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February
Questions Asked on
February 16, 2014
1. Name a pair of vertical angles.
angle sign2 and angle sign5 angle sign2 and angle sign6 angle sign3 and angle sign4 angle
108 answers
asked by
Anonymous
16,283 views
A solution is made by mixing exactly 500 mL of 0.167 M NaOH with exactly 500 mL of 0.100 M CH3COOH. Calculate the equilibrium
1 answer
asked by
Allison
5,557 views
Given the balanced equation representing a reaction : 2Fe+ 3Cu^2+ --> 2Fe^3+ +3Cu
When the iron atoms lose six moles of
4 answers
asked by
Anonymous
4,904 views
a metal object has a mass of 8.37g. when it was placed in a graduated cylinder containing 20.0ml of water, the water level rose
1 answer
asked by
kim
4,293 views
Which equation is equivalent to 3 ln 2 – ln 4 + 5 ln x = ln 3 + 2 ln 5?
ln 2x5 = ln 75 ln (5x + 2) = ln 75 ln 2x5 = ln 13 ln
3 answers
asked by
Kiki
4,286 views
Carbon monoxide and chlorine gas react to form phosgene:
CO(g)+Cl2(g)⇌COCl2(g) Kp = 3.10 at 700 K If a reaction mixture
1 answer
asked by
Morgan
2,647 views
A cart on a horizontal, linear track has a fan attached to it. The cart is positioned at one end of the track, and the fan is
2 answers
asked by
Deej
2,639 views
A piston is holding 125 mL of gases at a temperature of 300 K and a pressure of 2.39 atm. What is the volume of the gases if the
3 answers
asked by
JJ
2,424 views
Let f be the function that contains the point (-1,8) and satisfies the differential equation dy/dx=10/(x^2+1)
(a) Write the
3 answers
asked by
Anon
2,152 views
the length of a rectangle is 8cm more than the width and its area is 172cm^2 .Find
a) the width od the rectangle; b) the length
3 answers
asked by
nooria
2,140 views
The parents of twin boys started a college fund when the boys were 5 years old. They decided to invest $6,000 into an account
7 answers
asked by
Kiki
2,020 views
a 2.52-g sample of a compound containing only carbon, hydrogen, nitrogen, oxygen, and sulfur was burned in excess O to yield
1 answer
asked by
Grace
1,992 views
Misu Sheet, owner of the Bedspread Shop, knows his customers will pay no more than $110 for a comforter. Misu Sheet wants to
2 answers
asked by
Mike
1,887 views
3 similar shirts and 4 similar jackets cost $360. 1 such shirt and 3 such jackets cost $220. Find the cost of each shirt.
4 answers
asked by
Rachel
1,749 views
To what temperature must a sample of helium gas be cooled from 110 degrees C to reduce its volume from 4.9 L to 0.7 L at
1 answer
asked by
Gabriella
1,671 views
3.The Lo Company earned $2.60 per share and paid a dividend of $1.30 per share in the year that just ended. Earning and dividend
1 answer
asked by
adrian
1,626 views
Iron pyrite (FeS2) is the form in which much of the sulfur exists in coal. In the combustion of coal, oxygen reacts with iron
2 answers
asked by
Gabriella
1,574 views
Why did Jackson want to destroy the Bank of the United States?
because he believed it gave too much power to wealthy easterners
1 answer
asked by
Anonymous
1,450 views
A box a weight of 100 N rests on a horizontal floor.The coefficient of static friction is 0,40 and the coefficient of kinetic
2 answers
asked by
Confidence
1,400 views
How many pounds of nails will be needed to fill 100 boxes with 8oz. of nails in each?
5 answers
asked by
sam
1,337 views
Two parallel plates separated by a distance of 2.0 x 10^-2 meter are charged to a potential difference of 1.0 x 10^2 volts.
0 answers
asked by
Truth
1,294 views
You had 207.00,but spend 2.00each day which algebraic expression describes the situation,where d represents the number of days ?
2 answers
asked by
molly
1,286 views
How do the principles of wisdom, moderation, and justice apply to your rights and responsibilities as a citizen?
2 answers
asked by
anekfoxx
1,276 views
Substitution
X-6y=4 3x-18y=4
1 answer
asked by
Taylor
1,254 views
Which is the correct form of the verb provided to correctly complete the sentence.
Either the additional resources provided or
2 answers
asked by
ACE
1,225 views
At 25 °C, the density of a 40.0% (m/m) solution of sucrose, C12H22O11, in water is 1.18 g/mL. What is the molarity of this
1 answer
asked by
Michael
1,195 views
What pressure would a mixture of 3.2 grams of O2, 6.4 grams CH4, and 6.4 grams of SO2 exert if the gases were placed in a 4.1
1 answer
asked by
Gabriella
1,185 views
Bianca and yoko work together to mow the lawn. Suppose yoko mows 5/12 of the lawn and bianca mows 2/5 of the lawn. How much lawn
4 answers
asked by
jada
1,143 views
A car was purchased for $36,730. The following equation can be used to predict the value of the car based on it age, where t
4 answers
asked by
Kiki
1,078 views
A basketball player makes 80% of her free throws. Recently during a very close game, she shot 5 free throws near the end of the
1 answer
asked by
BOWERSHE
998 views
The expression log 4 radical a^2/b is equivalent to
Please help. Thank you
1 answer
asked by
Kiki
987 views
A 2.8 gram sample of a gaseous substance
occupies 12 L at 47 degrees C and 683 torr. What is the density of the gas under these
1 answer
asked by
Gabriella
987 views
Mr.Fox's fourth grade class of 20 students had an average of 72% on their last test. However, Rose's mark of 76% had been
1 answer
asked by
Sandy
968 views
determine the solubility in g/100 g water of A. KNO3 at 90DEGREE CELCIUS
B. KBr at 80 degrees celcius C. Kl at 0degree celcius D.
1 answer
asked by
jhelo
908 views
What is the density of a block of unknown material with a mass of 17.02 g if the dimensions are:
length = 2.2 cm height = 1.7 cm
1 answer
asked by
malb2
902 views
Solve the absolute value equation 4x-1=1 answers are. X=2 or x=0,, x=0or x=-1/2, x=0or x=1/2, x=2 Oryx=-1/2
1 answer
asked by
Anonymous
896 views
A car traveling at 72 mph starts braking and decelerates at a constant rate. the car takes 1/9 of a mile to stop. Find, to the
2 answers
asked by
Anonomous
859 views
for a gaussin surface through which the net flux is zero the following 4 statements could be true which of the statements must
1 answer
asked by
abbas
853 views
An artillery shell is fired at an angle of 55.7◦ above the horizontal ground with an
initial speed of 1690 m/s. The
1 answer
asked by
Fabricus
845 views
Nitroglycerin is a shock-sensitive liquid that detonates by the reaction
4C3H5(NO3)3(ℓ)-> 6N2(g)+10H2O(g)+12CO2(g)+O2(g)
1 answer
asked by
Gabriella
843 views
* I have a question. The sentence below says, "A PENNY, a NICKEL, and a DIME are flipped....." Does this go in order? That
3 answers
asked by
Anonymous
840 views
How to find coordinates of vertex, and find out if the function has minimum or maximum value and find that value?
f(x)=2x^2+8x+9
2 answers
asked by
Amame
840 views
Formula given:
The decibel (dB) scale for measuring loudness, d, is given by the formula d = 10 log base ten(I X 12 to the power
0 answers
asked by
Donna
832 views
A ramp 20m long slopes down 1.2m to the edge of a lake. A force of 300N is needed to pull a boat on a trailer at constant speed
3 answers
asked by
Jeff
828 views
Suppose that you are in a class of 31 students and it is assumed that approximately 10% of the population is left-handed. (Give
0 answers
asked by
Kay
819 views
What do you think? Does it require any improvements? What do you suggest?
What I have been assigned: "[w]rite a 3-paragraph
13 answers
asked by
Anonymous
801 views
Solve the system of equations by graphing. Then classify the system.
f(x)=x+1 g(x)=-8x+10 What is the solution of the system?
1 answer
asked by
Student5
793 views
i need to write to chemical formula for sulphur(II)iodide
but both are non metals what do i do and i get confused sometimes cause
2 answers
asked by
Sam
790 views
Solve the system of equations by graphing. Then classify the system.
y=-x-13 5x-4y=-20 What is the solution of the system? a)The
1 answer
asked by
Student5
788 views
We drop 30 grams of magnesium into 770 mL of a 4 M HCl solution. What is the maximum volume of dry hydrogen that could be
0 answers
asked by
Gabriella
786 views
If a sample of gas occupies 25.0 mL at -25°C and 650 mmHg, what is the volume at 25°C and 353 mmHg?
(Could you please show me
2 answers
asked by
John
785 views
if you have two samples of the same volume. the mass of sample A is higher than that of sample B. which sample has the greatest
4 answers
asked by
n
775 views
A car was purchased for $36,730. The following equation can be used to predict the value of the car based on it age, where t
3 answers
asked by
Kiki
775 views
Find the number of decibels of sound produced by a jet engine at a distance of 50 metres if the intensity is 10 watts per square
0 answers
asked by
Donna
774 views
body of weight is inversely propotional to square of its distance from center of earth,radius of the earth is 6380 km, how much
2 answers
asked by
Anonymous
769 views
The perimeter of a rectangle is 102 inches, and the length of the diagonal is 39 inches. Find the dimensions of the rectangle.
1 answer
asked by
Anonymous
766 views
Determine the term of a $46000 investment with an interest rate of 3.9%, compounded monthly, if the future value is $100000.
1 answer
asked by
Leah
752 views
The figure at the right consists of a rectangle topped by an isosceles right triangle. The area of the figure is 200 sq. feet.
3 answers
asked by
Anonomous
739 views
a) What is sampling with replacement? (b) What is sampling without replacement? c) How does sampling without replacement affect
1 answer
asked by
Anonymous
738 views
A volume of water delivered using a buret has a mass of 2.67 g. What was the final volume reading on the buret if the inital
1 answer
asked by
malb
735 views
Solve the following system of equations.
x+4y=5 x=6-4y What is the solution of the system? a) The solution of the system is ___?
1 answer
asked by
Student5
732 views
tan(4x − 4)° = cot(3x + 10)°
1 answer
asked by
Kiki
732 views
Kelly is planning to renovate her house. She intends to spend $200000. She invests $150000 in an account at 5.3% interest,
3 answers
asked by
Leah
730 views
the first three terms of a geometric sequence are: t1; t2 and t3. if t2=t1-4 and t3=t2-9. determine the values of t1; t2 an t3
1 answer
asked by
anonymous
718 views
Why do many theorists doubt that genres exist at all?
1 answer
asked by
Anonymous
714 views
HIV is a retrovirus. Which of the following processes does it use to synthesize a DNA strand using its own RNA genome as a
0 answers
asked by
Kia
712 views
Write the vocabulary word from the word box that matches each idea.
Communicate - flick - alert- signal - chatter - grooms.
1 answer
asked by
NA
707 views
You shoot your potato gun horizontally from shoulder height, which is 190 cm. The potato lands 15 m away from you. You would
0 answers
asked by
SHAWN
695 views
Which is the correct form of the verb provided to correctly complete the sentence.
A high percentage of student population in the
3 answers
asked by
ACE
688 views
Select the correct form of the verb provided to correctly complete the sentence.
This week’s “Steal of the Week” claims
1 answer
asked by
ACE
687 views
A block with a mass of 1.0kg is lifted up slowly from ground (0m) to height of 0.51m.
block is slowly displaced horizontally by
1 answer
asked by
Ray
669 views
Systole is the ________ phase of the cardiac cycle.
A. Contraction B. Relaxation C. Monitoring D. Termination
1 answer
asked by
xd
668 views
In 1992, the life expectancy of males in a certain country was 71.1 years. In 1997, it was 73.4 years. Let E represent the life
1 answer
asked by
Student5
661 views
A lever scale is balanced with a beaker filled of air on one side. The scale is very sensitive and can easily measure a change
3 answers
asked by
annonymous
661 views
The radius of the moon is approximately one quarter of the earth's radius,and its mass is on eightieth of the earth's
0 answers
asked by
Zanele
660 views
What is the density of a 33.13 g irregularly shaped object if the initial volume of water was 22.9 ml and the volume rose to
1 answer
asked by
malb4
660 views
4. A basketball is thrown from a height of 1.60(m), with an angle of 45o above the horizontal.
(a) With what initial speed must
0 answers
asked by
maria
659 views
Ms. Madeja is planning a trip to Trenton, NJ and the map has a scale indicator of 3/4 inch=25 miles
Ms.Madeja measured 6 and 3/4
11 answers
asked by
mama
657 views
Elimination
4x-7y=23 3y=-6x+33
1 answer
asked by
Taylor
655 views
Q.1 The normal stresses at a certain point in a body are 80MPa tension and 50Mpa compression. There are also shear stresses
3 answers
asked by
Anand
655 views
1) Calculate the energy. in joules, of a photon of wavelength 1.250x 10^3 nm
2) If 3.011x 10^23 molecules have a mass of 20.04
2 answers
asked by
Annabelle
653 views
Find the number of decibels of sound produced by a jet engine at a distance of 50 metres if the intensity is 10 watts per square
0 answers
asked by
Donna
652 views
From two tracking stations, A and B, 450km apart, a satellite is sighted at C directly above the line joining A to B. At the
1 answer
asked by
Umar
652 views
Which is the correct form of the verb provided to correctly complete the sentence.
Some of the references ______ to have been
2 answers
asked by
ACE
643 views
calculate the weight of a man with a mass of 80.0kg on the surface of the moon 156N?
1 answer
asked by
celiwe
637 views
The majority of the people in the field of education ______ proponents for education reform and resource equity across
3 answers
asked by
ACE
634 views
A coin is dropped from a hot-air balloon that is 325 m above the ground and rising at 12.5 m/s upward. For this problem use a
0 answers
asked by
Anonymous
632 views
A softball having a mass of 0.29kg is pitched at 97km/h . By the time it reaches the plate, it may have slowed by 8.0%.
Neglectin
2 answers
asked by
Amy
629 views
Find the coordinates of the point on the curve xy=6 in quadrant I where the normal to the curve passes through the origin.
0 answers
asked by
Anon
628 views
Substitution
X-6y=4 3x-18y=4
1 answer
asked by
Taylor
628 views
Determine the followng solutes disolved in 100 g of water will form unsaturated or saturated solution
a. 180g Kl at 60DGREE
2 answers
asked by
jhelo
620 views
Classify reaction as addition, displacement, or decomposition: Al(s)+NaOH(aq)=Al(OH)3(s)+Na+(aq)
2 answers
asked by
Bobby
620 views
Researchers found that 30% of the larch trees in a certain geographical area had been damaged by fungi. (No fun, guy.) Consider
1 answer
asked by
Bud
620 views
42.55mL of a standardized 1.005 M NaOH solution was necessary to exactly neutralize 30.0mL of an aqueous H2SO4 solution of
1 answer
asked by
Cherokee
616 views
Find the monthly payment for the loan. (Round your answer to the nearest cent.)
A $128,000 home bought with a 20% down payment
1 answer
asked by
Anonymous
609 views
3 apples and a pineapple equally balances 10 oranges. Also,6 oranges and an apple equally balances a pineapple. How many oranges
1 answer
asked by
Anonymous
609 views
How large should Venus appear in arc seconds? Use the small angle formula and the diameter of Venus. Note that an arc second is
0 answers
asked by
Barbara
602 views
Slove: 2logbase5(x+2) = 2 + log base5(x-2)
1 answer
asked by
mann
599 views
Can you check my answers? From the words below, supply the words needed to complete the sentences.
Peerless, sporadic, bravado,
2 answers
asked by
Anonymous
596 views
Tenths
Playground Fence painting Painter. Red posts. White posts. Blue posts Annie 7 2 1 Chun. 1 3 6 Felipe. 9 0 1 Hans. 1 8 1
1 answer
asked by
Nawaf
595 views
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