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Questions Asked on March 26, 2013

Outside temperature over a day can be modelled as a sinusoidal function. Suppose you know the temperature is 80 degrees at
1. 3 answers
2. asked by marie darling
3. 40,373 views
Which of the following types of information is NOT suited for display on a scatter plot?1. relationship between age and number
1. 12 answers
2. asked by Mr.Brain
3. 7,062 views
A cargo plane is moving with a horizontal velocity ofvx = +225 m/s at a height of y = 920 m above level ground as shown in the
1. 2 answers
2. asked by Dan
3. 5,238 views
Calculate the quantity of energy required to change 3.00 mol of liquid water to steam at 100°C. The molar heat of vaporization
1. 2 answers
2. asked by Emily
3. 4,694 views
Bill and Steve decide to spend the afternoon at an amusement park enjoying their favorite activities, the water slide and the
1. 3 answers
2. asked by Jeconiah
3. 4,521 views
A ferris wheel is 20 meters in diameter and boarded from a platform that is 3 meters above the ground. The six o'clock position
1. 1 answer
2. asked by Anonymous
3. 4,379 views
A test rocket is launched vertically from ground level (y=0m), at time t=0.0 s. The rocket engine provides constant upward
1. 2 answers
2. asked by Renay
3. 4,185 views
Graph the quadratic functions y = -2x2 and y = -2x2 + 4 on a separate piece of paper. Using those graphs, compare and contrast
1. 3 answers
2. asked by ear
3. 4,005 views
A 30.3-kg child starting from rest slides down a water slide with a vertical height of 10.5 m. (Neglect friction.)(a) What is
1. 2 answers
2. asked by Anonymous
3. 3,756 views
A model car is constructed with a scale of 1 : 15. If the actual car is 12 feet long, which proportion represents the length x
1. 1 answer
2. asked by Danielle
3. 3,452 views
Write the standard form of the equation of the circle x^2+y^2+4x-2y-20=0. Find the center and radius.How do I do this? pleaaase
1. 2 answers
2. asked by ayonna
3. 3,266 views
Q: What is the difference between 'playing field' and 'playground' in meaning?
1. 1 answer
2. asked by rfvv
3. 3,168 views
A stopper tied to the end of a string is swung in a horizontal circle. If a mass of the stopper is 13.0 g, and the string is
1. 1 answer
2. asked by Ted
3. 2,847 views
9.Name the triangles that are classified by angles. (1 point) right, scalene, isosceles scalene, isosceles, equilateral acute,
1. 5 answers
2. asked by Delilah
3. 2,749 views
1. A global network connecting millions of computers worldwide is called:A. the World Wide Web. B. Facebook. C. the Internet. D.
1. 3 answers
2. asked by Amy
3. 2,719 views
Let ABC have side lengths AB=13, AC=14, and BC=15. There are two circles located inside <BAC which are tangent to rays AB, AC ,
1. 1 answer
2. asked by Knights
3. 2,706 views
Is your consumer behavior influenced by advertising or the news? Discuss one or two examples of media that have influenced your
1. 2 answers
2. asked by christian
3. 2,359 views
Suzanne has a liter of apple juice. How many cups with a capacity of 100 mL can she fill with apple juice?
1. 5 answers
2. asked by Olivia
3. 2,324 views
when 4.50 g of fe2o3 is reduced with excess h2 in a furnace, 2.6 g of iron metal is recovered. What is the percent yield when
1. 2 answers
2. asked by Sammy
3. 2,314 views
An unknown liquid fills a square container of sides 10 m. What is the density of a material if the pressure 5 m below the
1. 1 answer
2. asked by Pri
3. 2,245 views
Which of the following is NOT a potential consequence of plagiarism?A. Academic warning B. Academic probation C. Failing the
1. 2 answers
2. asked by Amy
3. 2,133 views
The power radiated by the sun is 3.90 1026 W. The earth orbits the sun in a nearly circular orbit of radius 1.50 1011 m. The
1. 1 answer
2. asked by Elizabeth
3. 2,104 views
Jesse travels 3.0 meters east and then turns and travels 4.0 meters north. The trip requires 35 seconds. What is his velocity?
1. 3 answers
2. asked by keisha
3. 2,021 views
On your last credit card statement, you had a previous balance of $567.18, payments of $120, a periodic rate of 1.56 percent,
1. 1 answer
2. asked by Taylor
3. 1,987 views
after 30s, a runner is spriting at 3m/s. But, 10s later, the runner is sprinting at 3.8m/s. What is the runner's acceleration
1. 3 answers
2. asked by sahira
3. 1,931 views
what are the symbols of the story tuesday siesta?
1. 1 answer
2. asked by lauren
3. 1,908 views
Margie is responsible for buying a week's supply of food and medication for the dogs and cats at a local shelter. The food and
1. 1 answer
2. asked by Jeconiah
3. 1,882 views
Are the following examples physical changes or chemical changes.Mixing yeast and sugar Dissolving sugar in water Slicing bread
1. 3 answers
2. asked by Carol
3. 1,869 views
7. Which of the following changes gives no evidence that a chemical reaction has taken place?A cube of solid forms a puddle of
1. 3 answers
2. asked by SpiersTheAmazingHd
3. 1,823 views
An elevator with a man inside, of gross mass 500KG, starts moving upwards with a costant acceleration and acquires a velocity os
1. 2 answers
2. asked by Sian
3. 1,813 views
A certain weak base has a Kb of 8.40 × 10-7. What concentration of this base will produce a pH of 10.34?
1. 2 answers
2. asked by Anonymous
3. 1,797 views
The cost of Admission to a fair is $10, plus $3 per ride. An equation for this relation is C=10+3r, where r represents the
1. 2 answers
2. asked by Cherie
3. 1,745 views
NaCl(s) + H2O(l) <--> Na(aq) + Cl(aq)If you added chloride ions to the above equilibrium, what would happen to the concentration
1. 4 answers
2. asked by K
3. 1,739 views
Prove: If the hypotenuse and an acute angle of one triangle are congruent respectively to the hypotenuse and an acute angle of
1. 2 answers
2. asked by Barb
3. 1,730 views
Use the intermediate value theorem to show that the polynomial function has a zero in the given interval.f(x)=9x^4-3x^2+5x-1;[0,
1. 4 answers
2. asked by Jenn
3. 1,675 views
find y' if arctan(xy)=6+x^(4)y
1. 3 answers
2. asked by Anonymous
3. 1,630 views
The forward primer was provided by the manufacturer as a lyophilized powder. If the manufacturer delivers 127.4 nmoles of this
1. 1 answer
2. asked by JEQPCR
3. 1,612 views
The National AIDS Behavioral Surveys interviewed a sample of adults in the cities where AIDS is most common. This sample
1. 1 answer
2. asked by Anonymous
3. 1,556 views
What career can I do with geography,economics,tourism and math literacy
1. 11 answers
2. asked by nompumelelo dube
3. 1,538 views
1.Given the altitude of lakes in feet: –12, –9, –14, –39, –49, –49, –18, –43, find the mean, median, mode, and
1. 9 answers
2. asked by Delilah
3. 1,482 views
Using chemical equations, show how the triprotic acid H3PO4 ionizes in water. Phases, such as (l) or (aq), are optional.
1. 1 answer
2. asked by Anonymous
3. 1,447 views
When you use the distance formula, you are building a _____ triangle whose hypotenuse goes between two given points.A.right
1. 2 answers
2. asked by Brad
3. 1,402 views
What was the first territory to shed blood in a civil war over slavery?A.Texas B.Kansas C.Missouri D.South Carolina I know there
1. 6 answers
2. asked by Cassie
3. 1,327 views
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = 0.04x+ 8.3x
1. 0 answers
2. asked by Jennifer W.
3. 1,316 views
during a race a runner runs at a speed of 6 m/s. 2 seconds later she is running at a speed of 10 m/s. what is runners
1. 2 answers
2. asked by trina
3. 1,251 views
As part of a fundraiser, you want the new dean to bungee jump from a crane. The jump will be made from 44 m above a 2.5 m deep
1. 1 answer
2. asked by Brandon
3. 1,250 views
The Navy wants a new airplane launcher for their aircraft carriers that is basically a large spring and your job is to determine
1. 0 answers
2. asked by Brandon
3. 1,218 views
I am trying to find:dy/dx for y = sec(tan x) I have the answer, but I have no idea how to get there. I know that the derivative
1. 2 answers
2. asked by Mary
3. 1,211 views
n elevator with a man inside, of gross mass 500KG, starts moving upwards with a costant acceleration and acquires a velocity os
1. 0 answers
2. asked by Sian
3. 1,183 views
find tan 30 degrees and tan 45 degrees using the 45-45-90 triangle therom and30-60-90 triangle theorm
1. 1 answer
2. asked by joan
3. 1,171 views
which native american tribes called New Mexico their home?
1. 2 answers
2. asked by PLEASE HELP
3. 1,157 views
Chiang picked 12 apples. She gave 1/6 of the apples to each of her 5 friends. How many apples did each friend get?
1. 1 answer
2. asked by Anonymous
3. 1,133 views
Calculate the morality of a solution made by mixing 250ml of 0.75M H2SO4 with 400ml of 2.5MH2SO4
1. 1 answer
2. asked by Alica
3. 1,123 views
From an ATP production viewpoint, use fact B to make a statement regarding the efficiency of fats vs. carbs.Fact b - Carbs bind
1. 1 answer
2. asked by Emily
3. 1,122 views
1. Research skills are fundamental to:A. academic writing. B. all types of writing. C. education, literature, business, and
1. 2 answers
2. asked by Amy
3. 1,115 views
does the sum 3/(2^(n)-1) converge or diverge?n=1--->infinity
1. 0 answers
2. asked by Liz
3. 1,105 views
85.0 of is initially at room temperature (22.0). A chilled steel rod at 2.0 is placed in the water. If the final temperature of
1. 2 answers
2. asked by Joshua
3. 1,098 views
Your artist friend's new work is a simple, high-impact kinetic sculpture called 'Destruction.' A 200-kg steel block is hung from
1. 1 answer
2. asked by Brandon
3. 1,094 views
Assume that previous fast-food research has shown that 80 percent of the consumers like curly French fries. The researcher
1. 1 answer
2. asked by Donna
3. 1,084 views
Starting from rest, a 10.7 kg block slides 2.60 m down to the bottom of a frictionless ramp inclined 30.0° from the floor. The
1. 0 answers
2. asked by Rob
3. 1,082 views
Use the intermediate value theorem to show that the polynomial function has a zero in the given interval.f(x)=4x^3+6x^2-7x+1;
1. 1 answer
2. asked by Ashley
3. 1,075 views
A dog kennel owner needs to build a dog run (rectangular area) adjacent to a kennel cage (so that it is in the shape of a
1. 0 answers
2. asked by John
3. 1,075 views
About 10 percent of the earth’s surface are covered with glaciers today. Where are most of these glaciers found
1. 2 answers
2. asked by T-perry
3. 1,042 views
The ion source in a mass spectrometer produces both triply and quadruply ionized species, X3+ and X4+. The difference in mass
1. 1 answer
2. asked by Anonymous
3. 1,025 views
If your solution’s final volume of 32.55 mL yields 3.6 grams of AgCl, determine the Molarity of the final solution. Also, how
1. 0 answers
2. asked by Shoba
3. 1,019 views
Identify and describe 3 enviromental health hazarda that cause ill health, crises in your community and globaly
1. 3 answers
2. asked by Mpho
3. 1,015 views
A basketball team needs 5 players. The team can choose from a group of 7 players. Explain how to find the number of combinations
1. 1 answer
2. asked by patty
3. 997 views
Emergent literacy skills are enhanced bya.quantity and quality of print and audio-visual resources b. the family socio-economic
1. 9 answers
2. asked by ray
3. 997 views
85.0 of is initially at room temperature (22.0). A chilled steel rod at 2.0 is placed in the water. If the final temperature of
1. 0 answers
2. asked by Joshua
3. 993 views
The molar solubility of MgF2 at 25°C is 1.2 10-3 mol/L. Calculate Ksp.i got the euqation ksp= [F-]^2[Mg]2+ and plugged in
1. 1 answer
2. asked by hannah
3. 991 views
Which part of an electric circuit resists the flow of charge when it changes electrical energy into other forms of energy?A.
1. 1 answer
2. asked by bubbie
3. 987 views
Factoring ax^2 + bx + cFind two different values that complete each expression so that the trinomial can be factored into the
1. 1 answer
2. asked by Jane
3. 984 views
At the State Fair you see people trying to win a prize at a game booth. They are sliding a metal disk shaped like a puck up a
1. 0 answers
2. asked by Brandon
3. 980 views
Find at least 5 Mexican War battles that took place in Southern California.(Southern California = the ten southern counties.)
1. 1 answer
2. asked by Suzy
3. 973 views
Performing a gravimetric analysis of Ca2+.25 mL of unknown [Ca2+} added to 25 mL of 0.15 (NH4)2C2O4 and 75 mL of HCl. Urea also
1. 6 answers
2. asked by Anonymous
3. 969 views
I have to annotate some notes and I'm not sure what a couple of these terms mean, your help would be much appreciated!Unifying
1. 1 answer
2. asked by Amber
3. 965 views
a triangle has a base of 18in. , sides of 14in. and 16in. with a height of 4in. What is the area?
1. 3 answers
2. asked by sgjkl;[
3. 948 views
What is the sum of all integer values of n satisfying 1 \leq n \leq 100, such that n^2 - 1 is a product of exactly two distinct
1. 1 answer
2. asked by Jack
3. 933 views
If your solution’s final volume of 32.55 mL yields 3.6 grams of AgCl, determine the Molarity of the final solution. Also, how
1. 2 answers
2. asked by Shoba
3. 932 views
Use the rationals theorem to find all the zeros of the polynomial function. Use the zeros to factor f over the real numbers.f(x)
1. 1 answer
2. asked by Karlee
3. 928 views
how many moles of O2 are contained in 6.53 L with 297 K and 6.6 atm
1. 1 answer
2. asked by caroline
3. 904 views
A generic salt, AB, has a molar mass of 293 g/mol and a solubility of 2.20 g/L at 25 °C. What is the Ksp of this salt at 25
1. 1 answer
2. asked by charles
3. 900 views
What are the four main gases in our atmosphere?Carbon dioxide oxygen nitrogen? I searched it up and it says argon is the other
1. 1 answer
2. asked by Jerald
3. 898 views
How many grams of ZnCl2 will be produced from 48 grams of zinc and 30 grams of HCL
1. 1 answer
2. asked by walter
3. 897 views
The OB river flows through which regiona. Central Asia b. Siberia c. Moldova d. Ukraine a or b not sure I think B is more
1. 2 answers
2. asked by Emily
3. 891 views
Need info in English on biographies of political and cultural leaders of Puerto Rico between 1850-1950
1. 3 answers
2. asked by Ralph
3. 886 views
solve10(x+5)=130
1. 6 answers
2. asked by mary
3. 883 views
Tom bought a rectangular piece of land thatwas 3 miles long and 2 miles wide . Half of the land could be farmed . How many
1. 2 answers
2. asked by Doris
3. 874 views
how can i find a general solution of g(x)when they give me g(X) =cos (x+30)and g(X)= -2sinx
1. 1 answer
2. asked by mazandie Magaduzela
3. 867 views
1. The purpose of evaluating the sources of your research material is to test:A. the currency of information. B. the reliability
1. 1 answer
2. asked by Amy
3. 850 views
How would you go about making 250ml of a 20X stock solution of NaCl to dilute later to a final concentration of 50mM? I know
1. 1 answer
2. asked by Anonymous
3. 836 views
TOM bought a rectangular piece of land that was 3 miles long and 2 miles wide .Half of the land could be farmed .How many square
1. 1 answer
2. asked by Doris
3. 835 views
I need help with graphing a quadratic function . . .y = -2x^2 Please don't just give me the answer help me through it. . .
1. 1 answer
2. asked by ear
3. 834 views
Were there any key events in Millard Fillmore's life that shaped their dream for the United States?
1. 2 answers
2. asked by ear
3. 830 views
A small metal ball with a mass of m = 82.5 g is attached to a string of length l = 1.72 m. It is held at an angle of θ = 58.5°
1. 0 answers
2. asked by Elena
3. 825 views
A couple deposits 459 per month paying 6% compounded monthly how much would be in the account in 5 years
1. 1 answer
2. asked by Terri
3. 818 views
which equation models an exponential decayy=1/4x500^x 1/3y=6x100^x y=0.5x8^x y=23x(1/2)^x y=0.004x2^x i think it is d
1. 0 answers
2. asked by Anonymous
3. 817 views
A beam of polarized light with an average intensity of 17.1 W/m2 is sent through a polarizer. The transmission axis makes an
1. 1 answer
2. asked by Elizabeth
3. 802 views
use the discriminant to determine whether the following equation have solutions that are : two different rational solutions :
1. 1 answer
2. asked by LIZY
3. 801 views
Solve for x: log5(x-2)+ log5 (x-4) = log6(x-1)
1. 1 answer
2. asked by Jeconiah
3. 761 views

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