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December 1, 2012
A water-trough is 10m long and has a cross-section which is the shape of an isosceles trapezoid
that is 30cm wide at the bottom,
2 answers
asked by
asdf
8,929 views
Find the unit rate. Round to the nearest tenth. 344 miles in 11 hours
i try and try i still don't get it please anybody could
18 answers
asked by
Alexa=(
5,406 views
Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer.
tan θ = − sqrt 3/3
2 answers
asked by
amaa
4,518 views
Determine the area of the segment of a circle if the length of the chord is 15 inches & located 5 inches from the center of the
3 answers
asked by
Cathy
4,192 views
Two perpendicular chords divide a circle with a radius of 13 cm into 4 parts. If the perpendicular distances of both chords are
3 answers
asked by
Cathy
4,045 views
In an electrically heated home, the temperature of the ground in contact with a concrete basement wall is 13.0 oC. The
1 answer
asked by
Redgy22
3,628 views
A flagpole casts a 32-ft shadow. A boy who is 6 feet tall is standing near the flagpole casting a 16-ft shadow. They form
2 answers
asked by
veronica
3,354 views
An organ pipe is open at both ends. It is producing sound at its third harmonic, the frequency of which is 406 Hz. The speed of
1 answer
asked by
LS
3,211 views
Match each statement below with the constitutional principle it illustrates.
P-Popular soverignty R-Republicanism F-Federalism
7 answers
asked by
Jerald
2,949 views
Find the area of a portion of a semicircle of radius 15 m that is outside the area of an inscribed square if the base of the
1 answer
asked by
Cathy
2,943 views
The standard electrode potential for the reduction of Eu3+(aq) to Eu2+(aq) is −0.43 V. determine which of the following is
3 answers
asked by
help
2,872 views
It has 5 hundreds . The tens digit is 1 lees than the hundreds digit.the ones digit is 2 more than the hundreds digit
2 answers
asked by
Brianna
2,836 views
Calculate delta H for this reaction:
N2 + 3H2 --> 2NH3 I am given the bond dissociation energy for N-N (163 kJ/mol), H-H (436
2 answers
asked by
Emily
2,697 views
A 15.0-kg block rests on a horizontal table and is attached to one end of a massless, horizontal spring. By pulling horizontally
1 answer
asked by
Elizabeth
2,663 views
Find the area of a cyclic quadrilateral whose 2 sides measure 4 & 5 units, & whose diagonal coincides with a diameter of the
1 answer
asked by
Cathy
2,652 views
Reaction: Na2CO3 + 2 HCl -> 2 NaCl + CO2 + H2o
How many grams of NaCl can be produced from the reaction of 1.35g of Na2CO3 with
1 answer
asked by
Jo
2,451 views
Is lead non-polar covalent, polar covalent, ionic, network, or metallic and why?
1 answer
asked by
KnowsNothing
2,304 views
A cubic crate of side s = 2.5m is top-heavy: its CG is 19cm above its true center.
Part A How steep an incline can the crate rest
2 answers
asked by
chris
2,095 views
A woman wishes to invest $12,000 in three of bonds: municipal bonds paying 7% interest per year, bank investment certificates
1 answer
asked by
Sky
2,050 views
Find the area of a segment of a circle whose diameter is 16 cm & the central angle measures 80 degrees.
Please include solution.
2 answers
asked by
Cathy
2,011 views
use the given zeros to find the remaining zeros of the function
h(x)=x^4-9x^3+12x^2+138x-1360 zero:3-5i enter the remaining zeros
3 answers
asked by
Heather
1,866 views
The number of patients treated at Dr. Artin’s dentist office each day was recorded for nine days. These are the data: 6, 6, 6,
3 answers
asked by
m
1,830 views
Children slide down a frictionless water slide that ends at a height of 1.80 m above the pool. If a child starts from rest at
1 answer
asked by
HELP!!!
1,814 views
A circle has an area equal to 25 pi sq.cm. Its diameter AB coincides with one of the sides of triangle ACB in which the vertex C
1 answer
asked by
Cathy
1,766 views
Which of the following was NOT a result of the great migration of blacks in the 1920s?
A) Blacks found they someetimes were able
3 answers
asked by
Maggie
1,762 views
Two soccer players start from rest, 41 m apart. They run directly toward each other, both players accelerating. The first
1 answer
asked by
Anonymous
1,714 views
Dimethylamine burns in oxygen according to the following equation:
4 C2H7N + 15 O2 → 8 CO2 + 14 H2O + 2 N2 (a) How many liters
1 answer
asked by
Sarah
1,583 views
1.for the given function f&g, find the following and state the domain of each result.
f(x)=2x+1/9x-5; g(x) 4x/9x-5 a.(f+g)(x)=?
2 answers
asked by
cnfused-steve please
1,548 views
You are given 2.677 g of a mixture of KClO3 and KCl. When heated, the KClO3 decomposes to KCl
and O2, 2 KClO3 (s) → 2 KCl (s) +
3 answers
asked by
Sam
1,528 views
A boat travels 1 km upstream and 1 km back. The time for the round trip is 4 hours. The speed of the stream is 5 km/hr. What is
2 answers
asked by
Rilee
1,479 views
a tennis ball is thrown vertically upward from the ground and the student gazing out of the window sees it moving upward pass
1 answer
asked by
john daniel
1,411 views
28.31 mL of O2(g) at 1.00 atm pressure dissolve in 1.00 L of water at 25.0 °C. If the pressure of O2(g) is raised to 3.86 atm
5 answers
asked by
Anonymous
1,411 views
Suppose that a fully charged lead¨Cacid battery contains 1.16 L of 5.00 M H2SO4. What will be the concentration of HSO4- in the
0 answers
asked by
sabrina:help please
1,399 views
Calculating Cost of Equity. The Lo Tech Co. just issued a divident of $2.20 per share on its common stock. The company is
1 answer
asked by
Jina
1,333 views
1) Write a translation rule that maps point D(7, –3) onto point D'(2, 5).
Note: PLEASE ANSWER, NEAT & CORRECT PLEASE AND THANK
0 answers
asked by
!!!Please Answer!! NOW
1,309 views
There were 20% more boys than girls in a swimming club. After 50 girls left, there were twice as many boys as girls in the club.
1 answer
asked by
jane
1,309 views
1. answer the following for the given quadratic function
f(x)=x^2+10x-11 a.what is the vertex (h,k) of f? b. what is the axis of
0 answers
asked by
cnfused-steve please
1,307 views
an automobile moving at constant velocity of 15m/sec passes a gasoline station. two seconds later another automobile leaves the
1 answer
asked by
john daniel
1,305 views
Find the z-score for the standard normal distribution where:
P(z< -a) = 0.2451
1 answer
asked by
Huffette
1,284 views
Post a 150-200 word response to the following question:
Internet search engines, such as Google and Bing, have a great deal of
1 answer
asked by
ariel
1,279 views
a farmer wants to fence in three sides of a rectangular field with 1,000 feet of fencing. the other side of the rectangle will
1 answer
asked by
judy
1,218 views
Can someone please help me. A single card is selected from a standard 52-card deck. B= the drawn card is black; R= the drawn
0 answers
asked by
James
1,187 views
What is the energy required to accelerate a 1600 kg car from rest to 33 m/s?
1 answer
asked by
Mike
1,181 views
If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from sliding toward the inside of the
0 answers
asked by
HELP!!!
1,180 views
Heat Q flows spontaneously from a reservoir at 481 K into a reservoir at 298 K. Because of the spontaneous flow, 2760 J of
0 answers
asked by
Redgy22
1,174 views
Mills Company uses standard costing for direct materials and direct labor. Management would like to use standard costing for
1 answer
asked by
DAVID
1,170 views
Evaluate (dS/dV)T for a van der Waals gas and a perfect gas
1 answer
asked by
Lawrence
1,153 views
What does the line y = 3x - 7 look like?
horizontal vertical slanted right upwards slanted right downwards
3 answers
asked by
Chely
1,149 views
After 6.00 kg of water at 80.4 oC is mixed in a perfect thermos with 3.00 kg of ice at 0.0 oC, the mixture is allowed to reach
0 answers
asked by
angie
1,144 views
A small ball is attached to one end of a spring that has an unstrained length of 0.202 m. The spring is held by the other end,
0 answers
asked by
Elizabeth
1,143 views
How many grams of KHP (204.22 g/mol) were present in container if 49.36 mL of 0.2264M NaOH were needed to reach the end point of
3 answers
asked by
T
1,138 views
An experiment that led to the formation of the new field of organic chemistry involved the synthesis of urea, CN2H4O, by the
1 answer
asked by
Jack
1,134 views
The observed wave speed is 20.3 m/s when the suspended mass is m = 3.07 kg. What is the mass per unit length of the string?
I
0 answers
asked by
Emily
1,113 views
A carbon dioxide laser is an infrared laser. A CO laser with a cavity length of 48.6cm oscillates in the m=100,000.0 mode. What
2 answers
asked by
sarah
1,109 views
Use the substitution x=3tan() to evaluate the indefinite integral 93dx/(x^2sprt(x^2+9))
4 answers
asked by
Anonymous
1,100 views
Use the Nernst equation and data from Appendix D to calculate Ecell for each of the following cells.
Enter your answer with 3
1 answer
asked by
sabrina
1,084 views
Reaction:
CaCO3 + 2 HCl -> CaCl2 + CO2 + H2O Calculate the molarity of hydrochloric acid solution if an initial mass of 4.568g of
2 answers
asked by
Jody
1,056 views
Consider the titration of 100.0 mL of 0.100 M NaOH with 1.00 M HBr. Find the pH at the following volumes of acid added and make
1 answer
asked by
canas
1,052 views
Working on "Inferences from Dependent Samples" trying to find the standard deviation of the difference data.
Differences: 24, 53,
0 answers
asked by
HELP
1,051 views
how do you find the pH of a titration solution at its halfway point to the equivalence, and how would it affect solutions
1 answer
asked by
Chris
1,049 views
x+2y=12
find intercept a circle equation x^2+y^2+4x-4y-1=0 and graph 2)find domain and range f(x)=x^2-4x-5 find vertex of f(x)
1 answer
asked by
zach w
1,045 views
Urbium (Ur) is an upscale element found in big cities. Its oxide (UrO2) is not very stable and decomposes readily at
1 answer
asked by
lisa
1,045 views
If you place 10.0 L of propanol (C3H8O) in a sealed room that is 7.5 m long, 3 m wide, and 3 m high,
will all the propanol
1 answer
asked by
Sarah
1,040 views
pls help me.
A buffer was prepared by dissolving 0.100 mol of the weak acid HA (Ka = 1.00 × 10−5) plus 0.050 mol of its
1 answer
asked by
canas
1,037 views
I am workng on my introduction part of my speech and here is my transition sentence:
With my voice, I can make a difference in 5
1 answer
asked by
Emma
1,029 views
Lead(II) oxide from an ore can be reduced to elemental lead by heating in a furnace with carbon.
PbO(s) + C(s)= Pb(l) + CO(g)
2 answers
asked by
Jack
1,028 views
The graph shows the cost C in dollars to rent a car for one day as a function of the number m of miles driven.
Which of the
1 answer
asked by
Jonathan
1,019 views
The hot reservoir for a Carnot engine has a temperature of 926 K, while the cold reservoir has a temperature of 441 K. The heat
1 answer
asked by
angie
1,013 views
A gardener is putting a fence along the edge of his garden. If he has 20 m of fence , what is the largest area he can enclose?
3 answers
asked by
Praphul
1,000 views
im trying to complete this input output table
input 0 output blank input 3/2 output 17/6 input 11/4 output blank input 3 output
1 answer
asked by
chelly
997 views
How many atoms of tin are necessary to
react completely with 7.42 x 10(24th)g of HF. Sn(s) + 2HF(g) = SnF2(S) + H2 (g)
1 answer
asked by
curt
979 views
An object ob 2 kg mass is initially at rest on the ground. then, the object is pulled up by a 20N force in 4s before it is
1 answer
asked by
Dwi
970 views
Half-life
N2O5 dissolved in CCl4 decomposes to give N2O4 and O2. The reaction is first order with a half-life of 1234 seconds.
3 answers
asked by
Paul
968 views
A cylinder is fitted with a piston, beneath which is a spring, as in the drawing. The cylinder is open to the air at the top.
0 answers
asked by
gretch
946 views
how can a salt be related to a particular acid and a particular base
1 answer
asked by
Dimitri
931 views
Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over
1 answer
asked by
Alexa
929 views
The cash price of a speed boat is RM60,000. Under an installment plan, a buyer may pay a 30% down payment followed by monthly
1 answer
asked by
Jassie
922 views
1. What is the longest wavelength for standing sound waves in a 133.9cm long tube that is open at both ends?
b).What is the
0 answers
asked by
joane
920 views
A business wants to give each of its employees a free ticket to the amusement park and has budgeted $1200 for tickets.
1. Write
2 answers
asked by
tyneisha
918 views
1. He wants to be a famous cartoonist because he likes drawing cartoons.
2. He wants to be a famous professor because he likes
1 answer
asked by
rfvv
915 views
calculate the rms speed of nf3 molecules at 23 C?
1 answer
asked by
Sam
910 views
If the sign contains neon at a pressure of 1.72 torr at 32 C, how many grams of neon are in the sign? (The volume of a cylinder
2 answers
asked by
Sam
894 views
A concentration cell is constructed of two hydrogen electrodes. The pressure of H2 is 1.00 atm in each hydrogen electrode. One
0 answers
asked by
sabrina:help please
893 views
What do you have to do before you go to bed?
1. I have to vacuum the floor of my bedroom 2. I have to make the bed. 3. I have to
1 answer
asked by
rfvv
885 views
revise the following sentences to eliminate faulty sentence structure, making them clear and grammatically need help with the
5 answers
asked by
miguel
885 views
A 5kg stone is lifted by a rope. its acceleration is 3m/s^2. the tention of the rope is ...
0 answers
asked by
Dwi
880 views
A box of 5 kg mass slides horizontally on the floor for along a distance 9m in 3s due to a constant force. The magnitude of the
1 answer
asked by
Dwi
871 views
how can a salt be related to a particular acid and a particular base
0 answers
asked by
Dimitri
864 views
Explain how the error term in a repeated measures ANOVA is actually an interaction
0 answers
asked by
nina
860 views
A loudspeaker diaphragm is producing a sound for 2.0 s by moving back and forth in a simple harmonic motion. The angular
0 answers
asked by
Elizabeth
846 views
find the equation of the line that is parallel to the line y=15x and contains the point (1,-4)
y= find the distance d (p_1, and
2 answers
asked by
confused--two questions please help
839 views
abcd is a rectangle. If measure angle bac=30 find the measure of angle dbc
5 answers
asked by
sangini
836 views
1. At school, I enjoy chatting with my close friends.
2. At school, I enjoy cleaning with other classmates. 3. At school, I enjoy
1 answer
asked by
rfvv
833 views
(4,?) is on the line below. Find the other half of the coordinate.
y=-3/4x+3
2 answers
asked by
Chely
808 views
Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 35.9cm apart. The
0 answers
asked by
joane
806 views
An underwater micriphone is used to record sounds emitted by porpoises. The minimum intensity level the instrument can record is
0 answers
asked by
rory
795 views
Goods and services that are not sold in markets, such as food produced and consumed at home and some household articles, are
1 answer
asked by
Kensi
784 views
Calculate DS if the temperature of 3 moles of an ideal gas with Cv,m = 1.5R is
increased from 200 K to 500 K under conditions of
0 answers
asked by
Lawrence
782 views
Volunteers working to raise funds for a new community library sold 1000 raffle tickets at $10 each. Tickets are to be randomly
3 answers
asked by
James
782 views
Volunteers working to raise funds for a new community library sold 1000 raffle tickets at $10 each. Tickets are to be randomly
3 answers
asked by
James
778 views
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