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Posts by alexus

Total # Posts: 56

Math
There are 45 M&M in the bag. Your brother ate 2/3 them. How many did he eat.

college algebra
In an ellipse. If the talker stands 15 feet from the wall and the distance from the middle of the room to the listener is 45 feet, then how wide (top to bottom) does the room have to be?

college algebra
in an ellipse. Assume the distance from the listener to the talker is 180 ft. If the distance from the talker, to any point on the wall, to the listener is 240ft, then what is the width of the room?

College algebra
If 70% of a radioactive element remains radioactive after 400 million years , then what percent remains radioactive after 600 million years? What is the half-life of this element

Life orientation
why

math
Thank you

math
whats the answer to this equation: 4+8x+2.2-10x if the lenght of a rectangle is 7 inches and the width is (x+2) inches. write an expression in simplest form that represents the area of a rectangle?

Maths
if what i posted wasn't your question sorry cause after i submited that i started thinking that it wasnt..........

Maths
the committee can be chosen in these different ways 4b 2g and it6 can also be 4g 2b in many other ways!!! 6b 0g 6g ob 3b 3g 5g 1b 5b 1b

chemistry
I need help. I have no clue how to find this. A flask is charged with 1.680 atm of N2O4(g) and 1.220 atm of NO2(g) at 25 degrees celcius. The equilibrium reaction is N2O4 <-> 2 NO2 After equilibrium is reached, the partial pressure of NO2 is 0.550 (a) What is the ...

math
plzzzzzzzz help!!!!!!!!

math
use the points in the diagram to name the figure? theres a line with .c and .d and the line has a arrow looking thing at the end

mATH
ARE THOSE THE ANSWERS

Art
What is the answer?

chemistry
How much heat (in kJ) is required to warm 13.0 g of ice, initially at -13.0 ∘C, to steam at 111.0 ∘C? The heat capacity of ice is 2.09 J/g⋅∘C and that of steam is 2.01 J/g⋅∘C.

Math 032
Jim is 7ft 9in tall. Jane is 22.3in tall. How many times taller than Jane is Jim?

English III
1)"On the occasion corresponding to this four years ago all thoughts were anxiously directed to an impending civil war. All dreaded it, all sought to avert it. While the inaugural address was being delivered from this place, devoted altogether to saving the Union without ...

Stats
Allen's hummingbird (Selasphorus sasin) has been studied by zoologist Bill Alther.† Suppose a small group of 17 Allen's hummingbirds has been under study in Arizona. The average weight for these birds is x = 3.15 grams. Based on previous studies, we can assume ...

Algebra 2
The projected population in thousands for a city over the next several years can be estimated by the function P(x)= x^3 + 2x^2 - 8x + 520, where x is the number of years since 2005. Use synthetic substitution to estimate the population. Also could anyone help me with the ...

chemistry 1
How do you write balanced equations A. Neutron emission by 88Br B. Electron absorption by 116Sb C. Positron emission by 184Hg D. Alpha emission by 229Th E. Neutron capture by 200Hg

Us history help please
Can someone check my work please? 1. In general, what happened to the price of sugar and rum between April and September 1777? The prices went up extremely high and that's what begin of the Boston tea party incident. 2.Why was this happening? Because they didn't have ...

Spanish help please
Can someone help me I really don't understand this and this is how far I got. 1.  ¿ De dónde es la paella?   Paella es más popular en el sur de España. 2. ¿Con qué se hace el flan?   El flan se hace al...

Spanish 2 help please
Can someone check my answers please? Provide the correct word (quién, quien, qué, que, como, cómo, cuánto, cuanto, cuántos, cuantos, cuando, dónde, donde) to fill in the blank for the following sentences: 1. Susana es de España ...

Spanish 2 help please
Can someone check my answers? Provide the correct word (quién, quien, qué, que, como, cómo, cuánto, cuanto, cuántos, cuantos, cuando, dónde, donde) to fill in the blank for the following sentences: 1. Susana es de España ...

spainsh 2 help please
can someone check my answers please? 1. Si yo Tuviera Hambre, Me volvería a comer (comer.) 2. Si el bebe Tuviera sueño, eL estaría en bed (dormir.) 3. ¿Que te necesito to (gustar) pedir? 4. Me loved (gustar) las pechugas de pollo. 5. Si yo fuera Tom...

Spanish 2 help
1. Si yo Tuviera Hambre, Me volvería a comer (comer.) 2. Si el bebe Tuviera sueño, eL estaría en bed (dormir.) 3. ¿Que te necesito to (gustar) pedir? 4. Me loved (gustar) las pechugas de pollo. 5. Si yo fuera Tom Cruise, i haría (ser) Famoso...

Chemistry (Stoichiometry)
Potassium superoxide (KO2)reacts in the following equation: 4KO2 + 2H2O +4CO2 =4KHCO3 + 3O2 If a person wearing an oxygen mask exhales 0.85 grams of CO2 every minute, how many moles of KO2 are comsumed every 10.0 minutes?

spainsh 2
1. Si yo Tuviera Hambre, Me volvería a comer (comer.) 2. Si el bebe Tuviera sueño, eL estaría en bed (dormir.) 3. ¿Que te necesito to (gustar) pedir? 4. Me loved (gustar) las pechugas de pollo. 5. Si yo fuera Tom Cruise, i haría (ser) Famoso...

spainsh 2
Provide the correct form of the conditional tense for the regular verbs in thefollowing sentences: 1. Si yo tuviera hambre, ________ (comer.) 2. Si el bebé tuviera sueño, él _______ (dormir.) 3. ¿Qué te _______ (gustar) pedir? 4. Me _________...

physics
Jackie exerts a 43 N horizontal force as she pulls a sled that weighs 140 N across a cement sidewalk at a constant speed. What is the coefficient of kinetic friction between the sidewalk and the sled?

Physics
A baseball goes from zero to 40 m/s in 0.159 s. What is its average acceleration? Answer in units of m/s 2

Physics
A car traveling in a straight line has a velocity of 6.03 m/s at some instant. After 6.89 s, its velocity is 10.6 m/s. What is its average acceleration in this time interval? Answer in units of m/s 2

Physics
A car travels in a straight line for 4.8 h at a constant speed of 63 km/h . What is its acceleration? Answer in units of m/s 2

US History and Constition
What is the purpose of the Monroe Doctrine ?

math
1) A light bulb producing company states that its lights will last an average of 1200 hours with a standard deviation of 200 hours. A sample of 100 light bulbs from the company were tested and the researcher found that the average life of each light bulb was 1050 hours. At a ...

US History and Constition
1. Eli Whitney intended his cotton gin to help eliminate slave labor. Why did it increase it?

US History and Constition
1. Eli Whitney intended his cotton gin to help eliminate slave labor. Why did it increase it? 2. What is the purpose of the Monroe Doctrine in a paragraph of at least 5 sentences? 3. By 1828 presidential electors were chosen by popular vote in every state except: _____________...

Probability and Statistics
For questions 6 - 10 use the chi-squared distribution to test the hypothesis. 6) A restaurant owner wants to see if the business is good enough for him to purchase a restaurant. He asks the present owner for a breakdown of how many customers that come in for lunch each day and...

Probability and Statistics
For questions 1- 5 use confidence intervals to test the hypothesis. 1) A light bulb producing company states that its lights will last an average of 1200 hours with a standard deviation of 200 hours. A sample of 100 light bulbs from the company were tested and the researcher ...

math
The probability would be 8 out of 10.

geometry
The altitude of an equilateral triangle is 6 units long. The length of one side of the triangle is ____ units.

english
I have to create a bio-magazine for English. What template or free software can I use to create the magazine

biology
im so confused with all of these okay so it tells me to do this table thing and the titles on the top are macromolecule,monomers, and function then it had beneath macro. carbohydrates, protein, lipids, and nucleic acids does anyone know how to explain this to me!

physics
A car traveling in a straight line has a velocity of 6.03 m/s at some instant. After 6.89 s, its velocity is 10.6 m/s. What is its average acceleration in this time interval? Answer in units of m/s 2

spanish
what

math
2.22222

math
convert to a mixed number 20/9

math
6/5 / 1/5

calculus
find the value of the derivative (if it exist) at the indicated extrema. 1. f(x)=x^2/(x^2+4) at (0,0) 2. f(x)=(x+2)^(2/3) at (-2,0)

9th grade
wat is 7m-3m-6=6 can you please tell me how you got that answer?

Geography
YES!!!!

English
3. Morales learned quickly, and soon he started winning junior championships. ANSWER: winning junior championships,(DO) Is number 3 direct object Ms. Sue!?!?

English
Write the gerund phrase in each sentence. Then indicate whether the phrase functions as a subject (S), an object of preposition (OP), a direct object (DO), an indirect object (IO), or a predicate nominative (PN). Are these Correct?! 3. Morales learned quickly, and soon he ...

English
Write the gerund phrase in each sentence. Then indicate whether the phrase functions as a subject (S), an object of preposition (OP), a direct object (DO), an indirect object (IO), or a predicate nominative (PN). 1. Pablo Morales became known as the comeback kid of Olympic ...

chemistry
A saturated solution of potassium chlorate is formed from 100 grams of water. if the saturated solution is cooled from 80 degrees celsius to 50 degrees celsius, how many grams of precipate are formed? Do you have a table that lists the solubility at 80 and 50 degrees C?

Voc.
I Neeed Help on Analigies Analogy~~~> A frog is like a bunny, they both hop. Ken's answer is totally wrong. This is an analogy ---> Light it to lamp as music is to ipod

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