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2017
February

Questions Asked on February 19, 2017

suppose c and d vary inversely and d=2 when c=17write an equation that models that variation find d when c=68
1. 53 answers
2. asked by Steve
3. 9,012 views
What is the percentage of sugar in the syrup made of 10 kg of water and 15 kg of sugar?
1. 55 answers
2. asked by Anonymous
3. 7,467 views
You carefully weigh out 20.00 g of CaCO3 powder and add it to 81.00 g of HCl solution. You notice bubbles as a reaction takes
1. 1 answer
2. asked by kaba
3. 5,462 views
At the movie theatre, child admission is $5.50 and adult admission is $9.50. On Saturday, 148 tickets were sold for a total
1. 1 answer
2. asked by Chris Harris
3. 4,580 views
Hello, I was confused on this chemistry problem and I was wondering if someone could please help me.1) Consider the following
1. 2 answers
2. asked by molly
3. 3,952 views
Calculate the volume of a steel bar which is 8cm long and 3.5cm in diameter
1. 13 answers
2. asked by Margret
3. 3,792 views
How many grams of CaCl2 would be dissolved in 1.1 L of a 0.17 M solution of CaCl2?
1. 2 answers
2. asked by john
3. 3,491 views
a heterozygous tall pea plant is crossed with a short pea plant.what are the expected genotypic and phenotypic ratio for this
1. 3 answers
2. asked by yukino
3. 3,331 views
Mary is riding a merry-go-round, whose radius is 25 feet and which is turning 36 degrees per second. Seeing a friend in the
1. 2 answers
2. asked by Mike
3. 3,289 views
Three circles of radius 1 unit fit inside a square such that the two outer circles touch the middle circle and the sides of the
1. 4 answers
2. asked by Lilly
3. 3,285 views
Form the differential equation of the family of straight line with slope and y- intercept equal
1. 1 answer
2. asked by Bilal
3. 2,971 views
write a sequence of the transformation that maps quadrilateral ABCD onto quadrilateral A"B"C"D" in picture below.
1. 1 answer
2. asked by cmac
3. 2,916 views
use the figure to answer questions 1-3.1. name a pair of vertical angles ∠2 and ∠5 ∠2 and ∠6 ∠3 and ∠4 ∠5 and ∠6
1. 10 answers
2. asked by gluestick
3. 2,629 views
Hello, I was hoping that I could get some help with calculating the mass needed to completely react with this question.In the
1. 1 answer
2. asked by anon
3. 2,368 views
Justin is 3 years older then Sam, and Justin’s age in 2 years will be twice what Sam’s age was 3 years ago. Find their
1. 1 answer
2. asked by allie
3. 2,348 views
Select the answer that correctly orders the set of numbers from greatest to least. 15%, 1/8, 0.2, 0.09A: 0.2, 15%, 1/8, 0.09
1. 13 answers
2. asked by Help I need somebody not just anybody
3. 2,331 views
How many minutes would be required for a 310.0 W immersion heater to heat 202.0 g of water from 22.0°C to 95.6°C?
1. 1 answer
2. asked by Keisha morris
3. 2,047 views
The Arizona Bay Corporation sells on credit terms of net 30. Its accounts are, on average, four days past due. If annual credit
1. 2 answers
2. asked by JPB
3. 2,042 views
A swimming pool is 25m long, 10m wide and 2m deep what is the volume
1. 2 answers
2. asked by Zak
3. 2,027 views
Balance the following chemical reaction and determine the number of moles of HI produced when 2.33 moles of H2(g) are consumed
1. 1 answer
2. asked by anon
3. 1,962 views
(SAT Prep) The diagonalsBF and CE divide the hexagon ABCDEF into two equilateral triangles and a square. Find the perimeter of
1. 13 answers
2. asked by Anonymous
3. 1,930 views
Does the relation in the table represent direct variation, inverse variation, or neither? if it is direct or inverse variation,
1. 2 answers
2. asked by Steve
3. 1,771 views
Neil has a total of twelve $5 and $10 bills in his wallet. He has 5 times as many $10 bills as $5 dollar bills. How many of each
1. 2 answers
2. asked by Juan Constantino
3. 1,603 views
150g of sugar was used to make a bottle of 8% syrup. How much water was used to make this bottle of syrup? How much syrup is
1. 3 answers
2. asked by Anonymous
3. 1,483 views
The figure at right shows a long rectangular strip ofpaper, one corner of which has been folded over to meet the opposite edge,
1. 2 answers
2. asked by Jamie
3. 1,465 views
1. Which of the following could be an engineering project that could better protect the planet?-finding a new landfill site
1. 8 answers
2. asked by Lily-MS.SUE ANYBODY
3. 1,210 views
Find three consecutive integers whose sum is 138 by writing and solving an equation.
1. 1 answer
2. asked by Bonnie
3. 1,102 views
calculate the number of molecules in 6.4g of so2. (b) 1.5 moles of hydrogen chloride
1. 4 answers
2. asked by obot
3. 1,099 views
Richard is 6 years older than Lisa, and in 5 years the sum of their ages will be twice as much as the sum of their ages 4 years
1. 1 answer
2. asked by allie
3. 1,061 views
Find the area under the standard normal curve between z = 0 and z = 1.37.
1. 2 answers
2. asked by Sharon
3. 1,039 views
what is the sum of the interior angles of a quadrilateral?
1. 6 answers
2. asked by gluestick
3. 1,026 views
Write the formulas of the compounds formed by NH4+ with the following anions: CN−, HCO3−, SO42−, HPO42−
1. 2 answers
2. asked by Miranda
3. 995 views
What volume of a 3.90 M KI stock solution would you use to make 0.430 L of a 1.25 M KI solution?
1. 1 answer
2. asked by john
3. 956 views
A farmer wishes to fence his field with 3 rows of wire.if the dimensions of the field are 120m by 68m,find the total length of
1. 2 answers
2. asked by Anandh
3. 941 views
Cameron has been eating 2 dollar menu burgers every week (7 days). at that rate,how many hamburgers will he eat in 4 weeks?
1. 1 answer
2. asked by Hyacinthe
3. 815 views
What are the molality and mole fraction of solute in a 25.5 percent by mass aqueous solution of formic acid (HCOOH)?
1. 1 answer
2. asked by john
3. 750 views
A circular sector has an 6.26-inch radius and a 10.84-inch arc length. There is another sector that has the same area and the
1. 1 answer
2. asked by Jane
3. 748 views
A healthier substitution for one egg is
1. 5 answers
2. asked by Lala
3. 734 views
MH = 16.32 g/kgSH = 9.86 g/kg Air mass temperature = 15° C (59° F) What is the Relative humidity & the approximate Dew-point
1. 0 answers
2. asked by Jules
3. 732 views
(SAT Prep) The perimeter of pentagon ABCDE is 30 in, AB = 7 in, BC = CD = 6 in, DE = 5 in. How many sides of the pentagon have
1. 0 answers
2. asked by Anonymous
3. 715 views
Using the average daily balance method and the information given, find the credit card finance charge for the month of
1. 2 answers
2. asked by Derek
3. 696 views
A lawn50m.long and40m.broad has a path of uniform width 8m. outside it.Find the area of the path.
1. 2 answers
2. asked by Anshu
3. 693 views
A pilot wants to bomb his target on the ground. If the angle of the plane from the horizontal is 20° and the velocity of the
1. 1 answer
2. asked by Harrieth
3. 688 views
The dipole moment of a water molecule is 6.37E-30 Cm. What is the electric potential's magnitude 1.58 nm from a water molecule
1. 0 answers
2. asked by Sarah
3. 662 views
Hello, I really don't understand how to find the grams of moles in some of these reactions. If someone could help I would
1. 1 answer
2. asked by Anonymous
3. 660 views
A spherical balloon remains spherical as it is slowly inflated. The radius of the balloon r (in cm) at time t (in seconds)
1. 1 answer
2. asked by Anon
3. 659 views
What is the percent by volume of ethanol in a solution that contains 26 mL of ethanol dissolved in 113 mL of water?explain
1. 1 answer
2. asked by Brianna
3. 643 views
List six And explain internal limitation of human right And six external limitation of human right
1. 2 answers
2. asked by Hauwa
3. 640 views
You have 1683.8 g of a bleach solution. The percent by mass of the solute sodium hypochlorite, NaOCl, is 3.62%. How many grams
1. 2 answers
2. asked by Brianna
3. 638 views
When dots are placed on a page from a laser printer, they must be close enough so that you do not see the individual dots of
1. 0 answers
2. asked by Megan
3. 638 views
What are the molality and mole fraction of solute in a 25.5 percent by mass aqueous solution of formic acid (HCOOH)?(Explain how
1. 2 answers
2. asked by Brianna
3. 629 views
In a book closet, mathematics books are kept in stacks of 4. If each student carries no more than one stack, what is the least
1. 1 answer
2. asked by Kelly
3. 620 views
In a book closet, mathematics books are kept in stacks of 4. If each student carries no more than one stack, what is the least
1. 1 answer
2. asked by Kelly
3. 592 views
City A is 300km due east of city B ..city C is 200km on a bearing of 123* from city B how far is it from C to A
1. 1 answer
2. asked by Aisha
3. 592 views
Using the Widmark equation,Write the equation you would solve to figure out how long it will take before his BAC is 0.08. Is it
1. 3 answers
2. asked by Vaughn
3. 586 views
B owes $3000 due 2 years from today without interest and $2000 with interest at 4% compounded quarterly due in 6 years from
1. 0 answers
2. asked by AAA
3. 569 views
What is the ratio of the maximum axial stress to the maximum bending stress in the inclined cell walls of hexagon honeycombs in
1. 1 answer
2. asked by lorenzo
3. 561 views
Samantha went shopping and spent half her money on a T-shirt and a third of her money on a scarf. She returned with $15. How
1. 2 answers
2. asked by Lizzie
3. 557 views
Raoul got to spin this spinner ,to see what chorehe had to do Saturday morning. He could wash the dishes, wash the car,wash the
1. 2 answers
2. asked by T
3. 557 views
a body is released from the great height and falls freely towards the earth . another body is released from the same height ,
1. 2 answers
2. asked by farha
3. 541 views
Write the inequality that represents the solution set for −15/9y < 11/13 .Please help thanks
1. 5 answers
2. asked by z
3. 537 views
There are 6 boys entered in the 100-meter dash. How many different ways could the come in 1st, 2nd, and 3rd? They are John,
1. 1 answer
2. asked by Jamye
3. 522 views
The Burger Barn served 24 customers yesterday. 1/2 of the customers ordered breakfast. 1/3 of the remaining customers ordered
1. 1 answer
2. asked by anagha
3. 519 views
Mr. shows bought movie tickets for the members of his family and spent $12.50 on popcorn. He spent a total of $46.25 for his
1. 1 answer
2. asked by Jamye
3. 518 views
65x .6= 3939x 1.05= 40.95 The answer is $40.95 Is this right ?
1. 3 answers
2. asked by Help I need somebody not just anybody
3. 514 views
Peanuts, walnuts, and cashews are mixed by volume in the ratio 5:3:2, to make a party snack. The number of cups of walnuts
1. 2 answers
2. asked by Terrence
3. 513 views
Good morning.Quick question. dr/dt=K/r^2 When the radius is 3cm, the radius is increasing at a rate of 5/36pi. Use this fact to
1. 2 answers
2. asked by Mat
3. 509 views
Mr. shows bought movie tickets for the members of his family and spent $12.50 on popcorn. He spent a total of $46.25 for his
1. 1 answer
2. asked by Jamye
3. 506 views
With reference to collision theory account for the colour change that occurred when HCl was added to K2CrO4 (Cromate)
1. 2 answers
2. asked by kate
3. 503 views
A segment that is a units long makes a C-degree angle with a segment that is b units long. In terms of a, b, and C, find the
1. 1 answer
2. asked by Jane
3. 503 views
. Using your calculated value for molar heat of reaction, how much heat would be given off in kilojoules if 3.0 grams of
1. 1 answer
2. asked by Ty M.
3. 503 views
What volume of a 4.50 M KI stock solution would you use to make 0.455 L of a 1.25 M KI solution?
1. 2 answers
2. asked by Daryll
3. 499 views
Find the smallest positive 2 digit whole no which is divisible by 3 such that the sum of it digit is 9.
1. 1 answer
2. asked by akshay gupta
3. 497 views
A certain is to be shared among three brothers ,one of them gets 2/5 of it,another gets 1/4 of it and the third one gets #2.10k.
1. 2 answers
2. asked by Pee
3. 496 views
one half of jeans age two years from now plus one third of her age three years ago is twenty years. how old is she now?
1. 1 answer
2. asked by kath
3. 492 views
a. what are the composition in nutrient broth?b. give 5 different types of media used for cultivation of microbes and define
1. 3 answers
2. asked by sophie
3. 490 views
What is the molality of a solution containing 11.1 g Na2SO4 dissolved in 2269.2 g of water?
1. 1 answer
2. asked by john
3. 471 views
A boat covered the distance of 450km in 13/2 hrs. if the boat covers thefirst two third of the distance at the speed of 75km/hrs
1. 2 answers
2. asked by akshay gupta
3. 470 views
2300 Joules is used to lift a wheelbarrow through 4 meters up an inclined plane into a container.Why does the man use more
1. 4 answers
2. asked by Tia
3. 465 views
Draw all the possible conformations for the following compounds and rank their stability (#1 least stable).a)
1. 1 answer
2. asked by Louis
3. 463 views
You have 1683.8 g of a bleach solution. The percent by mass of the solute sodium hypochlorite, NaOCl, is 3.62%. How many grams
1. 1 answer
2. asked by john
3. 452 views
Sam saved 4/7 of his paycheck and spent 2/5 of the remaining money. He was then left with $9. What was the original value of
1. 2 answers
2. asked by anagha
3. 430 views
Ryan needs 8 5/16 feet of molding to finish a closet. He has 6 feet of molding. How many more feet of molding does he need?
1. 1 answer
2. asked by Kelly
3. 426 views
75 km at 25° north of east, then 75 km at 65° south of west, and then 75 km due south
1. 1 answer
2. asked by Sotha
3. 425 views
What is the relationship between angle and gpe with a cart and a ramp. Also if it isn't linear find away to graph it in a linear
1. 1 answer
2. asked by Anthony
3. 424 views
2300 Joules is used to lift a wheelbarrow through 4 meters up an inclined plane into a container.Why does the man use more
1. 2 answers
2. asked by Kale
3. 411 views
If the volume of a given cube is 512cm. What is the length
1. 1 answer
2. asked by Lisi
3. 402 views
3 bags of chips and 5 bottles of water cost $31. A chip costs one dollar less than 3 bottles of water. Find the cost of each.
1. 1 answer
2. asked by Elizabeth
3. 390 views
Find All Real Numbers4x3 = 16x (4x cubed)
1. 1 answer
2. asked by Tony
3. 386 views
Draw only the different stereoisomers for the following compounds:a) 2,4-diiodohexane b) 1-s-butyl-3ethylcycloheptane
1. 0 answers
2. asked by Louis
3. 383 views
Which is a reasonable estimate?2/3 + 4/5 a. <1 b. About 1 c. About 1 1/2 d. Between 2 and 3
1. 1 answer
2. asked by Kelly
3. 379 views
how many moles of co2 produced when 3 moles of hcl react with caco3
1. 1 answer
2. asked by sandeep
3. 373 views
What is methanol?
1. 1 answer
2. asked by J
3. 373 views
17 km due north, then at 7° south of east, and then 15 km at west of south
1. 1 answer
2. asked by Sotha
3. 352 views
OK I have no clue how to do this .Can you believe that it is about -360¤F on Neptune,about -357¤F on Uranus? BRRRR ! That's
1. 3 answers
2. asked by Unknown needs help
3. 352 views
Make c the subject c=ne/R±nr
1. 1 answer
2. asked by Exponent
3. 351 views
23m round off to the nearest 5m
1. 1 answer
2. asked by Gabriel
3. 347 views
How much yard of gunite mix is needed for swimming pool 11ft by 23ft 6 in wall and 8 in floor
1. 1 answer
2. asked by Stennis
3. 346 views
Finde three consecutive integers such that the sum of the first and third is 16
1. 1 answer
2. asked by kath
3. 344 views
how is energy conserved ith a spring and box on a ramp. does 1/2kx^2 still equal gpe? what if the spring displacement is the
1. 0 answers
2. asked by Anonymous
3. 342 views

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