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Questions Asked on September 19, 2013

Shelly compared the number of oak trees to the number of maple trees as part of a study about hardwood trees in a woodlot. She
1. 26 answers
2. asked by Katherine
3. 11,978 views
Why do scientists use models?a. Scientists use models to learn about things that are too small, too large, or too complex to
1. 23 answers
2. asked by Anonymous
3. 8,302 views
1. What is the simplified form of the expression?7m^2 + 6.5n - 4n + 2.5m^2 - n 9.5m^2 + 1.5n 4.5m^2 + 1.5n 1.5m^2 - 4.2n 9.5m^2
1. 34 answers
2. asked by Charlotte
3. 6,666 views
1. To which subset(s) does the number √42 belong?Rational numbers Irrational numbers Whole numbers, integers, rational numbers
1. 3 answers
2. asked by Charlotte
3. 5,111 views
Complete combustion of 4.80 g of a hydrocarbon produced 15.6 g of CO2 and 4.80 g of H2O. What is the empirical formula for the
1. 3 answers
2. asked by college chem
3. 4,789 views
Create an accurate summary of “The Cold Equations” that details the important events of the story. Provide your answer in
1. 5 answers
2. asked by zack
3. 4,655 views
1.) What types of landforms are found in Latin America?2). What is their relative location? My answer: 1.) Latin America's
1. 8 answers
2. asked by Anonymous
3. 4,481 views
How many grams of O2(g) are needed to completely burn 24.0 g of C3H8(g)?
1. 2 answers
2. asked by college chem
3. 4,445 views
Which statements describe the geographic theme of regions?Select all that apply. Different types of regions have little or no
1. 8 answers
2. asked by sony147
3. 3,496 views
Find the ordered quintuplet (a,b,c,d,e) that satisfies the system of equations a+2b+3c+4d+5e=177,2a+3b+4c+5d+e=154,
1. 2 answers
2. asked by Speedo
3. 3,179 views
How are the Llanos, cerrado, and pampas of South America similar to the Great Plains of the United States?My answer: These areas
1. 2 answers
2. asked by Anonymous
3. 3,087 views
Chantal has a flower bed. She has three types of flowers, Daffodils, Hyacinths and Tulips. She has 8 Daffodil bulbs, 10
1. 2 answers
2. asked by TERRY
3. 2,756 views
there are 6 times as many dogs as cats. if the total of number dogs and cats is 21, how many dogs are there?
1. 4 answers
2. asked by Vargas
3. 2,091 views
A solution containing 0.750g of an unknown substance in 30.0g of cyclohexane was found to freeze at 3.1 degree Celsius. What is
1. 2 answers
2. asked by Princess
3. 2,047 views
The enthalpy of vaporization of benzene liquid is 33.9 kJ/mol at 298 K.How many liters of benzene gas, measured at 298 K and
1. 1 answer
2. asked by <3
3. 1,992 views
Neptunium-239 has a half-life of 2.35 days. How many days must elapse for a sample of 239Np to decay to 0.100% of its original
1. 3 answers
2. asked by Anonymous
3. 1,940 views
write the expression that represents the total length of each segment..__x____.____9_____.
1. 3 answers
2. asked by Josh
3. 1,890 views
The sequence x_1, x_2, x_3, . . ., has the property that x_n = x_{n - 1} + x_{n - 2} for all n>=3. If x_{11} - x_1 = 99, then
1. 4 answers
2. asked by Speedo
3. 1,799 views
My essay is about conformity and rebellion. I need a really good conclusion. My intro is this:In life there will be certain
1. 2 answers
2. asked by Jenna
3. 1,718 views
How many grams of sodium sulphate (mol. wt. 142) are required to make 1.2 liters of 0.5N solution
1. 2 answers
2. asked by Frank
3. 1,636 views
Jack looks at a clock tower from a distance and determines that the angle of elevation of the top of the tower is 40°. John,
1. 5 answers
2. asked by Anonymous
3. 1,520 views
Suppose that a shot putter can put a shot at the worldclass speed v0 = 14.00 m/s and at a height of 2.160 m. What horizontal
1. 1 answer
2. asked by kristy
3. 1,519 views
If 10.11 g of limestone decomposes by heat to give 8.51 g of solid calcium oxide and carbon dioxide gas, what is the mass of
1. 1 answer
2. asked by Caleb
3. 1,464 views
People engage in trade mostly in order to _______a. have access to a variety of goods (?) b. encourage specialization in the
1. 4 answers
2. asked by Anonymous
3. 1,443 views
what number am i:clue 1- when you divide me by 5, the remainder is 4. clue2- I have 2 digits. Both digits are odd. Clue 3- the
1. 6 answers
2. asked by Shohanur
3. 1,411 views
The lengths in feet of three ropes are consecutive multiples of three. If each rope were four feet shorter, the sum of their
1. 1 answer
2. asked by Anonymous
3. 1,401 views
A baseball leaves a pitcher's hand horizontally at a speed of 115 km/h. The distance to the batter is 18.3 m. (Ignore the effect
1. 1 answer
2. asked by kristy
3. 1,387 views
In 1939 or 1940, Emanuel Zacchini took his human-cannonball act to an extreme: After being shot from a cannon, he soared over
1. 0 answers
2. asked by kristy
3. 1,366 views
a rectangular swimming pool 20 feet long and 10 feet wide,is enclosed by a wooden deck that is 3 feet wide. What is the area of
1. 1 answer
2. asked by Dee
3. 1,313 views
The current in a series circuit is 11.0 A. When an additional 11.0-Ω resistor is inserted in series, the current drops to 6.6
1. 1 answer
2. asked by Anonymous
3. 1,311 views
A person desires to reach a point that is 2.80 km from her present location and in a direction that is 35.0° north of east.
1. 1 answer
2. asked by Mya
3. 1,292 views
Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy
1. 3 answers
2. asked by Anonymous
3. 1,253 views
a large amount of potassium in plant food could cause the formation of MgKPO4:6H2O along with MAPH. what would be the effect on
1. 1 answer
2. asked by dave
3. 1,243 views
How many grams of Cl are in 525 g of CaCl2?
1. 2 answers
2. asked by college chem
3. 1,172 views
This is one whole question:(12) (10xy^3) (3x^2y^2) (5x) (2y) I don't know how to do any of these: simplify sqaure root of 160000
1. 12 answers
2. asked by Maya
3. 1,147 views
Please check my answers on the following questionsSimplify: (X^6)^1/2 = x^3 1000000^1/6 I don't know this one (64n^12)^-1/6 =
1. 4 answers
2. asked by Lea
3. 1,140 views
Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy
1. 6 answers
2. asked by Anonymous
3. 1,101 views
Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy
1. 1 answer
2. asked by Anonymous
3. 1,069 views
Here are the questions I need help with, please help.[(1/4)^-3 divide sign (1/4)^2]^-2 I got (1/4)^10 but I got it wrong
1. 1 answer
2. asked by Maya
3. 1,055 views
Not sure what to do here?Naomi has 50 red beads and white beads. The number of red beads is 1 more than 6 times the number of
1. 8 answers
2. asked by nathan
3. 1,017 views
A rock is dropped from a tree of height 20 m into a lake (depth 4.6 m) below. After entering the water, the rock floats gently
1. 1 answer
2. asked by Chapa
3. 967 views
Old McDonald has 1000 feet of fencing, and wants to build a pen along the side of his barn that will have two separate areas-
1. 4 answers
2. asked by adina
3. 955 views
a bicyclist rides 10.0 km/h west and 20.0 km/h east what is the resultant velocity
1. 1 answer
2. asked by Mike
3. 949 views
Judy (mass 45.0 kg), standing on slippery ice, catches her leaping dog, Atti (mass 12kg), moving horizontally at 4.0 m/s. Use
1. 2 answers
2. asked by Shannon
3. 944 views
Please help someone!!!!a number that can be expressed as the product of 3 equal factors? a number that can be expressed as the
1. 2 answers
2. asked by Sonia
3. 924 views
Solve the equation and write the solution set.|4x – 8| – 3x = 6x + 2 I need help!!
1. 2 answers
2. asked by Mary
3. 891 views
5x + 0.050= -0.732
1. 1 answer
2. asked by jodi
3. 883 views
calculate the percentage copper in copper 2 nitrate
1. 1 answer
2. asked by Anonymous
3. 876 views
i am writing things I do on that ship. choose the correct verb based on its meaning to complete each sentence.a. toco b. nado c.
1. 3 answers
2. asked by anonoymus wizard
3. 865 views
Technetium-99m is an ideal radioisotope for scanning organs because it has a half-life of 6.0 hr and is a pure gamma emitter.
1. 1 answer
2. asked by Nadia
3. 864 views
What is the energy of a bond formed between a potassium (K+) cation and an iodide (I−) anion? The ionic radii of K+ and I−,
1. 0 answers
2. asked by Urgent help
3. 851 views
if y=cosx.sinx find dy/dx
1. 1 answer
2. asked by calculus
3. 842 views
there are 48 calories in a candy bar.how many dozen calories are there in 46 candy bars?
1. 3 answers
2. asked by ezekiel
3. 842 views
a number that can be expressed as the product of 3 equal factors?a number that can be expressed as the product of 2 equal
1. 2 answers
2. asked by Sonia
3. 839 views
Technetium-99m is an ideal radioisotope for scanning organs because it has a half-life of 6.0 hr and is a pure gamma emitter.
1. 1 answer
2. asked by Nadia
3. 826 views
A sample of 3000 observations has a mean of 86 and a standard deviation of 13. The distribution is bell-shaped. Using the
1. 1 answer
2. asked by myself
3. 800 views
What is the energy of a bond formed between a potassium (K+) cation and an iodide (I−) anion? The ionic radii of K+ and I−,
1. 1 answer
2. asked by Urgent help
3. 789 views
x + my =d
1. 2 answers
2. asked by Jo
3. 763 views
The height of a person on a ferris wheel is measured by function h(t)=38 sin 3.5 (t-4.0)+41.?h= height of person in feet
1. 1 answer
2. asked by sam
3. 746 views
ll is thrown vertically upward with aninitial speed of 16 m/s. Then, 0.65 s later, a stone is thrown straight up (from the same
1. 1 answer
2. asked by safari
3. 743 views
Oil (sp. gr.= 0.8) flows smoothly through the circular reducing section shown at 3 ft^3/s. If the entering and leaving velocity
1. 0 answers
2. asked by Katy
3. 736 views
a rectangular swimming pool 20 feet long and 10 feet wide,is enclosed by a wooden deck that is 3 feet wide. What is the area of
1. 1 answer
2. asked by Dee
3. 724 views
What is the energy of a bond formed between a potassium (K+) cation and an iodide (I−) anion? The ionic radii of K+ and I−,
1. 1 answer
2. asked by Urgent help
3. 724 views
ll is thrown vertically upward with aninitial speed of 16 m/s. Then, 0.65 s later, a stone is thrown straight up (from the same
1. 1 answer
2. asked by safari
3. 708 views
Here are the questions I need help with, please help.[(1/4)^-3 divide sign (1/4)^2]^-2 I got (1/4)^10 but I got it wrong
1. 2 answers
2. asked by Maya
3. 701 views
An Olympic swimming pool is roughly 45m long and 33m wide and 5m deep. How long will it take to fill such a pool with a regular
1. 0 answers
2. asked by Anonymous
3. 686 views
Exchange rates are determined by _____________.a. the presence or absence of trade barriers. b. banks, labor unions, and
1. 1 answer
2. asked by Anonymous
3. 683 views
Allegra has a cell-phone plan that charges $65 per month and $0.10 for every minute that she uses the phone beyond what her plan
1. 1 answer
2. asked by Jullian
3. 672 views
Using your knowledge of trigonometric identities, ﬁnd the exact value of sin(x+y) knowing that x and y are between 0 and π2,
1. 1 answer
2. asked by Kam
3. 670 views
Here are the questions I need help with, please help.[(1/4)^-3 divide sign (1/4)^2]^-2 I got (1/4)^10 but I got it wrong
1. 1 answer
2. asked by Maya
3. 652 views
A company in China manufactures basketballs. A company in the United States buys the basketballs and resells them to people
1. 1 answer
2. asked by Anonymous
3. 647 views
A model rocket is launched straight upward with an initial speed of 51.3 m/s. It accelerates with a constant upward acceleration
1. 1 answer
2. asked by Jasmine
3. 646 views
what number am i:clue 1- when you divide me by 5, the remainder is 4. clue2- I have 2 digits. Both digits are odd. Clue 3- the
1. 3 answers
2. asked by Shohanur
3. 645 views
The flour power bakery makes 200 cherry cheese cakes at a cost of 2.45 each. If a spoilage rate of 5% is anticipated at what
1. 0 answers
2. asked by Jessica
3. 642 views
Naomi has 50 red beads and white beads. The numberof red beads is 1 more than 6 times the number of white beads. How many red
1. 5 answers
2. asked by nathan
3. 636 views
suppose an auto racer won a 300 mile race with a time of 1:41:48.2942. At one point the racer was 70 miles closer to the finish
1. 1 answer
2. asked by wendy
3. 629 views
A recipe call for 3/4 cups of flour for a batch of cookies. Phillip makes 2 1/2 batchers. How much flour will he use
1. 1 answer
2. asked by Jordan
3. 625 views
I need some help on figuring out the main idea of "The Adventures of Huckleberry Finn." I know that for most of the part, Huck
1. 3 answers
2. asked by Anonymous
3. 598 views
Can someone please help me get the sum difference and product of this problem I am so lostx^3+ 2x-5∶ x^4-x^3+ 3x^2- 2x+3
1. 2 answers
2. asked by albert
3. 585 views
1. What type of facility treats most of conditions and may offer outpatient occupational therapy services?A. federal
1. 2 answers
2. asked by Shamie
3. 582 views
Eagle Sales Company owns a warehouse, subject to a mortgage obtained from First National Bank. Separately, Eagle and First
1. 1 answer
2. asked by Missy
3. 580 views
What are 3 strategies for finding multiples of a number?
1. 1 answer
2. asked by Anonymous
3. 573 views
Allegra has a cell-phone plan that charges $65 per month and $0.10 for every minute that she uses the phone beyond what her plan
1. 1 answer
2. asked by Jullian
3. 569 views
Explain why it is important to line up decimal numbers by their place value when you add or subtract them.
1. 2 answers
2. asked by Anonymous
3. 569 views
A recent cash budget showed estimated cash receipts of $159,000, estimated cash disbursements of $155,000, and a desired ending
1. 1 answer
2. asked by Leah
3. 566 views
in what ways are the ideas of the buddhist eightfold path similar to and different from the ideas, beliefs, and practices, of
1. 3 answers
2. asked by unknown
3. 563 views
1)What items did Harappans trade with peoples in the Sumerian region?2)What is the probable cause of the end of Indus Valley
1. 1 answer
2. asked by Anonymous
3. 552 views
A labour is throwing 12 bricks per min from the ground and these just reach the roof which is 3.3 meters high. ifthe weight of
1. 2 answers
2. asked by sarsi
3. 548 views
The lengths in feet of three ropes are consecutive multiples of three. If each rope were four feet shorter, the sum of their
1. 0 answers
2. asked by Anonymous
3. 545 views
Patient motion may create artifact that looks like an atrial arrhythmia? True or False. TrueThe ECG tracing represents a 3
1. 0 answers
2. asked by Mary
3. 541 views
Oil (sp. gr.= 0.8) flows smoothly through the circular reducing section shown at 3 ft^3/s. If the entering and leaving velocity
1. 0 answers
2. asked by Katy
3. 540 views
If you can throw a ball vertically upward to a height h = 19.7 m, what is the maximum horizontal range over which you can throw
1. 1 answer
2. asked by Michael
3. 540 views
190 grams of potassium iodide is placed in 100 cm3 at 60 degrees Celsius. the solution is cooled to 30 degrees Celsius. how many
1. 2 answers
2. asked by Cara
3. 532 views
Long ago, people decided to divide the day into units called hours. They chose 24 as the number of hours in one day. Why is 24 a
1. 1 answer
2. asked by Shohanur
3. 529 views
Networks are often set up in the client/server network arrangement. Raheem has learned that this is a very common type of
1. 1 answer
2. asked by bob
3. 528 views
if a plane is traveling at an altitude of 11.9 miles and is 46 miles from the airport and is descending at a 12 degree angle,
1. 1 answer
2. asked by Greg
3. 527 views
What is the energy of a bond formed between a potassium (K+) cation and an iodide (I−) anion? The ionic radii of K+ and I−,
1. 0 answers
2. asked by Urgent help
3. 525 views
The least squares regression line is a unique line for each data set. TrueThe least squares regression line minimizes the sum of
1. 1 answer
2. asked by Student
3. 523 views
Epicure market prpares fresh gourmet entrees each day. On wednesday, 80 baked chicken dinner were made at a cost of 3.50 each
1. 1 answer
2. asked by Jessica
3. 522 views
Long ago, people decided to divide the day into units called hours. They chose 24 as the number of hours in one day. Why is 24 a
1. 1 answer
2. asked by Shohanur
3. 521 views

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