Questions Asked on
January 12, 2017

algebra
It took Todd 11 hours to travel over pack ice from one town in the Arctic to another town 330 miles away. During the return journey, it took him 15 hours. Assume the pack ice was drifting at a constant rate, and that Todd’s snowmobile was traveling at a
asked by myra 
physics
A car, starting from rest, accelerates in the +x direction as in the figure. It has a mass of 1.10 × 103 kg and maintains an acceleration of +4.40 m/s2 for 2.60 s. Assume that a single horizontal force (not shown) accelerates the vehicle. Determine the
asked by Tyler 
physics
A simple U tube contains mrecury. When 13.6cm of water is poured in one arm caculate the rise of mercury in the other arm
asked by favour 
Geometry
Find the distance CD rounded to the nearest tenth C =(10,1) and D =(6,3) CD = ?
asked by Angela 
Physics
pressure of a fluid. calculate the a.) absolute pressure b.) gauge pressure at an ocean depth of 1000m. Assume the density of a sea water is 1024 kg cubic meter and that the air above exerts a pressure of 101.3kPa
asked by Gen 
algebra
An inequality is shown below: −np − 3 ≥ 7(c − 4) Which of the following solves for n? n ≤ − the quantity 7 times c minus 31 all over p n ≤ − the quantity 7 times c minus 25 all over pmy choice n ≥ − the quantity 7 times c minus 31
asked by katrina 
Precalculus
Every point in the plane has exactly two polar coordinates. A)The statement is true because every point in the plane has a unique polar representation. B)The statement is false because left parenthesis r comma theta right parenthesis equals left
asked by Brian 
math
Let A = (0,0,0), B = (9,8,12), and C = (6,2,3). Find coordinates for the point on line AB that is closest to C.
asked by anonymous 
physics
What mass of ice at 14°C will be needed to cool 200cm³ of an orange drink(essentially water) from 25°C to 10°C?
asked by ayo 
Science
lesson 9: energy and the environment unit test science 8 A Unit 4: Energy and the environment Please HELPPPPPP!!!!!!!
asked by Jake 
Algebra 2 check my answer please?
The population of a bacteria in a Petri dish doubles every 16 hours. The population of the bacteria is initially 500 organisms. How long will it take for the population of the bacteria to reach 800? Round your answer to the nearest tenth of an hour. 8.7 h
asked by Anabel 
Math
Help me Bobpursley is dumb Serge invests $700 at 5.75% per year, compounded quarterly. When the account is closed, its value will be $950. How long will Serge’s money be invested?
asked by Peter 
Graphing in the coordinate plane unit test
SO behind need help pronto withGraphing in the coordinate plane unit test lesson 12 unit 7 tryed my self my mom tryed it brother u name it to hard for 7th grader and a striaght student like me no asking to cheat ms. Sue or whoever need answer ill be so
asked by straight A student 
Math
What is 4/7 in words?
asked by Achie 
Pampers
A number is multiplied by 4 and 6 is subtracted from it . The result is the same as when the number is increased by 15. Find the number
asked by Amara 
Math
Kaya pasted 3 rows of photos on each of 5 pages of her scrapbook. She put 2 photos in each row. How many photos are in Kaya's scrapbook?
asked by Anonymous 
Math
Serge invests $700 at 5.75% per year, compounded quarterly. When the account is closed, its value will be $950. How long will Serge’s money be invested?
asked by Peter 
SS
Which of the following to the Supreme Court rule in Plessy versus Ferguson a the segregation to continue B the actions of the Ku Klux Klan members would be protected as freespeech C the freedom AfricanAmericans have the right to vote D the black codes
asked by Hey ms.sur I need help 
Science
Some people prefer to use herbal medicines how will you know if they actually work? Thanks.
asked by Ellen 
Chemistry
0.001N NaoH calculate the ph
asked by Rupesh 
financial management
Data for Barry Computer Company and its industry averages follow: A. Calculate the indicated ratios for Barry. B. Construct and extend DuPont evaluation for both Barry and the industry. C. Outline Barry’s strengths and weaknesses as revealed by your
asked by mery 
algebra
Simplify using long division.Show all work. (724x^2+8x^336x)/(x3) Also,please solve (8b^36)/(2b1) I greatly appreciate your help.
asked by Jack 
Math
Chris had a tin of 24 cookies. He has eaten 1/4 of the cookies. How many cookies has he eaten?
asked by Alexa 
math
For what values of r does the function y = erx satisfy the differential equation y'' − 6y' + 3y = 0?
asked by Sara 
Math
if I run the 400 meter dash in 14.5 seconds. What is my speed in meters per second
asked by Anonymous 
Physical science
two forces of 5N and 12N respectively act on the same point.show how you would determine the magnitude of the resultant by using the tail to head and tail to tail methods and Pythagoras theorem
asked by Anonymous 
MATH
I NEED HELP WITH MY LEAP MATH MIDTEST QUESTIONS STAT!
asked by Nina 
Physical Science
A stepup transformer has primary coil with 15 turns. How many turns would be required in the secondary coil to increase the voltage from 60 v to 160 v? 15 x=160/80 x=80/15 x=?
asked by SAM 
physics
A 64.2kg skateboarder starts out with a speed of 2.21 m/s. He does 98.0 J of work on himself by pushing with his feet against the ground. In addition, friction does 276 J of work on him. In both cases, the forces doing the work are nonconservative. The
asked by Tyler 
algebra 2
A committee of 3 teachers and 3 students is to be formed to judge a contest. If there are 7 students and 5 teachers to choose from, how many different committees could be formed?
asked by dee 
physics
A 45kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 210 J from 400 J. How high does she rise during this interval? Neglect air resistance.
asked by Tyler 
Chemistry
I am having trouble on a chemistry question for my study guide I have researched it and can't get an answer I understand can someone please help me? Describe what happened when an Ag+ combined with Na2CO3. What does this indicate?
asked by Sidney 
math
Which statement is true for all regular pyramids? A) the length of the altitude is equal to the length of the slant height*** B) all lateral faces are congruent isosceles triangles C) the base and the faces are similar polygons D) all edges are equal in
asked by Not Tellin' Ya Ma Name 
Grade 6, percentage
There were a total of 840 guests at a wedding dinner.60% of them were adults while the rest were children.some boys left before the dessert was served.as a result,the percentage of adults increases to 70%.how many boys had left before the dessert was
asked by Peachie 
Math
Start at 5. Create a pattern that multiplies each number by 2. Stop when you have 4 numbers.
asked by Jennifer 
Math
Donnie completed 85% of his field goal attempts last season. If he attempted 60 field goals, how many did he make?
asked by I just wanna know 
Algebra
the function of y= 0.81t^2 relates the time t in seconds, that it takes a problem of length y, in feet, to swing back and forth one time. about how long would it take a 3 ft pendulum to swing back and forth one time? round to the nearest tenth.
asked by Althea 
Science
In a chemical compound, would you expect an oxide ion to be joined with one atom of calcium or one atom of potassium? Why?
asked by Bob 
8th Grade Language Arts
Hi, I have to write an essay on a controversial topic. This is the topic: Should GPS devices be installed in phones and other electronics? I'm having some trouble finding websites based on this topic and it really interests me so I don't want to change it
asked by Music Lover 14 
Maths
In a class of 36 pupils, 1/3 are girls, how many are boys?
asked by Stanley 
Math
Two long roads intersect at P at an angle of 53 degrees. Starting at P cyclist A rides for 16.2 km along one side .Cyclist B rides 18, 9 km to the other side. How far apart they are?
asked by Diego 
maths
a cylindrical tankfull of water is emptied by a pipe at the rate of 225ltrs
asked by amit 
Linear Algebra
Hello, could anyone help me with this excersise of linear algebra, Please? Well it's about linear transformation defined as T:VW , the excersices give me a set of linearly independent vectors of V {v1,v2, v3... vk} and then asks : Are {W1, w2, w3,
asked by Anthony 
English
Can someone help me come up with the a central theme for sonnet 15? PLEASE and also help me find a modern version of sonnet 16 by Elizabeth B.
asked by Kate 
maths
Between wich two integers pi lies
asked by phumelela gwicana 
math
in probability math what instances in real life can i apply this lesson? enumerate and discuss three instances
asked by value 
Mathematics
You use a line best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is .793. How confident can you be that your predicted value will be reasonably close to the actual value? A. I can't be
asked by AnswerKing 
Math
Ryan has a collection of220 baseball cards.helets his bro have 1/4 of his collection & sells 20% of the coll to the baseball card shop. he takes 15 cards to school to give his fireds how many baseball cards remain in ryan coll? 1/4=55 to school=15
asked by marilyn 
math unit 7 test
Can the figure below tesselate a plane? Explain your answer. The shape is an arch (like a rainbow) Thanks! will fail math bc this problem why is this happening
asked by straight A student 
Math (7th Grade)
two strips of fabric measure 14 3/4 and 20 7/8 in in length. To form one length, the strips are sewn together using 3/8 in from ea strip to make the seam. What is the final length of the fabric after the two strips are sewn together?
asked by marilyn 
Chemistry
What happens when equal volumes of 10^5M of BaCl2 and 10^5M of Na2SO4 are mixed at 25degree Celsius. Ksp of BaSO4=0.3×10^10.
asked by Barshali 
math
Determine whether the function is symmetric with respect to the yaxis, symmetric with respect to the xaxis, symmetric with respect to the origin, or none of these. y = 6x3 + 7x
asked by jeff 
Engli
How is the tragedy of a rich and powerful person different than that of a poor and powerless person?
asked by Anonymous 
Maths
Almaz Has Taken2 Tests.Her Average Score Is 7 Out Of 10.The Product Of Her Score Is45. What Did She Score In Each Test?
asked by Mm 
Physical Science
Question: Suppose you have sunlight shining on two clear containers of water on a table. Light waves refract through one of the containers but diffract around the other container. Describe how the two containers are different. (I have to write three lines,
asked by Anonymous 
Waves (8th Grade)
Predict: How resonance can cause earthquakes to do greater damage to some buildings than others. Analyze: If two astronauts were able to go on a space walk without wearing suits. Explain why they would not be able to talk to one another. Describe: How
asked by Anonymous 
math
Suppose 10 deers are travelling together. if four of them are does and 3 are fawns What fraction represent the number of buck?write another equivalent fraction that represent this number. Does mean Female and Fawns mean Baby. BUCK mean Male
asked by Amos 
math
A cake calls for 1/4 lb of butter. How much butter is needed to make 15 such cakes?
asked by min 
MATH (7th Grade)
2.4/5 1/3 2.4/5.333 =0.45?????
asked by marilyn 
prealgebra
I am actually in 6th grade but I really want to learn more about pre algebra. I was given a task to solve the question of y=9x+3*7 and i don't get what to do. Should I graph? Or solve for y?
asked by Kendrick 
Math
What is a number that is divided by 6 and by 7?
asked by Silina 
Maths
Almaz Has Taken 2 Tests.Her Average Score Is 7 Out Of 10.The product Of Her Scores Is 45.What Did She Score In Each Test?
asked by Mm 
History
What is one way the legislative branch is kept from becoming to powerful? A. It is divided into two lawmaking bodies, a House and Senate, which check and balance one another.** B. It is unable to finalize any laws. C. Its members meet only twice a decade.
asked by Billy 
Math
Divide 294 metres of cloth into three lengths in the ratio 2:3:9. How many metres will the longest piece measure?
asked by Kayla 
Physics
You and another person go to the museum and decide to take a look at an exhibit that has a bike with an attached heating coil/generator. The coil is placed in a tank of water at 20 deg C. Peddling makes the coil increase the energy of the water. The goal
asked by Anonymous 
math8
solve the equation 9p17=10 a.3 b.16 c.18 d.16 my answer; d
asked by TokyoGhoul 
physics
a skateboarder with mass 75 kg is riding their skateboard of mass 8 kg at 1.5 m/s. If they decide to jump off sp that their body has no horizontal movement in the air before landing, how fast must the skateboard be moving after they separate
asked by Anonymous 
Math
A notebook costs 4 times more than a pencil. The pencil is 30gh less than the note book . What is the price of the pencil
asked by Tony 
Math
A recipe calls for 2.3 cup of sugar for every 2 teaspoon of vanilla. How much sugar should be used for every 1 teaspoon of vanilla?
asked by Norazizah 
Science
What is the kinetic energy of a soccer ball which has a mass of 4 kg and is kicked at a velocity of 10 m/s?
asked by Anonymous 
Pampers
A number is multiplied by 4 and 6 is subtracted from it . The result is the same as when the number is increased by 15. Find the number
asked by Amara 
Computing
What is the importance of file standards when including external files on a website page. Thank you.
asked by James 
Computing
How do features of ide help to create machinable code?
asked by James 
C
Pseudocode: Write a pseudocode to describe how to calculate the average of 10 numbers. Thank you.
asked by James 
PLEASE ANSWER!!
Predict: How resonance can cause earthquakes to do greater damage to some buildings than others. Analyze: If two astronauts were able to go on a space walk without wearing suits. Explain why they would not be able to talk to one another. Describe: How
asked by Anonymous 
PLEASE ANSWER! I NEED HELP
Question: Suppose you have sunlight shining on two clear containers of water on a table. Light waves refract through one of the containers but diffract around the other container. Describe how the two containers are different. A link would be useful too,
asked by Anonymous 
Math
What is the slope of the tangent line to the graph at f(x)=x^25 at the point (2,1)?
asked by hhhhh 
Calculus
If the position function in feet for a freefalling particle on Planet X is s(t)= 8t^2 +16 + 64, what is the velocity of the after 2 seconds in feet per second? A. 32 B. 16 C. 16 D. 64
asked by hhhhh 
Algebra 2
If numbers and letters can be repeated, how many different 6  digit license plates can be made if the first two positions are letters and the last four are digits
asked by jazzy 
algebra 2
a survey of 20 colleges found that seniors graduated with an average $12000 in debt from student loans. The debt was normally distributed with a standard deviation of $3200. Find the probability that a senior graduated owing more than $16000.
asked by dee 
Math
At a book fair; three books and two magazines cost $7. Two books and five magazines cost $6.50. Find the cost of a book and the cost of a magazine.
asked by Jessica Lopez 
4th grade math
Rhonda bakes p pies Mary bakes 3p pies If together they bake 20 pies, how many pies does Mary bake
asked by Anonymous 
algebra
Please show me how to simplify this expression and solve the equation: (v^2 + 6v+8)/(v^2 + v  12) / (v+2)/(2v6) Thank you very much.
asked by Anneliese 
Riddle
Jane had 7 children, her mom gave birth to 7 children as well, Jane lost 7 her children but her mom kept 6. How many children does her mom have?
asked by Arianna 
Science
Pure cultures of safe (nonpathogenic) bacteria can be used for laboratory investigations. What cultures need to grow and to keep the culture pure what must you do? Thanks.
asked by Maisie 
Calculus
What is the derivative of k(x)=sin x cos x? A. sin x cos x B. 2 sin x cos x C. 2 cos^2x1 D. sin^2x  cos^2x
asked by hhhhh 
Science
MRSA has evolved through natural selection, how? Thanks.
asked by Maisie 
Science
What damage to the environment can the use of plant hormones cause? Thanks.
asked by Ellen 
ecnometrics
Searches related to Searches related to In a study of 100 firms,the total cost© was assumed to be dependent on the rate of output (X1) and the rate of absenteeism (X2).The means were: C=6 X1=3 X2=4.the matrix showing sums of squares and cross products
asked by tati 
Calculus
What is dy/dx when y=(x^2  4x ) ^3 ? A. 3(x^2 4x)^2 B. (6x  12) (x^2 4x)^2 C. 3(2x  4)^2 D. 6x^2(2x4)^2
asked by hhhhh 
Computing
Pseudocode to describe how to get the information and output of a triangle. Thank you.
asked by James 
Computing
Pseudocode using a repeatuntil loop to output the first five square numbers. Thank you.
asked by James 
economics
Searches related to Searches related to In a study of 100 firms,the total costÃƒâ€šÃ‚Â© was assumed to be dependent on the rate of output (X1) and the rate of absenteeism (X2).The means were: C=6 X1=3 X2=4.the matrix showing sums of squares and
asked by tati 
Math
Last year Alex earned a monthly payment of $250 and Ben earned a monthly salary of $180. This year each of them received it increase of 25%. This year how much more did Alex earn in one month than Ben? I do not understand how to solve this please help!
asked by Arin 
ecnometrics
The following regression equation is estimated as a production function for q based on a sample size of 30 observations In (Q)=1.37 + 0.632 in(Ki)+0.452 in(Li)+uhati (0.257) (0.219) R2=0.98 Cov(Bkhat,Bhat L)=0.055 And standard errors are in
asked by tati 
sdsdd
box contains 100 bolts of which 9 are defective. Find the probability that a bolt chosen at random is not defective.
asked by Anonymous 
Calculus
What is the derivative of h(x)= 3x+2/x^25?
asked by hhhhh 
Mathematical measurement
Find the ratio of the longest side to the perimeter of the righttriangularshaped billboard. A scalene triangular billboard that says "Ski Whitetop" is designed to look like a snowpeaked mountain with a road leading up to the peak. The peak of the
asked by Ralph Willis 
math
A rectangular garden is 6m by 8m.if you walk 3times around the garden how many meters will you have covered
asked by jocelyn 
stats
Suppose we had two families, where Family A included 5 children and Family B included only 1 child. If we randomly chose a child from the families, what is the probability that the child came from Family A?
asked by wendy 
Stoichiometry
Determine the mass % (m/m) of a NaCl solution if 58.5 grams of NaCl was dissolved in 50 ml of water (assume the density of water to be 1.0 g/ml).
asked by Sarah 
Social Studies
which river flowing through Ukraine serves as an important route to the black sea?
asked by Ali 
math;););)
Previously you found that a 15degree counterclockwise rotationcenteredat(2,1)sendsthepoint(4,6)toanother point (x, y) ⇡ (2.638, 6.347). The diagram on the right shows the vector v in the same direction as vector [2,5], only with a di↵erent length.
asked by anonymous 
math
tell me some one! a bike was originally 24000 the price was marked 15% what is the new price of the bike
asked by dipper pines!!! big fan!!! 
ss
how did ghengis khan establish his empire
asked by diamone 
Science
Fat reacting with sodium hydroxide Is this a chemical or physical change My answer is chemical is this right answer Chemical A originally is buoyant in water; after it mixed with HCI, the new substance now sinks in water. My answer is physical change. Is
asked by PLEASE CHECK MY ANSWER!!!!!! 
math
how much simple interest would you earn for 5 years at 7% with a beginning principal of $8,000.00
asked by dipper pines!!! big fan!!! 
Grade 6, percentage
80% of the members in a badminton club were male and the rest were female.after 450 members left the club,the number of male members was decreased by 25% and the number of female members was decreased by 50%.find the mumber of members in the badminton club
asked by Peachie 
Math
What is the equation of the line that passes through the points (−2, 1) and (1, 10)? 3x − y = −7my answer 3x − y = −5 3x − y = 5 x + 3y = −5
asked by katrina 
мαтн
ιαи υѕєѕ 4 fєєт σf яιввσи тσ ωяαρ єα¢н ρα¢кαgє. нσω мαиу ρα¢кαgєѕ ¢αи нє ωяαρ ωιтн 5.6 уαя∂ѕ σf яιввσи?
asked by αѕмα