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michelle

Questions (500)

solve for w A=lw
1. 1 answer
2. 104 views
passenger plane flew from Texas to Frankfurt and back: The round trip is 9900 km. The return trip took hours less than the trip
1. 1 answer
2. 532 views
The new inventions and ideas of the Renaissance were supported by what???
1. 0 answers
2. 281 views
A rectangular floor of area 75.6 m2 is going to be tiled. Each tile is rectangular, and has an area of 400 cm2. An exact number
1. 1 answer
2. 461 views
A roofer charges $60 for the first hour of a service call and $20 per hour for each additional hour, as shown on the graph
1. 1 answer
2. 1,186 views
The correct term for a change from gas to liquid is
1. 1 answer
2. 197 views
Find the number of inches in the radius of a circle if a central angle of measure 2 radians intercepts an arc of length 3/4
1. 1 answer
2. 417 views
Which recursive sequence would produce the sequence 6, -26, 102, ...6,−26,102,...?
1. 2 answers
2. 1,235 views
During the month of January, the depth, d, of snow in inches at the base of one ski resort could be approximated by d = -2t +
1. 1 answer
2. 1,158 views
write a skeleton equation foraluminum(s)+iodine(s) ->aluminum iodide(s)
1. 2 answers
2. 1,647 views
When might a meteorologist use both a regional weather map and a global weather map when it comes to making their predictions?
1. 6 answers
2. 1,297 views
Compute the measure of the complement of <Y in terms of x if m<Y = (8x-20) degrees
1. 3 answers
2. 504 views
If a conditional statement is true, which related conditional is always true?1. converse 2. inverse 3. contrapositive 4.
1. 3 answers
2. 1,995 views
what is the smallest unit of measure and what are the parts it is made of?
1. 1 answer
2. 415 views
A ghost on a 135 feet cliff perpendicular to the ground looks down at an angle of 16 degrees and sees a werewolf. How far away
1. 1 answer
2. 751 views
One of the most tragic themes in Night is Eliezer's discovery of the way that atrocities and cruel treatment can make decent
1. 1 answer
2. 1,166 views
4 to the power of 4/5A. 48/10 B. 24/10 C. 21/5 D. 4.4 I got B but I'm not sure, any help would be appreciated :-)
1. 4 answers
2. 536 views
269 mL of a 0.2089 M sodium carbonate (Na2CO3) solution is prepared and labelled solution A. Calculate the mass (in grams) of
1. 1 answer
2. 663 views
what are the philosophy of home economics?
1. 1 answer
2. 695 views
a 400 kg block of iron is heated from 295 k to 325 k. how much heat is absorbed by the iron? ( the specific heat is 450 j. /kg.
1. 1 answer
2. 1,680 views
sally and lisa have identical compact cars sally drives on the freeway with a great speed than lisa. which car has more kinetic
1. 1 answer
2. 804 views
oil consumption is increasing at a rate of 2.2% per year. in how many years will the oil consumption be twice the amount it is
1. 2 answers
2. 539 views
if michael opened an account paying 1% interest for 20 years. will his money double in time? how many years will it take to
1. 1 answer
2. 491 views
a family of 100 ants invades your home. if its population increases at a rate of 20% per week, in how many weeks will there be
1. 2 answers
2. 686 views
urban encroachment is causing the area of a forest to decline at a rate of 7% per year. what is the half-life time of the
1. 1 answer
2. 1,948 views
a daily newspaper had 12,125 subscribers when it began publication. five years later it has 10,100 subscribers. what is the
1. 1 answer
2. 927 views
a golf ball is hit at an angle of 45 degrees with the horizontal. if the initial velocity of the ball is 52m/s , how far will it
1. 4 answers
2. 4,222 views
what is electromagnetic radiation
1. 1 answer
2. 405 views
i dont understand compare the victorian period to modern day life like in christmas carol essay
1. 1 answer
2. 558 views
A uniform stripe of eureka (resistivity 5-0 × 〖10〗^(-7) Ωm) has a resistance of 0.80 Ω per metre and is 0.25 cm wide.
1. 2 answers
2. 636 views
A block of carbon, 1.0 cm by 2.0 cm by 5.0 cm has a resistance of 0.80 Ω between its two smaller faces. What is the resistivity
1. 1 answer
2. 672 views
. The maximum allowable resistance for an underwater cable is one hundredth of an ohm per metre. If the resistivity of cooper is
1. 0 answers
2. 1,087 views
What length of German silver wire, diameter 0.050 cm, is needed to make a 28 Ωresistor, if the resistivity of German silver is
1. 1 answer
2. 1,594 views
The resistance of the ohm is very approximately that of a column of mercury 1.06 m long and of uniform cross-section of one
1. 0 answers
2. 682 views
Taking the resistivity of platinoid as 3.3 × 〖10〗^(-7) Ω m, find the resistance of 7.0 of platinoid wire of average
1. 3 answers
2. 456 views
The heating elements of an electric toaster is typically made of nichrome wire(an alloy of nickel and chromium). As current
1. 2 answers
2. 4,022 views
A wire of uniform cross-section has a resistance of R Ω. What would be the resistance of a similar wire, made of the same
1. 1 answer
2. 1,550 views
A ship sails 15.0 mi on a course S40°10’W and then 21.0 mi on a course N28°20’W. Find the distance and direction of the
1. 1 answer
2. 759 views
how to write a pseudocode for a system that allows user to create an account with features such as username, password, email,
1. 0 answers
2. 737 views
mike reads thrice as fast as judy.the ratio of the number of words judy can read per minute to the number of words paul can read
1. 1 answer
2. 510 views
John saved 8/5 of what Mary saved. Idf Mar saved P 390 lessthan what John saved, how much did both of them saved?
1. 1 answer
2. 605 views
Martin had red toy cars and blue cars in a box. the ratio of the blue toy cars to the red toy cars is 5:2. When Martin put 15
1. 1 answer
2. 602 views
michelle inherited 5/8 of his father's estate. He sold 2/5 of his share. What part of the entire estate did he sell?
1. 1 answer
2. 972 views
Suppose you have an extremely unfair coin: the probability of a head is 1/5, and the probability of a tail is 4/5. If you toss
1. 1 answer
2. 762 views
Data has been collected from a representative of a well-defined population to answer the question: "How much money does the
1. 1 answer
2. 1,915 views
Calculate the number of moles of NH3 that can be formed from the complete reaction of 0.30 moles of N2 according to the equation
1. 1 answer
2. 560 views
what is P(78.3 < x bar < 85.1)?
1. 1 answer
2. 477 views
I need help in the formula to calculate these types of problems125ml of 0.43M of HCl + 17ml of 1.8M HCl Calculate the
1. 1 answer
2. 577 views
what is the value of j in the equation square root of j plus the square root of j plus equals 3 the square root of j plus 10?
1. 1 answer
2. 567 views
Their are 12 crayons - 1 =9
1. 1 answer
2. 816 views
if 3.2 kcal of heat is added to 1kg of ice at 0 celcius, how much ice is produced and how much ice is left?
1. 1 answer
2. 1,143 views
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.73 nm. It then gives off a photon having a
1. 1 answer
2. 1,343 views
35/65 in simplest form
1. 1 answer
2. 389 views
there are 40 bikes inspected. If 15 need new tires and 26 need gear repairs.-what is the greatest number of bikes that could
1. 1 answer
2. 2,537 views
A car travels at a constant speed of 30 mph for 20 miles, at a speed of 40 fps for the next 20 miles, and then travels the final
1. 1 answer
2. 726 views
An artist wants to make alabaster pyramids using a block of alabaster with a volume of 576 cubic inches. She plans to make each
1. 2 answers
2. 1,492 views
what single word means the same thing as representative democracy
1. 2 answers
2. 568 views
a solution is prepared with 3.26g kcl and water to make 25.0ml,of kcl,what is the %(m/V) of the kcl solution.
1. 4 answers
2. 4,271 views
okay so in lab we made up 2 solutions of FeCl3 and KI. We varied the volumes...I was just wondering how to calculate a new
1. 2 answers
2. 1,034 views
what is the square root of 144?
1. 1 answer
2. 1,346 views
An arc AB of length 5cm is marked an a circle of radius 3cm. Find the area of the sector bounded by this arc and the radii from
1. 1 answer
2. 2,499 views
A cord AB of length 4cm divides a circle of radius 3.3cm into two segments.find the area of each segment.
1. 1 answer
2. 619 views
6/(v-5)(v+2) if the rational expression is defined for all real numbers
1. 1 answer
2. 414 views
The math question is "in a piggy bank there is a total of $15.75. If the ratio of dimes to quarters is 5:7, find the total
1. 1 answer
2. 541 views
Balance redox reaction.Fe(s) + O2(g) + H2O(l)-->Fe2+(aq) +OH-
1. 1 answer
2. 1,026 views
Calculate the pH of the solutions obtained by dissolving the following in a liter of water: 0.2 mole of glycine plus 0.1 mole of
1. 1 answer
2. 555 views
Problem: A ball is dropped from the top of a building that is 250 feet tall. The height h of the ball in feet after t seconds is
1. 2 answers
2. 4,443 views
Janie's couch is 7 1/2 feet long.the scale of the dollhouse is 1 inch:2feet. what is the length of the miniature couch for the
1. 7 answers
2. 973 views
a 2.00l buffer contains 1.00 mol HNO3 mixed with 1.00mol NaNO2a. write the relevant ionization equation for this buffer. b.
1. 1 answer
2. 543 views
a 37.4-kg traffic light is supported by two wires prove you answer applying newtons law
1. 0 answers
2. 563 views
Carbon monoxide burns in oxygen to form carbon dioxide. what volume of oxygen at 25 degrees Celsius and 760. mmHg is required to
1. 1 answer
2. 1,564 views
Consider the reaction,3 H2(g) + N2(g) => 2 NH3(g). How many grams of NH3 will be made by the reaction of 3 moles of H2(g) with
1. 2 answers
2. 622 views
Consider the following reaction:2 B5H9 + 12 O2 => 5 B2O3 + 9 H2O How many grams of B2O3 are made by the reaction of 233.8 g of
1. 1 answer
2. 750 views
Consider the following reaction:2 B5H9 + 12 O2 => 5 B2O3 + 9 H2O How many grams of O2 are needed to make 432.7 g of H2O?
1. 1 answer
2. 663 views
2.15 g of a substance X contain 4.34 x 1022 molecules of X. Calculate the molar mass of X in g/mol.
1. 1 answer
2. 396 views
Consider the equation:N2 + 3 H2 =>2 NH3. How many moles of NH3 will be made from 4.2 x 1023 molecules of N2? Give your answer to
1. 1 answer
2. 624 views
Consider the equation:N2 + 3 H2 =>2 NH3. How many moles of NH3 will be made from 2.1 x 1024 molecules of N2?
1. 1 answer
2. 508 views
Consider the reaction,4 NH3 + 5 O2 => 4 NO + 6 H2O How many grams of NO will be made from 10.7 moles of O2?
1. 1 answer
2. 573 views
what is the percent yield of the reaction between 5.2 mL of 0.1233 M barium nitrate and 4.9 mL of 0.1256 sodium sulfate if 0.140
1. 1 answer
2. 524 views
What mas of liquid mercury should be produced by the reaction between 5.0 mL of 0.1102 M mercury(II)nitrate ans 0.621 grams of
1. 1 answer
2. 642 views
James wishes to make a deposit. He has these bills: 16 ones, 5 fives, 5 tens, and 3 twenties. He has 4 nickels, 20 dimes, and 16
1. 1 answer
2. 755 views
How many tons of zinc can be obtained from 976 tons of zinc ore that is 78.0% zinc carbonate?
1. 1 answer
2. 1,183 views
What is the percentage of water in copper (II) sulfate pentahydrate?
1. 1 answer
2. 522 views
How many grams of the adipic acid (C6H10O4) could form from the reaction of 15.00 g of cyclohexane (C6H12) with the 25.00 g of
1. 0 answers
2. 500 views
How many grams of the adipic acid (C6H10O4) could form from the reaction of 15.00 g of cyclohexane (C6H12) with the 25.00 g of
1. 0 answers
2. 542 views
How many grams of Aluminum oxide will be produced when 2.44 grams of Aluminum burns in air (i.e. react with Oxygen)?
1. 1 answer
2. 688 views
How many grams of magnesium chloride should be produced by the single displacement reaction between 0.578 grams of magnesium
1. 5 answers
2. 666 views
segment A'B is the image of segment A'B after a translation up by 6 units
1. 1 answer
2. 422 views
5-4(12-3y)=
1. 1 answer
2. 391 views
the wieights of newborn babies are distributed normally, with the mean of approximately 115 oz and a standard deviation of 20
1. 0 answers
2. 872 views
the weights of newborn babies are distributed normally, with the mean of approximately 115 oz and a standard deviation of 20 oz.
1. 1 answer
2. 1,801 views
to determine the number of trout in a lake, a conservationist catches 111 trout,tags them throws them back into the lake.later
1. 0 answers
2. 615 views
what is the probability that a 6 digit phone number contains at least one 8?
1. 3 answers
2. 1,742 views
How does the energy of a principal energy level depend on the value of n? Does a higher value of n mean a higher or lower
1. 1 answer
2. 732 views
How do I do this?Using the symbol of the previous noble gas to indicate the core electrons, write the electron configuration for
1. 1 answer
2. 847 views
What mass of CO2 could be absorbed by 1.37 g of CaO?What volume would this CO2 occupy at STP?
1. 0 answers
2. 547 views
Suppose two 100.0 L tanks are to be filled separately with the gases helium and hydrogen. What mass of each gas is needed to
1. 5 answers
2. 953 views
A sample of oxygen gas is collected by displacement of water at 25°C and 1.11 atm total pressure. If the vapor pressure of
1. 2 answers
2. 1,558 views
If 2.03 g of helium gas occupies a volume of 12.0 L at 22°C, what volume will 6.19 g of helium gas occupy under the same
1. 1 answer
2. 535 views
An item originally cost $16.95 and is on sale or 22%. Find the cost of the item. Explain each step
1. 1 answer
2. 400 views

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