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Questions Asked on March 5, 2013

Two curves on a highway have the same radii. However, one is unbanked and the other is banked at an angle θ. A car can safely
1. 1 answer
2. asked by Dee
3. 6,062 views
The drawing shows a ray of light traveling through three materials whose surfaces are parallel to each other. The refracted rays
1. 1 answer
2. asked by Anonymous
3. 5,826 views
what is the net ionic equation for the reaction between a strong acid and a strong base?what does it mean by this question?/ (:
1. 2 answers
2. asked by yvette
3. 4,857 views
A buffer consists of 0.16 M KHCO3 and 0.39 M K2CO3. Carbonic acid is a diprotic acid with Ka1 = 4.5 10-7 and Ka2 = 4.7 10-11.(a)
1. 5 answers
2. asked by Edward
3. 4,621 views
what mass of water must be added to 425 g of formaldehyde to prepare a 40.0% (by mass) solution of formaldehyde? this solution,
1. 2 answers
2. asked by danielle p.
3. 3,892 views
JOSHUA HAS 3 yards off ribbon. He need 1/4 to make one bow. How many bows can joshua makes?
1. 7 answers
2. asked by Wilfredo
3. 3,666 views
Determine if it is polar or non-polar molecule:C3H6O C2H5OH SiCl4 NH3 CO2 C3H8 H2O N2 My ans are: Polar Polar Polar Nonpolar
1. 1 answer
2. asked by nidscorection
3. 3,132 views
A 0.500 kg particle moves in a circle of R=0.0150 m at constant speed. The time for 20 complete revolutions is 31.7 s. What is
1. 4 answers
2. asked by Nancy
3. 3,038 views
7/8 + 1/10 find the sum or difference. write the snswer in simplest form
1. 5 answers
2. asked by beth
3. 2,775 views
If methane at a pressure of 3.2 atm and at 21 °C is introduced into a container, the gas be heated to ______°C to increase the
1. 5 answers
2. asked by kelvin
3. 2,727 views
From the top of a tall building, a gun is fired. The bullet leaves the gun at a speed of 340 m/s, parallel to the ground. As the
1. 2 answers
2. asked by Anonymous
3. 2,643 views
a 135-g sample of sea water is evaporated to dryness, leaving 4.73 g of solid residue (the salts formerly dissolved in the
1. 2 answers
2. asked by Eleanor
3. 2,494 views
The base of the skateboard ramp has an area of 2.3 m square meters the height of the ramp is 1.2 m find the volume of the
1. 5 answers
2. asked by Kevin
3. 2,445 views
A basketball is thrown from the ground into the air at an angle of 30 degrees to the horizontal. If this object reaches a
1. 2 answers
2. asked by Ted
3. 2,339 views
Can someone check my work please? 1. In general, what happened to the price of sugar and rum between April and September 1777?
1. 1 answer
2. asked by Alexus
3. 2,299 views
Regrind, Inc. regrinds used typewriter platens. The cost per platen is $1.70. The fixed cost to run the grinding machine is $267
1. 2 answers
2. asked by jon
3. 2,284 views
An industrial chemist studying bleaching and sterilizing prepares several hypochlorite buffers. Find the pH of the following
1. 4 answers
2. asked by Edward
3. 2,279 views
1.which of the following sentences is accurate in terms of the words it uses?a. there is alarge amount of people at the
1. 6 answers
2. asked by shirley
3. 2,246 views
Which of the following types of information is suited for display on a scatter plot?A.relationship between favorite color and
1. 17 answers
2. asked by Cassie
3. 2,208 views
A boat is pulled through a canal by horses walking parallel to the canal and exerting a force of 1000 N on a tow rope 40 meters
1. 1 answer
2. asked by Dylan
3. 2,120 views
Comparing Fractions Writing to explain James says that 5/5 is greater than 99/100. Is he correct? Explain.
1. 11 answers
2. asked by April
3. 2,074 views
Simplify the rational expressions.State any excluded values:(1).3x-6/x-2(2).x-2/x^2+3x-10
1. 3 answers
2. asked by Karen
3. 2,054 views
Grade 7 students were surveyed to determine how many hours per day they spent on various activities. Eating is 8%, homework is
1. 2 answers
2. asked by OMGSPOOKYANONYMOUS
3. 2,032 views
You want to make a graph to show how you spend your time each day. What is an advantage of choosing a circle graph for this
1. 4 answers
2. asked by Cassie
3. 2,032 views
Just after a motorcycle rides off the end of a ramp and launches into the air, its engine is turning counterclockwise at 7530
1. 1 answer
2. asked by Anonymous
3. 2,002 views
John drives to work each morning and the trip takes an average of µ = 38 minutes. Thedistribution of driving times is
1. 2 answers
2. asked by Anonymous
3. 1,919 views
Objective Function: C = 6x – 4y
1. 1 answer
2. asked by Josh
3. 1,908 views
High-speed stroboscopic photographs showthat the head of a 197 g golf club is traveling at 36.8 m/s just before it strikes a
1. 1 answer
2. asked by colby
3. 1,763 views
Write the given sentence as an equation. Tim's age in 7 years will be three times what it was 19 years ago.
1. 3 answers
2. asked by Amy
3. 1,745 views
Write the following as an inequality -8 is less than x and 2 is greater than x. Use x only once in inequality
1. 2 answers
2. asked by latasha
3. 1,705 views
Let P = (5,1), and let Q be the reflection of P over the line y = 1/2x + 2. Find the coordinates of Q.I don't understand how to
1. 6 answers
2. asked by Knights
3. 1,681 views
You roll a blue number cube and a green number cube. Find P a number greater than 2 on the blue cube and an odd number on the
1. 1 answer
2. asked by Drea
3. 1,666 views
What is the authors tone in the poem arithmetic?
1. 5 answers
2. asked by miranda
3. 1,627 views
Jane bought a meter of ribbon and cut off about one fifth of it to make a bow. About how many millimeters of ribbon did Jane use
1. 2 answers
2. asked by Anonymous
3. 1,617 views
Translate this sentence into an equation. 58 is the sum of 8 and gails score. Use the variable g to represent gail score.
1. 5 answers
2. asked by latasha
3. 1,555 views
Mrs. Boyd has a desk full of quarters and nickels. If she has a total of 31 coins with a total face value of $4.55, how many of
1. 1 answer
2. asked by Jon
3. 1,550 views
solve the compound inequality write the solution in interval notation 2u+4>-6 and 3u-6> -3
1. 1 answer
2. asked by Anonymous
3. 1,522 views
A force of 20 N acts toward the west. Another force acts at the same point so that the resultant of the two forces is zero. What
1. 2 answers
2. asked by Shelby
3. 1,496 views
After 273 m3 of ethylene oxide is formed at 748 kPa and 525 K, the gas is cooled at constant volume to 293 K.The new pressure is
1. 2 answers
2. asked by kelvin
3. 1,481 views
4 people share 3 oranges equally.How many does each person get?
1. 5 answers
2. asked by Anonymous
3. 1,475 views
explorers in the jungle find an ancient monument in the shape of a large isosceles triangle. the monument is made from tens of
1. 0 answers
2. asked by helpppp meeeeeeee PHYSICS.........................
3. 1,382 views
A ball is thrown upward with an initial velocity of 14 meters per second from a cliff that is high. The height of the ball is
1. 1 answer
2. asked by Sherrydoug2
3. 1,376 views
Nachman Industries just paid a dividend of D0 = $1.75. Analysts expect the company's dividend to grow by 30% this year, by 10%
1. 2 answers
2. asked by Lala
3. 1,356 views
Assume that there are 18 boardmembers: 12 females, and 6 males including Larry. There are 3 tasks to be assigned. Note that
1. 1 answer
2. asked by Cayla
3. 1,345 views
In a recent school board election, the two candidates for president received 2590 votes. The loser received 1302 fewer votes
1. 2 answers
2. asked by Jon
3. 1,307 views
A sled rope is held at an angle of 45 degrees with the horizontal ground. A force of 60 N acting parallel to the ground is
1. 1 answer
2. asked by Adam
3. 1,278 views
A car is travelling along a highway with a speed of 25 m/s when the driver sees an obstruction 1.80*10^2 m directly ahead. It
1. 0 answers
2. asked by Mike
3. 1,252 views
An 67.6 kg object moving to the right at38.7 cm/s overtakes and collides elastically with a second 48.9 kg object moving in the
1. 1 answer
2. asked by help
3. 1,246 views
Suppose that a car normally sells for $16,500 and is now on sale for $14,000. What is the percent of discount? If necessary,
1. 1 answer
2. asked by roger
3. 1,239 views
Hi! I did the work but I'd like to know if my answers are right; we were supposed to answer these questions with complete
1. 0 answers
2. asked by Vicky
3. 1,237 views
Two conducting thin hollow cylinders are co-aligned. The inner cylinder has a radius R1 , the outer has a radius R2 . Calculate
1. 1 answer
2. asked by P
3. 1,232 views
two mechanics worked on a car the first mechanic worked for 5 hours and the second mechanic worked for 15 hours together they
1. 1 answer
2. asked by mace
3. 1,225 views
which test to use One-sample or independent samples t-test?A researcher tests five individuals who have seen paid political ads
1. 3 answers
2. asked by kelly
3. 1,203 views
What is the significance of the distance between two metals in the activity series?
1. 3 answers
2. asked by Katherine
3. 1,200 views
represent the relationship between the number of triangles and the perimeter of the figures they form. fill in table below.
1. 0 answers
2. asked by Brieson
3. 1,152 views
What are the minimum,first quartile,median,thirdQuartile,and maximum of the data set?5 55,62,61,54,68,72,59,61,70.
1. 2 answers
2. asked by Karen
3. 1,145 views
A ladder (L = 7.80 m) of weight WL = 360 N leans against a smooth vertical wall. The term "smooth" means that the wall can exert
1. 1 answer
2. asked by Dee
3. 1,121 views
What was the outcome of the Alliance for Progress?A.Americans opposed Kennedy’s policies. B.Relations between the United
1. 5 answers
2. asked by Cassie
3. 1,082 views
Find the derivative of the function f by using the rules of differentiation.f(x)=(9x^3+3x^2+10x-6)/(x)
1. 1 answer
2. asked by Kimberly
3. 1,079 views
Two of the top-grossing concert tours were by a jazz band and a rock band. Together the two tours visited 178 cities. The jazz
1. 1 answer
2. asked by Jon
3. 1,060 views
What type of graph does not show the number of times a response was given?A.box-and-whisker plot B.line plot C.stem-and-leaf
1. 4 answers
2. asked by Cassie
3. 1,056 views
ticket for a concert cost $5.00 for adults, $3.00 for children and $2.00 for senior citizens. Revenue was $500.00 for 180
1. 1 answer
2. asked by Anonymous
3. 1,055 views
Bowl #1 contains 4 grape candies, 5 lemon candies, 6 cherry candies and 5 raspberry candies.Bowl #2 contains 8 grape candies, 5
1. 2 answers
2. asked by Anonymous
3. 1,051 views
Find the derivative of the function f by using the rules of differentiation.f(x)= 4x^4/3-2/3x^3/2+7x^2-3x+1
1. 1 answer
2. asked by Kimberly
3. 1,048 views
a race track is a mile around circle which equals 5,280 circumference. To find the diameter (the the width of the center of the
1. 1 answer
2. asked by Sandy
3. 1,046 views
What happens if water is lost from the leaves faster that it is taken up the roots?
1. 1 answer
2. asked by Shane
3. 1,035 views
Construct a truth table for the statement (p<--->q)--->p
1. 1 answer
2. asked by Lisa
3. 1,031 views
At 2:00 PM a car's speedometer reads 30 mi/h. At 2:10 PM it reads 50 mi/h. Show that at some time between 2:00 and 2:10 the
1. 1 answer
2. asked by bryan
3. 1,024 views
Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 236 miles in the same time that Dana travels 224 miles.
1. 2 answers
2. asked by Chuck
3. 1,015 views
As cars passed a checkpoint ,the following speeds were clocked and recorded.Speed (mph):55,62,61,54,68,72,59,61,70) Find the
1. 3 answers
2. asked by Karen
3. 1,000 views
Point charges Q1 ,Q2 , and Q3 reside on three corners of a square with sides of 1m ; the distance from Q2 to P3 is 2m (see
1. 1 answer
2. asked by P
3. 980 views
Comparing Fractions Writing to explain James says that 5/5 is greater than 99/100. Is he correct? Explain.
1. 1 answer
2. asked by April
3. 969 views
A 1200.0-kg car speeds up from 16.0 m/s to 20.0 m/s. How much work was done on the car to increase its speed?
1. 2 answers
2. asked by Sara
3. 967 views
if lamar has scored 99,71,58 and 73 on his previous four tests, what score does he need on his next test so that his average is
1. 1 answer
2. asked by Kelli
3. 956 views
A resistor of 15 ohms and an inductor of 4H and capacitor of 25 micro F are connected in series across 230V AC supply calculate.
1. 1 answer
2. asked by barotseland network
3. 956 views
A sample of rain in an area with severe air pollution has a pH OF 3.5. What is the pOH of this rainwater?
1. 3 answers
2. asked by Lauren J.
3. 953 views
* Pressure *1) what other ways can the pressure of a gas be changed? * Internal Energy * 2) A cup of hot tea is poured from a
1. 0 answers
2. asked by Isis
3. 936 views
An object with mass 8.2 kg is attached to a spring with spring stiffness constant 370 N/m and is executing simple harmonic
1. 1 answer
2. asked by Anonymous
3. 936 views
Read the following excerpt from “and sometimes i hear this song in my head.”"and our tongues keep remembering the rhythm of
1. 2 answers
2. asked by Ella
3. 902 views
A heat exchanger is used to warm apple cider using steam as the heat source. The cider is heated from an initial temperature of
1. 0 answers
2. asked by Bev
3. 901 views
Linda Arriaga teaches at The Young Wonders Preschool. Which one of the following elements is likely to play the most prominent
1. 1 answer
2. asked by ray
3. 887 views
What is a 2nd grade pronoun definition
1. 3 answers
2. asked by Daviana
3. 886 views
Tiger Woods can hit a golf ball quite hard. A golf ball just after being hit by Mr. Woods has a kinetic energy of 100 J and a
1. 2 answers
2. asked by nice
3. 878 views
A ball is thrown upward with an initial velocity of 14 meters per second from a cliff that is high. The height of the ball is
1. 1 answer
2. asked by Sherry
3. 868 views
A 15 ohm resistor is made from a copper wire of mass 14.2 grams. What is the wire's diameter and length?
1. 1 answer
2. asked by lindsey
3. 867 views
The two largest oil spills together released 286 million gallons of oil into the oceans. The smaller of the two released 58
1. 1 answer
2. asked by Jon
3. 866 views
*Give all probabilities to four decimal places.Bowl #1 contains 4 grape candies, 5 lemon candies, 6 cherry candies and 5
1. 0 answers
2. asked by Anonymous
3. 838 views
How much heat (kcal)is needed to melt 14 ice cubes? Each cube is at 0c and has a mass of 28grams.
1. 1 answer
2. asked by Brittany
3. 835 views
Not sure which answers to use.. please help:choose from these words: deficit, dissent,lucrative and agnostic.. 1& 2: My uncle
1. 2 answers
2. asked by sam
3. 833 views
Tom deposits $1000.00 in a savings account that earns 5% simple interest. How long will it take for the total of his account to
1. 4 answers
2. asked by jo y morgan
3. 832 views
a factory can produce 45 containers of yogurt in t minutes, 950 grams of fruit are used for every 25 containers of yogurtb) find
1. 1 answer
2. asked by tom
3. 816 views
Those trees have (fewer, less) fruit on them.
1. 1 answer
2. asked by John
3. 816 views
A 1.65-kg aluminum block and a 6.85-kg copper block are connected by a light string over a frictionless pulley. The two blocks
1. 0 answers
2. asked by crystal
3. 810 views
H3PO4 Ka1= 7.5x10^-3 Ka2= 6.2x10^-8 Ka3=4.2x10-^13Explain how you will make a buffer with a pH of 11.80 using solid Na2HPO4 and
1. 2 answers
2. asked by Celina Sandoval
3. 802 views
You drop a rock off a bridge. The rock's height, h(in feet above the water), after t seconds is modeled by h=-16t2+541. What is
1. 2 answers
2. asked by Amy
3. 791 views
What is \left \lfloor ( 3 + \sqrt{5} ) ^3 \right \rfloor?
1. 1 answer
2. asked by John
3. 789 views
the resistance of copper wire of length 1m is 0.1 ohm the diameter of the wire is 0.045cm find its specific resistance
1. 1 answer
2. asked by amit kumar
3. 779 views
ln24 - ln6
1. 1 answer
2. asked by Amanda
3. 769 views
Soybean meal is 16% protein; cornmeal is 8% protein. How many pounds of each should be mixed together in order to get 320-lb
1. 1 answer
2. asked by Jon
3. 766 views
A boy coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 6.2 m/s. If the coefficient of
1. 0 answers
2. asked by crystal
3. 762 views

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