Questions Asked on
January 21, 2020

chemistry
Complete combustion of a 0.40mol sample of a hydrocarbon, CxHy, gives 2.40 mol of CO2 and 1.60 mol of H2O. The molecular formula of the original hydrocarbon is Group of answer choices C2H8. C6H8. C9H16. C5H5. C4H7.
asked by Eric 
world history
Which option suggests the wideranging influence of the refugee Nazi scientists on US technology? These scientists designed missiles, but they also worked toward future applications of rocket science. These scientists developed the first working prototype
asked by anon 
Algebra
i have one more question, and i hope someone can help with this, because im absolutely lost for this one.: write the equation of a line that is perpendicular to the given line and passes through the given point. y+2 = 1/3(x5) ; (4, 3) i am so confused
asked by TACOS FOR LIFE 
Spanish
Elvira está aprendiendo a montar en bicicleta pero no tiene su casco. No debe hacerlo sin su casco. Por favor, no _[blank]_. ¿Qué palabra o frase completa la oración con el mandato informal negativo correctamente? 1. le permitas 2. permíteselo 3.
asked by bella 
Chemistry
Iron (III) Nitrate reacts with sodium carbonate to form a precipitate. Be sure to indicate oxidation states and the precipitate. Skeletal Equation: Ionic Equation: NET Ionic Equation: Balanced Equation: Spectator Ions: I got the skeletal equation, but I
asked by Veronica 
Spanish
If you wanted to say that something happened but you didn’t want to state who did it, which sentence would you say? Juana y Alberto se escribían poemas antes de casarse. Rosa y Gustav bailan salsa. Me compré un boleto de ida y vuelta. Arturo, aquí
asked by bella 
precal
Find f(x) and g(x) such that h(x) =(f o g)(x) given h(x)=(2x+8)^7
asked by jill 
history
What is a similarity between indigenous peoples of Paraguay and those of the US? a) Both countries have nineteen recognized indigenous groups. b) An indigenous language is the official language of each country. c) The indigenous population of each country
asked by bella 
Algebra
An electronic store makes a profit of $72 for every television sold and $90 for every computer sold. The managers target is to make at least $360 a day on sales from televisions and computers. Let x = the number of televisions sold. Let y = the number of
asked by Crazy Guy/Gal 
Career
A/V professionals might work in a large event center, like a sports arena. True or False Is it true? A college career counselor working at a community college is part of what career area? Administration Professional support services Teaching and trading
asked by JD 
English
Which part of a plot contains the most tension and shows the characters facing a conflict? rising action resolution exposition climax I think its the climax but Im not sure can some pls help
asked by Liya 
Math
Three times a number increased by seven is less than eleven
asked by Julie 
science
What materials or substances that can be both beneficial and detrimental at the same time? ( to the skin or earth)
asked by Yo mama 
Algebra 2
Given the functions, f(x) = x2 + 2 and g(x) = 4x  1, perform the indicated operation. When applicable, state the domain restriction. g(f(x)) 4 x2 + 1 16 x2 + 3 4 x2 + 7 16 x2  8 x + 3 Please help. I thinks that it is 16 x2 + 3. Thanks
asked by Taylor 
Math
Multiply the binomial and the trinomial: (x – 5)(x 2 + 5x + 25 step by step
asked by sAd_tEA 
English
What is indirect characterization? A.the influence that a character’s traits has on the other narrative elements B. the way that plot events influence a character’s traits C.describing a character’s traits using explicit details and adjectives D.
asked by nini 
math
Simplify the expression. 2y−5(y−3)=
asked by kyanne 
Chemistry
Two reactions that occur in the production of iron (Fe) are 2 C + O2 → 2 CO followed by Fe2O3 + 3 CO → 2 Fe + 3 CO2 . Note that the carbon monoxide (CO) formed in the first reaction is then used in the second reaction. According to these equations, how
asked by Esmeralda 
history
help please 1. Which of the following factors helped trade to thrive during the Roman empire? Select the three correct answers. A. peace throughout the empire B. a shared religion throughout the empire C. a language similar to that of trading partner
asked by moogade eh eh dogide 
English
My teacher said to "Submit the image of your chosen object with caption. Enclose basic information about the object and three bibliographical sources from the website.", but I don't understand what it means by bibliographical sources . Does it mean the
asked by Lee 
Biology
Draw the map of Nigeria showing the location of the local biotic communities i.e forest Savannah and the desert
asked by Favour 
chemistry
In the reaction: Mg3N2(s) → __Mg(s) + N2(g) a) the coefficient in front of the product magnesium is 2. b) the coefficient in front of the product magnesium is 3. c) the subscript with nitrogen gas is 3. d) the equation is balanced as written.
asked by I need help quickly!! 
Maths
The total expenditure of a household is partly constant and partly varies directly as a size of household find the equation connecting d and s if when Q=300 and when d=400 and s=6
asked by Anonymous 
English
how does the setting of To Kill A Mockingbird influence the characters' traits, emotions, and motivations
asked by Kaitlyn 
Algebra
I can't understand this. Simplify using only positive exponents: (a2b[]7c4)/(a5b3c[]2) Please help ;_;
asked by Madi 
Math
Frank's measuring cup holds 4 1/2 gallons of liquid. If there are 5 quarts in the measuring cup now, how many more quarts does Frank need to add to fill the measuring cup to capacity? A. 4 quarts* B. 9 quarts C. 13 quarts D. 18 quarts
asked by ummm 
science
Assume that the batteries in the flashlight are rechargeable. What energy conversion would have to take place in order to recharge the batteries? is it electrical to chemical energy?
asked by Elizabeth 
Spelling
Student: V/CV or VC/V ?
asked by Kyana 
math
Nico is saving money for his college education. He invests some money at 8%, and $1800 less than that amount at 5 %. The investments produced a total of $261 interest in 1 yr. How much did he invest at each rate?
asked by rob 
Math
"Decide whether the following relations on Z is an equivalence relation or not. If it is, describe the partition (i.e. the equivalence classes) of Z created by the relation."  What does it mean by "describe the partition..."? For example, let a, b be
asked by Kid 
Programming
WAP to check if number is in array using VBA. Dim a(4), n, no As Integer Console.WriteLine("Enter a no.") For n = 0 To 4 a(n) = Console.ReadLine Next Console.WriteLine("Enter a no. to search") no = Console.ReadLine For n = 0 To 4 If a(n) = no Then
asked by Raj 
Maths
Four interior angles of a pentagon are(90a),(90+a),(1102a),(100+2a)find the fifth size
asked by Mary 
Math
A shopkeeper marked a prices of an article a certain percent above the cost prices and he allows 16 percent discount to make 5 percent profit if a customer paid 9492 with 13 percent vat to buy the article,by what percent is the marked prices above the cost
asked by Smarika 
Programming
WAP to reverse an array of integers in VBA. Dim a(5), n As Integer Dim b = 0, e = n  1, temp As Integer Console.WriteLine("Enter a no.") For n = 0 To 5 a(n) = Console.ReadLine() Next For b = 0 To n / 2 temp = a(b) a(b) = a(e) a(e) = temp e = e  1 Next
asked by Raj 
Math
What fraction is equivalent to 4%? 1/50 2/25 1/25
asked by potato 
Algebra
i suck at writing equations in point slope, can somebody help me out with these 2 questions? 1: write an equation in point slope form for the line through the given point with the given slope. (4,6); M= 3/4 i will post the next question if and when this
asked by I like soda 
Science
Raising livestock and burning trash are two examples of human activities that have an impact on water resources. Select one and construct an argument about whether its effect on water resources is positive or negative. Support your answer with evidence and
asked by DONTWORRYABOUTIT 
Math
Note: Enter your answer and show all the steps you used in the space provided. The distance between Milltown and Summerville is 3.5 inches on a map. If the map scale is 1 inch = 20 miles, what is the actual distance between the towns?
asked by Lyla 
Java Programming
1. Which of the following is not the name of a Java wrapper class from the Java API? A. Byte B. Int C. Long D. Boolean* 2. Which of the following statements will cause a compiler error? A. Integer i = new integer ( ) ;* B. Integer j = new integer ("5") ;
asked by Nick Torres 
math
Which is the first step in bisecting
asked by Connexus 
Social Studies
How is a person's caste determined? A.religious faith B.intellectual ability C.family status and occupation D.income and education please help this was the only question that caught me off guard :p
asked by Tay 
Math
Given the quadratic : 2;5; 10; 17 . Calculate the n^th term of the quadratic sequence
asked by Leeto 
Math
Write the geometric series 9+3+1..... to 130 term in sigma notation
asked by Leeto 
Physics
Imagine two billiard balls on a pool table. Ball A has a mass of 7 kilograms and ball B has a mass of 2 kilograms. The initial velocity of the ball A is 6 meters per second to the right, and the initial velocity of the ball B is 12 meters per second to the
asked by Rain 
Math
Given the quadratic : 2; 5; 10; 17 .. . Calculate the n^th term of the quadratic sequence
asked by Leeto 
math
I need help asap, the item you are getting is 95$, the item went on sale for 20% off what would your new price be?
asked by Elijah 
Geography
1) Sheep originated in the Central Asian agricultural hearth over 9,000 years ago, but today are found in other places such as North America. This phenomenon is best explained by A. diffusion. B. breeding. C. migration. D. climate change. E. transhumance.
asked by reddit user 
English
You will be assessed on your independent reading selection on quizzes and tests true or false i think true but i am not sure
asked by nonya 
Math
Find the product. 3. 8 2/5 * 5 1/2 A. 46 1/5 B. 40 1/5 C. 40 D. 40 2/5 4. Evaluate the expression for x=3 3/4 8x + 8 a. 30 b. 128 c. 14 d. 38 5. A bag of fertilizer weighs 6 1/2 lb. How much does 1 1/3 bags of fertilizer weigh. A. 5 1/6 lb. B. 6 1/6 lb. C.
asked by 11182007 
chemistry
K2+1CO32–(aq) + Sr2+(NO3–)2(aq) → SrCO3(s) + 2K+NO3–(aq). What is the net ionic equation for the reaction? a) 2K+(aq) + 2NO3–(aq) b) 2K+1(aq) + CO32–(aq) + Sr2+(aq) + 2(NO3–)(aq) → SrCO3(s) + 2K+(aq) + 2NO3–(aq) c) This is a combustion
asked by I need help quickly please 
chemistry
When chlorine gas is added to an aqueous solution of sodium fluoride (aq) a) fluorine gas is produced. b) a synthesis reaction takes place. c) no reaction occurs. d) sodium chloride is produced.
asked by thisfoolneedshelp 
Math
what is y= 3/4 x6 in standard form with integers?
asked by I like soda 
Setswana
Tsala ya Gago e falotse moPhato was marematlou ka Naledi. Mo kwalele lekwalo o Mo akgole
asked by Thuli molefe 
Social Studies
Why did Nero persecute Christians? I have a test coming up, and this is one of the things I forgot. Don't worry! Im just checking if I haven't actually forgot! Also, how was your day?
asked by Serendipitii 
Algebra
are these 2 equations for lines perpendicular, parrel, or neither?? i dont understand how to solve line equations very well.: y= 2/3 x +1 2x  3y= 3
asked by TACOS FOR LIFE 
Math
You want to construct a segment XY congruent to segment AB. The first step is A. Put the point of your compass on point A. B. Measure the length of AB. C.Construct a ray with endpoint X. D.None of these.
asked by Live 
science
A machine whose mechanical advantage is 3,lifts a load of 30 N.What effort is applied to the machine
asked by john 
Math
Anna has N300 and Ojo has N1860 if Anna saves N50 a day and Ojo spend N70 a day after how many days will they have equal amounts
asked by Ify 
Math
How can you model division by a mixed number?
asked by MC 
spanish
Which of the following is NOT true for the 'se' impersonal grammar structure? The subject is a person It expresses general actions that regularly happen The verb is conjugated for the object It expresses general actions that regularly don't happen is it C?
asked by bella 
math
The carrying compartment on Peggy's moving van measures 6 feet high by 6 feet wide by 10 feet long. How many boxes, each 1 cubic foot in volume, can be packed into this cargo space?
asked by Osarhemen Igbinosun 
spanish
Which of the following is NOT a step in forming a formal command in Spanish? Ignore any yo form changes Take the yo form change is there is one Add the opposite ending add an 'n' if you are commanding multiple people A?
asked by bella 
Algebra
hi friends, i have another question that i could use some help on for my semester exam. how many solutions does this system of equations have? 3x + 15y =35 and y= 1/5x + 7/3 i hate these kinds of probloms and could really use some help
asked by Happy DOGE :) 
Math
(7x5)(3x2)
asked by Dinah 
Research
about how many Cherokees died of smallpox in1745
asked by lindsey 
Algebra
HI PEOPLE. IM ON MY LAST QUESTION AND DONT get it. can someone help? this is the last question... what is the solution of the system? y= 13x  1 y= 9x +4
asked by Happy DOGE :) 
Algebra 2
If ƒ(x) = 2x, then ƒ 1(x) = ½ x x  2 2 x I think that the answer is 1/2x...please check...thanks
asked by Taylor 
Math
600.00 at an interest rate of 6% for five years
asked by SHAWNDE 
math
write each time period as a mixed number and as an improper fraction 1. 2 h 45 min 2. 3h 30 min 3.7h 10 min
asked by keoni benner 
Psychology
The teacher wants to know if spanking relates to behavior problems in children. She wants to find a group of parents who spank their children and another group who does not. What is the Independent variable? Spanking What is the dependent? Children’s
asked by Anonymous 
math
During two years, the population of birds of an island became 7 times more than before. If the first year increase in the population was 40% , what was the percent increase of the second year? Who asks questions about birds on an island? Anyways, I need
asked by pls help meh 
English
What is a metaphor for the word confused?
asked by Me 
Physics
A driver in a truck applies the brakes to come to a stop at a red light. Just before braking, the truck's initial speed was 15 m/s, and it was moving in the north direction. What was the truck's average velocity during braking? Assume the acceleration
asked by HELP PLEASE 
Physics
Block A has a mass of m. It is lifted from point 1, placed on an icy platform with height h (point 2), and is pushed for 0.25 by a student until point 3 (the student has stopped exerting force after point 3, whereafter the block continues down a decline
asked by Sara 
Physics
Why does it take energy to separate positive and negative charges in a cell?
asked by Jimbo 
math
what is a yintercept
asked by carlee 
chemistry
TSA only allows 3 fl oz of a substance. What is the maximum amount in grams of a perfume with a density of 0.789g/mL that will be allowed on the plane.
asked by Stephanie 
chemistry
Iron levels typically decrease when a woman is pregnant. During a routine checkup the Doctor finds that a woman in her 3rd trimester has 1.40 x 108 g of Iron in a 1 mL sample. If the safe range of iron for women during her 3rd trimester is 0.0950.150 ug
asked by Stephanie 
math
URGENT a coin bank contains dimes and quarters. the number of quarters is five less than four times the number of times. the total amount in the bank is $6.45. find the number of dimes in the bank.
asked by ximena 
math
In the recent century, the Belgium population grows following the logistic equation. Predict its population in 2020 given the following data: Year 1900 1950 2000 Population (mil) 6.69 8.64 10.24
asked by maath 
Science
More than 100 locations were not listed in Figure 1 because the amino acid was the same in all eight species. One possible explanation is that no mutations occurred in the codons for those locations. Suggest another possible explanation. It can't be a
asked by HELP 
math
how to to add 876 to 678
asked by saroot 
Accounting
debited J.stols with commission for services rendered on this behalf for R200
asked by nono