Questions Asked on
November 21, 2014

MATH ONE QUESTION!!!!!!
The graph shows the number of handbags that Mandy made in one day. What are the variables? Describe how the variables are related at various points on the graph. I will attach the graph in the comments right now:)
asked by SURFINGLOVER 
math
The temperature in your house is controlled by a thermostat. The temperatures will vary according to the sinusoidal function:f(x)=6sin(pi/12(x11)+19, where f(x) represents the temperature in degrees Celsius (°C) and x is hours since midnight. What is the
asked by Anonymous 
solar cells
Imagine that you are in the lab and you can decide the thickness of the Si layer of your solar cell. You want to optimize the solar cell performance for a wavelength of λ=1000nm, for which the absorption coefficient is α(1000nm)=102cm−1. Which of the
asked by Lahore 
physics
A bowling ball of mass 9 kg hits a wall going 11 m/s and rebounds at a speed of 8 m/s. What was the impulse applied to the bowling ball?
asked by kristine 
Math
A group of scientists found a new species of spider in the desert. The body temperature of the spider appears to vary sinusoidal over time. A maximum body temperature of the spider reaches 125? after 15 minutes from the start of the examination. Then, 14
asked by Anonymous 
plz help. math
a caterer is planning a large dinner party for 165 guest. each table must get an equal number of guest, more than 1 guest and fewer than 20. Determine the number of possible table sizes. if the caterers use 11 person tables. how many will they need? there
asked by Beckey! 
math
A ball is thrown vertically upward with an initial velocity of 5 ft/sec from a height of 20 feet. Which function models its motion? i literally am lost and have no idea how to this problem. if i could have help with the steps on how to do the problem and
asked by Natalie 
English/concrete nouns
Select all of the concrete nouns. iron anger faith toolbox perseverance lamb grace tooth I think it's B,C,E, and G
asked by Casey 
Math
The police can determine the speed a car was traveling from the length of the skid marks it leaves. The function they use is S = f(L) = 2sqrt(5L) where S is speed (mph) and L is the length of the skid marks (feet) (a) If skid marks of length 125 feed are
asked by Dawn 
math
At the amusement park, you decide to ride the Ferris wheel, which has a maxmum height of 80 meters and a diameter of 40 meters. It takes the wheel seven minutes to make one revolution. If you start your ride at the midline and the ferris wheel rotates
asked by jackie 
math
At the amusement park, you decide to ride the Ferris wheel, which has a maximum height of 80 meters and a diameter of 40 meters. It takes the wheel seven minutes to make one revolution. Write the sinusoidal function, f(t), that models the height of your
asked by kat 
Physics
Two disks are rotating about the same axis. Disk A has a moment of inertia of 3.1 kg · m2 and an angular velocity of +8.0 rad/s. Disk B is rotating with an angular velocity of 10.2 rad/s. The two disks are then linked together without the aid of any
asked by Morgan 
Science Help
Which of the following is not a goal of the clean water act? A. Controlling water pollution from point sources B. Encouraging voluntary cooperation by citizens related to nonpoint sources of pollution. C. Educating citizens about the importance of reducing
asked by callie 
mixture problems
A chemist has two solutions of sulfuric acid. One is a 25% solution, and the other is a 50% solution. How many liters of each does the chemist mix to get 10 liters of a 40% solution? 25% solution L: 50% solution L:
asked by Kendall 
science
A swimming pool measures 10m by 7m by 2m calculate the full force exerted by the water against the bottom. What is the pressure at the bottom due to the water?
asked by christina 
Int.science/Laws of Thermodynamics
The outward evidence for this transformation can be seen only in the mechanical motion of the motor. True False
asked by Casey 
Math Help!!!
what is the solution to square root 75 to the nearest integer? 9******* 8 8 9
asked by math help asap 
Physics
Starting from rest, a basketball rolls from the top of a hill to the bottom, reaching a translational speed of 3.83 m/s. Ignore frictional losses. (a) What is the height of the hill? I've tried to use the mgh=1/2mv^2. I think it's because it's
asked by Stacie 
Math
The product of Greg's age and 5 is 55 Use the variable G to represent Greg's age
asked by Anonymous 
Math
Find all values of c such that 3^(2c+1)=28*(3^c)9. If you find more than one value of c, then list your values in increaing order, separated by commas.
asked by Lilly 
Math
Find all real solutions x to (4^x)(2^x)=56. Please explain in steps! Thank you.
asked by Carla 
chem
19. A radioactive nucleus decays to yield a bismuth211 nucleus and an alpha particle. What was the identity of the original nucleus? Show the nuclear equation that leads you to this answer.
asked by Zak 
math help
Factor f(x) into linear factors given that k is a zero of f(x). f(x)=x^3+(124i)x^2+(3248i)x128i, k=4i In completely factored form, f(x) =____ (factor completely. simplify your answer)
asked by Ernie 
Science Help
Which of the following statements describes the conservation od a natural resource? A. A factory burns coal to run its machines. B. A solar energy company harvests energy from sunlight. C. Lights in a house are turned off when not in use. D. A wind energy
asked by Callie 
algebra
The length of a rectangle is 3 more than twice the width. The area of the rectangle is 119 square inches. What are the dimensions of the rectangle? If x = the width of the rectangle, which of the following equations is used in the process of solving this
asked by steven 
algebra
The stopping distance s of a car varies directly as the square of its speed v. If a car traveling at 30 mph requires 81 ft to stop, find the stopping distance for a car traveling at 55 mph.
asked by lakpa 
physics
an ice skater applies a horizontal force to a 20 kg block on frictionless, level ice causing the block to accelerate uniformly at 1.4 m/s^2 to the right. after the skater stops pushing the block it slides onto a region of ice that is covered with a thin
asked by Maria 
Math
A tightrope walker attaches a cable to the roofs of two adjacent buildings. The cable is 23.5 m long. The angle of inclination of the cable is 13 degrees. The shorter building is 12.0 m high. What is the height of the taller building to the nearest tenth
asked by Anonymous 
physics
a race car starts from rest on a circular track.the car increases its speed at constant rate at as it goes 2.75 times around the track.find the angle that the total acceleration of the car makes with the radius connecting the centre of the track and the
asked by abera 
math
sue buys 8.5 pounds of chicken to make tacos. she uses 0.3 pound of chicken. how many tacos can sue make? how many pounds of chicken are left over?
asked by Cosmic 
Advanced Finance
6. (TCO F) Suppose the December CBOT Treasury bond futures contract has a quoted price of 8007. What is the implied annual interest rate inherent in the futures contract? Assume this contract is based on a 20year Treasury bond with semiannual interest
asked by Charles 
thermodynamics
The outward evidence for this transformation can be seen only in the mechanical motion of the motor. True False
asked by Casey 
Math Help!!!
please check my answers 1. Find the length of the hypotenuse of a right triangle with the legs of 9cm and 12cm A.8 B.21 C.15 *** D.225 2.The length of a hypotenuse of a right triangle is 13cm. The length of one leg is 5cm. Find the length of the other leg.
asked by math help asap 
Chemistry
when electricity is passed through water, the water decomposes into hydrogen gas and oxygen gas. when 10.00 kg of water were decomposed this way, 5788 l of oxygen gas were produced at 25 degrees celsius and 1 atm pressure. what is the percent yield of
asked by Noah 
Math
Sue can either borrow 10,000 dollars for 5 years with a simple interest of 7% annually or an interest which compounds annually for 6%. How much more money, rounded to the nearest dollar, would she have to pay back for the more expensive interest
asked by Trish Goal 
Math Check please
Suppose c is inversely proportional to the square of d. If c = 4 when d equals 3.find the constant of proportionality and write the formula for c as a function of d c= 36/d^2 use your formula to find c when d is 5. is it 100/d2 or 100/5^2? I know the
asked by Taylor 
chemistry
If 35.0 mL of 0.210 M HCl reacts with excess Mg, how many mL of hydrogen gas are produced at STP? Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)
asked by Mike 
Geography
How has mexico's culture been shaped by conflict among other people?
asked by Connor 
Chemistry
in a particular redox reaction, MnO2 is oxidized to MnO4– and fe3+ is reduced to fe2+. Complete and balance the equation for this reaction in acidic solution. Phases are optional.
asked by lori 
Math Help
You got to go out to eat with your family, and you agree to leave the tip. What is a 15% tip on a $60.00 bill? A. $3.00 B. $6.00 C. $9.00 D. $12.00 Is the answer C? Thank you
asked by Callie 
Science Help
Which of the following is not a nonrenewable resource? A. Oil B. Petroleum C. Corn D. Gasoline Is the answer A? Thank you
asked by Callie 
math
Mandy is enlarging a photo that is 3 in. wide and 4.5 in long. if she wants the width of the enlargement to be 10 in, what will be the length??
asked by Lily 
physic
A cannon ball is fired at an angle of 30° above horizontal with an initial speed vi = 55 m/s. Assume the cannon ball leaves the cannon at ground level and ignore air resistance. (a) How long is the cannon ball in the air? (b) How far from the base of the
asked by Nicolas 
AP English Literature: The Odyssey
Hello. I am in need of some help with these following questions about The Odyssey: 1. When Odysseus finally lands upon the island of the Phaiacians, what happens which leads him to come out of disguise and reveal his true identity? A. Athena vows to
asked by Dennis 
science
which of the following shows the path followed by nerve impulses in a reflex motor neurons,interneurons in brain,sensory neurons or sensory neurons,interneurons in brain, motor neurons
asked by Anonymous 
Physics
A clock has a second hand whose tip rubs against the inside of the glass cover. If the frictional force between the glass cover and the tip of the second hand is 0.0020 N and the length of the hand is 9.5 cm, what is the minimum torque that must be applied
asked by Ann 
MAth Help
The function f(t)=22sin(piT/3 5)+80 is used to represent the changes in temperature of a chemical compound used in a lab. What is the vertical shift? I got the answer of 6. Is this correct?
asked by Anonymous 
Algebra
What is the range of the function f(x)=32*51^x? Give your answer as an interval.
asked by Rachel 
Math
Suppose 81^x=64. What is 27^(x+1)?
asked by Jake 
Int.science
When a motor is turned on, electrical energy is transformed to mechanical energy plus heat energy. True False
asked by Casey 
Algebra
At the beginning of each year, Joe invests $10,000 in his retirement fund. The fund gives 10% interestm compouned annually. At the end of the third year, how much money will be in Joe's fund?
asked by Lilly 
Spanish
in spanish Tell 3 things you do in the morning using reflexive verbs
asked by Asia 
physics
The position versus time for a certain object moving along the xaxis is shown. The object’s initial position is −2 m. Find the instantaneous velocity at 6 s. Answer in units of m/s
asked by Henry 
Living a Healthy Life
In America, _______ million children live in poverty. A. 37 B. 14 C. 7 D. 25 B.
asked by Amanda 
Math Help!!!
In this unit, you learned about different types of numbers that make up real numbers. Note the different types of numbers and provide two examples of each. Which of the number types is easiest for you to identify? Why?
asked by math help asap 
Chemistry
Balance the following equation in basic conditions CoCl2 (s) +Na2O2 (ag) > Co(OH)3 (ag)+Cl (ag) + Na+ (ag)
asked by lori 
physics
A 5 ft chain is sitting on a table with 2 ft hanging off (3 ft sitting on table). The table is 4 ft high, and the chain slides frictionless off the table. The chain weighs 15 lb. What is the velocity of the chain when it first hits the ground.
asked by Trevor 
Ratio  proportion  unit rate
1 quart = 4 cups each person will drink 2 cups. Unit price $5.99 per 1 quart box We have 24 guests what is the answer?
asked by Summer 
Math
Joanie takes a $6,000 loan to pay for her car. The annual interest reate on the loan is 12%. She makes no payments for 4 years, but has to pay back all the money she owes at the end of 4 years. How much more money will she owe if the interest compounds
asked by Emily Fisher 
chemistry
a mixture of 39.8g containing potassium chloride and potassium trioxochlorate (v) upon heating, the residue weighed 28.7g what is the percentage mass of potassium chloride in the residue?
asked by jacob 
DON VASCO PATNA
A salt solution of 15 litres contains 20% salt.How much water must you add to salt solution in order to dilute it 15% salt?
asked by YATHART 
math (fractions)
a _____________ has a whole number and a part.
asked by ary 
Physics
A volleyball court is 18 m long from baseline to baseline and the net is 2.24 m high. A volleyball player serves the ball from the baseline by hitting it at a height of 2 m above the floor at an angle of 10 degrees above the horizontal. A.) If the ball is
asked by Beans 
math
A boat travels 23 mph relative to the riverbank while going downstream and only 11 mph returning upstream. What is the boat's speed in still water?
asked by gisela 
MATH
Kyle is making a model of an Egyptian pyramid for his history class. Each side of the pyramid he makes has a base of 18.6 cm and height 14.8 cm. Calculate the height of Kyle's pyramid to the nearest tenth of a centimeter. Don't I need an angle to calculate
asked by Anonymous 
Math
Esmeralda said 4/3 is greater than 7/2 is she right explain your answer.
asked by Esmeralda 
math
A plane makes an 900mile flight in 3 1/3 hours against a strong head wind, but returns in 50 minutes less with the wind. What is the plane's speed without the wind?
asked by gisela 
math
A manufacturer of lapel buttons test marketed a new item at a university. It was found that 1,000 items could be sold if they were priced at $4, but only 600 items could be sold if the price were raised to $8. On the other hand, the manufacturer finds that
asked by Kendall 
college algebra
An investment initially worth $5300 earns 7.7% annual interest, and an investment initially worth $8000 earns 5.6% annual interest, both compounded annually. How long will it take for the smaller investment to catch up with the larger one?
asked by Brett 
Math
f(x) = 3x^2 , g(x) = 3x1, and m(x) = 4x Find and simplify the composition function g(m(f(x))) answers i got which were wrong 3x1(12x^3) 36x^412x^3 Maybe i am putting the information in incorrectly.. Should it look like this (3x^2(4x(3x^2))) then solve?
asked by taylor 
science
i have BaCl2.2H2O ,how can i get BaCl2.6H2O from it. or i have CuCl2.2H2O how can i get CuCl2.6H2O from it. actually i am working in the field of nanotechnology. trying to prepare nanoferrites. now am trying to prepare copper doped barium
asked by Jaspreet 
physics
A car of mass 200g moving at 15.0m/s is accelerated to 25.0m/s in a time of 10.0 seconds determine the accelerating force and calculate the work done on the body
asked by emmanuella 
Math
use truth table to verify: 1.Distributive law P conjunction ( q disjunction r )= ( p conjunction q ) disjunction ( p conjunction r) 2.Associative law ( p disjunction q) disjunction r = p disjunction ( p disjunction r ) ( p conjunction q) conjunction r= p
asked by Noor 
MATH
2 A B + A B 1
asked by siddhi jain 
physics
A launching mechanism consists of an arm (uniform rod with mass 250. g and length 75.0 cm) with a holder (negligible mass) at one end mounted to a hub of radius 3.00 cm and negligible mass at the other end. A string is wrapped around the hub and passes to
asked by Sham 
math
8A5 +
asked by siddhi jain 
math
8 A 5 + 9 4 A
asked by siddhi jain 
Question
What can be in a Manipulative &Math Center
asked by Anonymous 
MATH
2 A B + A B 1
asked by siddhi jain 
math
8 A 5 + 9 4 A
asked by siddhi jain 
dr.virendra swarup educationcentre
Construct a triangle ABC such that BC=5.2 cm , AB=4.8cm and median CM= 3.6cm
asked by sachin 
physics
A particle of mass and initial velocity strikes a stationary particle of mass . The collision is elastic. It is observed that after the collision the particles have equal and opposite velocities: Find (a) the ratio ; (b) the velocity of the CM (before and
asked by Alex 
physics
If the athlete lies down on the ground on his back,his weight is spread over an area of 0.75 meter square. How much pressure does he exert on the ground in this position?
asked by sana 
algebra 2
12x^22x2=0
asked by anonymous 
CIS
Create three arrays of type double. Do a compiletime initialization and place different values in two of the arrays. Write a program to store the product of the two arrays in the third array. Write a method to display the contents of all three arrays
asked by Pavan 
s.s
how did the patriots change the outcome of the war
asked by edu 
Algebra 2
Solving Quadratic Systems x+2y=4 3xy=5 Please show work!!!
asked by Alicia 
Algebra 2
Solving Quadratic System y=4x+1 2xy+1 Please show work!!!
asked by Alicia 
Math Help
Estimate 78% of 20. A. 14 B. 16 C. 19 D. 2 Is the answer B? Thank you
asked by Callie 
math
write the folowing in ascending order:2/3, 1/2, 4/5, 7/20
asked by Anonymous 
MATH
Find the formulas for the functions f(g(x)) and g(f(x))when f(x) = 2/x and g(x) = 2x^21 f(g(x)) = ? g(f(x)) = ? for f(g(x)) would it be 2/x(2x^21) or g(f(x)) 2x^2(2/x)1? Would i solve like this? also when I tried to input the answer after solving didn't
asked by Randy 
Physics
2 vectors have same magnitude.The magnitude of the resultant vector of these 2 vectors are same as either of both vectors.What is the angle between 2 vectors?
asked by Tangy 
Math Help!!!
define each term and give at least 2 examples of each whole numbers natural numbers integers rational numbers irrational numbers
asked by Anonymous 
Physics
An airplane flies at a constant speed in a straight line. A bale of hay is dropped from the bottom of the plane to some cattle in a snowstorm. When the bale hits the ground, where is the plane? (Ignore air resistance) Explain your answer!
asked by Bethany 
Science
2 vectors have same magnitude.The magnitude of the resultant vectors is same as either of both vectors.What is the angle between 2 vectors?
asked by Tangy 
Science Skin
How thick is the epidermis as compared to the dermis as compared to the subcutaneous layer? Is there a comparison? If not, then how thick is the epidermis, dermis, and subcutaneous in thick skin?
asked by Salli 
Earth Science  NEED HELP QUICK
What is the thickness of the layer from 1000  850 mb if the mean temperature of the layer is 2 C? From what it says in my textbook it seems as if mb = hPa so all you do is 850  1000 = 150 hPa but I am pretty sure that is wrong because what do you do
asked by Sarah 
Science Help
Selectively cutting down trees on an area of land can best be describes as A. Cutting down certain trees while leaving other trees standing. B. Cutting down all of the trees and smaller plants. C. Cutting down none of the trees on the land. D. Cutting down
asked by Callie 
Int.science/Laws of Thermodynamics
The efficiency of the engines in the two previous problems are the same, comparing the input and output temperatures. True False
asked by Casey 
Physics
A marble rolls down an incline of 30 degrees. If the marble is initally at rest at the top of the incline of length 2.0 meters what will the speed of the marble be at the bottom of the incline (a) if the incline is rough enough to prevent any slipping [ it
asked by Anonymous 
Living a Healthy Life
Refrigerated foods should be stored at _______ degrees Fahrenheit or lower. A. 45 B. 35 C. 55 D. 31 B.
asked by Amanda 
Physics
A wheel starts from rest and rotates about its axis with constant angular acceleration. After 8.7s have elapsed, it has rotated through an angle of 20 radians. What is the angular acceleration of the wheel? What is the angular velocity when the time t =
asked by Ann 
Science Help
Using coal for fuel releases pollution into the atmosphere. Why do people continue to use coal if it causes pollution? A. Using more coal reduces the amount of pollution from using oil. B. Using coal is realtivly inexpensive. C. Mining coal helps
asked by Callie 
Living a Healthy Life
Blood pressure is a measure of A. oxygen levels in the blood. B. the ratio of red blood cells to white blood cells. C. how hard the heart is working. D. the pressure exerted by hemoglobin against the vascular walls. D.
asked by Amanda 
Math
What is the degree measure of the angle through which the hour hand on a clock rotates from 4:00 pm to 8:00 pm?
asked by Laya 
algebra
Solve this quadratic equation x^2 + 5x + 3 = 0
asked by steven 
Algebra 2
Solving Quadratic Systems x^2+y^2=10 2x+y=4 Please show work I need to know how to do it
asked by Genesis 
Physics
A distant planet has a mass of 0.6400 ME and a radius of 0.9000 RE. What is the ratio of the escape speed from this planet to the escape speed from the earth?
asked by Ann 
Math
h(x)= 3x+2/7x6 find the inverse of h^1(x) h^1(x) = ? Would I solve it like this h(x)= 3x+2/7x6 7xy6y=3x+2 (bring 7x6 to other side) i got confused here. Would i try to bring the 6y over to the right and then the 3x+2 to the left to get Y by itself.
asked by Sarah 
physics
A dog sled team is pulling a sled across a flat patch of snow. The total force exerted by the four dogs is 475 N (applied horizontally). The sled (with driver on it) weighs 350 kg. and the coefficient of kinetic friction between the sled and the ground is
asked by Nicolas 
Science Help
The process of desertification can occur when A. Plants usually found in the desert replace trees that have been cut down. B. Farmers use contour farming techniques. C. An area of forest is clearcut. D. An area of forest is selectively cut. Is the answer
asked by Callie 
math
terrence's brother decided to share some pizza with terrence and his sister. if terrence ate 1/4 of the pizza, his brother ate 3/16 of the pizza, and altogether the three ate 5/8 of the pizza, how much did the sister eat?
asked by Anonymous 
please help
i posted at 12:00 about math... please help for my son.
asked by Anonymous 
s.s
describe the conditions that the soldiers faced in valley forge in the winter of 177778. Why do you feel that soldiers remained in valley forge despite the conditions?
asked by edu 
network
what is ip?
asked by Nafisa 
Science Help
Renewable resources are considerered better for the enviorment because A. They are less expensive to harness. B. Once they are harnessed, they can be replaced. C. They do not cause any pollution. D. Using renewable resources encourages people to plant more
asked by Callie 
Living a Healthy Life
Blood pressure is a measure of A. oxygen levels in the blood. B. the ratio of red blood cells to white blood cells. C. how hard the heart is working. D. the pressure exerted by hemoglobin against the vascular walls. D.
asked by Amanda 
English
how to write a conclusion for Tochi's essay?
asked by Austin 
algerbra
A triangle has sides of and 3. Which could not be the length of the third side if it is a right triangle? i need help anyone?
asked by steven 
math
Which point represents a number that makes this statement true? 64.8 < < 65. 4 assessment graphic
asked by Aneesa 
math
At the amusement park, you decide to ride the Ferris wheel, which has a maximum height of 50 meters and a diameter of 35 meters. It takes the wheel three minutes to make one revolution. If you start your ride at the midline and the ferris wheel rotates
asked by jackie 
Algebra 2
More About Complex Numbers squ. root 5+i/squ. root 5i I don't know if you understand this equation, but could you help me.
asked by Ariana 
science
4 answers energy flow in ecosystem?
asked by sadie 
math
Which is an example of an algebraic expression? A. 2k + 25 B. z – 8 = 44 C. 3 + 7 = 10 D. 76 – 10
asked by britney 
Math
Pierre is pouring concrete to create the foundation of a square deck covering 112 square feet. Which is the best estimate of one side of the deck? Round to the nearest tenth, if necessary. 10 ft 10.3 ft 10.6 ft 11 ft I'm going with 10.6. Am I correct?
asked by Jaxon 
math please help!!!!!
Factor f(x) into linear factors given that k is a zero of f(x). f(x)=x^3+(124i)x^2+(3248i)x128i, k=4i In completely factored form, f(x) =____ (factor completely. simplify your answer)
asked by Ernie 
Quantitative Methods
7) President’s job approval rating is frequently reported in news programs. You will hear statements such as: “Among likely voters, the President’s job approval rating is 46% with a margin of error of 6%.” a) What percent confidence interval do you
asked by EJ 
science
As an object get farther from earth is A. its weight increase B.it weight decrease C. it mass decrease D. it weight remains the same I am not sure but is it A(or b)
asked by edu 
algebra
Which of the following points lies on the circle whose center is at the origin and whose radius is 10 (6,4) (/10,/10) (6,8)
asked by steven 
Math
What is the vertex of y=7(x+5)^2+4?
asked by Alex 
Algebra Help please!
I already posted this question,and Henrey answered it. I just wanted to clarify a few things to make sure I am on the right track Problem: Joanie takes a $6,000 loan to pay for her car. The annual interest reate on the loan is 12%. She makes no payments
asked by Trish Goal 
Physics
A 30caliber rifle with a mass of 3.54 kg fires a 7.33 g bullet with a speed of 596 m/s with respect to the ground. What kinetic energy is released by the explosion of the gunpowder that fires the bullet? (Note there is a tolerance 0.1 percent for the
asked by Ann 
Physics
A wheel starts from rest and rotates about its axis with constant angular acceleration. After 8.7 s have elapsed, it has rotated through an angle of 20 radians. I found that the angular velocity at 8.7 s is 4.60 rad/s. What is the angular acceleration of
asked by Ann 
Math
The function f(x)=ax^2 satisfies f(2)=1 and f(32)=4. Find r.
asked by Jennifer Choi 
Math
A savings account at Xyz bank offers 4% interest, compounded annually. How much money must I invest today in order for the account to grow to $5,000 in ten years? Answer to the nearest whole dollar.
asked by Brittany 
Physics
A 24.5kg child is standing on the outer edge of a merrygoround which has moment of inertia 989 kg • m2 and radius 2.40 m. The entire system is initially rotating at 0.180 rev/s. Find the angular velocity if the child moves to a final position 1.10 m
asked by Anonymous 
Reading
"Is Facebook making us lonely" Just to check my understanding on this article,I decided to write a summary.. Please check by reading this article.. Basically the author is trying to say that Facebook connects people with each other but it does not bond
asked by Anonymous 
science
an object's resistance to change in motion is called is A. Density B. Inertia C. Mass D. Degrees
asked by edu 
Math
multiply p(p+q+2)
asked by Michelle 
math
multiply (5p)(5+p)
asked by Michelle 
Precalc
Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle
asked by Lily 
math
(q^2 +3)(q^2 2)mulitply
asked by Michelle 
physics
A cannonball is fired with a velocity of 551 m/s. If the cannon is aimed 12° above the ground, how far away does the cannonball land? Ignore air resistance and use 9.8 m/s2 for acceleration due to gravity.
asked by tommy jinkins 
Math
h(x) = log (6x+5/7x4) Find a formula for the inverse function h^1(x) h^1(x) = My work so far h(x) = log(6x+5/7x4) y=log(6x+5/7x4) x=log(6y+5/7y4) 7xy4x= log(6y+5) how would I solve from here. Would I solve for y then do the natural log of both sides
asked by Sarah 
ET1210Dc/Ac Circuits
if a certain number of equal resistors are wired in series across a certain voltage source, determine how much voltage is across each resistors.
asked by patrena 
ET1210 Dc/Ac Circuits
When you know the wattage and applied voltage of a light bulb, determine its resistance
asked by Trena 
physics
A 30caliber rifle with a mass of 2.80 kg fires a 9.84 g bullet with a speed of 726 m/s with respect to the ground. What kinetic energy is released by the explosion of the gunpowder that fires the bullet?
asked by Max 
math
express 4(5x+3)/25x^29
asked by Celine 
Math
f(x) = 6 / 5+x g(x) = f(f(x)) find a formula in terms of x ,for g^1(x)
asked by Blane 
Living a Healthy Life
A child who has to struggle to climb into a chair is confronting a(n) _______ hazard. A. environmental B. biological C. physical D. ergonomic C.
asked by Amanda 
Math Question
If the angle 1500o is in standard position, state the quadrant in which it's terminal side lies.
asked by Tamia 
Math Help!!!
. note: remember to show all of the steps that you used to solve the problem. at a halftime show, a marching band marched in formation. the lead drummer started at a point with coordinates (2,5) and moved 3 steps up and 1 step right. a. write a rule to
asked by math help asap 
Algebra
y=25x+500 solve for x solve for y
asked by karen 
Living a Healthy Life
Which type diapers meet the American Health Association's standards? A. Paper diapers with absorbent gelling materials B. Cotton diapers C. Diapers composed entirely of paper composite D. Recycled diapers A.
asked by Amanda 
mixture problems
How many gallons of 45% butterfat cream must be mixed with 500 gallons of 3% butterfat milk to obtain a 5% butterfat milk?
asked by Kendall 
Living a Healthy Life
At what age does exercise begin to result in strength in boys and girls? A. Between ages five and six B. Between ages six and seven C. Between ages three and four D. Between ages one and two B.
asked by Amanda 
physics
A clock has a second hand whose tip rubs against the inside of the glass cover. If the frictional force between the glass cover and the tip of the second hand is 0.0010 N and the length of the hand is 6.5 cm, what is the minimum torque that must be applied
asked by Max 
Living a Healthy Life
Which of thefollowing is a suitable toy for a toddler? A. A walker B. A trampoline C. A riding toy D. Powdered clay C.
asked by Amanda 
Chemistry
A sample of sodium sulfate, Li2SO4, contains 6.78 x 10^23 formula units. How many moles of Li2SO4 are there in the sample? How many moles of Li+ ions are there in the sample?
asked by Sam 
Question
What are Behavioral Objective for a Hopscotch
asked by Anonymous 
Chemistry
A sample of toluene, C7H8 has a mass of 74.5 g. How many moles of benzene does it contain? How many molecules does the sample contain? How many carbon atoms does it contain?
asked by Danny 
Physics
An iron disk has a radius of 0.625 m and a mass of 217 kg. The disk is mounted on its axis so that it is free to spin. How much force is required if the force is applied at a distance 19.5 cm from the axis of rotation?
asked by Ann 
English PLEASE!!!
A thermostat is a device used to adjust the temperature indoors. Which of the following explanations best interprets the author's intended meaning in the bolded words in following sentence? "The Church was a thermostat that transformed the mores of
asked by school lover 
Living a Healthy Life
Some child psychologists have concluded that _______ is the strongest predictor of both scholastic and career achievement. A. respect for authority B. inherited intelligence C. emotional wellbeing D. physical illness C.
asked by Amanda 
Physics
1. Determine the specific heat of a certain metal if a 450g sample of it loses 34,500 joules of heat as its temperature drops by 97degC. 2. The temperature of a 55g sample of a certain metal drops by 113degC as it losses 3,500 J of heat. What is the
asked by Hershey 
Physics
1. A student lifts his 2.0kg pet rock 2.8m straight up. He then lets it drop to the ground. Use the Law of Conservation of Energy to calculate how fast the rock will be moving ..... a. half way down b. just before it hits the ground 2. A 65kg girl is
asked by Hershey 
Chemistry
A 3.78 g sample of ethanol (C2H5OH) was burned completely in a bomb calorimeter. The temperature of the calorimeter plus the contents increased from 25.6oC to 35.2oC. Knowing that ethanol's heat of combustion is 3600 kJ/mol, calculate the total heat
asked by Amanda 
Physics
Two workers are sliding 310kg crate across the floor. One worker pushes forward on the crate with a force of 440N while the other pulls in the same direction with a force of 230N using a rope connected to the crate. Both forces are horizontal, and the
asked by omar 
math
9i / 3+8i
asked by maria 
Physics
A wheel starts from rest and rotates about its axis with constant angular acceleration. After 8.7s have elapsed, it has rotated through an angle of 20 radians. What is the angular acceleration of the wheel? What is the angular velocity when the time t =
asked by Ann 
Algebra II
I have some questions regarding syntheetic division. f(x) = x3  9x + 3
asked by Rashad 
math
p= x^225x+5000
asked by monique 
Math
Beginning January 1, Community Hospital had 175 inpatient beds. On June 15, the bed count was increased to 200. The hospital provided 67,106 service days to inpatients and 68,012 service days to discharged patients. In addition, there were 9,601 admissions
asked by Beth 
algebra 2
Simplify. 1.) 2•√25/26 2.) √a^2/b^5 3.) √a/b √a^2/b^2
asked by Janet 
Math
Use properties to evaluate the expression. (19 + 28) + 21
asked by Britney 
Vocabulary
A midpoint of sequence of numbers. A. Mean B. Median C. Mode D. Zero
asked by Kassie