Ask a New Question
Archives
2013
January
Questions Asked on
January 24, 2013
What is the quotient in simpliest form? State any restrictions on the variable.
x+2/x-1 divided by x+4/x^2+4x-5. My answer
12 answers
asked by
dirtrider
12,792 views
Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line.
y = 8 sin x,
3 answers
asked by
Em
10,542 views
A candle in the shape of a circular cone has a base of radius r and a height of h that is the same length as the radius. Which
13 answers
asked by
dirtrider
9,009 views
The height h, in metres, above the ground of a car as a ferris wheel rotates can be modelled by the function h(t) =
2 answers
asked by
Shreya
8,765 views
Sort each of the following events based on whether the solubility of the indicated gas will increase, decrease, or stay the
8 answers
asked by
Anon
7,357 views
How much work is needed to stop a 20g bullet moving with a speed of 150ms-1
20 answers
asked by
Ehis
6,152 views
The average atomic mass of iridium is 192.22u, if iridium-191 has an atomic mass of 190.961u and an isotopic abundance of 37.3%
5 answers
asked by
Deepa( Exam prep question)
5,767 views
The neutralization of H3PO4 with KOH is exothermic.
H3PO4(aq) + 3KOH(aq) -> 3H2O(l) +K3PO4(aq) +173.2KJ 70.0 mL of 0.207 M H3PO4
2 answers
asked by
Sally
4,947 views
When you divide a whole number by a fraction with a numerator of 1 explain how you can find the quotient?
9 answers
asked by
Ron
4,885 views
A cylinder with a movable piston contains gas at a temperature of 27 degrees celsius, a volume of 1.50 meters cubed, and an
7 answers
asked by
Clay
4,366 views
A student measures the following data regarding the heat of fusion of ice: 25.8 g ice at 0.0°C is placed into the calorimeter
1 answer
asked by
Susie
4,169 views
Chase scored 14 points on Monday, and he doubled his score each day thereafter. How many points did he score on Thursday?
A. 224
5 answers
asked by
Laura
4,140 views
How did environmental features in Anatolia help the Hittites advance technologically? The Hittites were the first to use iron
2 answers
asked by
Victoria
3,315 views
if the relative atomic mass of natural copper is 63.54,calculate the proportions of the isotope 65cu and 63cu
4 answers
asked by
etim sylvester
3,275 views
True or false?
tan x = tan(x-6pi)
3 answers
asked by
Jay
3,245 views
A spring with an unstrained length of 0.074 m and a spring constant of 2.4 N/m hangs vertically downward from the ceiling. A
1 answer
asked by
frustrated
3,198 views
a scale model of a car is 8 inches long. the actual car is 12 feet long. what is the scale of the model?
3 answers
asked by
corey
3,154 views
The mass of a single barium atom is 2.28E-22 grams. How many barium atoms would there be in 182 milligrams of barium?
1 answer
asked by
Kim
3,114 views
Two racing boats set out from the same dock and speed away at the same constant speed of 102 km/h for half an hour (0.500 h),
1 answer
asked by
Anonymous
2,783 views
The velocity v of a freefalling skydiver is well modeled by the differential equation
m*dv/dt=mg-kv^2 where m is the mass of the
1 answer
asked by
Erica
2,777 views
A bicycle traveled 150 meters west from point A to point B. Then it took the same route and came back to point A. It took a
2 answers
asked by
frank
2,774 views
Which of the following statements is not true about samples that can be treated as matched pairs data?
I. Data collected on these
2 answers
asked by
Bob
2,644 views
when silver nitrate reacts with hydrochloric acid, what type of reaction takes place?
2 answers
asked by
hazel
2,590 views
Mary is buying several items that cost $128.25 total. She is using a store coupon for 35% off her purchases. She has to pay 4%
4 answers
asked by
Anonymous
2,445 views
2. Which of the following is responsible for carrying nutrients to and waste from the body’s cells? (1 point)
plasma red blood
1 answer
asked by
tesj
2,358 views
A farmer needs to fence a rectangular piece of land.She wants the length of the field to be 55 feet longer than the width. If
1 answer
asked by
stephanie
2,329 views
What is the angle of refraction of a light ray that enters the surface of a calm lake from air at an angle of 45o to the normal?
5 answers
asked by
confused
2,328 views
Two tiny conducting spheres are identical and carry charges of -20.0 μC and +50.0 μC. They are
separated by a distance of 2.50
1 answer
asked by
frustrated
2,060 views
5.What does Hebrew law required of believers?
The Hebrews were to "worship God and live justly with one another", God required
2 answers
asked by
Victoria
1,938 views
Given that
∆Hº(Br(g)) = 111.9 kJ/mol ∆Hº(C(g)) = 716.7 kJ/mol ∆Hº(CBr4(g)) = 29.4 kJ/mol calculate the average molar
1 answer
asked by
Kristen
1,885 views
2. Which of the following is responsible for carrying nutrients to and waste from the body’s cells? (1 point)
plasma red blood
4 answers
asked by
tesj
1,880 views
A water wave is generated in a ripple tank by an oscillator that vibrates 50 times in 30 seconds. A given trough of the wave
2 answers
asked by
confused
1,809 views
Write an equation with a variable on both sides of the equal sign that has infinitely many solutions. Solve the equation and
4 answers
asked by
?
1,788 views
Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen gas
2 answers
asked by
Lucy
1,761 views
___NH3+___O2->N2+H2O (this is not balanced)
how many moles of oxygen react with 0.23 moles of NH3? HOW many moles moles of N2
1 answer
asked by
tyneisha
1,676 views
If triangle ABC is similar to triangle DEF and the scale factor is 1:2 correspondingly, what is the measure of angle D is the
1 answer
asked by
Lalala
1,628 views
is eating an apple a physical change
2 answers
asked by
Anonymous
1,562 views
1. Write the verb form for: yo/hacer.
2. Write the verb form for: ellos/hacer. 3. Write the verb form for: nosotros/hacer. I'm
15 answers
asked by
Brendon
1,545 views
You and a friend each drive 50 km to the same destination. You travel at 88.5 km/h and your friend at 94.5 km/h.
How long will
1 answer
asked by
gera
1,492 views
what is the purpose of using fraction strips and a 1 strip
3 answers
asked by
mm
1,456 views
The area of certain rectangle is 288 yd. the perimeter is 68 yd. if you double the length and width, what will be the area and
1 answer
asked by
Jake
1,444 views
Which of the following equations describes the condition for observing the fourth bright fringe in Young's double-slit
1 answer
asked by
confused
1,442 views
Light from the sun reaches Earth in 8.3 min. How far is the Earth from the sun? The
velocity of light is 3 × 108 m/s. Answer in
1 answer
asked by
gera-pleaseeeee
1,431 views
What methods did the Assyrians use when they attacked enemy cities?
The satrapies were linked by a 2,500-kilometer highway, the
1 answer
asked by
Unknown
1,411 views
A baseball is thrown with an initial velocity of 37 m/s at an angle of 26 degrees above horizontal, from the top of the building
1 answer
asked by
A
1,406 views
6. How did the Dust Bowl affect farmers?
A.) Crop prices rose and farmers grew rich off of the profits. B.) The Dust Bowl was in
6 answers
asked by
Deborah
1,391 views
The price was reduced from four thousand, four hundred ninety six dollars to one thousand, eight hundred ninety three dollars.
1 answer
asked by
marie
1,378 views
Four resistors each of resistance 4 Ù are connected to form a square loop. What is the equivalent resistance between two points
2 answers
asked by
Physics fail
1,373 views
Sue has 8 yards of twine she cuts the twine into equal pieces of 3/4 feet each how many pieces can he cut?
1 answer
asked by
Ron
1,343 views
Modelling with sine/cosine
A Ferris wheel has a diameter of 30m. The bottom of the wheel is 1.5m off the ground it takes 3.5min
1 answer
asked by
Shreya
1,335 views
what is theoffspring of a yellow seed and a green seeds genotype and phenotype?
1 answer
asked by
mary
1,315 views
If sound is increased in intensity by a factor of 100,000, what is the change in decibels?
I thought 50? other options are 5,
3 answers
asked by
Physics fail
1,312 views
From 1990 to 2000, the number of thousand visits by people to Bryce Canyon National Park increased about 23.9 thousand visits
1 answer
asked by
Mom Needs Help
1,308 views
Th thermosphere is 415km deep. What percent of the atmosphere made up by the thermosphere if the total atmosphere extends 500km.
1 answer
asked by
Mikayla
1,286 views
The purpose of IQ tests is to
A) define cognitive style. B) describe preferred learning style. C) predict scholastic performance.
1 answer
asked by
Lor
1,284 views
What is the value of the following future amount?
a)RM800 to be received 10 years from now discounted back to present at 10%.
0 answers
asked by
Lily
1,278 views
A one year subscription to the monthly magazines costs $15.60 the regular newstand price is $1.95 per issue. How much is saved
1 answer
asked by
marie
1,267 views
Electric motors coming off two assembly lines are pooled for storage in a common stockroom, and the room contains an equal
1 answer
asked by
JORHO
1,265 views
2. Which verb correctly completes the below sentence?
The collection written by several of my favorite authors _____ research in
5 answers
asked by
Jman
1,241 views
The displacement of a particle in centimeters is given by y=8 sin (2πft).
If f=20 Hz, find the displacement and the velocity of
1 answer
asked by
TOm
1,241 views
Could you please explain how to use a matrix (matrices) to solve a system of linear equations (two variables)? My book doesn't
1 answer
asked by
Caroline
1,218 views
The rectangle was 21 inches long and 6 wide. What was the ratio of its length
1 answer
asked by
marie
1,208 views
Laws of logarithms
evualuat using change of base rule log(√8)16 ^the square root 8 is supposed to be subscript. the answer i
3 answers
asked by
Shreya
1,185 views
(a) What is the continuous percent growth rate for P=130e^0.07t , with time, t , in years?
(b) Write this function in the form
1 answer
asked by
molly
1,179 views
A stationary billiard ball, mass 0.17 kg, is struck by an identical ball moving at 4.8 m/s. After the collision, the second ball
0 answers
asked by
Anonymous
1,178 views
What mass of AlCl3 can be formed from 5.000 mol NiCl2 and 2.000 mol Al?
Al(s) + NiCl2(aq) → AlCl3(aq) + Ni(s) I balanced it to
1 answer
asked by
MewBanks
1,171 views
In a lab experiment, the count of a bacteria doubles every hour.
a)at 1pm, there was 23000 bacteria. How many bacteria will be
1 answer
asked by
A Canadian
1,162 views
Young, innovative, or high-tech firms often adopt the strategy of ignoring history or attempting to do something radically new.
2 answers
asked by
Mary
1,159 views
The temperature of the air outside on a cool morning is 11„aC.What is
this temperature on the Kelvin scale?
2 answers
asked by
mio
1,152 views
Another sine/cosine question i don't get
in vancouver on certain day, high tide is 20m at 2am, the next low tide is 8m at 6am,
1 answer
asked by
Shreya
1,150 views
I need to solve latent heat. It gives me the number of ice cubes and the mass in grams (7550 grams). It wants to know how many
1 answer
asked by
Lori
1,132 views
The price was reduced from four thousand, four hundred ninety six dollars to one thousand, eight hundred ninety three dollars.
1 answer
asked by
marie
1,129 views
Brand x cost $1.56 for 12 ounces. Brand y cost 2 ¢ more per ounce. What is The cost of 15 ounce of brand y
1 answer
asked by
marie
1,102 views
The performing arts theater has 24 rows of seats.There are 48 seats in each row.How many people can this theater seat?
3 answers
asked by
Lila
1,096 views
How does current change for resistors in series? What is the equivalent resistance for resistors in series?
1 answer
asked by
Physics fail
1,082 views
A warehouse is 120 feet tall and casts a shadow 288 feet long. At the same time, julie casts a shadow 12 feet long. how tall is
2 answers
asked by
lizz
1,075 views
The curtis car traveled an average of 21 miles per gallon of gas. At that rate, how far could the car travel on a full tank of
1 answer
asked by
marie
1,070 views
An animal-rescue plane flying due east at 36.0 m/s drops a bale of hay from an altitude of h = 69.5 m, as shown below. If the
1 answer
asked by
Anonymous
1,060 views
Write the fraction in the simplest form.
12/56: 3/30: 5/25: 9/39: 6/54: 2/100: 8/18: THANKS
1 answer
asked by
jade
1,058 views
The antonyms of ignore,optimistic,humility,indolent,boring,attack,normal,innocuous,preserve,commence
1 answer
asked by
chi
1,049 views
You hang mass m=0.22 kg on a spring with constant 12 N/m. You pull the mass down a distance of 0.04 m from its equilibrium
2 answers
asked by
Julia
1,040 views
You have 60 red socks and 30 blue socks unpaired in a drawer. You can not see the socks, they are in a drawer and it is dark.
1 answer
asked by
Noah
1,024 views
f(x,y) = 3x + 3y
Show that for any epsilon in: |2x + 3y - 5| < epsilon There is a delta value: sqrt((x - 1)^2 + (y - 1)^2) <
1 answer
asked by
calculus
1,018 views
How do i find the mass of an object if it took 270 J of work to move it 15 meters?
1 answer
asked by
Anonymous
1,015 views
One of your friends who works at a local public TV station knows that you wish to break into event-floral designing. She
2 answers
asked by
Jamie
1,012 views
What is a good reference to use when estimating the mass of a small object?
1 answer
asked by
Jessica
996 views
Brittany throws a slingshot pellet directly at a target that is far enough away to take 0.190 s to reach. How far below the
0 answers
asked by
Jessica-- please help!
991 views
$800 worth of tickets were sold.adult price is $6.children is $3 and seniors $2. 90 adult purchase ticket,60 children purchase
0 answers
asked by
sandy
986 views
How do I go about solving this math problem. -172=-1-9p
1 answer
asked by
Robert
979 views
Write a variable expression for each word phrase.
1. two times the number of windows 2. 81 increased by n 3.eleven more than a
10 answers
asked by
john
964 views
Jenna is going to paint one wall of her bedroom gray. She needs a gallon of paint. A gallon costs $17.00 and one quart of paint
7 answers
asked by
Anonymous
946 views
docs(DOT)google(DOT)com/file/d/0B3_sydO5xXRZOUpwTVZIbUdvNXM/edit
I have to write a childrens book(3rd-4th grader) for a history
1 answer
asked by
Daniel
944 views
you fill up 40 gallon pool putting in 2 gallons water every minute, if someone scoops out 1 gallon every 8 minutes, how long
1 answer
asked by
Lisa
944 views
What's the tone of the poem Young by anne sexton
1 answer
asked by
Poppa
944 views
What mass of solid magnesium hydroxide is needed to neutralixe .385 Liters of 2.5 M nitric acid?
0 answers
asked by
jessica
912 views
A rocket is shot upward from the ground with an initial velocity of 15.5 m/s. How high does the rocket travel?
1 answer
asked by
Missa
912 views
Solve: 5 1/3-3 5/6
1 answer
asked by
marie
911 views
What are some examples of related data that have 10-25 points each?
0 answers
asked by
t
893 views
Solving problems that involve logarithms
the sound at a rock concert decreases by 10% for every 5m travvelled. how far does it
4 answers
asked by
Shreya
893 views
I need to solve latent heat. It gives me the number of ice cubes and the mass in grams (7550 grams). It wants to know how many
3 answers
asked by
Lori
887 views
Back to January 2013