tay
Most popular questions and responses by tay
science
Which of the following is something you should do after severe weather occurs?  clean up flood waters ***  stay away from windows  create a family safety plan  invite friends to see the damage
asked on April 13, 2016 
Physics
The displacement of a standing wave on a string is given by D=3.6sin(.54x)cos(37t), where x and D are in centimeters and t is in seconds. What is the distance in cm between the nodes in centimeters? Give the amplitude of each of the component waves,
asked on November 17, 2009 
Math
Use Stokes' Theorem to evaluate S curl F · dS. F(x, y, z) = 2y cos z i + ex sin z j + xey k, S is the hemisphere x2 + y2 + z2 = 49, z ≥ 0, oriented upward.
asked on November 22, 2016 
math
a particle moves along the curve y= sqrt 1+x cubed. As it reaches the point (2,3) the ycorrdinate is increasing at a rate of 4cm/s. How fast is the xcoordinate of the point changing at that instant?
asked on January 17, 2012 
Math
A science class has 3 girls and 7 boys in the seventh grade and 5 girls and 5 boysin the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she
asked on December 12, 2016 
Math
A bank offers two interest account plans. Plan A gives you 6% interest compound annually. Plan B gives you 13% annual simple interest. You plan to invest $2,000 for the next 4 years. Which account earns you the most interest (in dollars) after 4 years? How
asked on June 10, 2015 
Math
Leila's bookshelf has 4 shelves. Each shelf has 9 books. Write a multiplication sentence to tell about the books. Explain what each number in the multiplication sentence means.
asked on December 2, 2015 
Statistics
the heights of young women are approximately Normal with 65 inches and standard deviation 2.5 inches. The heights of men in the same age group have mean 70 inches standard deviation 2 inches. What percentage of women are taller than a man of average (mean)
asked on October 21, 2015 
social studies
What was the effect of discovering oil at spindletop?(1Point) A The stast stufferes economically because the supply wasnt as much as people expected B The supply at spindletop was not enough to economicallyy support the exploration of nearby sources for
asked on September 26, 2017 
Calculus
For the following demand equation compute the elasticity of demand and determine whether the demand is elastic, unitary, or inelastic at the indicated price. (Round your answer to three decimal places.) x + (1/9)p  27 =0 ; p=23
asked on March 11, 2013 
Chemistry
if 130 g of KNO3 are added to 100 g of water at 40 degrees Celsius.How many grams do not dissolve?
asked on April 13, 2011 
AP US History
I am writing an APUSH DBQ and I have what I think is a pretty winning thesis but I am having problems coming up with a good, interesting opening sentence. I figure once I have the first paragraph figured out the rest will flow rather easily. I also need to
asked on October 22, 2011 
Math
Juan's company spent $2350 on an event. They spent about $1500 on food and about $900 on entertainment. What could the actual cost of the food and entertainment be?
asked on November 5, 2015 
algebra
You have fifty feet of fencing to use to create a new pen for your dog. Describe three differentlyshaped pens you could create.
asked on May 13, 2019 
PHYSICS (VECTOR)
A plane is flying due South (270º) at 474.8 km/h. A wind blows from West to East (0°) at 46 km/h. Find the direction of the plane's travel. Report your answer in degrees from 0° as a reference.
asked on October 26, 2014 
Algebra
A whole number is added to a number with two didgets after the decimal point. To make sure the answer is reasonable, how many didgets should the sum have after the decimal point ? A  none B  1 C 2 D infinitely many
asked on September 11, 2015 
chemistry
How many moles of O are needed to combine with 0.223 mole of C to form the following compounds? CO CO2
asked on September 15, 2011 
Math
A cashier has 25 coins consisting of nickels, dimes, and quarters with a value of $4.10. If the number of dimes is 1 more than twice the number of nickels, how many of each type of coin does he have?
asked on April 30, 2017 
Math
A theater has tickets for $6 for adults, $3.50 for students, and $2.50 for preschool children. A total of 238 tickets were sold for one showing with a total revenue of $1142. If the number of adult tickets sold was 10 more than twice the number of student
asked on April 30, 2017 
MATH
Explain why the digits in a place value system with base, b, are 0,1,... b1 and why no digits for numbers greater than b1 are needed
asked on September 12, 2014 
math
A particular model of walkietalkie can broadcast in a circular area. The radius of the broadcast area is 10,000 feet. Find the area of this circle to the nearest square foot. Use 3.14 for pi.
asked on March 13, 2017 
chemistry
Glycerin, C3H8O3, is a nonvolatile liquid. What is the vapor pressure of a solution made by adding 164 g of glycerin to 325 mL of H2O at 39.8°C? The vapor pressure of pure water at 39.8°C is 54.74 torr and its density is 0.992 g/cm3.
asked on February 12, 2011 
physics
A solid block of mass m2 = 1.0 $kg$, at rest on a horizontal frictionless surface, is connected to a relaxed spring (with spring constant k = 260 N/m whose other end is fixed. Another solid block of mass m1 = 2.4 kg and speed v1 = 3.3 m/s collides with the
asked on March 21, 2014 
Probability
There are 9 marbles if 3 different colors where 2 marbles are selected at random without replacement and the probability is 1/6
asked on May 5, 2015 
english
In " At the Tourist Center in Boston," the speakers tone can best be identified as?
asked on September 6, 2013 
Math
For the following demand equation compute the elasticity of demand and determine whether the demand is elastic, unitary, or inelastic at the indicated price. (Round your answer to three decimal places.) x + (1/9)p  27 =0 ; p=23
asked on March 10, 2013 
chemistry
Which would produce greater number of moles of product: a certain amount of hydrogen gas reacting with oxygen gas to make water, or the same amount of hydrogen gas reacting with nitrogen gas to make ammonia? Why?
asked on April 11, 2010 
english
In " At the Tourist Center in Boston," the speakers tone can best be identified as?
asked on September 6, 2013 
college chem
How many moles of O are needed to combine with 0.223 mole of C to form the following compounds? CO CO2
asked on September 15, 2011 
physics
A vector representing 140 N is oriented at 42◦ with the horizontal. What is the magnitude of its horizontal component?
asked on October 10, 2011 
physics
A helicopter is rising at 4.7 m/s when a bag is dropped from it. (Assume that the positive direction is upward.) (a) After 2.0 s, what is the bag's velocity? (b) How far has the bag fallen? (c) How far below the helicopter is the bag?
asked on October 26, 2009 
Texas State History
Plzzz Help!!!!! If you answer plz be right!!!! The Caddos were an American Indian group in Texas that practiced agriculture and built permanent houses. What can be inferred about the group? (1point) A it created large populations . Bit formed a small and
asked on October 2, 2017 
English
I was supposed to make a connection between the Adichie Ted talk and the benefit of reading through black spruce. I have read this paragraph many times but I am not sure if it will make sense to others. Adichie uses different stories to share the core
asked on April 10, 2019 
algebra 2
You and your friend are both knitting scarves for charity. You knit 8 rows each minute and already have knitted 10 rows.Your friend knits 5 rows each minute and has already knitted 19 rows. When will you both have knitted the same number of rows?
asked on May 18, 2012 
trig
what is the angle of elevation of a 15 foot ladder leaning 12 feet up a building?
asked on October 3, 2014 
math
Adrian has $12,000 invested in a savings account which pays 5%, a time deposit paying 7% and a bond that pays 10%. He has $1000 less invested in the bond than in his savings account, and he earned $860 in annual interest. How much money is in each account?
asked on April 30, 2017 
college algebra
If there are 400 cubic centimeters of a chemical in 1 liter of solution (1000 cc=1 liter), how many cubic centimeters of water must be added to dilute it to a 25% solution?
asked on October 3, 2017 
HISTORY PLEASE HELP
which of the following factors most contributed to the flourishing of great civilization in Africa between 4001600 a) the spread of Christianity to sub Saharan nations b)extensive trade with north Africa, Arabic, and Portuguese trading partners c) the
asked on September 18, 2015 
math
what is tan(AB) if SinA=1/2, cosA>0, tanB=3/4 and sinB
asked on April 13, 2014 
chemistry
Pressure cooker is 1.3atm what is the temperature of water that boils
asked on October 25, 2011 
chemistry
What does the statement" The properties of salt are different from the properties of the elements that go into making them" mean?
asked on October 13, 2008 
accounting
At the end of the current year, $19,900 of fees have been earned but not billed to clients. a.What is the adjustment to record the accrued fees? Indicate each account affected, whether the account is increased or decreased, and the amount of the increase
asked on August 2, 2016 
math
Video games are on sale for 25% off. If a particular game regularly sells for $59.50, what is the sale price?
asked on June 10, 2013 
physics
if i throw a 2kg glob of clay and hit a wall at 3 m/s, how much momentum do i impact to the clay/wall? why?
asked on November 7, 2010 
pre alg
How do u find the GCF with exponets in a 7th gr. pre alg. class?
asked on January 11, 2009 
Math
The sum of digits of a threedigit number is 14, and the ten's digit of the number is one more than the unit's digit. If the digits were reversed in order, the new number is 198 more than the original. What is the original number?
asked on April 30, 2017 
Math
Two competing construction companies summit the following bids: Bill Quik: $7,500 plus $15 per square foot of the building. Shut Bild: $10,000 plus $12.50 per square foot of the building. For what number of square feet of building will competing bids be
asked on April 30, 2017 
math
The distance to the nearest 100,000 km from the earth to the moon is given as 400,000 km. The average speed to the Nearest 500km/h is 3500km/h. Calculate the least and greatest time it takes the rocket to reach the moon I figured out the formula speed =
asked on March 31, 2015 
physics
The drawing shows a person looking at a building on top of which an antenna is mounted. The horizontal distance between the person's eyes and the building is d = 83.0 m. In part a the person is looking at the base of the antenna, and his line of sight
asked on August 23, 2012 
Math
A triangular garden plot has one 16 foot side. The height perpindicular to that side is 12 feet 6 inches. If each plant requires 36 sq. in. of space, how many plants can be placed in the plot? Divide the area of the triangle by the area required per plant.
asked on March 5, 2007 
Math
Cheryl has $2000 less invested in a money market account paying 10% than in a bond paying 7%. If she received $820 in interest for a year how much did she have in the two accounts?
asked on April 30, 2017 
math
Find the sum of the squares of the deviations from the mean of a series of ACT scores: 24,17,27,25,22
asked on October 20, 2013 
science
A rectangular brick measures 6cm by 9cm by 20cm and has a mass of 2.563 kilograms. Calculate the bricks volume in cubic centimeters, and cubic milimeters
asked on September 16, 2009 
algebra 1
what is the area of the largest circle that will fit in a square with area 64cm squared? EXPLAIN. please help this stumped me
asked on September 9, 2008 
Science
What's the number of stage micrometer units in 10 ocular units using 4x, 10x, and 43x objectives ?
asked on February 7, 2007 
Math Pre Algebra
evaluate 5(142^3)+ 8/2 =
asked on September 12, 2015 
Number Theory
Can someone help me with this question How many integers from 1 to 10000 inclusive, are multiples of 2 and 5?
asked on May 2, 2010 
math
Helppp me! Need this in about 10 min. earlier the better!!!! pleaseee:) anyways... neg. 9/10 plus neg. 1/6 =?
asked on November 5, 2009 
English
I need help on formulating this into a paper that has to be 1500 words: I.Being a strong supportive parent can become tough especially if you’re a single parent. A.Some parents may have to work long late hours. 1.The obese children will eat whatever they
asked on July 28, 2009 
chem
what is the spdf electron configuration for s? i got [NE]3s23sp4 as an answer is this correct?
asked on September 27, 2007 
computer science
anyone know any new software capability in computer science that came out this year?
asked on June 13, 2018 
Math
Darryl used a total of 715.75 kilograms of flour to fill bags at a ocal flour mill. HE used 22.68 kilograms of flour to completely fill each nag. What is the greatest number of bags Darryl completely filled? A 33 B 32 C 31 D 30 My answer C am i correct?
asked on November 23, 2017 
physical science
A baseball is thrown a distance of 20 meters from the outfield to 3rd base. What is the baseball's velocity if it takes2.3 seconds to get to the third basemen? How would I solve this?
asked on October 11, 2016 
Chemistry
If I have 4.53*10^15 moles of tantalum atoms, how many tantalum atoms do I have?
asked on November 12, 2015 
math
IT took me a while to learn how to flip flapjacks. In fact, a+1/a=6, then the value of a^2 + 1/a^2 is the number of attempts it took me. How many attempts did it take me? A. 34 B. 35 C. 36 D. 38 I don't know how to do it, I'm assuming that 1 1/a =6, but
asked on August 6, 2015 
Chemistry
A solution of an unknown base has a concentration of 0.250M, and a pH of 12.72. Calculate Kb for this base.
asked on September 5, 2013 
life orientation
Ways in which one can take responsibility to provide safe and healthy living environment?
asked on April 30, 2013 
science
HOw would you attempt to isolate and identify a bacterial infection acquired on another planet
asked on April 29, 2013 
science
Which cavity consists of the cranial cavity and vertebral canal? the dorsal or the ventral?
asked on August 27, 2010 
math
4(h)=68
asked on September 2, 2009 
trig
how do i do this? give the signs of the six trig functions for each angle: 74 degrees?
asked on December 3, 2008 
english 1
i have to do a paragraph and i have to write bout if i can change one thing wat wood it be and three reason ill take anything
asked on October 20, 2008 
Architecture
When you draw an elevation from a floorplan, how do you determine the vertical height of windows and doors?
asked on December 11, 2007 
Math
Kelly likes red marbles. Each of her 12 bags of marbles has 2/7 red marbles. How many separate bags of red marbles can she make? How to I work out this problem? Im not sure how to set it up, thanks!
asked on April 23, 2018 
physical science
Step by step how would i solve this. A baseball is thrown at a distance of 20 meters from the outfield to the third base. What is the baseball's velocity if it takes 2.3 seconds to get to the third one.
asked on October 12, 2016 
Math
Solve the following system of equations: −2x + y = 1 −4x + y = −1 (3, 1) (−1, 3) (−1, −3) (1, 3) ***
asked on July 7, 2016 
PreCalculus
Write the standard form of the equation of the line that passes through the point (4, 2) and is perpendicular to the graph of 3x  2y + 9 = 0.
asked on November 5, 2015 
Math
How do I simplify this expression : 12 / 3 * (8 + (4)^2  6 ) + 2 the answer is 6.
asked on October 5, 2015 
math
IT took me a while to learn how to flip flapjacks. In fact, a+1/a=6, then the value of a^2 + 1/a^2 is the number of attempts it took me. How many attempts did it take me? A. 34 B. 35 C. 36 D. 38 I don't know how to do it, I'm assuming that 1 1/a =6, but
asked on August 6, 2015 
physics
A child is pushing a shopping cart at a speed of 0.7 m/s. How long will it take the child to push the cart down an aisle with a length of 17.3 m? (Answer in seconds)
asked on August 27, 2014 
Trig
Sin^2 b(1 +cot^2 b) =1
asked on April 3, 2013 
Number Theory
How Do you expand (4x+3y+3z)^6?
asked on May 2, 2010 
matt/116
two angles are complementary. The sum of the measure of the first and the onefourth of the second angle is 62.25 degrees find the measures of the angle.
asked on April 11, 2010 
Math
What is neg. 9/10 + neg. 1/6? Pleaseee help im stuck:/
asked on November 5, 2009 
English
Here is my thesis can you please help: Even thought childhood obesity is not only the parents' fault but the child's as well, having a strong parent who help promote healthy eating and exercise can help with the health problems that will occur during there
asked on July 29, 2009 
algebra
how to do unit rate $60 for 8 h there is more like 3/4lb and 861bagels/3d and 850cal/1.25h
asked on October 20, 2008 
language arts
retribution means the opposite of distribution or collection.
asked on September 15, 2008 
chem
also what does it mean when they say write the abbreviated notation (based on noble gas) for s? how do i begin to do this
asked on September 27, 2007 
math
a manufacturer's cost is given by C= 300 cube root of n + 1200, where c is the cost and n is the number of parts produced. find the cost when 8 parts are produced. help please!!!! We have C = 300n1/3 +1200 Substitute 8 for n to get C = 300*81/3 +1200 You
asked on October 13, 2006

6TH GRADE MATH
the rule is y=x12. fill in blanks are 6 and 22. to get 6 add 6+12 to get 6. to get 22 subtract 10  12.
posted on May 7, 2018 
Math
100% thx
posted on April 25, 2018 
Social
im in 6th and got it right thxs can
posted on April 17, 2018 
Math(1 question plz help thanks!=D
thxs so much i go to connections academy and i got it right
posted on April 17, 2018 
Art
thanks no name
posted on April 17, 2018 
English
ya its a connections academy quiz
posted on April 17, 2018 
Science
thx so much idk
posted on April 17, 2018 
Math
7 10 of your friends prefer to take a math test on Friday. 7 20 prefer Friday and Wednesday. What fraction of those who prefer Friday also prefer Wednesday?
posted on March 22, 2018 
Math, are they all right?
Killjoy is eight ABBD is correct thanks Take killjoy answers no one elses
posted on January 8, 2018 
artist
ACA is correct
posted on January 7, 2018