Questions Asked on
September 12, 2017

Science
1. Which statement best describes the relationship between science and technology? >>A. The goal of science is to gain an understanding of the natural world, while the goal of technology is to use that understanding to improve people's lives.
asked by Ahxello 
chemistry
Which answer choice correctly explains the role of the kinetic theory of matter in the process of solutes being dissolved into solvents? The continuous motion of the particles in the solvent and solute cause them to collide with one another, which results
asked by PLEASE help 
chemistry
Which way of dissolving does NOT change the chemical identity of the solute? disintegration dissociation ionization dispersion is it a?
asked by PLEASE help 
Algebra
Your cell phone plan costs 55 dollars a month, plus 35 cents per minute. Write an equation to represent the monthly bill of the cell phone plan.
asked by Serenity 
Language Arts
In the third wish the king of the forest claims that he has yet to hear of the human being who made any good use of his three wishes in a paragraph consider whether mr peters proves the king wrong do mr peters wishes bring him happiness does he put his
asked by Marisa 
lhs
The Renaissance coincided with classical antiquity 2. Van Eyck's paintings lack any reference to this the Protestant reformation 3. Brueghel’s detailed portraits of daily life are called genre 4. The people he liked to paint heroic 5. In the painting The
asked by njk 
Chem
What volume of water, in mL, is needed to dissolve 8.7 mg of carbon monoxide gas when the partial pressure of carbon monoxide above the water is 1.6 atm at 25 °C? The Henry's constant for carbon monoxide gas in water at 25 °C is 9.5×104 M/atm.
asked by SR23789 
Algebra
Andy and Sylvie each incorrectly simplified the expression 3  4(2x  3). Andy wrote 14x + 21 and Sylvie wrote 8  6. Explain their errors and give the correct answer. My answer: What Andy did wrong is adding instead of subtracting and adding the
asked by Katelyn 
Math
What is four times the difference between 57 and 29
asked by Gerald 
Chemistry  Van't Hoff Factor
How do I determine the van't hoff factor for a strong unknown electrolyte? I have the freezing point depression, (0.46 C) and there 18 ml of the unknown solution. I know the formula is T=iKfm, but I don't know how to apply it when I don't know m.
asked by Allison 
Graphic Design
What are the three main purposes of design?
asked by Anonymous 
Science, Example PLZ?
Using an example, explain how being able to understand scientific principles and think scientifically can help you solve problems and answer questions in your everyday life. Have Any Example? I Sure Dont Have Any... Can You Give Me An Example Or Two Since
asked by Algalla 
Mathematics
You decide you will buy a stock only if it shows an overall increase over the next 30 days. The first 10 days, it has an average daily increase of 0.30. The next 10 days it has an average daily decrease of 0.45. The last 10 days, it has an average daily
asked by Valerie 
Calculus (Need Help)  Rectilinear Motion
Rectilinear Motion: *Need help with these three!* Directions: The position function of a particle moving on a coordinate line is given by the following eq'ns, where s is in feet and t is in sec. Describe the motion of the particle for any time. Make a
asked by Morgan 
Language arts
In the third wish the king of the forest claims that he has yet to hear of the human being who made any good use of his three wishes in a paragraph consider whether mr peters proves the king wrong do mr peters wishes bring him happiness does he put his
asked by Anonymous 
Social Studies
What prompted the establishment of the Articles of Confederation? States needed to be sure that they maintained control over their land. Colonies wanted to show Britain that they were an organized union.***** Delegates thought that the colonies needed to
asked by Snow 
math
What is the value of 14 – a2 given a = –3?
asked by jj 
Math
A cow is tied on a 50foot rope to the corner of a 20ft by 50ft rectangular building. The cow can graze on any of the grass it can reach. What is the area on which the cow can graze?
asked by Nascire 
maths
By increasing the speed of a car by 10km/hr the time of journey for a distance of 72 km is reduced by 36 min. Find the original speed of the car ?
asked by kumar 
Physics
Two hockey players strike a puck of mass 0.168 kg with their sticks simultaneously, exerting forces of 1.16 103 N, directed west, and 9.90 102 N, directed 30.0° east of north. Find the instantaneous acceleration of the puck.
asked by Abby 
math
to which subset of real numbers does the number 22 belong?
asked by Matthew 
Science/Math
7. A student measures the mass of a paper clip. The student’s data table is shown below. The accepted value for the paper clip’s mass is 1.14 g. Trial # Mass 1 2.45 g 2 2.40 g 3 2.42 g Which of the following best describes the student’s measurements?
asked by Algalla 
Math
A rectangular glass tank is half filled with water. The measurements of the tank are 30cm in height, 25cm in length and 20cm in width. How many litres of water will raise the water level in the glass tank by 5cm?
asked by Kate 
Science
2. what is a factor that limits a technological design?
asked by dani 
Biology
What are the roles of hydrogen peroxide, oxygen, hydrogen, and catalase in the following chemical reaction? catalase 2H2O2 > O2 + 2H2O A. Catalase is an enzyme, O2 and H2O are substrates, and H2O2 is a reactant. B. Catalase is a substrate, O2 and H2O are
asked by Bill 
math
Of all the species in the world, 4 out of every 5 are insects. What percentage of species are insects?
asked by madaline 
English
1. He tried to climb the tree. 2. He tried climbing the tree. 3. He wanted to climb the tree,so he did his best, but he couldn't climb the tree. 4. He climbed the tree to check whether he could stand on the thick branches to pick fruit.
asked by rfvv 
CHEM HELP! (Check work)
H3CA is a vitally important intemediate in the metabolism of carbohydrates. The compound is widely distributed in plant and animal tissues and fluids. H3CA is a tiprotric acid, ie, it requires three moles of NaOH to fully neutralize one mole of H3CA. a.)
asked by Morgan 
Nature Photosynthesis
Can you help me with making a acrostic poem with the word Photosynthesis Itll really help me thanks im only eleven so thank you for hwlping if you do!!!
asked by Red Rose 
Statistics
study looked at the effects of light on female mice. Fifty mice were randomly assigned to a regimen of 12 hours of light and 12 hours of dark (LD), while another fifty mice were assigned to 24 hours of light (LL). Researchers observed the mice for two
asked by Mariam 
English
Choose the letter of the word or phrase best matches the word in italics. The campfire was visible *glimmering* between the trees. Answers are Intermittently, Intermittently conspicuously Brightly Weakly I think it's weakly.
asked by Alexa 
chemistry
Examine the scenario. A soda factory dissolves carbon dioxide (CO2) into water (H2O) as part of its manufacturing process. Which answer choice correctly categorizes the solution the soda factory is creating? liquidgas gasliquid liquidliquid solidliquid
asked by check please 
Chemistry
Write out a balanced chemical equation to show the dissociation reaction of magnesium carbonate in distilled water
asked by Lisa 
Math
Dave takes out a 23year mortgage of 200000 dollars for his new house. Dave gets an interest rate of 13.2 percent compounded monthly. He agrees to make equal monthly payments, the first coming in one month. After making the 65th payment, Dave wants to buy
asked by Nicole 
Chemisty  Colligative properties/freezing point
QUESTION: How do you determine the molar mass of the unknown, nonelectrolyte compound for each trial? This is for a lab. My data is: freezing point of solvent (water): 0.58 freezing point of unknown: 0.93 Mass of solvent (water): 19 ml Mass of unknown:
asked by Jamie 
chemistry
For a 0.50 molal solution of sucrose in water, calculate the freezing point and the boiling point of the solution. Please list each step.?
asked by william 
Science
In order to reproduce, flowering plants must do what? A. split into two cells B. release seeds C. regenerate D. mate I think the answer is b.
asked by Zoey 
Science/Math
6. A student measures a rectangular room to be 20.0 m Ã— 17.16 m. Which of the numbers below represents the roomâ€™s area with the correct number of significant figures? (1 point) â€¢ 340 m2 â€¢ 343 m2 â€¢ 343.2 m2*** â€¢ 343.20 m2
asked by Algalla 
algebra
thank you Steve for helping me out. Accurately classify the sequence and then create a corresponding explicit and recursive formula for finding the nth terms of each sequence. A. 32, 30, 28, 26,..... B. 9,3, 1,  _1 .......
asked by matthew 
Mathematics
Of the set (5,5,3,8) which two numbers have the same absolute value. I'm having trouble trying to solve this I'd be great anyone help explain it.
asked by Luf 
math
Josie measured a city park and made a scale drawing. The scale she used was 14 centimeters = 5 meters. The actual width of the soccer field is 80 meters. How wide is the field in the drawing?
asked by shyah 
algebra
1. solve 2x + y = 7 for y 2. solve 2y  18x = 26 for y 3. solve 20x + 5y =15 for y 4. solve 9x  y = 45 for y 5. solve 6x  3y = 6 for y 6. solve 4x  5 = 7 + 4y for y
asked by boB 
Math Help
A paintball gun shoots a ball at 88 feet per second. Convert this to miles per hour. Use 1 mile = 5280.
asked by Miza 
EPI
I need help finding a principle of economics. The principal is people choose. The text is called "Why we're still fighting the civil war " by David Von Drehle. Time Magazine has the article. My answer is "Abraham Lincoln said that a single issue dividing
asked by Aria 
Math
Two families met at a par for a picnic at the end of the day, they part ways. Family A leaves 15 minutes after Family B and travels east at an average of 42 mph; while family B travels west at an average of 50mph. Both families have an approximately 160
asked by Anonymous 
algebra 2
Two families met at a par for a picnic at the end of the day, they part ways. Family A leaves 15 minutes after Family B and travels east at an average of 42 mph; while family B travels west at an average of 50mph. Both families have an approximately 160
asked by KAYLA_ PLEASE IGNORE FIRST TIME I ASKED THIS 
precalc
(2)^x =  1/128 solve for x
asked by tom 
science
c6h12o6(aq)+6o2(g)>6co2(g)+6h2o(l) ∆h=2820kj c2h5oh(aq)+3o2(g)>2co2(g)+3h2o(l) ∆h=1380kj hitunglah reaksi c6h12o6(aq)>2c2h5oh(aq)+2co2(g)
asked by sarah 
social studies
Which of the following was an achievement of the Mayas? 1) a system of canals in their main city? 2) the city of Tenochtitlan 3) a calendar 4) a strong army I think it is 1 but not sure. Thanks for your help.
asked by Jamie 
Algebra 1
which property is illistrated by the following statment 3+x=x+3
asked by Christopher wood 
Science
How can the body of an animal stay healthy? a.fighting disease b.making food c.getting enough sunlight d. reproducing I think it is c.
asked by Zoey 
Interview
One day, a pharmacy school classmate gives you a sheet containing questions for an upcoming exam. How would you handle the situation and what issues would you consider important in coming to a decision about what to do?
asked by Veronica 
Chemistry
To make a 5.0L solution that is 38.8% NaCl by weight in water. How much salt should you add to the 5.0L to prepare?
asked by Anita 
Geography
Mapmaker
asked by Sumer 
math
meredith wants to paint 3 of the walls in her room each wall has the shape of a rectangle with dimensions 10 feet by 12 feet she has 1 can of paint that will cover approixmately 420 square feet which method can meredith use to determine whether or not she
asked by sam 
algebra
simplify log (xy/z^2) log^5square root a^4/b^2
asked by matthew 
chemistry
SO2 and O2 are placed in a 2.00 L container at a temperature of 786 °C and a pressure of 6.99 atm. During the reaction, SO3 forms and the pressure falls to 1.89 atm. Determine how many moles of SO3 are generated.
asked by leo 
Physics
2 Dimensional MotionKinematics QS 1: An airplane wishes to travel 800 km northeast of a starting point. There is a wind blow towards the east at 100km/h. Assuming the maximum speed of the plane in still air is 500km/h, a: what course should the pilot
asked by mack 
Statistics
A statistics class is made up of 60% women and has 21 women in it. What is the total number of students in the class?
asked by Mariam 
Chemistry
2 gram of Potassium Sulphate was dissolved in 12.5 ml of water on cooling the first crystals appeared at 60 degree Celsius what is the solubility of Potassium Sulphate in water at 60 degree Celsius
asked by Als 
Pre Algebra
What is the solution to 55+q=7? P.S if you happen to Have any more answers to the other questions that is greatly appreciated
asked by Help? 
math/science
1. what type of failure occurs when we cut paper with scissors? 2. what type of failure occurs when you spread butter on toast? strength, stiffness, or stability
asked by lila 
math
Let N N denote the natural numbers {1,2,3,4,...}. Observe a f that satisfies f(1)=1, f(2n)=f(n), f(2n+1)=f(2n)+1 for all n that are natural numbers. Write a algorithm for f(n).
asked by Suze 
1 grade math
if i have 9 cows and 10 more cows come in how many cows do i have. 9+10=?
asked by Jenny 
Math
The park department planted oak and mapel trees in a 5 to7 ratio. They planted 360 trees. How many mapel did they plant?
asked by Devon 
Math
What is 3/4 divided by 2/9
asked by Jenny 
algebra
solve y  3x = 13 for y
asked by boB 
Chem.
A balloon has a volume of 240 mL at room temperature (25°C or 298 K). What temperature would you have to heat or cool the balloon to in order to change its volume to 360 mL (Answer in Kelvin)? please write out the formula and how you solved this so I can
asked by Sandee 
Algebra
A cashier has only one dollar bills, quarters,and dimes. List all the ways you could receive $2.50 in change $1 Bills Quarters Dimes Ex. 2 2 0
asked by jhon 
Math
Can someone please help me to find the number that is divisible 2,3,4, and 5
asked by Young Lil G 
chemistry
Why is CO2 not ionic?
asked by william 
Math
Johanna has 100 books she wants to finish by the end of the month. Today is the 1st day of the month if the month ends in the 31st. How many more days does Johanna have left to read 100 books
asked by Johanna 
Math
A furniture store delivers without charge to any location within 100 mi of the store. About what is the area of this region?
asked by Nascire 
Chemistry
What mass of MgCl2 should be dissolved in 75.0 g H2O to produce a solution that is 38.5% solute by mass?
asked by SR23789 
Calculus
Rectilinear Motion Discuss the Velocity, Acceleration, and Speed: 1. s(t)=2t^2 +8t7 2. s(t)=3t^4 16t^3 +24t^2
asked by A 
algebra
identify if the given functions are one to one 1. f(x)=x^37x 2. g(x) = square root x3+1 3. h(x)=4x^42x^2+11
asked by Kevin 
Chemistry  Colligative properties/freezing point
I need help on my lab. I think I have all the data and steps right, but my results aren't making sense: Feezing point of water: 0.58 C Freezing point of Unknown: 0.93 C Freezing point depressions: 0.34 C Mass of unknown: 1.045 g, mass of solvent (water):
asked by Jamie 
Math
Whats a whole number and whats 240,000 multiplied by the power of ten?
asked by Daija 
Math
If a man run 10 miles in 3 hours, how many miles he run per minute?
asked by Alyvia 
Algebra 1
what is the value of xy/z if x=2 y=3 z=4
asked by Christopher wood 
Algebra
(2014)^2 ÷ 12 a. 1 b. 3 ** c. 17 d. 0.5
asked by Destiny 
7th Grade Math
What value(s) can x have if x = 7? Explain.
asked by Jerry 
Maths
X, is assumed to be a random variable by placing letters of the word “YACHT” in a hat. If these letters are withdrawn then it gets replaced. A value of 1 is given when a vowel is retrieved, and a value of 2 is given when a consonant is retrieved while
asked by Anonymous 
Science
How does salmon increase the chances of the survival of it species? a.lays a thousand eggs b.splits into two c.nurtures it young d.lays one egg I think it is a.
asked by Zoey 
Maths
Expressions
asked by Philly 
graphic design please help
i tried to find the answer but i come up with nothing please help any links or any thing will be helpful In 12 paragraphs describe the importance of prioritizing your focus when designing for multiple purposes
asked by helper/student 
Equal riddle
I am between 20 to 30.when u put me into 5 equal group, there is an odd number in each group and one is left over.what number am i
asked by Erika 
English
Five simple subject on valentine
asked by Anonymous 
Phy sci
If you are travelling at 35mph and it takes you 25 seconds to stop, how far have you gone?
asked by Spencer Brown 
Algebra
Find an equation of a line parallel to the given line and contains the given point. Write the equation in slopeintercept form. a. line 2x+3y=2 , point (0,0) b. line y+4=0, Point (5,3)
asked by Keonn'a 
Algebra
Find an equation of a line perpendicular to the given line and contains the given point. Write the equation in slopeintercept form. a. line 3x+y=5, point (1,2) b. line y=3x+1, point (6,1)
asked by Keonn'a 
Biology
What is a protein that transports ions across the plasma membrane without requiring energy or changing shape?
asked by Sara 
Math (Please Check)
X, is assumed to be a random variable by placing letters of the word “YACHT” in a hat. If these letters are withdrawn then it gets replaced. A value of 1 is given when a vowel is retrieved, and a value of 2 is given when a consonant is retrieved while
asked by Anonymous 
Chemistry
Ammonia has a molar mass of 17.0 Gram molecules hydrogen chloride has a molar mass of 26.5 Gram molecule what is the ratio of their diffusion rates
asked by Als 
Math
Given A is (2,3),Find point B,given their distance is 7 units
asked by Anna 
Math
Using two examples for each operation (addition, subtraction, multiplication and division), use two fractions which will equal 2/5.
asked by Anonymous 
Calculus
let f(x)=1x f(x)=1x and g(x)=x2 +5x.g(x)=x2 +5x. find (f⋅g)(x)(f⋅g)(x) Can someone help me with this I dont know how to do this
asked by Misha 
chemistry
What is the mass of the organic substance formed by heating of 21.0g of butanoate of ammonium, admitting that the reaction presents a yield of 50%?
asked by william