars and Venus are mostly carbon dioxide. Earth’s atmosphere contains only a fraction of a percent of carbon dioxide. Why is Earth’s atmosphere so different from those of Mars and Venus?

math
thank you

math
please help me

math
6x^2 + 5x - 6 = 0 ? is that

math
nature of factors of trinomials? 6x2t5-6

science
Which material would have a higher specific heat: a. a material made of heavier particles b. a material made of lighter particles c. the mass of the particles does not affect specific heat

science
The temperature increase of an object depends on: a. its mass b. its velocity c. the material from which it is made d. answers a and c e. none of the above On a night at the beach, which would you expect to cool faster: the ocean water or the beach sand? Explain your answer

math
A bag contains 12 slips of paper of the same size. Each slip has one number on it, 1-12. Describe an impossible event.

Math
A bag contains 12 slips of paper of the same size. Each slip has one number on it, 1-12. Find P(even number). Find P (a number less than 6). Find P (an odd number). Find P (a number greater than 8).

science
you read about a rope and pulley machine that was able to produce equal amounts of output work. was this a realistic example why or why not?

science
you read about a rope and pulley machine that was able to produce equal amounts of output work. was this a realistic example why or why not?

Math
Hello i need help to factorize this calcul: ax^n*(1+(b/a)*1/(x^(n-p))) Thanks

Physics
A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. The thrust of its engines is 3.82 x 105 N. In being launched from rest it moves through a distance of 57.2 m and has a kinetic energy of 5.71 x 107 J at lift-off. ...

spanish
Para la ciudad de México (Mexico city): Frío por la mañana y noche, ligeramente caluroso por la tarde.

Spanish help!
Do not forget punctuation marks, in spanish we use open and close mark. Ms. Sue is right, there is not sufficient information but there are only three possibilities (without auxiliary verb) a.- Fueron b.- son c.- serían /three differents tenses, in the three options we ...

chemistry
Suppose that 0.450 of methane,CH4(g) , is reacted with 0.600 of fluorine, F2(g), forming CF(g) and HF(G) as sole products. Assuming that the reaction occurs at constant pressure, how much heat is released?

Spanish
The correct question is: "¿Qué estás haciendo?" Do not forget the punctuation marks. Present tense, the answer is for first person (Yo). I give you some help. Look: cepillarse - me cepillo, maquillarse - me maquillo, bañarse - me bañ...

math
solve equation a + 10 = 7.9

spanish
"Hi, my name is Allysiah"= ¡Hola, mi nombre es Allysiah"

spanish
Hi, my name is Allysiah. It´s very easy, do you miss your first spanish class? First try looking each word in a spanish dictionary, order them an show me what you find, after that I will correct you. Bye

Spanish Check
As SraJMcGin said "ir" is the verb, then as you wrote in the beginning "vamos", notice that "vamos" is the plural of the first person of the verb "ir" (present tense), this is the key. 1 yo voy 2 tu vas 3 él/ella va 4 nosotros ...

spanish
The only spanish word I am thinking is "tantísimo", this word needs and direct object.

spanish
La única que se me ocurre es "tantísimo" pero necesariamente requiere de un complemento.

Spanish Beg. 1 - Homework Check!
Not only 3, 7 and 8 need help, also in 5 and 6. 3 cloudy 5 Está fresco o hace el fresco (usual in México) o hace fresco. 6 Hace viento / windy 7 Hace buen tiempo It is good Weather 8 Hace mal tiempo It is bad Weather

Spanish
and look for the spanish words. Of course, do not forget the gender and number. Ejemplo. Viejo (old man) Vieja (old woman) Viejos (many old man) Viejas (many old woman)...

Spanish
Almost all the question are answered with the verb "Ser/Estar". Conjuga el verbo para cada persona. Verbo :Ser Yo soy Tu ... El/ella ... Nosotros ... Ellos ... Verbo: Estar. Yo estoy. Tu ... el ... Nosotros ... Ellos ...

Physics
Aunque no tuve tiempor de leer este texto de envio la direccion del sitio de google books: la doble diagonal+books+diagonal+google+punto+com+mx+diagonal y todo lo que sigue books?id=l6vsi4H9xzIC&pg=PA24&lpg=PA23&hl=es#v=onepage&q&f=false

Physics
El sitio de "Arqueología Mexicana" de editorial raices tendrá seguramente un número dedicado a este importante sitio. El u r l es arqueomex con el punto com (no me permite enviar direcciones por eso lo apunto así) Buscaré en mi ...

Physics
Probablemente, si vives en la ciudad de México, encuentres un estudio en la biblioteca de la ENAH o con alguno de los especialistas de esta escuela. Ahora bien, respecto de las otras preguntas creo que obviar que no es un prisma completamente regular y tomarla como tal ...

Spanish
No, in this case there are two options, the first one is to use the diminutive "Catalinita" (without one a), but the second one is to use only a part of the name and add "i": "Cati", the ending "ito"is formale gender/"ita" for ...

Spanish Beg. 1 - HW Check/HELP!
1.- Complementando "¿Qué tiempo hace? o ¿Qué tiempo tarda?", or ¿Cómo está el tiempo o el clima? (better), o ¿Qué tiempo hace? (Rarely use to ask for the wheater.

Spanish Beg. 1 - HW Check/HELP!
1.- In Mexico the question "¿qué tiempo hace" is better to use when you ask the amount of minutes, hours, etc, you take to go to one site to another, it is better to use: "¿cómo está el clima o el tiempo?, in English you are ...

spanish
I do not like the phrase I found because it does not have meaning, but the three words exists in spanish: sos apiles hispanohablante sos (in Argentina) conjugation of the verb to be, singular 2nd person. apiles - conjugation of the verb apilar, singular 2nd person, and the ...

Spanish III
Yes, that´s right. "Uno de los casos" no "Uno de los casas" casas=houses

Spanish III
I agree with Steve.

spanish
You and your brothers are sons of your father and mother, then Tus hermanos son los hijos de tus padres también.

Spanish
Mi madrastra = my mother in law

Spanish
There are two words: and adjetive and noun. Mi madrastra

Spanish check
We do not use, in México, "sois" only in Spain, then we say: ¿De dónde son ustedes?

spanish dos
It has not meaning. You give and answer when somebody ask a question, then you look out for an answer. Se buscan respuestas, por lo que a veces se trata de encontrar una respuesta diferente a ciertas preguntas. I don´t know if you copy these sentences well.

Spanish III Portfolio
In México, we usually use "incorporarse" when we select another way and become part of that "flow" of cars. Incorpórese a la CA-91 y diríjase hacia las ciudades ribereñas (not "playeras")

Spanish
There are a lot of "que" innecessary. Si yo fuera el gobernador de California, aumentaría los fondos para la educación. Me aseguraría de que los programas de lenguas extranjeras, y programas extracurriculares recibieran un aumento en el ...

Spanish writing
Creo que debe haber más control de armas. También creo (yo creo, I believe) que los violadores de control de armas (It is better to say: ... que aquellos que violan la normas de control de armas deben ser severamente sancionados. Porque el aborto, ya sea...(I ...

ALGEBRA
A line passes through the points whose coordinates are (c,3c) and (2c,5c).Assuming that c is not 0 find the slope of the line A-2 B-1/2 C1/2 D2

Spanish
4. ¿Has perdido la pelicula de Mr. Bean? (con el sentido de que no la has visto o te perdiste el verla)

Spanish
No, they are not grammatically correct, nor syntactically. 1. Como se llama la cosa que has comprado? Don´t forget the punctuation marks ¿Cómo se llama la cosa que has comprado? but, it is better ¿Cómo se nombra lo que compraste? 2. Tengo que ...

Spanish Fork
Elena is right but, why to make a physics question in the foreign language subject?

beginning spanish
Do not forget punctuation in the question. ¿Qué estudias? Estudio historia.

Spanish-Please check
Few mistakes: ¿Te gustaría quedarte en una pensión o en un hotel? ¿Por qué? (with a space between them) Me gustaría quedarme en una pensión porque (in the answer without a space) es menos cara que un hotel (You do not need to ...

spanish
One possibility is "vestir" A los niños les gusta vestir con muchos colores. (In this case with a verb) The children likes to dress with many colors. There is a little diference, by example: A los niños les gustan los lápices de muchos colores (...

Spanish
Missing some marks, and do not forget "ñ". ¿Te gustan los coches pequeños? Answer in plural. Me son igual los grandes o pequeños. or Me es igual. Coches pequeños o grandes son lo mismo. or Me gustan los coches pequeños porque...

Spanish
As Ms.Sue said try first. The first sentence can not be translated using "estar/ser" verb, all the next can be.

spanish/check please
But the sentences has no correct meaning. Mis hermanos y yo oimos hablar, unos minutos, en la cocina a ... (¿A quién? - whom?) and is better to use "escuchar" que "oir", then Mis hermanos y yo escuchamos hablar, unos minutos, en la cocina a ...

spanish/check please
Oir (present tense) Yo oigo Tu oyes el oye NOSOTROS (my brothers and I) oimos ellos oyen

Spanish-9th grade-Please help me
Sorry restaurant

Spanish-9th grade-Please help me
It is very unusual to use "merendar" (in México City) in that class of situation, we prefer use "comer", only thar word "comer", because we usually use "merendar" at home in the evening or when we find in a restorant (same time in...

spanish
As Ms.Sue says, what are your choices? The exercise is very simple. Ren´s answers are wrong. As an example: Yo ME pongo una gorra cuando voy a correr en la tarde. Yo ME pongo LA gorra... Yo ME peino a la moda. Try!

spanish time
I only use Son las siete y veinte. It is very unusual to use AM or PM coloquially (because you see if it is morning or evening time).

Spanish-Check please! I need help
It is better to use the verb "ver", in the second question (same as see and watch: "ver" and "mirar" or "observar") 2.- ¿Te ríes mucho cuándo ves a lo payasos?

Spanish-Check please! I need help
First of all, your spanish question are wrong (perhaps when you copy them wrogn. I am trying to figure out if someone tells you and you write them wrong), then I do not know if you are trying to say the same thing in your English traslation (I suppose these are correct). 1.- &...

Spanish-Help Please
First of all, your spanish question are wrong (perhaps you copy them), then I do not know if you are trying to say the same thing in your English sentences (I suppose these are correct). 1.- ¿Qué necesitas para comerte un plato con cereal? or ¿Qué ...

Spanish-3rd question
Some mistakes. First of all, the question ask "Cuáles" and this word is in plural, then "like -gustar" must be in concordance (gustan). Cuáles son de espectáculo que te gusta? Second, you forgot the interrogation mark: ¿Cuá...

Spanish-2nd answer
Try again. to role = representar un papel yo hago tu haces el hace nosotros hacemos ellos hacen ----------- they (the actors) ¿What are you going to do next week? going to (vas a) do (hacer) ¿Qué vas a hacer la semana próxima? I am going to go to ...

spanish
You forget the interrogation and the accent marks. ¿Te gustan los deportes? SÃ­, sÃ­ me gustan.

spanish
Yo pierdo Tu pierdes El pierde. Third person Nosotros perdemos Ellos pierden Present indicative, third person: pierde. El equipo pierde. Mientras un equipo pierde.

spanish
Un equipo pierde y el otro gana. Mike´s answer is correct. pierde. It´s better to say: Mientras un equipo pierde, el otro gana.

Spanish-8th grade
As SraJMcGin says you forget (also I do) the accent in "quién". You can use regional and language option (in you have a Windows System) and add a spanish keyboard, after that select it with keyboard shortcut or change settings language in the star bar. You can...

Spanish-8th grade
As SraJMcGin says you forget (also I do) the accent in "quiÃ©n". You can use regional and language option (in you have a Windows System) and add a spanish keyboard, after that select it with keyboard shortcut or change settings language in the star bar. ...

Spanish-8th grade
The second one is correct, in the case of first question both the question and the answer are wrong. Why you use "te", the subject is implicit in "buscas" (you - tu, second person, present tense). It is more simple, probably you make a mispelling mistake, ...

Spanish
The question must be: 1 ¿CuÃ¡les son las monedas de curso mexicanas de pesos? De 1, 2, 5 y 10 pesos.

Trigonometry
making correction in just the answer all procedures are well done !! Area = area of full circle * (θ/360) =πr^2*θ/360 =π 50^2*192/360 = 4188.79 ft^2

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