Questions Asked on
February 16, 2018

math
You are ordering photo prints online to send out to all your friends for the holidays. The first 20 prints cost 12¢ each, if you order more than 20 the price of the additional prints goes down to 8¢ each. a. Write a function to describe the cost of the
asked by sarah 
Physics
A wire length 2m and radius 1mm is stretched by 25mm on application of a force of 1000N.Calculate the young modulus
asked by Rilwan 
Maths
A farmer sold 2/3 of his cattle.he gave 1/6 of the cattle to his son.what fraction of cows does he still have?
asked by Absar 
basic electroincs
A fullwave rectiﬁer circuit is driven by a sinusoidal input voltage with Vrms=15V and frequency 50Hz. If the load resistance is 100Ω, what is the ripple voltage with a ﬁlter capacitance of 1.5mF? (Assume the diodes to be ideal, with Von=0V.)
asked by vamsi 
math
Do males or female high school basketball players have a better chance of playing on college teams? On professional teams? Include probability numbers high school players: male  549,500 female  456,900 college players: male  4,500 female  4,100 college
asked by jay 
electronics
Consider an npn transistor operating in the linear region at 450C. If VBE is increased by 15mV, by what factor will the collector current increase?
asked by vetri 
physics
The radius of circular electron orbits in the Bohr model of the hydrogen atom are given by (5.29 ✕ 10^−11 m)n^2, where n is the electron's energy level (see figure below). The speed of the electron in each energy level is (c/137n), where c = 3 ✕ 10^8
asked by joy 
Calculus
Your classmate claims that the the function f(x,y) = x^3(e^{x^2−3y^2})−(17−3x^2)(y−2) does not have an absolute maximum nor an absolute minimum when the function is restricted to the disk x^2+y^2 ≤ 7. Please explain why this is incorrect.
asked by Mark 
math
The points P (2, −1), Q (−4, −1) and R (−1, 3√3 − 1) are joined to form a triangle. Prove that triangle PQR is equilateral. I get that you use the distance formula to find the distance between these three points, which will prove that PQR is
asked by anonymous 
Physics
Would a rug have static or dynamic friction?
asked by Bill 
Math
Hello. Can someone help me? I'm not very sure about some of these :( Stephen read a 90page book in 6 days. If he continues reading at that rate, how long will ittake him to read a 300page book? Answer: 20 days. I found this by doing 90/6=15, and then
asked by I have 2 different names. Which would I put? 
Math
−11+8+n=−11+8+n=_____ +n
asked by Shawn Smith 
Science halp
10. Which situation is an example of Newton’s third law of motion? * 1 point A.A ball in a vacuum container moves in a straight line at a constant velocity. B.A ball in a vacuum container accelerates when kicked with a great amount of force. C.A person
asked by Sanic fest speds :D 
Probability & Statistics
Space shuttle astronauts each consume an average of 3000 calories per day. One meal normally consists of a main dish, a vegetable dish, and two different desserts. The astronauts can choose from 11 main dishes, 7 vegetable dishes, and 12
asked by Becky77 
Math
Joy is 2/3 as old as Lyn;Six years ago,Joy is 20 less than Lyn's age,How old are they Six years ago?
asked by Julius 
Math
A rectangular cookie tin is 14 inches long, 7.6 inches wide, and 3.4 inches tall. What is the capacity of the cookie tin?
asked by The Devil Cat 
ELA (My last question of the day)
I think it is b or d. What is the BEST description and explanation for the underlined word in this sentence? The barking dog woke the entire neighborhood with his incessant noise. A) Barking is an adjective form being used to modify the dog. B) Barking is
asked by Cody 
Math
Dan makes a sand box for his school project that has a volume of 4.375 cubic feet. The base of the box is 2.5 feet long and 3.5 feet wide. How deep is the sandbox?
asked by The Devil Cat 
Science halp
6.Two cars with different masses travel at the same speed down a hill toward a stop sign. What will happen when both cars apply brakes at the same time to stop? * A. The car with the smaller mass will require less force to stop than the car with the larger
asked by Sanic fest speds :D 
SS halp
1.the Kansas Nebraska act continued ideas of which of the following 1. Missouri compromise 2. compromise of 1850 3. free soil party 4. Dred Scott v Sanford
asked by Sanic fest speds :D 
Math help ASAP
John works two jobs. A weekly pay stub from one job shows an earning of $235.23 and his second pay stub shows a monthly earning of $ 935.40. Which is the BEST estimate of John's yearly earnings? A) $11,000 B) $12,200 C) $14,000 D) $23,400 ***
asked by Anonymous 
Math help ASAP
Workers on the assembly line produce 4x + 6 boats each day. Which expression shows how many boats they produced in 12 days? A) 12(4x + 6)*** B) 12(4x) + 6 C) 12/4x+6 D) 4x+6/12
asked by Anonymous 
Math
Which expression represents how many years are in x months? A) 12x B) 12 + x C) x/12*** D) 12/x
asked by Anonymous 
Im very confusedmath
Brandon is baking cookies for a school bake sale. If he can make 2 dozen cookies in 23 minutes which is a reasonable estimate of the amount of time it will take him to make 12 dozen cookies? A) between 4 and 5 hours B) between 3 and 4 hours C) between 2
asked by Anonymous 
Math
Baseball Ticket Prices Location Average Price Atlanta $14.42 New York $28.59 Los Angeles $19.67 The table shows the average baseball ticket price for three American cities. Sarah is going to New York for Spring Break with her friends. They have $130 to
asked by Anonymous 
Math again
The price of a lawn mower is x dollars. The store is having a 75% end of summer clearance sale. Which expression can be used to find the clearance price of the mower? A) .25x B) .75x C) x  .25(75) D) x + .25(75) How do I figure this out?
asked by Anonymous 
Math
A number less 7 is greater than 45. How can the solutions for this inequality be described? Is 40 a solution? A) All numbers less than 38.; yes B) All numbers greater than 38.; no C) All numbers less than or equal to 38.; yes D) All numbers greater
asked by Anonymous 
math
A salesperson at a furniture store earns a 3% commission on all sales. How much commission does the salesperson earn on a $1400 sale?
asked by destiny love 
Math
The width of a rectangle is 3 4 the length. The perimeter is 252 cm. What is the width of the rectangle? A) 36 cm B) 48 cm C) 54 cm D) 72 cm Can someone help me please?
asked by Anonymous 
Math
Can you help me with this? I did the first part here: The diameter of a tire is 2.5ft. A. find the circumference. (my answer is 7.85) B. how many times will the tire have to rotate to travel 1 mile? (1 mile = 5,280ft) Thank you :)
asked by ShannonPanda 
Math
14 soccer players decide to share 9 protein bars. What fraction of a protein bar will each player get?
asked by Simona 
Math help ASAP
Becky is renting a car for her vacation. The rental costs $350 per week plus 20 cents per mile. If Becky can spend no more than $500, how far can she travel? A) 450 miles B) 625 miles C) 750 miles D) 800 miles How do I figure this out??
asked by Anonymous 
Math
Michelle made 26 more sales calls last month than Allen. Together, they made 120 calls. How many calls were made by Michelle? A) 47 calls B) 73 calls C) 82 calls D) 94 calls I think the answer is 94
asked by Anonymous 
Math
A pool in the shape of a rectangular prism has a width of 8 1 2 feet (ft), a length of 12 ft, and a depth of 8 ft. What is the volume of the pool? A 102 ft3 B 532 ft3 C 816 ft3 D 1,728 ft
asked by Please Help 
language arts
in who knows the moon the speaker imagines traveling somewhere where does he imagine traveling
asked by aswd 
Math
Each car in a rental fleet is either red or white, and there are 75 cars total. There are three more white than twice the number of red cars. How many cars are white? A) 24 B) 47 C) 48 D) 51 How do I solve this?
asked by Anonymous 
personal finance
John T. works on the assembly line at an automobile factory. One day he falls off the roof of his house while cleaning the gutters and injures his back. He learns he will be off his job for almost a year while his back heals. Which of the following
asked by Sashaya 
Math
James and Becky have a total of 4 2 over 8 feet of yarn. Becky has 1 5 over 8 feet of yarn. How many feet of yarn does James have?
asked by Someone 
Math
Please help me! Last question. Needs to be done today! The kilopascal is a unit of measure for atmospheric pressure. Suppose the atmospheric air pressure at sea level is about 96 kilopascals. For every 1,000meter increase in altitude, the pressure
asked by Um 
chem
calculate the percent concentration of each of the following solutions 1. 2.78g of NaHCO3 dissolved in enough water to make 200.0ml of solution 2.3.25ml of H2SO4 dissolved in enough water to make 68.0 ml of solution
asked by SHORNORA 
Music
one composer associated with the Renaissance is A. Mozart B. Chopin C. Palestrina D. Beethoven
asked by i need help can you please help me 
Chemistry
hydrobromic acid (50.5) calculate the concentration in mol/L. (MW HBr: 80.91 g/mol, density: 1.49 g/mL)
asked by Sara 
Algebra Readiness (PreAlgebra) B
Find the surface area for a cylinder with a height of 20 and a radius of 6. Use 3.14 for pi and round to the nearest whole number. 180 ft 720 ft 433 ft 135 ft I thinks it is 720 ft.
asked by KitKat 
government
What was in place before the ohio constitution was passed? What was in place before the U.S. constitution was passed?
asked by cait 
Math
Hello! I need someone o check a couple answers for me please! I really need to get my Math and Science done, so I might be coming back again for my answers to be checked or to have help =) . 1. A car travels 172 miles using 7 gallons of gas. At that rate,
asked by Annabelle 
social studies
what was the effect of the bull moose party’s entrance into the presidential election of 1912? a)it split the republican vote and allowed the democrats to win. b)it prevented any of the three parties from winning a majority of electoral votes. c)it split
asked by hazel 
math
Which of these is a rational number A.)integer 150 B.)integer 441 C.)integer 200**** D.)integer 250
asked by C.A.C 
chem
a sample of gas has a volume of 500 ml at a pressure of 640torr. that volume in liters will the gas occupy at 1.00 atm pressure and constant temperature
asked by SHORNORA 
math
I need to get a better understanding about relative difference. Do you know of any websites that would have practice problems that I could go to? Thank you.
asked by carly 
Math
AB = 8 cm, AC = 6 cm, AD = 7 cm, CD = 2.82 and CAB=50°. The size of angle ABC, area of triangle ACD
asked by Ma 
MATH
Find the value of X if; Log base 10 7+ log base 10(3x+2)log base 10(2x1)=1
asked by Simon 
physics
Consider the Earth and the Moon as a twoparticle system. (a) Find the gravitational field of this twoparticle system at the point that is exactly halfway between the Earth and the Moon. (Assume a radial direction r̂ from the Earth to the Moon. Express
asked by joy 
biology
Cells such as neurons, which rarely if ever divide, can be explained as __________. A) being in the G0 phase of the cell cycle B) unable to activate apoptosis C) being in the G1 phase of the cell cycle D) having no active cell cycle I'm pretty sure it's A
asked by Rylee 
math
What problems might you encounter when calculating the equation of a line whose graph is actually parallel to one of the axes? The answer states, "Horizontal lines have any yvalue and vertical lines have any xvalue." Could anyone explain this, I'm not
asked by anonymous 
Social Studies
I have little time and am supposed to write a bibliography about one of the following: The Cherokee and the Trail of Tears 9/11 The Holocaust The election of President Obama The Civil Rights March& MLK's "I Have A Dream" Speech The Louisiana Purchase. The
asked by ^o^ 
physics
A black hole is an object with mass, but no spatial extent. It truly is a particle. A black hole may form from a dead star. Such a black hole has a mass several times the mass of the Sun. Imagine a black hole whose mass is eightytwo times the mass of the
asked by joy 
Algebra and Geometry
Hi I have a question about my homework but my teacher doesn't explain to us very well so if someone can help me out.. iw ould appreciate it. Thank you. Find the quotient and remainder for x^5x^4+7x^37x^2+5x10/ x1 thank you so much (:
asked by Katherine 
Pre Calc
If two forces of 5 lb. and 8 lb. are acting on the same point are equivalent to a single force of 10 lb., find the angle between the given forces, and the angle between the resultant and the larger force.
asked by Sarah 
algebra
if a function consists of the set of ordered pairs {(0,1),(1,2),(2,5),(3,10)}, what is the range of the function? {0,1,2,3} {0,2,5,10} {1,2,5,10} {1,1,3,7}
asked by savannah 
Pre Calc
You have recently been promoted and are now a senior pilot with BHS Exprress, providing courteous and timely service to countless cities across the Northeast. In order to arrive in New York City at the scheduled time, you know you must fly at a speed of
asked by Sarah 
acting
okay, this is just one last question on this, you guys already explained a lot and I REALLY appreciate it, but I've got one more Q. If I were to get a YouTube account and acted in front of a camera with other people, even without an official director,
asked by Rylee 
Calculus 2
Find the volume of the solid whose base is the semicircle y= sqrt(1− x^2) where −1≤x≤1, and the cross sections perpendicular to the x axis are squares.
asked by RaShawnya 
Calculus 2
Using disks or washers, find the volume of the solid obtained by rotating the region bounded by the curves y=1/x, y=0, x=1 and x=4 about the line y=−1
asked by RaShawnya 
Physics
A wire length 2m and radius 1mm is stretched by 25mm on application of a force of 1000N.Calculate the young modulus
asked by Rilwan 
SOCIAL STUDIES HELP PLEASE!!!
how did the supreme court decision in Worcester V.Georgia and the Indian removal act lead to the removal and resettlement of native Americans groups? Can anyone help me with this please?
asked by Mary 
physics
The position of a particle moving along the xaxis is given by x = (13 + 11t − 1.5t2), where t is in seconds and x is in meters. What is the average velocity during the time interval from t = 1s to t = 4 s?
asked by TNT 
math
In a game of lawn bowls, the object is to bowl a biased ball so that it gets as close as possible to a smaller white ball called a jack. During a game, a player will sometimes bowl a ball quite quickly so that it travels in a straight line in order to
asked by anonymous 
physics
The position of an object as a function of time is given as x = At3 + Bt2 + Ct + D. The constants are A = 2.3m/s3, B = 1.8m/s2, C = −4.3m/s, and D = 2 m.(a) What is the velocity of the object at t = 12s? (b) What is the acceleration of the object at t =
asked by TNT 
science
What is a simplified, constructed version of a more complex system? a replica a model a minisystem a hypothesis B?
asked by Bri 
physics
The velocity as a function of time for a car on an amusement park ride is given as v = At2 + Bt with constants A = 2.9m/s3 and B = 1.3m/s2. If the car starts at the origin, what is its position at t = 4.2s?
asked by TNT 
Math
Write the fraction as a percent. If necessary, round to the nearest tenth of a percent. The fraction is: 6 4/5. ANSWER CHOICES: A: 68 B: 6.8 C: 6.4 D: 680 I think it is either A or D. Please help me.
asked by Evalyn Carver 
Math
Can you help me write this percent as a fraction please? The percent is 365. I already wrote it as a decimal which is 36.5. I just need help writing it as a fraction now.
asked by Evalyn Carver 
physics
A ball is tossed vertically upward with an initial speed of 18.2 m/s. How long does it take before the ball is back on the ground? (Assume the ball is tossed upward from the ground.)
asked by TNT 
physics
An airplane starts from rest and accelerates at 11.5m/s^2. What is its speed at the end of a 655m runway?
asked by TNT 
Math
the position vectors od points A and B woth respect to the original O, are (8,5)and (12,5) respectively. point M is the midpoint of AB and N is the midpoint of OA. Fin the coordinate of N and M; the magnitude of NM
asked by K 
science
Which option correctly describes the scientific way of thinking? (Select all that apply) skeptical empirical practical rational A,D?
asked by Bri 
physics
A ball is thrown directly downward, with an initial speed of 11m/s, from a height of 56m. After what time interval does the ball strike the ground?
asked by TNT 
Science
How could you use your open circuit to test if a material is a conductor or insulator? I'm thinking that you would have to use the resistance of a light bulb. If you set it all up, and the light bulb did not turn o, you have an insulator, if it did turn
asked by <R a c h e l> 
physics
A ball spins on a 0.5mlong string with a speed of 3.8m/s. Calculate the acceleration of the ball.
asked by TNT 
physics question
What factors affect the frequency of a wave? A. the amplitude B. the energy of the wave C. the wavelength of the wave D. the material through which it travels E. the velocity of the wave I said C,D, and E. Should there be anything else?
asked by tyger2020 
geography
What line of latitude marks the northern border of New York and Vermont? N 45 degrees? What is the capital of the nation whose southern border is comprised of the Persian Gulf and the Gulf of Oman? Iran capital Tehran?
asked by Anonymous 
Math
Help! I really hate these kind of questions because this is my weak point. (Don't ask why. I just don't understand these kind of questions that easily) Find 19/25 of $25,000. A: $2,500 B: $15,000 C: $19,000 D: $1,900 I think it's either C or B. Those are
asked by Evalyn Carver 
algebra 9th grade
write this in exponential form ^7 square root of b (7 is on outside as an exponent) thanks!
asked by Marilyn 
Heath and PE
According to the dietary guidelines for Americans, which of the following is important in order to maintain a healthy weight? Get all the nutrients your body needs Balance calories eaten with activity level Wash hands when preparing food Eat nutrientdense
asked by KAT 
physics
Let = 2 î + 3 ĵ and = 2 î  2 ĵ. Find the magnitude of the following. (a) and (b) + (c)   2
asked by TNT 
math
1) John usually gets to work by driving 29 miles down Greenwich Street, which goes from his house to his office in a straight line. One week, Greenwich Street is closed due to construction, so John gets to work by driving 13 miles wests on 57th street, and
asked by aline 
physics
A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 14 m/s. If the brick is in flight for 3s, how tall is the building?
asked by TNT 
science
Define deductive reasoning. using general theories or principals to make predictions about more specific situations using specific observations in order to come to more general conclusions using specific observations in order to come to specific
asked by Bri 
physics
In the figure below, a stone is projected at a cliff of height h with an initial speed of 44m/s directed 60° above the horizontal. The stone strikes at A, 5.8s after launching. (a) Find the height, h, of the cliff. (b) Find the speed of the stone just
asked by TNT 
Algebra
Adult tickets to a play cost 20.50, and student tickets are 16.00. Ms powers can spend no more than 120.00 on tickets. If she buys 3 student tickets, how many adult tickets is she able to buy? Use a linear inequality in two variables to explain your
asked by Jackson 
physic
Does anybody know how I can find the mass of the electron for this question. I need to find it first to solve for the real one but don't see mass anywhere in the question.I see radiant and speed but no mass The radius of circular electron orbits in the
asked by joy 
physics
An Earth satellite moves in a circular orbit 616 km above the Earth's surface. The period of the motion is 96.8min. (a) What is the speed of the satellite? (b) What is the magnitude of the centripetal acceleration of the satellite
asked by TNT