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Amanda
Questions and answers by
Amanda
, page 8
Questions (1,498)
I have this problem....
Hexane has a density of 0.659 g/ml. How many milliliters (mL) would a student need to pour in order to
4 answers
1,632 views
if EF=2x-10 FG=3x-9, and EG=21 find the value of x, EF, and FG
1 answer
292 views
Find x such that point (x,9) is 10 units from (9,3)
1 answer
301 views
In which quadrants are the sign of first and second coordinates different
1 answer
277 views
Find the distance between the points and the midpoint of the line segment joining them (p,0) (q,0)
1 answer
441 views
In 2007, Donald's stock portfolio decreased in value by 25%. In 2008, his stock portfolio decreased in value by another 40%.
3 answers
438 views
A student take in 2,300 calories and burns 2,500 calories. find the net change
2 answers
912 views
A 27.00 mL sample of an unknown H3PO4 solution is titrated with a 0.110 M NaOH solution. The equivalence point is reached when
4 answers
3,009 views
Find the measure of each angle in a triangle with angles: x, (x-135), and 1/10 x
1 answer
308 views
a student conducts and experiment by reacting 39.6g CuSO4 with an excess of MgS. The reaction yields 9.5599g CuS. What is the
2 answers
806 views
Write the complete ionic equation for Cu(NO3(aq)+K2S(aq)and namd write the formula for the spectator ions in this reaction? This
5 answers
7,548 views
Would you expect a chemical change to be always accompanied by a physical change?Pls. Explain
3 answers
484 views
In a head-on collision, a car stops in 0.14{\rm s} from a speed of 24{\rm m}/{\rm s} . The driver has a mass of 67{\rm kg} , and
4 answers
659 views
a new compound composed of just Hex-Nuts and bolts is formed.A 13.7 Kg sample of the new compound is separated into its
1 answer
478 views
A rock is thrown upward at a speed of 10 metres per second. The height of the rock above the ground is given by the formula
1 answer
396 views
what is the chemical name and lewis structure of NO3 -2
2 answers
725 views
Phthalates used as plasticizers in rubber and plastic products are believed to act as hormone mimics in human. The value of
7 answers
5,170 views
Phthalates used as plasticizers in rubber and plastic products are believed to act as hormone mimics in human. The value of
1 answer
419 views
The complete combustion of 1.283g of cinnamaldeyde (C9H8O, one of the compounds in cinnamon) in a bomb calorimeter
5 answers
4,261 views
The complete combustion of 1.283g of cinnamaldeyde (C9H8O, one of the compounds in cinnamon) in a bomb calorimeter
2 answers
814 views
Using data from the following reactions and applying Hess's law, calculate the heat change for the slow reaction of zinc with
3 answers
1,639 views
We had a lab where the standard solution was potassium hdrogenphthalate. In this we added 3 drops of phenolphtalein indicator
3 answers
864 views
a new compound composed of just Hex-Nuts and bolts is formed.A 13.7 Kg sample of the new compound is separated into its
1 answer
387 views
Cannot attach graph!
a. If the actual price level exceeds the expected price level reflected in long-term contracts, real GDP
3 answers
2,054 views
In humans, W=widows peak while w=normal hair line and A=attached earlobes while a= unattached earlobes. A heterozygote in both
1 answer
436 views
If 92.75 mg of Na2CO3 is dissolved in 0.5mL of water, what would be the normality of the solution after the addition of 0.67 mL
1 answer
412 views
a particle is moving counterclockwise around the circular path whose equation is x^2+y^2=100 of the abscissa of the particle is
3 answers
901 views
A large balloon of mass 237 kg is filled with helium gas until its volume is 318 m3. Assume the density of air is 1.29 kg/m3 and
2 answers
956 views
Please write the balanced chemical equation for reaction the following chemical reaction
ozone gas, O3, reacts with
2 answers
973 views
If p is an odd prime, prove that (2/p)=(-1)^[(p^2-1)/8]
1 answer
316 views
I have to find a 6-8 minute monologue for my HSC and i cant find a good site to help me if anyone has any good answers please
1 answer
344 views
Find the effective rate corresponding to the given nominal rate. (Round your answer to the nearest hundredth of a percentage
4 answers
2,542 views
Find the effective rate corresponding to the given nominal rate. (Round your answer to the nearest hundredth of a percentage
1 answer
461 views
Find the present value of $31,000 due in 4 yr at the given rate of interest.
(a) 6%/year, compounded quarterly $ ? (b) 3%/year,
1 answer
452 views
Find the present value of $53705.69 due in 5 yr at an interest rate of 8%/year compounded continuously.
$ ?
1 answer
310 views
Find the present value of $31,000 due in 4 yr at the given rate of interest.
(a) 6%/year, compounded quarterly $ ? (b) 3%/year,
2 answers
877 views
Find the present value of $31,000 due in 4 yr at the given rate of interest.
(a) 6%/year, compounded quarterly $ ? (b) 3%/year,
2 answers
839 views
A 24-g ice cube floats in 180 g of water in a 100-g copper cup; all are at a temperature of 0°C. A piece of lead at 92°C is
3 answers
1,112 views
Find the accumulated amount A, if the principal P is invested at an interest rate of r per year for t years.
P = $24,000, r = 7%,
2 answers
618 views
Two fraternities are in a tug of war. Theta Chi is pulling with a total force of 4,748 newtons to the east and Tau Kappa is
10 answers
450 views
If I am looking to support my pro capital punishment theories which of the following ethical theories would best support my
2 answers
522 views
In triangle EFG, M<F=3(m<G), and m<E=m<F-30degree. Find the measure of each angle.
1 answer
648 views
A 600,000-cell bacteria culture is needed for a lab experiment, but you only could purchase 1,000 cells. If the cells double
1 answer
480 views
Completely factor the following expressions. Please show work/explain
t^2+4tv+4v2 4x^2-8x-12+6x 144-9p^2 5c^2-24cd-5d^2
4 answers
831 views
What mass of chromium is contained in 50 ml of 6.55 M cr2(cro4)3?
a. 85.2g b. 0.188g c. 68.1 g d. 17.0g
1 answer
318 views
what total mass of product will form when 1.38 L of c3h8 at 25 degrees C and 760 torr react with 75.0 mL of 5.33 M h2cr04?
a.
2 answers
930 views
what total mass of product will form when 1.38 L of c3h8 at 25 degrees C and 760 torr react with 75.0 mL of 5.33 M h2cr04?
a.
1 answer
388 views
What mass of chromium is contained in 50 ml of 6.55 M cr2(cro4)3?
a. 85.2g b. 0.188g c. 68.1 g d. 17.0g
1 answer
337 views
EF = 3x-16, FG = 2x-7, and EG = 17, find the values of x, EF, and FG
4 answers
1,407 views
What power is needed to lift a 358 crate of bricks from the ground to the top of a 25.0 -high building in 1 minute?
2 answers
568 views
Your sofa won't fit through the door of your new sixth-floor apartment, so you use a 1.19 motor to lift the 88.6 sofa 18.3 from
2 answers
788 views
A 125 ball has a kinetic energy 33.6
What is the magnitude of it's momentum? What is the speed?
2 answers
627 views
Glycerin is poured into an open U-shaped tube until the height in both sides is 20 {\rm cm}. Ethyl alcohol is then poured into
3 answers
7,104 views
Describe the economic policy of merchantilism in early America
1 answer
337 views
A crate is sliding down a ramp that is inclined at an angle 37.9 ° above the horizontal. The coefficient of kinetic friction
4 answers
4,343 views
32x45=__ +-67 ?
1 answer
394 views
A moving truck fills up a shipment at an od adress, at (-2,1). It travles 7 blocks south and 6 blocks east to the new adress.
1 answer
407 views
How do I calculate the initial velocity of a ball if i've only given a maximum height of 12metres above its starting point?
1 answer
312 views
A cheetah can run with a speed of 29 m/s. Determine the distance travelled by a running cheetah in 8.6 s
3 answers
995 views
Classify the following measurements as scalar of vector quantities.
A.) 15 s B.) 4.2 m ( up) C.) 100 km/h (S) D.) 2.8 kg
4 answers
1,794 views
In the human body, blood travels faster in the largest blood vessel, the aorta than in any other blood vessel. Given an average
4 answers
1,126 views
During the second stage of a rocket launch the rockets upward velocity increases from 980 m/s with an average acceleration of 33
3 answers
469 views
An airplane is flying due west at a velocity of 100 m/s. The wind is blowing out of the south at 5 m/s. What is the magnitude of
3 answers
2,150 views
Here is my choices...curtail,devastate,digress,inceantive,incorporate,indispensable,intermittent,rigor,squander,succumb
here is
10 answers
2,027 views
Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle.
x^2+y^2+16x-18y+145
1 answer
471 views
History and Geography Activity 12 what page is this on?
4 answers
585 views
ln24 - ln6
3 answers
737 views
Find the property of the real numbers which will complete the argument below:
1. Zero is not a positive number. 2. Choose x as
1 answer
459 views
Find the property of the real numbers which will complete the argument below:
1. Zero is not a positive number. 2. Choose x as
2 answers
566 views
f(x)=2ln(x^2+3)-x Domain [-3,5]
how do i find the absolute maximum value of this?
2 answers
800 views
1). In a titration 20 mL of 0.100 M of HCl is added to 50.0 mL of 0.150 M of ammonia.
A). What is the pH of NH3? B). What is the
2 answers
571 views
can someone tell me what would 0.0625 be as a fraction?
1 answer
267 views
and what would 0.1875 be as a fraction?
5 answers
643 views
What mass of sodium oxide is produced from 4.23 grams of sodium and 20 liters of oxygen gas?
2 answers
889 views
what is a verbal rule in math?
2 answers
622 views
Solve. 10/(3x) + 4/3 = (7 + x)/2x
A) x = 1/3 B) x = 17/5x C) x = 1/5 D) x = 1/6 help??
1 answer
259 views
x-14/x-1=4-2x/x-1
2 answers
741 views
Human or environmental problem under substance abuse. The impacts
1 answer
307 views
Persuasive Writing Assignment: Imagine that you are an agent who is interested in publishing new authors. Choose any book you
3 answers
709 views
Explain the difference in prices for each of the following pairs of goods in terms of the laws of supply and demand: (a) natural
3 answers
1,463 views
Imagine that you are an agent who is interested in publishing new authors. Choose any book you like and present the book to a
1 answer
482 views
1.In the bitter cold, (he, him) and Dad struggled to save the orange crop. My answer:he
2. (Her and me, She and I) have joined
2 answers
496 views
40. Find the surface area of a conical grain storage tank that has a height of 42 meters and a diameter of 20 meters. Round the
4 answers
2,243 views
If P(F)=0.3, P(E or F) =.65 and P(E and F)=.15, find P(E)
1 answer
324 views
P(7<x<9) when mu=7
1 answer
210 views
solve for all possible x in [0,2pi):
(cscx+2)(cscx-√(2))=0
1 answer
431 views
If 1000 raffle tickets were sold for a TV prize that is worth $275 and a ticket number is drawn to determine the winner, what is
1 answer
472 views
A cross country race course on flat ground has runners heading from point A for 3.5 km on a bearing of 047degT to point B. From
2 answers
575 views
As an entrepreneur, there are going to be many decisions that you need to make, such as the price to charge your customers for
2 answers
503 views
There's a table that says Company A charges $0.36 plus 0.03. And Company B charges $0.06 per minute. The question Im having
2 answers
575 views
How do you calculate the wavelength of the radio waves that are produced is 561 m, when electrons on a radio broadcasting tower
3 answers
545 views
A hydrogen atom has a diameter of about
10.1 nm. Express this diameter in meters.
3 answers
758 views
Identical point charges of +2.9 µC are fixed to three of the four corners of a square. What is the magnitude of the negative
1 answer
933 views
FIGURE A-9—This photo should be used to answer Question 15.
15. Two small engine technicians are disassembling the engine shown
2 answers
1,224 views
We will need 0.5L extraction buffer with 25 mM HEPES, 1 mM EDTA, and 1 mM DTT. Please calculate how many grams of each solute
3 answers
419 views
You wish to produce a human enzyme, protein A, by introducing its gene into bacteria. The genetically engineered bacteria make
1 answer
876 views
A sociologist is interested in the relations between x=number of job changes and y=annual salary (in thousands of dollars) for
2 answers
1,211 views
a. Critical Thinking Critical Thinking Suppose you and a friend each take different random samples of data pairs (x,y) from the
1 answer
465 views
6)You are given the information that P(A) =0.30 and P(B) =0.40 (a) Do you have enough information to compute P(A or B)?
3 answers
1,560 views
12) Allergic reactions to poison ivy can be miserable. Plant oils cause the reaction. Researchers at the Allergy Institute did a
3 answers
1,459 views
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