Questions Asked on
October 26, 2019

Math
Make h the subject of the formula s= 2πr(r+h)
asked by Sodiq 
Algebra
A rock is thrown upward with a velocity of 14 meters per second from the top of a 20 meter high cliff, and misses the cliff on the way back down. When will the rock be 12 meters from ground level
asked by Anonymous 
Physics
A 20g bullet moving at 200m/s hots a bag of sand and comes to rest in 0.011s. What is the momentum of the bullet just before hitting the bag? Find the average force that stopped the bullet
asked by Grace 
Calculus
A box (with no top) is to be constructed from a piece of cardboard of sides A and B by cutting out squares of length h from the corners and folding up the sides. Find the value of h that maximizes the volume of the box if A = 7 and B = 12
asked by Jackie 
Pllllz helpppp URGENT
Microsoft Word provides __________ readymade shapes that you can alter to your liking. 5 10 20 more than 25 A?
asked by Aubrea colbert 
Physics
A girl whose weight is 30 N runs up a flight of stairs 5 m in 6 s. What is her average power
asked by Favour 
math
Let L1 be the line passing through the points Q1=(4, 2, −3) and Q2=(0, −2, 3). Find a value of k so the line L2 passing through the point P1 = P1(−11, 2, k) with direction vector →d=[3, −2, −3]T intersects with L1
asked by sam 
math
the first term of a gp is twice its common ratio. find the sum of the first two terms of the progression if its sum to infinity is 8
asked by victor 
physics
A man of mass 50kg ascend a fight of stairs 5m high in 55 seconds.if acceleration due to gravity is 10ms the power expand is what
asked by Emmanuel 
math
the first term of an ap is 8 the ratio of the 7th to the 9th term is 5:8 calculate the common difference of the progression
asked by victor 
Science
How would you compare infrared radiation absorption and emission rates for an object at constant temperature? Thank you :)
asked by Marcus 
Math
A fireplace arch is to be constructed in the form of a semi ellipse. The opening is to have a height of 3 feet at the center and a width of 8 feet along the base. The contractor cuts a string of a certain length and nails each end of the string along the
asked by Tex 
history
What are some common things people do for a living in the Complex Civilization time period?
asked by givj 
Chemistry
The pH of an arterial blood sample is 7.15. Upon acidification of 10 ml of the plasma 5.91ml of CO2 is produced at standard temperature and presure. Calculate: a) total CO2 in the specimen b) the individual concentration of disolved CO2(H2CO3) and HCO3 c)
asked by Monika 
Mathematics
Mr. David class 5 \ 8 of the children walk to school 2 \ 8 take a bus and the rest cycle to school. what fraction of the class walk and take a bus to school? what fraction cycle to school
asked by Angella 
math
Let L1 be the line passing through the points Q1=(−1, 5, 3) and Q2=(1, 6, 1) and let L2 be the line passing through the point P1=(3, 10, 2) with direction vector →d=[4, 4, −2]T. Determine whether L1 and L2 intersect. If so, find the point of
asked by sammy 
Math
A department store is holding a drawing to give away free shopping sprees. There are 10 customers who have entered the drawing: 6 live in the town of Gaston, 2 live in pike, and 2 live in wells. Two winners will be selected at random. What is the
asked by Nashawn 
Science
A cannon fires ball horizontally off the top of cliff at 100m/s.Neglecting friction, how long will it take for the magnitude of the vertical component of its vertical component of its velocity to equal the horizontal component?
asked by Anonymous 
Math
Write the equation of the line passing through the points left (5, 9) and (5,1) in slope format y=mx+b
asked by Mia 
Calculus
Derivative of e^x
asked by A 
Math
A flower bed is in the shape of a triangle with one side twice the length of the shortest side, and the third side is 14 feet more than the length of the shortest side. Find the dimensions if the perimeter is 158 feet
asked by Andrea 
Physics
If the anterior cruciate ligament (ACL) in an athlete's knee has length 1.0cm, breaking point 1.9×10^8 Pa, and Young's Modulus 6.0×10^8 Pa, how far must it be stretched from its relaxed length to tear it? PLEASE HELP! My answer is 0.0032m, but I am not
asked by Kmatteucci 
social studies
Which phrase best summarizes Qin government? A. It was centralized. B. It upheld Confucian ideals. C. It divided China into rival states. D. It relaxed the harsh laws of the Zhou dynasty
asked by HELP ME PLEASE 
Physics
A body of mass 70kg runs up a set of steps if total height 3.0m find the work done against gravity
asked by Amanda 
Physics
A loaded sack of total mass 500kg down from the fall of a lorry 5m height calculate the work done by gravity on the lorry
asked by Zaneta 
Calculus
How do we evaluate the volume under the surface given by, z=2xsin(y) over the region bounded below by the curve y=x^2 and above by the line y=0 for 0
asked by Aryaa 
Science
Name four principles of kinetic friction
asked by Mokhehlane 
English
What is the tense of the verb in the following sentence? Marta has composed a song.
asked by trinity 
Physics
A vibrating sonometer wire emits a note which gives a beat frequency of 6Hz when sounded unison with a loaded tunning fork of frequency 257Hz. When the fork is loaded, the beat frequency increases. What is the frequency of the note emitted by the
asked by Enock 
Biology
Researchers discovered that zooplankton in Narragansett Bay now graze on floating algae more actively through the winter than they ever did before. What effect do you think this might have on the annual latewinter “bloom” of algae that occurs in the
asked by Anonymous 
Physics
A wave moves from material A to material B and bends towards the normal as it crosses the boundary. In which material does the wave travel faster?
asked by John 
Physics
How could you use a Leslie cube to investigate IR radiation emitted by different surfaces?
asked by John 
Chemistry
```Compute the energy separation between the ground and third excited states for an electron in a onedimensional box that is 8.00 angstroms in length. Express the energy difference in kJ⋅mol−1.```
asked by Jayden 
Math
Find an equation of the line passing through each of the following pairs of points.
asked by John Chacon 
Career
which of the following has a mission to provide entrepreneurship educational opportunities for young people from lowincome communities A. Hugh O'Brian Youth Leadership B. Junior Achievement C. Network For Teaching Entrepreneurship D. Young Student
asked by ItsMeMf 
English
Who was the person that said, "We live intertwined on this planet?" It's for a crossword puzzle and I got everything except for this. Thanks!
asked by Dog_Lover 
Social Studies
Which of the following statements best describes Maya cities? A. They were built on islands in lakes. B. They grew up mainly in the highlands. C. They had relatively few buildings. D. They had pyramids and palaces in their centers.
asked by KK 
math
Can someone explain how 6/3 is greater than 10/15? thanks for your help.
asked by playtime 
Science
0.2 mole of hydrated salt was heated 0.10 mole of water was lost what is molecular formula of hydrated salt
asked by Izaz 
PE
What are the branches of physical education
asked by Fawas 
Math
What is the fraction 5/6 as a decimal?
asked by Trikzz 
algebra
Gary Glaze requires 25 hours to put a new roof on a house. His apprentice, Anna Gandy, can reroof the house by herself in 32 hours. After working alone on a roof for 20 hours, Gary leaves for another job. Anna takes over and completes the job. How
asked by Carrie 
Algebra
The Census Bureau estimates that in 2025, 20 of the 50 states will have a Spanishspeaking majority. What percent of the states will have a Spanishspeaking majority? A. 20% B. 30% C. 40%**** D. 50%
asked by AlgebraHelp 
Algebra
What percent of 40 is 24? Is it 6 percent?
asked by AlgebraHelp 
Math
26 is 65% of what number?
asked by Hi 
Trigonometry
From a building EF, the angles of depression to the top and bottom of a tree are 41° and 62° respectively. The tree is 15m from the building. (1)Draw diagram to show and (2) determine the height of the tree.
asked by Arbie 
accounting
Eckman Company purchased equipment for $420,000 on January 1, 2016, and will use the doubledecliningbalance method of depreciation. It is estimated that the equipment will have a 5year life and a $2,000 salvage value at the end of its useful life. The
asked by Tatiana