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February

Questions Asked on February 25, 2013

What is the side length of a square with an area of 144x²?A.12 B.12x C.±12x D.no solution I think it is C...?
1. 17 answers
2. asked by Cassie
3. 8,511 views
What is the value of b in the triangle shown below?The triangle they are showing is a right triangle...the length is 3b and the
1. 19 answers
2. asked by Cassie
3. 8,504 views
The number, N, of people who have heard a rumor spread by mass media by time, t, is given by N(t)=a(1−e−kt). There are 6
1. 1 answer
2. asked by Brian
3. 7,860 views
the normal acceleration of a particle on the rim of a pulley 10 ft in diameter is constant @ 8000 ft/s^2. determine the speed of
1. 1 answer
2. asked by fatz
3. 5,243 views
I divide exactly by 100 my first two digits are equal the sum of my four digits is 8
1. 6 answers
2. asked by Colin
3. 3,695 views
Find the area for a triangle: base 14 cm, height 5.5 cm.19.5 cm² 77 cm² 38.5 cm² 770 cm²
1. 3 answers
2. asked by Sammy
3. 3,389 views
A long, straight wire carrying a current of 317 A is placed in a uniform magnetic field that has a magnitude of 7.69 × 10-3 T.
1. 3 answers
2. asked by Anonymous
3. 3,281 views
If P(t) is the amount of dollars in a savings bank account that pays a yearly interest rate of r% compounded continuously ,then
1. 2 answers
2. asked by deq
3. 3,257 views
Problem 6A histogram shows the number of hours students spent preparing for a test. The table below gives the intervals and the
1. 2 answers
2. asked by A
3. 2,910 views
calculate the percentage of water in each of the following hydratesSrCl2*6H2O
1. 4 answers
2. asked by payton
3. 2,758 views
In an experiment, 0.771g Cr(s)reacts completely with 0.712g O2 to form a single solid compound.Write a balanced equation
1. 3 answers
2. asked by Lisa
3. 2,677 views
1) A 0.50 kg object is at rest. A 3.00 N force to the right acts on the object during a time interval of 1.50 sa) What is the
1. 1 answer
2. asked by Isis
3. 2,639 views
Which of the following is an accurate description of Simpson's paradox?When groups of data are aggregated, an association can
1. 2 answers
2. asked by Anonymous
3. 2,540 views
A crate of mass 50kg is pulled up a rough inclined plane ,inclined at an angle of 60 degree to the horizontal.determine the
1. 1 answer
2. asked by Julius
3. 2,445 views
You have a wire of length L = 2.1 m for making a square coil of a dc motor. The current in the coil is I = 1.8 A, and the
1. 3 answers
2. asked by Anonymous
3. 2,296 views
Ellen is 11 years older than Maja. Last year Ellen was twice as old as Maja. How old is Maja now?
1. 1 answer
2. asked by Joe
3. 2,166 views
In a certain region, the mean annual salary for plumbers is $51,000. Let x be a random variable that represents a plumber's
1. 4 answers
2. asked by katie
3. 2,069 views
1) A 1 kg mass moving at 1 m/s has a totally inelastic collision with a 0.7 kg mass. What is the speed of the resulting combined
1. 1 answer
2. asked by Isis
3. 2,007 views
ther is 5/8 of left over , jay eats 2/15 of left over . how much of whole pie did jay eat
1. 3 answers
2. asked by jeanette
3. 1,995 views
which element is the most reactive in group 3?group 4?
1. 4 answers
2. asked by kazz
3. 1,981 views
Consider the supply equation where x is the quantity supplied in units of a thousand and p is the unit price in dollars.p=x^3+x+
1. 1 answer
2. asked by Ashton
3. 1,966 views
The first question is this:Helen designs a rectangle with an area of 225 square units. Her rectangle is the largest rectangle
1. 12 answers
2. asked by Gabby
3. 1,866 views
Solve the proportion. Where necessary, round to the nearest hundredth.8 over 2 = x+3 over 4
1. 2 answers
2. asked by Tristan
3. 1,759 views
The average height for Chinese women is 62.5 inches with a standard deviation of 4.6 inches. What is the probability that a
1. 1 answer
2. asked by Sharon
3. 1,758 views
This exercise is based on the following table, which lists interest rates on long-term investments (based on 10-year government
1. 3 answers
2. asked by merli
3. 1,728 views
What are the equilibrium concentrations of H2SO3, H+, HSO3−, and SO32−in a 0.050 M solution of sulfurous acid H2SO3 at 25
1. 1 answer
2. asked by ston
3. 1,692 views
A flat thin non-conducting ring has an inner radius R1 and an outer radius R2 . The disk is uniformly charged with charge per
1. 3 answers
2. asked by P
3. 1,622 views
A football field is 120 yards long and 53 yards wide. How much fencing is needed to enclose the field?
1. 2 answers
2. asked by kelly
3. 1,618 views
A small compass is held horizontally, the center of its needle a distance of 0.460 m directly north of a long wire that is
1. 1 answer
2. asked by Anonymous
3. 1,615 views
Hannah said, "I like blue the best. It is my favorite color. I am the only one who likes blue this much. That's why everything
1. 3 answers
2. asked by resi
3. 1,519 views
If 507 g FeCl2 were used up in the reaction FeCl2 + 2NaOH Fe(OH)2(s) + 2NaCl, how many grams of NaCl would be made?
1. 1 answer
2. asked by gabby
3. 1,513 views
Explain how you would prepare 100.0 mL of 0.500 M NaCl solution. Include the appropriate glassware and calculations.
1. 1 answer
2. asked by Dee
3. 1,507 views
Please show work.2Al(s) + 2NaOH(aq) + 6H2O(l) ---> 2NaAl(OH)4(aq) + 3H2(g) What mass of hydrogen gas would be formed from a
1. 1 answer
2. asked by Anonymous
3. 1,505 views
How many milliliters of 0.635M K2CrO4 are needed to precipitate all the silver in 410mL of 0.158M AgNO3 as AgCrO4 ?
1. 1 answer
2. asked by Lisa
3. 1,459 views
Mattie Evans drove 300 miles in the same amount of time that it took a turbo propeller plane to travel 1300 miles. The speed of
1. 1 answer
2. asked by Roxy
3. 1,409 views
Problem #2 from page 173Given the following business scenario, create a Crow’s Foot ERD using a specialization hierarchy if
1. 1 answer
2. asked by Justin
3. 1,393 views
What is the side length of a square with an area of 144x²?A.12 B.12x C.±12x D.no solution I think it is C...? If I am right
1. 5 answers
2. asked by Cassie
3. 1,390 views
A 4m long copper wire has a diameter of 2mm and carries a current of 10A.Determine the ff: a. current density in the wire b.
1. 0 answers
2. asked by Zell
3. 1,362 views
A block of mass m is dropped onto a relaxed spring constant k. The block becomes attached to the spring and compresses the
1. 0 answers
2. asked by Rachel
3. 1,327 views
A 1.065-g sample of an unknown substance is dissolved in 30.00 g of benzene; the freezing point of the solution is 4.25 degrees
1. 1 answer
2. asked by JJ
3. 1,324 views
1.)A 0.5 kg hockey puck moving at 35 m/s hits a straw bale, stopping in 1 s.a) What impulse is delivered to the ball? b) What
1. 0 answers
2. asked by Isis
3. 1,279 views
Jenny is paid a monthly salary of $1600. She saves 1/5 of her salary each month A) Calculate her saving each month.B) How much
1. 1 answer
2. asked by Anonymous
3. 1,274 views
Order these numbers from smallest to largest.8.00 8.30 0.800 0.83 I think the order is 0.800 0.83 8.00 and then 8.30
1. 3 answers
2. asked by Anonymous
3. 1,266 views
A sled rider with a combined mass of 50.0kg are at the top of a hill of a 14m above the level of ground below. The sled is given
1. 1 answer
2. asked by Mary
3. 1,245 views
I dontunderstand this question can you please help me. "Explain why 3 separate lines can all be parallel to each other,but 3
1. 4 answers
2. asked by nicole 4th grade
3. 1,218 views
amy miller's insurance policy has a $218.00 premium for 25/100 bodily injury limits and $25,000.00 property damage limits. the
1. 1 answer
2. asked by dylan
3. 1,172 views
A non-conducting ring of radius with a uniform charge density and a total charge is lying in the - plane, as shown in the figure
1. 1 answer
2. asked by P
3. 1,166 views
The coil of wire in a galvanometer has a resistance of RC = 78.0 Ù. The galvanometer exhibits a full-scale deflection when the
1. 2 answers
2. asked by Don
3. 1,140 views
A RECTANGLE HAS A WIDTH OF X CENTIMETERS AND A PERIMETER OF 8X CENTIMETERS. A SQUARE HAS SIDES OF LENGTH 1/4 THAT OF THE
1. 2 answers
2. asked by edvcWFV
3. 1,125 views
What according to the basic conditions of employment act applies with regard to the contraventions that you've identified?
1. 1 answer
2. asked by Kcee
3. 1,116 views
My question is about the story a midsummer nights dream, in act one1. Why does helena wish her 'tongue should catch(hermia's)
1. 2 answers
2. asked by rose
3. 1,107 views
Find the P-value for the indicated hypothesis test with the given standardized test statistics, z. Decide whether to reject H0
1. 1 answer
2. asked by Katie
3. 1,101 views
Write 1/64 as a decimal and as a percent to the nearest whole percent
1. 1 answer
2. asked by noahc
3. 1,093 views
Why were the Vietcong so successful against the United States?A.The Vietcong held the strategically important Ho Chi Minh Trail.
1. 1 answer
2. asked by Chels
3. 1,071 views
A rock is thrown upward with a velocity of 28 meters per second from the top of a 36 meter high cliff, and it misses the cliff
1. 3 answers
2. asked by Jeannie
3. 1,060 views
There are 24 hours in each day.there are 7 days in one week how many hours are there in a week?
1. 2 answers
2. asked by Rosie
3. 1,045 views
Given the points A(0,0),B(3,1),and C(1,4), what is the measure of angle ABC?
1. 2 answers
2. asked by Anonymous
3. 1,037 views
A spherical surface completely surrounds a collection of charges. Find the electric flux (with its sign) through the surface if
1. 1 answer
2. asked by natasha
3. 1,017 views
In mice, a gene controlling coat colour has 2 alleles; B (black) and b (white). A pure breeding black mouse is crossed to a
1. 2 answers
2. asked by alex
3. 1,007 views
After dinner, Amanda, Trey and John received the check for their meal. Trey is paying 1/4 of the check and leaving no tip.
1. 0 answers
2. asked by kelly
3. 1,003 views
in the reaction NO3+CaCl2=2AgCl+Ca(NO3)2, how many grams of excess will remain when 20 grams of AgNO3 are reacted with 15 grams
1. 1 answer
2. asked by Dean
3. 1,001 views
You have .5g of copper. If the nitric acid is 16 M HNO3, how many milliliters of nitric acid will react exactly with that amount
1. 2 answers
2. asked by Morgan
3. 994 views
Carefully reread these lines, “Somewhere the saving and putting away had to begin again and someone had to do the saving and
1. 2 answers
2. asked by Nina
3. 993 views
What are the equilibrium concentrations of H2SO3, H+, HSO3−, and SO32−in a 0.050 M solution of sulfurous acid H2SO3 at 25
1. 1 answer
2. asked by ston
3. 991 views
I have the answer to the first part of the question, which is What is the volume of Ted's Submarine model. The answer is
1. 1 answer
2. asked by Lia
3. 990 views
An aqueous solution is prepared by dissolving 1.08 g of human serum albumin, a protein obtained from blood plasma, in 50.0 mL of
1. 2 answers
2. asked by JJ
3. 987 views
I have the answers but i need to know the steps.Michelle has $60. If her friend Kristin has $300, what percent of kristins money
1. 3 answers
2. asked by Mary
3. 986 views
A portable electric heater uses 23.8 A of current. The manufacturer recommends that an extension cord attached to the heater
1. 1 answer
2. asked by Anonymous
3. 978 views
After falling from rest from a height of 30 m, a 0.48-kg ball rebounds upward, reaching a height of 20 m. If the contact between
1. 2 answers
2. asked by adam
3. 977 views
If a rocket is propelled upward from ground level, its height in meters after t seconds is given by h=-9.8t^2+88.2t. During what
1. 1 answer
2. asked by Anonymous
3. 967 views
1-On May 1, 2012, Pinkley Company sells office furniture for $150,000 cash. The office furniture originally cost $375,000 when
1. 0 answers
2. asked by miley
3. 959 views
Three capacitors are connected in series. The equivalent capacitance of this combination is 3.18 µF. Two of the individual
1. 1 answer
2. asked by Anonymous
3. 950 views
2 HI(g) H2(g) + I2(g)The reaction above has an initial concentration of 2.00 M HI. (No other species are initially present.) If
1. 0 answers
2. asked by shabaka
3. 946 views
Calculate the volume in liters of the gas (O2) at STP if it was massed at 6.75 x 105 grams.
1. 0 answers
2. asked by tif
3. 946 views
There are two conducting concentric hollow spheres of outer radii and ( ). The thickness of the material of both spheres is .The
1. 0 answers
2. asked by P
3. 943 views
Solid calcium hydroxide, Ca(OH)2, is dissolved in water until the pH of the solution is 10.23.What is the concentration of
1. 2 answers
2. asked by ston
3. 941 views
you have 20% sucrose solution. you need to mke 100ml of 15% sucrose solution. which is the correct dilution?A. 85ml of 20%
1. 1 answer
2. asked by Anon
3. 938 views
Three resistors, 1.17, 2.84, and 3.65Ω, are connected in series across a 20.3-V battery. Find the power delivered to each
1. 1 answer
2. asked by Anonymous
3. 926 views
A point charge Q1=-2 microcoulomb is located at x=0, and a point charge Q2=+8 microcoulomb, is placed at x=-0.5 on the x axis of
1. 0 answers
2. asked by Phy
3. 923 views
find the total amount due on a loan of N80,000.00 at 18percent simple interest at the end of 4months. (2)question is find the
1. 0 answers
2. asked by dennis
3. 918 views
A point charge Q1=-2µC is located at x=0, and a point charge Q2=-8µC is placed at on the x -axis of a cartesian coordinate
1. 2 answers
2. asked by Anonymous
3. 902 views
Two spherical shells have a common center. A -2.00 × 10-6 C charge is spread uniformly over the inner shell, which has a radius
1. 0 answers
2. asked by sam
3. 895 views
the breaking distance of a Honda CRV can be approximated by a normal distribution, where the mean is 53 meters and the standard
1. 1 answer
2. asked by katie
3. 894 views
A uniform ladder of 5.0 m long and 12 kg is leaning against the wall (contact with the wall = point b, contact with the floor =
1. 0 answers
2. asked by Grace
3. 885 views
Date Activities Units Acquired at Cost Units Sold at RetailMar. 1 Beginning inventory 50 units @ $50/unit Mar. 5 Purchase 200
1. 0 answers
2. asked by Aleena
3. 877 views
The number, N, of people who have heard a rumor spread by mass media by time, t, is given by N(t)=a(1−e−kt). There are 6
1. 1 answer
2. asked by Jose
3. 870 views
Kim is researching the number of channels available from different cable and satellite companies what would be an appropriate
1. 1 answer
2. asked by Brianna
3. 864 views
As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of
1. 0 answers
2. asked by Valerie
3. 857 views
What mass of sucrose, C12H22O11, should be added to 75.0 g H2O to raise the boiling point to 100.35 degrees C?Molal boiling
1. 1 answer
2. asked by JJ
3. 847 views
Let U=(13i3−i). What is U†?Explicitly indicate multiplication with a * symbol. For instance, you should write 3*i+2 instead
1. 0 answers
2. asked by unknown
3. 845 views
What is the value of b in the triangle shown below?the trianle they show is a right triangle and the length shows 3b...the width
1. 2 answers
2. asked by Cassie
3. 842 views
2y^11/3+8y^8/3-10y^5/3=0
1. 0 answers
2. asked by Jeannie
3. 838 views
A gardener wants to use 62 feet of fencing to enclose a rectangular shaped garden. If its length is 4 feet longer than twice its
1. 1 answer
2. asked by kelly
3. 835 views
A skateboarder starts from rest at the top and skates down a slope as shown.After 2.5 seconds, the skateboarder has reaches a
1. 0 answers
2. asked by Kirsty Williams
3. 833 views
A computer takes 2 seconds to compute a particular definite integral accurate to 4 decimal places. Approximately how long does
1. 1 answer
2. asked by sara
3. 821 views
A kite string makes a 43 degree with the ground. The string is staked to a point 104 meters from a point on the ground directly
1. 4 answers
2. asked by Kiki
3. 819 views
You have chosen biology as your college major because you would like to be a medical doctor. However, you find that the
1. 0 answers
2. asked by elh009
3. 813 views
Hannah said, "I like blue the best. It is my favorite color. I am the only one who likes blue this much. That's why everything
1. 0 answers
2. asked by resi
3. 810 views
Two scales on a voltmeter measure voltages up to 20.0 V and 27.0 V, respectively. The resistance connected in series with the
1. 0 answers
2. asked by Anonymous
3. 809 views
Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 °C, the vapor pressure of pure
1. 1 answer
2. asked by Max
3. 809 views

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