Victor

This page lists questions and answers that were posted by visitors named Victor.

Questions

The following questions were asked by visitors named Victor.

(solving for x) 3(x+5)=6x-4+7(-7x-1) Each time I try this i plug the numbers in and i find out that i am worng. Please help! I get -13/23 but I didn't check it. Post your work if you want me to check it and find your error.

18 years ago

Are trans-isomers more stable than cis-isomers? i.e. do they have a higher boiling point?

18 years ago

Find the length of the spiral r=a(Theta) on [0,Pi]

17 years ago

Are cheap imports of consumer goods from China being subsidized by insuffient investment in environmental protection in that country? What information would you like to have in order to answer the question more fully? thank you for the help

17 years ago

Hi. What was the percentage increase in energy consumption from 1970-1988? In 1970 it was 66.4 and in 1988 it was 80.2 So I divide 80.2 by 66.4, right? So I get 1.2. Is the percentage increase 1.2%, .2%, 20% or 120%? Thanks!

17 years ago

Say youre going to buy a franchise to run a fast food restaurant. The start-up cost is $150,000, and you've raised 50% of this. What are likely sources of finance to cover the remainder? Please bear in mind that you've probably alreasy used up your saving...

16 years ago

What sorts of insurance costs would a fast-food restraunt have to face? I know, a bit vague, but try your best

16 years ago

Hey, I finished my math homework, and im not so sure i did it correct, so can someone do this question and i will look at the answer to see if my work was correct this is State and Justification Given : m<4 = 130degrees, m<1 = x+10 , and m<2 = x Prove : m...

16 years ago

True or false questions a)Rubbing a polythene rod with a duster gives the rod extra negative charge. b)Rubbing a polythene rod with a duster takes away positive charge from the duster. c)The duster will have the same charge as the polythene rod it has rub...

16 years ago

There is a shape that has a right triangle on top of a square, I need to find the area of the shape H1|\ | \ | \ | |H2 |___| B B=20Ft H2= 75lb/ft H1= 150 lb/ft I got 600 for the total area, am I close

16 years ago

Based on the force vector that is hown, I have to determine the x and y vector components. |\ fy=?| \ f= 200 lb | \ |___\ fx=? How do I do this with only one side given and the given 90 degree angle

16 years ago

There is a charge that is 1uC and another charge that is 2 uC. They are 10 cm apart. I need to find a point where the electric field is zero. All I have is this kq1\a=kq2\(10-a)^2 where q1=1 where q2=2 where k=9*10^9 I am lost after this I know I use regu...

16 years ago

There is a 85uC point charge at the origin. Find the electric field at the point x3= -45cm , y3= 55cm (5.85*10^5)(-.45+.75)/(-.45^2+.75^2)^3/2 am I totally off The previous questions before this were to find at x1=40cm y1=0 and x2=65cm y2=65cm I figured t...

16 years ago

The Earth is surrounded by an electric field on its surface that points toward the center of the Earth with an average magnitude of 150 N/C. If there is an electron that is released in vacuum at the Earth’s surface, what will the acceleration due to the E...

16 years ago

Fact 1: "The substitution effect(SE) must ALWAYS be negative (i.e. goes in the opposite direction to the change in PRICE). The income effect(IE) can be either positive or negative." Fact 2: "SE and IE can go in the same direction or they can go in opposit...

15 years ago

Consider the work-leisure model. Assume leisure is a normal good and suppose the wage rate(W) increases, then in this case we will have the following. Substitution effect: W increases => hours of leisure decrease Income effect has TWO components: 1. Ordin...

15 years ago

Sally is a frequent flyer whose fares are reduced through coupon offerings. She receives a 20% reduction on fares after she flies 20,000 miles, and 40% reduction after she flies 40,000 miles. a) Illustrate her budget constraint. b) Illustrate how her leve...

15 years ago

John is a professional football player and next year will be able to sign a $25 million contract if he does not get injured this year. If he gets injured this year, his value will be significantly reduced and he will only be able to sign a contract for $5...

15 years ago

Monetary policy is the responsibility of the Central Bank and involves variations in the level of the supply of money, the interest rates and availability of credit aimed at affecting the level of expenditure, employment and economic activity within the e...

15 years ago

1. John Maynard Keynes said business investment is determined mainly by a. the state of business confidence b. expectations about the future c. psychological perceptions about the economy d. all of the above 2. Assume that the Canada experiences higher in...

15 years ago

Could someone please help me with this question. Thank you The person makes a spin through the air, increasing the angular velocity from 3.0 to 5.0 rev/s while rotating through 1/2 revolution. How much time does this it take ?

15 years ago

Suppose there are only two producers, A and B, in a market producing the same good with the same total cost function TC=0.05 Q^2 +100. The market demand is given by Q=1000-5P. a) Find the equilibrium price and total output in the Bertrand model. b) Find t...

15 years ago

A person takes about 20 breaths per minute with 0.5 litre of air in each breath. How much heat is removed per hour by the moisture in the exhaled breath if the incoming air is dry and the exhaled breath is fully saturated? Assume that the water vapour pre...

15 years ago

1)Slave rebellions in the colonies were a result of a)harsh controlling African Americans' activities b)economic downturns c)the spread of democracy d)worsening conditions aboard slave ships I think C ? 2)The Green Party and Farmers' Alliances both called...

15 years ago

Two vectors, A and B, are added by means of vector addition to give a resultant vector R. The magnitudes of A and B are 9 m and 8 m, respectively, and they can have any orientation. What are the maximum and minimum possible values for the magnitude of R?

15 years ago

Given the vectors below, determine the resultant and the equilibrant using trigonometry. Show all your steps. 330.0 newtons @ 125 degrees 250.0 newtons @ 60.0 degrees

15 years ago

Given vectors A = -4.8i + 6.8j and B = 9.6i + 6.7j, determine the vector C that lies in the xy plane perpendicular to B and whose dot product with A is 20.0.

15 years ago

Think about the energy you use every day (running, eating, ...) Where have you seen heat energy being lost? Activity.... Heat lost through

15 years ago

How is radiotion different from convection and conduction? What happen to convection currents when a fluid reaches a constant temperature?

15 years ago

Can anyone give me an acrostic poem on lithosphere?

14 years ago

You are driving in your car and you apply a constant force to your brake pedal. Which of the following are changing? (Ignore air resistance) a. Speed b. Velocity c. Acceleration d. Speed and Velocity e. All of the above

14 years ago

A 1L flask is filled with 1.000atm of H2 and 2.000atm of I2 at 448*C. The following equilibrium is established: H2(g)+I2(g)= 2HI(g). The value of K for this equilibri- um is 50.5. What are equilibrium partial pressures of H2,I2,and HI?

14 years ago

Write an expression with an exponent that is equvalent to 1/8

14 years ago

Find the unknown dimension width 5 1/2 ft 3 1/4 ft volume 143 ft3

14 years ago

What is one specific diagnosis for Anxiety Disorder?

14 years ago

A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 121.2-cm and a standard deviation of 1.8-cm. Suppose a rod is chosen at random from all the rods produced by the company. There is a 23% probability that...

13 years ago

We're doing superlatives and we had to have three groups of sentences. Did I compare these correctly?I numbered each group as 1, 2 or 3, not each sentence in the group. 1.Tocar el piano es interesante. Tocar la guitarra es más interesante que tocar el pia...

13 years ago

I had asked a question the other day but I'm not sure if I'm understanding this- it was a comparison-You said this as a comment: Spanish-8th grade - SraJMcGin, Thursday, October 20, 2011 at 4:02pm 3. also = de las tres actividades Also, #3 is different be...

13 years ago

Revise the following sentences to eliminate unnecessary shifts in tense, mood, voice, or person and number and between direct and indirect discourse. Most of the items can e revised in more than one way. 1. The greed of the 1980s gave way to the occupatio...

13 years ago

Directions: Revise the following sentences to eliminate unnecessary shifts in tense, mood, voice, or person and number and between direct and indirect discourse. Most of the items can e revised in more than one way. Examples: • When a person goes to colle...

13 years ago

Please help me out... The pressure of a container of fluorine gas with a volume of 1.5L is 678mmHg at 55.0*C. a. If the volume of the fluorine gas increases to 5.0L, what would be the pressure of the gas in atm? The amount and tempature of gas are consist...

13 years ago

a plane is flying at 250 km hr an hit a 50 km hr headwind what is its resultantt speed relative to the ground

13 years ago

what formula do i use to figure our the usage (in million)of the drug claritin. From the year 2008-2011

13 years ago

Cellular Phone Sales The probability that a cellular phone company kiosk sells X number of new phone contracts per day is shown below. Find the mean, variance, and standard deviation for this probability distribution. X 4 5 6 8 10 P (X) 0.4 0.3 0.1 0.15 0...

13 years ago

A position vector has an x component of -2.5 m and a y component of 4.2. (a) What is the vector's magnitude and directions? b) suppose a spider took 10 minters to first walk -2.5m in the x direction and then 17 mintures 4.2 m in the y direction? Find the...

13 years ago

Archimedes purportedly used his principle to verify that the king's crown was pure gold, by weighing the crown while it was submerged in water. Suppose the crown's actual weight was 14.0 N. The densities of gold, silver, and water are 19.3 g/cm^3, 10.5 g/...

12 years ago

How do you get the big number on a runaway math puzzle worksheet

12 years ago

What is the equation go the line that is parallel to the graph of y=1/2x+6, and who's y-intercept is -2

11 years ago

Ten members of a fraternity take a statistics course. Here are their scores on the first exam in the course. 61,74,47,60,62,63,65,79,55,85. In all 135 students took the exam. The third quartile for all 135 scores was 69. How many students had scores highe...

11 years ago

Acetylene gas c2h2 reaction cac2+2h2o. C2h2+Ca(oh)2 how many moles of cac2 needed to prepare 10.0 g c2h2 please show work and answer soon final question on big test review

11 years ago

A college professor contributes $5,000 per year into her retirement fund by making many small deposits throughout the year. The fund grows at a rate of 7% per year compounded continuously. After 30 years, she retires and begins withdrawing from her fund a...

11 years ago

If $12,000 is invested in a certain business at the start of the year, the investor will receive $3,600 at the end of the next four years. What is the present value of this business opportunity if the interest rate is 7% per year?

11 years ago

What must be the price of a $10,000 bond with a 6.5% coupon rate, semi-annual coupons, and two years to maturity if it has a yield to maturity of 8% APR?

11 years ago

What is the coupon rate of a two-year, $10,000 bond with semiannual coupons and a price of $9,543.45, if it has yield to maturity of 6.8%?

11 years ago

Calculate the escape velocity of a satellite launched from the earth surface if the radius of the earth is 6.4x10^6m

11 years ago

Finding three geometrically numbers knowing that their sum is greater than 78 and 30 units exceeds the sum of the other two.

11 years ago

A cooling cost 1540 dollars. After four years he sold at half their value. If this is repeated every four years, the payment in the refrigerator the fifth person to buy it and after a few years this purchase was made.

11 years ago

Given the numbers 10 and 40 their averages are obtained by different procedures 16, 20 and 25 respectively. Say which is the arithmetic mean and what is the geometric mean

11 years ago

To find three numbers in geometric progression, knowing that their sum is 78 and the highest 30 units exceeds the sum of the first and second term.

11 years ago

A mass is thrown upward towards a vertical wall. If the release point is at a horizontal distance of 12 meters from the base of the wall, and the ball is launched at an angle of 60 degrees above the horizontal, with what speed need it be thrown so that it...

11 years ago

Jennifer owes $13,000 to a friend who is charging her interest of 0.90% p.m. She is required to settle the amount owed with two equal payments, one today and the other in three months. Calculate the size of the payments using three months as the focal dat...

10 years ago

At the library, the quickest way to locate varied, reliable information for your research paper is to A. check the encyclopedias. B. search the card catalog for related titles. C. ask the reference librarian. D. check the Readers' Guide.

10 years ago

Melissa wants to figure out how many fish live in a small lake by her house .She ccatces 15 fish and tags the (safely).Shethen outs thoes fish back in the lake .Then next day ,she catches 28 fish .of those 28 fish, 3 of them have the tags on them.About ho...

10 years ago

A voltmeter is specified as being accurate to within 2%. The reading on the voltmeter is 3.50v..the maximum voltage represented by this reading is?

10 years ago

how do you solve? kim's mom is 47 years old. in 5 years her mother will be 10 years older than twice what kim's age will be. how old is kim now?

10 years ago

a) Co(H2O)6^2 + 4 Cl^‐1 (aq) ⇄ CoCl4^‐2 (aq) + 6 H2O (l) Rewrite the net ionic equation above including the energy term where appropriate. The Delta H for this reaction is +50 kJ/mol. b) Silver chloride (AgCl) is a white solid. For the equilibrium reactio...

10 years ago

A sector of a circle of radius 7cm subtending an angle of 270 degree at centre of the circle is use to form a cone? (A)find the base radius of the cone. (B)calculate the area of the base of the cone.

9 years ago

Sandra is traveling 17 mph on her bicycle. After 4 hours, how far will she have traveled

9 years ago

A truck is moving away at 30 mph from a car moving towards the truck at 60 mph. If the truck emits a horn of frequency 500 Hz, what frequency does the driver of the car hear to 3 significant digits? how do i solve i know the answer is 519hz but how?

9 years ago

A box is made of wood 5cm thick, its internal dimension are 10cm by 8cm by 11cm, what is the volume of the wood in the box

9 years ago

A 900-kg merry-go-round (a flat, solid cylinder) supports 10 children, each with a mass of 50.0 kg, located at the axis of rotation (thus you may assume the children have no angular momentum at that location). You need to describe a plan to move the child...

9 years ago

Calculate the concentrations of Cd2 +, [Cd (CN) 42] and CN at equilibrium when they dissolve 0, 42mol of Cd(NO3)2, molarity= 2.50 M Kf =7.1x10^16

9 years ago

What is the potential energy of a 150 kg diver standing on a diving board that is 10 m high?

9 years ago

An unknown substance at a temperature of 20 degrees Celsius is warmed up to 50 degrees when water at 80 degrees is added to it. Can I post this question. There is more information I have and the point is to find the specific heat of the unknown substance.

9 years ago

A car travels 20 km southwards and then another 30 westwards. What is the displacement of the car from its initial position?

8 years ago

Every Wednesday is salad bar day at Ashley's school. The most popular ingredients are cherry tomatoes, cucumber slices, and shredded carrot. Last Wednesday, out of the 27 students in Ashley's class- 14 took carrot 13 took cucumber 16 took tomato 8 took cu...

8 years ago

Which is the molarity of a solution containing 20 g of CH3 OH in 300 mL of solution

8 years ago

A minimum energy of 151 kJ is required to dissociate a mole of iodine molecules, I2. Calculate the wavelength of radiation that supplies this energy, assuming each bond beaks by absorbing one photon.

8 years ago

a boat sails 150km N60°E, then 100km West. What is it's displacement from its starting point?

8 years ago

A is a solution of hydrochloric acid containing 3.650g of HCl in 1dm3 of solution. B is a solution of impure sodium carbonate. 25cm<sup>3</sup> of B require 22.7cm<sup>3</sup> of A for complete reaction. Given that 5.00g of impure B was dissolved in1dm<su...

8 years ago

Consider two flasks. What are the final partial pressure of H2 and N2 after the stopcock between the two flasks is opened? Assume the final volume is 3.00 L. What is the total pressure in torr? Flask 1: 2.00 L H2, 475 torr Flask 2: 1.00 L N2, 0.200 atm Im...

8 years ago

What mass of zinc would need to react with hydrochloric acid in order to produce 25.0 mL of hydrogen gas collected over water at 25 degrees celsius and 105 kPa. How do you solve this using the combined gas laws? The answer is 0.067 grams but how do you ge...

8 years ago

What volume of gas can be produced in a lab where pressure is 16.0 psi and temperature is 25 C if you collect it over water from the reaction of 50g of ammonium sulfate with 50g of aluminum hydroxide. The equation for the reaction is: 3(NH4)2SO4 + 2Al(OH)...

8 years ago

You want to make 40 mL of gas from some aluminum carbonate. The temperature of the lab is 23 C and the rpessure is 760 torr. If you collect the gas over water, what mass of reactant is necessary?

8 years ago

How many liters of chlorine gas at 25C and 0.950 atm can be produced by the reaction of 24.0 g of MnO2 with hydrochloric acid? The products include manganese (II) Chloride, water, and chlorine.

8 years ago

The reaction Fe + Br2 ---> FeBr2 Delta H = -249.8kJ Calculate delta H when 10.0 g of FeBr2 is formed.

8 years ago

So Ag+ + Cl- ---> AgCl and delta H is -65.5 kJ. I'm supposed to calculate delta H when one mole of AgCl dissolved in water, so 1 mol AgCl *(65.5 kJ/1mol Agcl) right? But the answer is 65.5 kJ, and why is it positive, not negative, is my question.

8 years ago

4Fe + 3O2 ---> 2Fe2O3 Delta H -1652 kJ How much heat is released when 10 g Fe and 2 g O2 are reacted.

8 years ago

Consider the combustion of propane. Delta H is -2221 kJ. Assume all heat is from combustion of propane. What mass of propane must be burned in order to furnish this amount of energy assuming the heat transfer process is 60% efficient.

8 years ago

Thirty feet of water exert a pressure of 1 atm. Calculate the pressure (in kPa) exerted on a diver at a depth of 50 feet on a standard day.

8 years ago

In a coffee cup calorimeter, 2.00 g of potassium hydroxide are mixed with 200.0 g of water at an initial temperature of 25.00C. After dissolving the salt, the final temperature of the solution is 27.33C. What is the heat change for the dissolution of po...

8 years ago

Answers

The following answers were posted by visitors named Victor.

How do you know the answer is yes? I don't really understand the question.

17 years ago

okay, makes sense thanks

17 years ago

Isn't that the same as doing 80.2/66.4, getting 1.207, and saying it is 21%?

17 years ago

Yeah, but since it is 21% over 100% (121%), that means it increased by 21%.

17 years ago

okay thanks

17 years ago

What exactly are you refering to? Pseudomembranous colitis? Please be more specific & correct your spelling. However, abdominal pain is a symptom of above disease, so abdominal pain, if that's any help. And what do you mean by heme-negative stool?

16 years ago

The boundary between organic and inorganic compounds are somewhat...arbitrary. Historically, a compound that can be produced only by a life-form is considered organic, and technically all things organic contain carbon. However, all compounds carbon are no...

16 years ago

Did some more research: The name organic goes back to the 19th century when it was belived that they could only be synthesised by an organism. This was disproved when Friedrich Wohler syntheized urea, traditionally considered organic. Our concept of inorg...

16 years ago

Interesting, since another trojan prince, Aeneas, actually managed to escape the sacked city and had many adventures throughout the mediterranean before finally settling on the land where Rome would be built centuries later. He was a favorite of the Roman...

16 years ago

An article is a word that combines with a noun to indicate the type of reference being made by the noun. The three most common are, in no specific order: the, an & a. When you say 3 simple,compound and complex sentences, do you mean 1 or 3 of each?

16 years ago

In the celsius scale, the difference between the freezing and boiling points of water, at 0 and 100 degrees, is 100 degrees. In the farenheit scale, the freezing point of water is 32 degrees, while the boiling point is 212 degrees, placing the boiling and...

16 years ago

Writeacher, where do you find all these websites?

16 years ago

If iron is mixed with sulphur and heated, a reaction takes place. In the reaction, the iron combines with the sulpher to form something called iron sulphide, which is quite unlike iron or sulpher. For example, a magnet will not stick to it. I copied this...

16 years ago

y = mx+b , that's the equation so we do this 5y = 10-2x 5y = -2x + 10 now we want to get rip of the 5 in the Y so we do -2x / 5 10 / 5 so its -0.4 and 2 so y= -0.4x + 2 get it?

16 years ago

There is a right traingle. The hypotenuse has a value of 200 lb I have to find the two other sides of fx and fy. How do i do that with only one side given.

16 years ago

The shape of the object looks like a right triangle on top of a square. the base is 20 ft, the height from the base to the top of the triangle is 150 lb/ft and the height to the lowest point of the triangle from the base is 75 lb/ft. I got 600 for the are...

16 years ago

So are you saying that for d1 I just put 10 or is that a variable

16 years ago

a) Let p1 be the original price to travel 1 mile. Between 20k and 40k miles, slope (in absolute value) of budget line is p1/1=p1 Between 20k and 40k miles, slope (in absolute value) of budget line is 0.8p1/1=0.8p1. More than 40k miles, slope (in absolute...

15 years ago

typo... The above should read "Suppose that an INSURANCE company offers to insure him at a premium of..."

15 years ago

Im lost is there anyway you can solve this question for me? I know I should try by myself but I get ridiculous answers that defently do not make sense. I know how to solve for Wf which is .5235 and Wi .314159 but then Im lost

15 years ago

MR for the INDUSTRY is: MR=200-(2/5)Q The MC for EACH FIRM is MC=0.1q. The trouble is that the two equations have different context, the MR is for the whole industry, but the MC is for each firm. I am not sure how to bring this to a common footing. How ca...

15 years ago

But I think the Bertrand equilibrium says P=MC (rather than MR=MC). It's a price strategy.

15 years ago

Hi Ms. Sue and Bob, thanks for the previous answers.. I reviewed a little further and found this.. 1)A 2)A 3)C 4)B 5)D 6)D 7)A Are these correct..?

15 years ago

Sorry Ms. Sue, #6 talking about Andrew Johnson

15 years ago

7P+9

14 years ago

Thank you very much for explaining this-I appreciate it alot-I was pretty confused before

13 years ago

How does the existence of Earth’s magnetic field, iron meteorites, and the abundance of iron in the cosmos support the idea that Earth’s core is mostly iron and the outer core is liquid?

13 years ago

How does the existence of Earth’s magnetic field, iron meteorites, and the abundance of iron in the cosmos support the idea that Earth’s core is mostly iron and the outer core is liquid?

13 years ago

So I could say " Escalar montañas es el más divertido" or I could say "Escalar montañas es la divertida de las tres activades" Is that correct? Or I still confused?

13 years ago

Freezing point DT=KF*M mol of glucose 12g/358=0.034mols kf=1.86c/mol SODT=1.86x0.034 =0.06

13 years ago

is 10/6 + 65/6 + 120/6 + 175/6 + 230/6 equal to 100

Because they want student know about their career

11 years ago

Exercise anwers

11 years ago

How can knowing the multiplication properties help you evaluate 5 × (20 × 63)

11 years ago

Thanks !

10 years ago

im sorry what are u taking about

10 years ago

umm idk who u are taking about

10 years ago

What if they are diffrent people !

hey look i need help !

-10kJ because you have to consider the work due the H2 (-6,7kJ) and the work due the O2 produced (-3.3kJ) in the reaction.

9 years ago

-10kJ because you have to consider the work due the H2 (-6,7kJ) and the work due the O2 produced (-3.3kJ) in the reaction.

9 years ago

This is why we have google.

9 years ago

Guys am in deep trouble pls hlp

9 years ago

22.5[39/3m]

9 years ago

Describe the three human rights violations or discriminations you selected and give at least two examples of such violations you found in your research

9 years ago

79 ft

9 years ago

A man walks 8km North and then 5km in a direction East of North find the distance from his starting point.use graphical method and analytical method

8 years ago

First of all, since it's 0.250 M and 50 mL for both reactants, you don't really need to know the equation since both are limiting reactants, but you put that delta H is 57.2 Kj/mol of NaOH. So I'm guessing that NaOH is the other reactant, anyways HCl plus...

8 years ago

Also, I just noticed, the delta H for NaOH is for the standard enthalpy of formation, which is different from the enthalpy change of the reaction. If 57.2 was meant to be the enthalpy change of the reaction, then just convert to J, and substitute 57200J i...

8 years ago

Thanks

8 years ago

So is it 475torr/2L = P2/3L?

8 years ago

Ahh, that makes a lot of sense. Thanks.

8 years ago

I know how to solve it using the ideal gas law, but how do you solve it using the combined gas laws?

8 years ago

Thanks. I see what I did wrong now, the T is 298 K not 273 K.

8 years ago

So why is it 5/3 not 3/5 because P1V1=P2V2 right?

8 years ago

whats the reaction?

8 years ago

For a given right triangle, side a = 400 feet and side b = 900 feet. What is the measure of angle B to the nearest degree?

8 years ago

86.6

7 years ago

C) It could buy and rebuild houses to create jobs.

7 years ago

What the...this is connexus from connections academy!

7 years ago

A garden measures 10m long and 8m wide.A path of width is made all arround the garden.The total area of the garden and thd paths is 168m^2

7 years ago

A garden measures 10m long and 8m wide.A path of width is made all arround the garden.The total area of the garden and thd paths is 168m^2 find thd width of the path.

7 years ago

Row number 2

6 years ago

THE ANSWERS ARE 1.D 2.A 3.B 4.C

6 years ago

Please I need workings

6 years ago

Fraudulent activities

Yeah, you lied, i got a 100%

6 years ago

Local biotic community in nigeria

A brass cube has a volume of 100cm3 at 25 degrees Celsius calculate it's volume at 0 degree Celsius linear expansivity of brass equals 2.0×10-5k-1

5 years ago

Thank you it was correct.

5 years ago

What’s the answer

5 years ago

Disadvantages of cooking vegetables

5 years ago

Ms.Sue there is a little error in your calculations. Square everything on left hand side : 430^2 + 380^2 = x^2 = 184,900 + 144,400 = x^2 Add up left hand side = 329,300 = x^2 Square both side 573.8 = x x = 574km

5 years ago

I need solution not only answers thank you

Here, I assume that the 67 degree angle is between the guy-wire and the pole, otherwise the height of the attachment point at the top of the pole will be ridiculously high: 137 ft x tan67 = 137 x 2.356 =322.7 ft (unrealistic), some giant transmission towe...

4 years ago

u=0 v=? a=2m/s-2 s=9m by using v2=u2+2as,we have v2=zero squared + 2*2m/s-2*9m v2=0+36 v2=36m/s-2 or square root of 36= 6m/s

4 years ago

1) A 2) D

4 years ago

I don't know how to work it out.

4 years ago

e=M.A./V.R.=(L/E)/V.R. e=80% 80/100=(300/E)/6. (Cross multiply) E=30000/480 :E=65.25 Any questions send to this no. Below 08030583848

4 years ago

e=M.A./V.R.=(L/E)/V.R. e=80% 80/100=(300/E)/6. (Cross multiply) E=30000/480 :E=6.25 Any questions send to this no. Below 08030583848

4 years ago