Questions Asked on
January 29, 2019

chemistry
Zn + 2HCl > ZnCl2 + H2(g) What mass of zinc is needed to produce 115 mL of hydrogen? t's given 115 mL of hydrogen, so can convert to 115/1000/22,4 = 0.0051 moles H2  the ratio between HCl and H2 is 2 : 1, so the moles of HCl needed for this reaction is
asked by Shine bright shine far 
Physics
During launches, rockets often discard unneeded parts. A certain rocket starts from rest on the launch pad and accelerates upward at a steady 3.45 m/s2 . When it is 250 m above the launch pad, it discards a used fuel canister by simply disconnecting it.
asked by Emiko 
Math ! Pythagorean Theorem
A rectangle is 24 cm long and 7 cm wide. How long is the diagonal of the rectangle?
asked by Lani 
Physics
A motorist traveling at 72km/h had his eyes shut for 0.4s during a hard sneeze. Calculate the distances covered by him during this time.
asked by Adebola 
P:E
Decide which of the following physical activities incorporates stretching on a regular basis A soccer B yoga C aerobics D tennis
asked by P:E 
history
Poetry, folk tales, and wise sayings are examples of what? A. proverbs B. oral traditions C. ******* riots D. rituals
asked by panda 
Maths
If m times the 'm'th term of an A.P. be equal to n times the 'n'th term, show that is (m+n)th term is zero.
asked by Satish 
History
Which of the following is an example of cultural diffusion in the religion? A. Requirin strict adherence to Sharia B. Women perusing careers outside the home C. Wearing the hijab in public *** D. Observing traditional religious practices My answer is C
asked by Banana 
help
Assume that a set of test scores is normally distributed with a mean of 8080 and a standard deviation of 55. Use the 689599.7 rule to find the following quantities.
asked by Anonymous 
Maths
The arithmetic mean of 10 terms is 24, while arithmetic mean of last 8 term is 20. Find arithmetic mean of first two terms.
asked by Satish 
math
Pepsi products were five 12packs for $14.75. How much will Marc's have to lower the price of Pepsi Products per 12pack box to equal Coke's sale price per box?
asked by Unknown User... 
algebra 2
. Is there any bias in the survey question? Explain. What do think would help students pay more attention in class? i don't understand what i am supposed to answer to this
asked by jessie 
math
Solve the quadratic equation x2=25/36.
asked by logan 
physical health education
what are the branches of health education
asked by james 
Math, help asap!
The circle graph shows the distribution by age group of licensed drivers in the US in 2003. If there were approximately 196 million licensed drivers in 2003, which is the closest to the number of drivers in millions who were less than 30 years old? Circle
asked by Vixen  Connexus 
Science
Brass gets discoloured in air because of the presence of which of the following gases in air? A. Oxygen B. Hydrogen sulphide C. Carbon dioxide D. Nitrogen
asked by Squirrelheart 
Math
And angle measures 47° what are the measures of the angles complement and supplement a complement 43 supplement 133 complement 133 supplement 43 complement 53 supplement 143 complement 143 supplement 53 I chose a
asked by Bessie 
math
The carnival ride tickets cost $5 each. Let C(n)=5n be the amount of money you spend on n tickets. What is the domain of this function.
asked by Maria 
Analytical Chemistry
The solubilityproduct constant for Ce(Io3)3 is 3.2 x 10^10. What is the Ce^3+ concentration in a solution prepared by mixing 50.0 ml of 0.0500 M Ce^3+ with 50.00 ml of a. water b. 0.050 M Io3 c. 0.150 M Io3 d. 0.300 M Io3
asked by Hyein Mun 
Physics
A spring of force constant 1500N/M is acted upon by a constant force of 75N.Calculate the potential energy stored in the spring.
asked by Rilwan 
Social Studies
Which of the following was the Catholic Church's response to the development of protestantism? A. It lauched the Reformation. B. It removed the pope as head of the church. C. Its leaders began the CounterReformation. D. It eliminated the inquisition. I
asked by UnKnown 
Science
1. Which of the following is not a function of the circulatory system? Breaks down large molecules delivers oxygen to blood cells takes carbon dioxide away from body cells **Fights infection**
asked by 444 
Math
ST=38ft;RT= A. 38ft B. 19ft C.76ft ** D. 96ft
asked by kyra 
Social Studies
How has Mexico's culture been shaped by cooperation among different people? Be sure to name the groups involved in the cooperation, describe the cooperation, and explain how the cooperation shaped Mexico's culture.
asked by Hi😱 
capella
A well known nonparametric analysis procedure for working with nominal levels of measurement where only frequencies (counts) and reflected in the formula
asked by shawn 
English
Okay, this is going to be a bit hard. Do any of y'all know AwesomestAsh? It's her username on Wattpad. My English teacher is making everyone write a paper about someone we know online. I have nothing so far. I know her pretty well, but my English teacher
asked by Barry Vacker 
ELA
Which of the following usually gets a source note on the same page it appears?
asked by Terrell 
History
How did Asian societies influence trade and exploration during the Age of Discovery? (57 sentences)
asked by faith 
Language arts
What are some good interdependent reading books? I am thinking Warriors Cats.
asked by Squirrelheart 
Math ! Pythagorean Theorem
A 26meter guy wire is attached to an upright pole 24 meters from the ground. How far from the pole must the wire be anchored in the ground? Looking for the hypotenuse.
asked by Lani 
Science
How are seamounts like the Rockies a bath or forms of mountain be both are made from the same kind of rock see both are connected to the oceans continental shelf day both are easily wrote it by water answerisvA
asked by Jack 
math
If there are 60 sixth graders, how many sixth graders owned cats?
asked by Annie Jordan 
History HELP ASAP
After the Civil War, how did the railroad unite Texas? A. Houston was connected to the rail system. B. By 1890, every large city in Texas was connected by at least two rail lines. C. Texans pulled together to create a statewide effort to build an efficient
asked by @OfficialOliviaB. 
Math
There are 3 red paper clips, 5 yellow paper clips, and 6 silver paper clips in a jar. What is the ratio of the total number of paper clips to the number of red paper? I NEED ANSWERS TO THIS MATH UNIT 1 TEST GIMME 20 ANSWERS 😭😭😭😭🤣
asked by Jordyn! 
math
there are 6 bars of chocolate to be share equally among 4 children. how much does each children get?
asked by akeem 
math
a cake weighs 3kg, it is cut into 6 equal pieces. What is the weight of each piece?
asked by caleb 
Ela
How do the author’s feelings change in “ the season’s Curmudgeon sees the light?
asked by Maru 
geography
People in the Netherlands build dikes and reclaim lands from the sea that they call_____ a. peat bogs. b. estuaries. c. polders. d. reserves.
asked by cool cat 
math
Match the account balance with the debt that it represents. account balance = −$22 account balance > −$22 account balance < −$22
asked by Isabel 
algebra
1/4 times 1/2 = 4d
asked by lucas 
math
When one rents an apartment, one is often required to give the landlord a security deposit that is returned if the apartment is undamaged when you leave. In some localities, the landlord is required to pay the tenant interest once a year compounded yearly.
asked by Melissa 
Math
What is the missing Sequence of 30,____,19, 13 1/2
asked by Brian Salas 
Calc 3
Find a parameterization for the curve (1,2) and (4,5). r(t)= where _
asked by ally 
Calc 3
Show that the projection into the xyplane of the curve of intersection of the parabolic cylinder z=1−2y^2 and the paraboloid z=x^2+y^2 is an ellipse. Find a vectorparametric equation r→1(t)=⟨x(t),y(t),z(t)⟩ for the ellipse in the xyplane.
asked by ally 
Chemistry
What hydroxide concentration is required to (a) Initiate precipitation of Ag2CrO4 from a solution that is 2.12 x 10^3 M in Ag+? (b) lower the Al^3+ concentration in the foregoing solution to 1.00 x 10^9
asked by Sheila 
Math
A chocolate company produces different sizes of chocolate bars that are packaged in equilateral triangular prisms. Here is the 100g chocolate bar. Height 3.1cm Lenght3.5cm Wide 21cm a. Calculate the volume of the box. b.The company produces a 400g
asked by Anonymous 
maths
why is peppa pig pink
asked by peppa pig 
Math
a rectangular box with dimensions of 2 1/2 cm x 2 cm x 1 cm
asked by fancydenali 
Math
What shows relation between two or more quantities? A: Fraction B: Whole Number C: Decimal D: Ratio
asked by Anonymous 
Science
How do the traits of offspring of asexually reproducing organisms compare to their parents
asked by Sam 
Geography
Which inference about Near Eastern cultures is the best supported by this image?
asked by Michael 
Literature Study
The narrator and his four friends share living quarters with: many others nosy people their parents the sixth*** This is the short story fellowship please help
asked by ChikenNugget 
maths
1.0dm3 of distilled water was used to wash 2.0g of a precipitate of Agcl. If the solubility product of Agcl is 2.0x10^10mol^2dm^6 what quantity of silver was lost in process?
asked by $$ swagzy$$ 
ALGEBRA 1
I really don't understand please help with answers and explanations. Follow the instructions for the following inequalities. 1. 42 Add 5 to both sides, then add 3, then add (4) 3. 4
asked by kj 
Science help asap!
Which do the following is an example of constructive force? A: buildings collapse in an earthquake** B: river erosion within the Grand Canyon’s rock walls C: weathering of a mountin due to rain. D: a volcanic eruption.
asked by Didy 
sc history
PLEASE HELP AND FAST (use two examples) some historians say that the attacks by the abolitionist actually strengthened sectionalism in the south instead of weakening it. how might the abolitionist have been contributing to the tension arising over slavery?
asked by my name is jeff ... 
STAAR
So this isn't about anything really, but, what is STAAR like for online school? Thanks in advance. (STAAR = State of Texas Assessment of Academic Readiness)
asked by ER98 
Geography
Most of Canada's tourists are? A.French B.Russian C.American D.from warm climates
asked by Bro 
Math
Help which line is parallel to be in the diagram APBALCLEDAP I have my answer LELE is that right
asked by Jasper 
HELP ME PLS CAREER PLANNING
10. What are the Holland Codes? (1 point) A. Assertive, persuasive, systematic B. Physical, security, social, ego, self actualization C. Realistic, investigation, artistic, social, enterprising, conventional D. Verbal, visual, tactile,
asked by memes 
Math
What is the volume of a rectangular prism with the dimensions: base 3 1/4 cm, 2 1/2 cm, 4 1/2 cm? Please Help Me!
asked by First Woman Football Player 
social studies
These two world powers struggled against each other in what is known as what? A. World War II B. The Great Depression C. the civil rights movement**** D. The Cold War
asked by need helppppp 
social studies
Drag and drop the events to arrange them from the event that occured first to the event that occured last. This happened first: Colonial leaders sign the Declaration of Independence. This happened next: British soldiers and American colonists clash in
asked by need helppppp 
Science
Which of the following is not a method by which minerals form a crystallization BD crystallization see water evaporation from a solution see cooling of magma or lava I pic c?
asked by Me 
Maths
Find the value of x and y if (x+2y)+i(2x3y) is conjute of 5+4i.
asked by Gash 
Maths
Find the real number x if (x2i)(1+i)is purely imaginary.
asked by Gash 
Science
How does cycling of matter occur in earths mantle
asked by Me 
Science
Mount twin peaks located in northern Vancouver Island irrupt did 3 million years ago and it has not erupted since then mount Twin Peaks is most likely a doormat be active see extinct the stationary my answer is C
asked by Me 
Science
The diagram below shows the present day location of South America and Africa remains of the extinct reptile math acquire us have been found in both locations which statement is the most logical conclusion to draw from this evidence a mile service garage
asked by Me 
science
Explain the 3 differences in the chart below: Flowers Cones Spores 1. 1. 1. 2. 2. 2. 3. 3. 3. I am not sure what the differences between them are, if someone could explain that would be helpful
asked by Beebop 
Science
Please help me! I am trying my best! But Science has never been my strong spot....i already have my answers down, i just want to check them! I will take any help that I can get! #1) How does the earths rotation cause day and night? A) As earth rotates
asked by Dummy 
Science
Which of the following concepts earths plates to move continuously a glacial deposit earths magnetic field convection in the earths mantle radiation in the earths core
asked by Me 
History
What is a person who holds a belief that is not accepted by other members of his or her faith? a) heretic b) patriarch c) apostle d) martyr I think its d.
asked by nikki 
Science
To locate the epicenter of an earthquake a seismologist must determine all of the following except add the difference between arrival time is the PNS waves seismographic dad up from the side seismograph location distance from the epicenter to at least
asked by Me 
SCIENCE
Please help me! I am trying my best! But Science has never been my strong spot....i already have my answers down, i just want to check them! I will take any help that I can get! #1) How does the earths rotation cause day and night? A) As earth rotates
asked by dummy 
History
Which of the following was unintended consequence of censorship during the renaissance? A. People wanted to read more religious texts B. Only clergy has access to books C. People began to criticize the church D. People no longer wanted to learn to read I
asked by Berry Afraid 
science
If a black guinea pig with the genotype Bb mates with a white guinea pig with the genotype bb, is there any change their offspring will be both black and white? My answer was that there was no chance.
asked by poof 
History
Drag the word into the right box into the sentences. Words may be used once or not at all. Options: Jewish, Christian, Muslim, and Buddhist Most people living in Southwest Asia are________ The majority of people living in Cyprus however are________ And the
asked by Banana 
Math
The second and fifth terms of a geometric progression (G.P) are 1 and ⅛ respectively. Find the: A, common ratio; B, first term; C, eighth term.
asked by Best 
History
Can someone please check my answer thanks. use the dropdown menu to complete the sentence. brought Islam into India in the late 1100s. A.Arab armies*** B.Muslim Turks C.Mongols D.Sikhs
asked by Alaia 
geometry and mensuration
a bicycle wheel hasa daimeter of 63cm.find the circumference,distance the wheel travel in 1000 revolution
asked by olayinka 
social studies
Which demographic challenge is Europe currently experiencing? A. an aging and decreasing population B. a baby boom C. an unequal distribution between males and females D. a large group of teenagers moving through the school system what's the
asked by hahaha 
ELA
Which details in “Mother to Son” point to the conclusion that the mother has had a hard life? A. She declares that she has been “aclimbin' on.” B. She says that life has had “tacks in it, / And splinters.” C. She warns, “Don't you set down
asked by HobiHoe 
Linear Algebra
Let f(t) = 5+t, g(t)=5t and h(t) = t^2. Find real numbers x1, x2, x3 so that x1*f(t) + x2*g(t) + x2*h(t) has roots t1 = 2 and t2 = 3
asked by Porsche 
math
A rectangular prism has length of 10.4 millimeters, width of 5 millimeters, and height of 8 millimeters. What is the volume of the rectangular prism? i know its short but i realy need help
asked by Anonymous 
math
There are 70 marbles in the bag. The bag has 37 green marbles, 24 red marbles, and 9 yellow marbles. Silas selects a marble from the bag 20 times, and of those he picks a green marble 13 times. What is the experimental probability of selecting a
asked by A'mya 
Physics
Which of the following is contained in a shovel? inclined plane and a wedge wedge and lever wedge and pulley pulley and inclined plane
asked by Willowmaker 
Physics
How is work affected when an object is lifted straight up instead of using a ramp? Work will increase. Work will decrease. Work will stay the same. Work will depend on the mass of the object.
asked by Willowmaker 
Government
Has the Supreme Court acted legitimately in creating and interpreting the right of privacy? Use Case law to justify.
asked by Matt 
further math
The fifth term of an exponential sequence (g.p)is greater than the first term by 13 and the half and the first term is greater than the third term by 9.find the common ratio and the first term
asked by uche 
Give the definitions
Black blizzards * Black Tuesday * Boom * Bust * commodity * conglomerate * draft * Dust Bowl * Economic Recession * Fiscal Conservatism * Great Depression * Labor Unions * Neutrality * New Deal * Petrochemical * Prohibition * Sharecropper * Suffrage *
asked by OliviaB. 
World History
What geographic feature most likely helped rome become a site of encounter? A. Arabian Peninsula B. Atlantic Ocean C. Mediterannean Sea D. Sahara Desert My choice is C.
asked by David S. 
Math
A2) y19=21 A3) y68=229 B3) x+6=17 I'm confused on the first two the most. My math teacher did y12=25 for the example, but I still don't get it. For the last one, I have x+66=176 so far.
asked by Barry Vacker 
math
need help math proportions lesson 3 question 5
asked by ben 
Math
I don't get this at ALL. I don't really need to solve it because it's a bonus question. But I would still like to solve it, because my math teacher is going to give candy out to the people who get this right. 2x^2 + 9x + 5
asked by Barry Vacker 
Math
Leslie will use more than 1/2 cup but less than one whole cup of flour for recipe what fraction of a cup might Leslie use
asked by Anonymous 
English
This is about Dr. Shirley Ann Jackson, so if you don't know who she is, then it's alright. What is a character trait that would define his/her life?
asked by Barry Vacker 
History
Which of the following were actions that motivated Radical Republicans to seek the impeachment of President Johnson? Choose all that apply. A. President Johnson encouraged former Confederate states to reject the Fourteenth Amendment. B. President Johnson
asked by Anonymous