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Questions Asked on September 16, 2011

An airport has runways only 142 m long. Asmall plane must reach a ground speed of 45 m/s before it can become airborne. What
1. 5 answers
2. asked by kayla
3. 4,565 views
Nutrition Ruff, Inc. makes dog food out of chicken and grain. Chicken has 10 grams of protein and 5 grams of fat per ounce, and
1. 2 answers
2. asked by liz
3. 4,502 views
For what value of the constant c is the function f continuous on the interval negative infinity to positive infinity?f(x)={cx2+7
1. 2 answers
2. asked by Aly
3. 3,641 views
You can deposit 10,000 into an account paying 9% annual interest either today or exactly 10 years from today. How much better
1. 1 answer
2. asked by Sky
3. 3,518 views
simplify write in scientific notation(9x10^-3)^2
1. 3 answers
2. asked by edna
3. 3,340 views
Find the value of the constant C that makes the following function continuous on (-infinity, +inf)f(x)={cx+2 if x is in (-inf,2]
1. 1 answer
2. asked by Logan
3. 3,148 views
A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 12 m/s,
1. 1 answer
2. asked by ashley
3. 2,885 views
Han Products manufactures 30,000 units of part S-6 each year for use on its production line. At this level of activity, the cost
1. 1 answer
2. asked by kim
3. 2,488 views
make a conjecture for the following show workthe sum of an even and odd number. - the product of two odd numbers.
1. 1 answer
2. asked by Geometry Help!!!!
3. 2,436 views
Use the distance formula to determine whether the points lie on the same line.(0,4),(7,-6),(-5,11). I know the distance formula,
1. 1 answer
2. asked by Christina
3. 2,335 views
Please help?Let F(a) be the area between the x-axis and the graph of y=x^2cos(x/4) between x=0 and x=a, for a>0 (consider the
1. 3 answers
2. asked by Catherine
3. 2,294 views
A 1.547-g sample of blue copper(II) sulfate pentahydrate, CuSO4*5H2O, is heated. The white crystals of CuSO4 that are left
1. 1 answer
2. asked by Anonymous
3. 2,262 views
How many milliliters of 5.2 M HCl must betransfered from a reagent bottle to provide 22 g HCl for a reaction? Answer in units of
1. 1 answer
2. asked by Anonymous
3. 2,169 views
To pass her English Test, Lucille must get 75% of the items correct. Out of 80 questions, how many must she correctly answer?
1. 2 answers
2. asked by nice
3. 2,107 views
A student suspected that an unknown was undergoing a chemical change at its melting point.Suggest a simple method for testing
1. 1 answer
2. asked by sammy
3. 2,072 views
Jessie finished the first race in 2 minutes 7 seconds. Tim finished 12 seconds faster than Jessie. Juan finished 8 seconds
1. 14 answers
2. asked by Mia
3. 1,942 views
A piece of wire with mass per unit length 88 g/m runs horizontally at right angles to a horizontal magnetic field. A 6.5A
1. 2 answers
2. asked by help
3. 1,899 views
When the Sun is directly overhead, a hawkdives toward the ground at a speed of 6.97 m/s. If the direction of his motion is at an
1. 3 answers
2. asked by jim
3. 1,742 views
use a scatter plot to determine the relationship between the x values and the y values.x 7 2 4 5 1 6 3 7 5 26 20 15 30 12 25
1. 1 answer
2. asked by kk
3. 1,730 views
CounterExamples and Inductive Reasoning and Conjectures?Make a Conjecture for Each Scenario. Show your Work - the sum of the
1. 0 answers
2. asked by Geometry Help!!!!
3. 1,689 views
5x+3y=-11, 7x-2y=19 solve by elimination.Sol'n: 5x+3y = -11 ---(1)x 2, 10x + 6y = -22 ----(1') 7x-2y = 19 ---(2)x 3, 21x - 6y =
1. 5 answers
2. asked by Katie Lee
3. 1,683 views
explain why the second partial productis always greater than the first partial product when you multiply a 3-digit number by a
1. 2 answers
2. asked by stephanie
3. 1,562 views
A certain cable car is San Francisco can stop in 10 s when traveling at maximum speed. On one occasion, the driver sees a dog a
1. 1 answer
2. asked by ashley
3. 1,516 views
B. Everyone knows that water is supposed to boil at 100° C. Why did your water sampleboil at a different temperature? C. While
1. 2 answers
2. asked by emmanuel
3. 1,462 views
paragraph 2Background Your favorite cousin has moved to your town and is looking for a job. Her previous experiences are working
1. 1 answer
2. asked by henrietta
3. 1,429 views
A train moving with constant velocity travels 190 m north in 12 and an undetermined distance to the west. The speed of the train
1. 0 answers
2. asked by anonymous
3. 1,352 views
A transmission diffraction grating with 600 lines/mm is used to study the linespectrum of the light produced by a hydrogen
1. 0 answers
2. asked by AfterLife
3. 1,331 views
how do you determine the last digit in any measured number?
1. 2 answers
2. asked by Tracy
3. 1,320 views
A jet plane lands with a speed of 87 m/s and can accelerate at a maximum rate of -5.30 m/s2 as it comes to rest.(a) From the
1. 1 answer
2. asked by ashley
3. 1,299 views
I have tried to figure out how to do this for four days and my textbook does not give an example on how to do this problem.Lower
1. 1 answer
2. asked by Nick
3. 1,267 views
The video characters are having Maite's birthday cake. Complete the conversation with the correct pronouns.DON FRANCISCO:
1. 2 answers
2. asked by tennessee
3. 1,225 views
How do I find the length of the hypotenuse of a right triangle with only one leg length and all angle measurements
1. 1 answer
2. asked by Maria
3. 1,205 views
A CRATE OF MESS 50KG IS LYING ON A 30DEGREE INCLINE, A STEEL BALL OF MASS 20KG IS ATTACHED TO THE CRATE WITH A ROPE.THE ROPE IS
1. 1 answer
2. asked by MORENA
3. 1,172 views
What effect would each of the following have on a sample'sobserved melting-point range ?b.rapid heating c.use of so much sample
1. 1 answer
2. asked by loren
3. 1,127 views
A student throws a set of keys vertically upward to his fraternity brother, who is in a window 3.95 m above. The brother's
1. 1 answer
2. asked by Carolina
3. 1,119 views
3. The ABO blood type is controlled by a single locus, called I, with alleles IA, IB, and IO.These give rise to the blood type
1. 0 answers
2. asked by kay
3. 1,082 views
A ball is thrown upwards and returns to the same position. Compared with its original speed after release, its speed when it
1. 1 answer
2. asked by Anonymous
3. 1,069 views
A ball is thrown vertically upward with a speed of +13.0 m/s.(a) How high does it rise? (b) How long does it take to reach its
1. 1 answer
2. asked by ashley
3. 1,050 views
I have an input 25 and output of 15 the next set is input of 30 output of 18 how do I figure out the rule
1. 5 answers
2. asked by Tristan
3. 1,044 views
For what values of a and b that make the function f continuous everywhere.f(x)={(x^2-4)/(x-2) if x<2 ax^2-bx-18 if 2<x<3 10x-a+b
1. 1 answer
2. asked by Derrick
3. 1,034 views
Mr. Smith bought shoes for $ 120 and a suit for $ 340. Find the total cost including tax if the tax rate is 5.5%.(a)$485.30
1. 1 answer
2. asked by Pete
3. 1,018 views
Calculate the exact probability that when parents who are both heterozygous for arecessive disease have three children, the
1. 1 answer
2. asked by kay
3. 999 views
the height above the ground of a child on a swing varies from 0.5m at the lowest point to 2.0m at the highest point. what is the
1. 1 answer
2. asked by Anonymous
3. 995 views
You lean over the edge of a building that is 106 meters above the ground and throw an object straight upwards. This object takes
1. 1 answer
2. asked by JJ
3. 955 views
Find all points that are 24 units from the point located at 31 on a number line.A. 24 and 31 B. 31 and 7 C. 24 and 55 D. 7 and
1. 1 answer
2. asked by Anonymous
3. 944 views
The perimeter of a pool table is 30 ft. The table is twice as long as it is wide. What is the length of the pool table?
1. 4 answers
2. asked by Please help
3. 932 views
how did rivres in southwest asia enrich the soil
1. 3 answers
2. asked by Brittany
3. 924 views
ok the directions say.."using different scales,make either two line graphs or two bar graphs for the set of data.use a break
1. 1 answer
2. asked by SJH all the way_<3
3. 924 views
Why do long-run elasticities of demand differ from short-run elasticities? Consider two goods: paper towels and televisions.
1. 0 answers
2. asked by aaniya gill
3. 890 views
Q. Jane is thirteen and a middle school student. At her age the most important agent of socialization in her life is likely to
1. 2 answers
2. asked by help
3. 883 views
Typically we talk about blood types as B-positive or AB-negative and so forth. Thepositive and negative part of the blood type
1. 1 answer
2. asked by kay
3. 872 views
A blue ball is thrown upward with an initial speed of 20.6 m/s, from a height of 0.8 meters above the ground. 2.5 seconds after
1. 0 answers
2. asked by aa
3. 862 views
How do I write this in standard form3,000,000+200,000+40,000+600+70+7?
1. 7 answers
2. asked by Miya
3. 851 views
what is the constitution
1. 1 answer
2. asked by Nicole
3. 827 views
Can someone please show me step by step how to normalize e^-5x in the interval (0, infinity)?I have read a lot of different
1. 2 answers
2. asked by Tammy
3. 784 views
Use an equation to solve the problem.John and two friends rent a canoe at a park. Each person must rent a life jacket. If the
1. 1 answer
2. asked by Lily
3. 752 views
name each number in two different ways2,700 6,300 1,800 91,000 Thanks
1. 8 answers
2. asked by Alexis
3. 751 views
A point charge of -8.4 µC is at the origin.a)What is the electric potential due to this charge at (x,y) = (3.5 m, 0 m) b) What
1. 0 answers
2. asked by sonia
3. 745 views
For what value of the constant c is the function f continuous on the interval negative infinity to positive infinity?f(x)={cx2+7
1. 0 answers
2. asked by Aly
3. 724 views
The limitlim as x approaches 1 of (x^12-1)/(x-1) represents the derivative of some function f(x) at some number a. Find f and a.
1. 1 answer
2. asked by Logan
3. 716 views
Pivot the system about the element in row 2, column 1.[3 3| –2] [–9 –4| 1]
1. 0 answers
2. asked by Dee
3. 695 views
Typically we talk about blood types as B-positive or AB-negative and so forth. Thepositive and negative part of the blood type
1. 0 answers
2. asked by kay
3. 692 views
What is the number of valence electrons for the element beryllium? Please help.
1. 1 answer
2. asked by David
3. 682 views
if a data set has mean 70, and standard deviation 5, is 80 asuspect outliner/
1. 1 answer
2. asked by shana
3. 669 views
ok i have a problem to work on in my new course, and i was wondering what i need to do to tackle it. the question is as follows:
1. 4 answers
2. asked by mo
3. 667 views
For what values of a and b that make the function f continuous everywhere.f(x)= {x−2x2−4 if x<2 ax2−bx−18 if 2< or =x<3
1. 1 answer
2. asked by Nik
3. 661 views
A method for recycling scrap aluminum converts it to alum [potassium aluminum sulfate dodecahydrate, KAl(SO4)2·12H2O].What is
1. 1 answer
2. asked by Aha
3. 659 views
So I have this major assignment due, and I cant seem to figure this one out:A right triangle is formed in the first quadrant by
1. 2 answers
2. asked by kajal
3. 658 views
1.) Encrypt the hexadecimal message F9E8 using the Rail Fence cipher for binary numbers with 3 Rails. [Give answer in
1. 2 answers
2. asked by Francesca
3. 654 views
I need help writting a discussion on why the follow paragraph is effective including variety and rhythum of the author's
1. 1 answer
2. asked by lo
3. 650 views
One can get a good idea of how deep a well is, for example, by dropping a rock and listening to how long it take to hear the
1. 1 answer
2. asked by Jeff J.
3. 648 views
The primary substance from which all other chemical compounds and substances are made is a____________.A) element B) compound C)
1. 3 answers
2. asked by nick
3. 647 views
The video characters are having Maite's birthday cake. Complete the conversation with the correct pronouns.DON FRANCISCO:
1. 2 answers
2. asked by tennessee
3. 646 views
A 6.90 kg penguin runs onto a huge sheet of frictionless Arctic ice. At t=0 it is at x=0 and y=0 with an initial velocity of
1. 0 answers
2. asked by Libby
3. 642 views
3. The ABO blood type is controlled by a single locus, called I, with alleles IA, IB, and IO.These give rise to the blood type
1. 0 answers
2. asked by kay
3. 641 views
You and your friend are sledding on two sides of a triangle-shaped hill. On your side, the hill slopes up at 30.0° from the
1. 1 answer
2. asked by Anonymous
3. 638 views
simplify write in scientific notation(9x10^-3)^2
1. 1 answer
2. asked by edna
3. 636 views
2sin^2(x) = 2 + cos(x)interval [0,2pi) How do I solve this? Help would be greatly appreciated!
1. 1 answer
2. asked by Wendy
3. 636 views
1) The F2 progeny from a cross exhibits a modified dihybrid ratio of 9:7 instead of 9:3:3:1. What phenotype ratio would be
1. 0 answers
2. asked by AJ
3. 635 views
A small source of light is located at a distance from a vertical wall. An opaque object with a height of moves toward the wall
1. 0 answers
2. asked by Matt
3. 632 views
A company seeks to develop an herbicide that kills plants by directly interfering (at the cellular level) with plants’ ability
1. 0 answers
2. asked by Anonymous
3. 631 views
When you mix sodium bicarbonate and calcium chloride with bromothymol (and indicator that changes color when a chemical reaction
1. 1 answer
2. asked by Geoff
3. 626 views
I have this question and I am pretty sure on what to use to solve it but I am just stuck. The reaction of 8 g of hydrogen and 28
1. 1 answer
2. asked by Justin
3. 626 views
The limit as x approaches 0 of ((4^x)-1)/xThe limit above represents the derivative of some function f(x) at some number a. Find
1. 2 answers
2. asked by Logan
3. 625 views
A 0.0820 kg pair of fuzzy dice is attached to the rearview mirror of a car by a short string. The car accelerates at a constant
1. 0 answers
2. asked by Anonymous
3. 613 views
True or False: Continentality does affect climate of a region.
1. 5 answers
2. asked by Marie
3. 610 views
A 4.62 x 10-5 kg raindrop falls vertically at constant speed under the influence of gravity and air resistance. After the drop
1. 1 answer
2. asked by hannah
3. 609 views
The video characters are having Maite's birthday cake. Complete the conversation with the correct pronouns.DON FRANCISCO:
1. 1 answer
2. asked by tennessee
3. 606 views
Melvin estimate 645 + 322 by adding 600 + 300. Is his estimate sum an over or under estimate please?Ty
1. 1 answer
2. asked by Kelly
3. 602 views
If C represents a variable, then which of these expressions has a coefficient of 3 ?a) C + 3 (b) 3 C + 1 (c) 2 C − 3 (d) 5 −
1. 3 answers
2. asked by Ben
3. 601 views
a student measures the velocity of a water in a stream as 2.5 meters pe second.the actual velocity of the water is 3.0 meters
1. 2 answers
2. asked by Anonymous
3. 594 views
[History Homework]Please answer 1. What are 2 pieces of technology essential today? 2. If you could give a prehistoric person
1. 2 answers
2. asked by Bone
3. 591 views
Select one of the following topics and suggest a research question, purpose, and hypothesis. What population and sampling
1. 1 answer
2. asked by amy
3. 588 views
how do i find the exact value of s[pie/2, pie] sin s = radical2/ whole number 2 what is s in radians? how do i figure this out
1. 1 answer
2. asked by ALISON
3. 588 views
the number of students is 150 more than adults, the student tickets are $3 and adult tickets are $5 the total sales was 4730 how
1. 3 answers
2. asked by heidi
3. 588 views
In a mouse cell at the start of mitosis, how many chromatids are present?
1. 1 answer
2. asked by kay
3. 587 views
Write each expression as the product of two binomials.1) a^3 - 3a^2 + 3a - 9 2) 2x^2 - 3x^2 - 4x + 6
1. 1 answer
2. asked by Camile
3. 584 views
Solve.2sin(2ƒÆ) + �ã3 = 0 interval [0, 2ƒÎ) How do I start this? I feel like maybe Trig Identities, but I'm not really
1. 2 answers
2. asked by Josh
3. 581 views
please explain the rise of class conflict between business and labor in the 1870s and the growing hostility to immigrants
1. 1 answer
2. asked by heather
3. 575 views
A -10 nC charged particle has a velocity v=3i+4j+5k ms-1 as it enters a magnetic field B=10000Tj. Calculate the force vector on
1. 0 answers
2. asked by justina
3. 574 views

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