Wednesday
July 1, 2015

Posts by ANONYMOUS


Total # Posts: 82,626

ET 1210 FUNDAMENTALS
IF THE VOLTAGE IS DOUBLED AND THE RESISTOR IS NOT CHANGED, WHAT WILL HAPPEN TO THE CURRENT IN A RESISTIVE CIRCUIT
April 6, 2015

ET1210 DC/AC FUNDAMENTALS
if the resistance is halved and the voltage is not changed, what will happen to the current in resistive circuit?
April 6, 2015

Precal
Solve for x and show the steps 1. 3^(x+1) =9^5x 2. 3^(5x)9^(x^2) =27
April 5, 2015

Precal
Solve for x 9^(x^2) = 3^(-5x-2)
April 5, 2015

physics
A 912 kg drag race car accelerates from rest to 108 km/h in 0.795 s. What change in momentum does the force produce?
April 5, 2015

Math
Thank you
April 5, 2015

Math
Which of the following would best display information in a frequency table that has been divided into categories? A. Bar graph B. Pitograph C. Circle graph D. Histogram Is the answer A? Thank you
April 5, 2015

Math
Oh ok thank you.
April 5, 2015

Math
The mean of a set of four test scores is 85. If three of the test scores are 81,83, and 85, what is the fourth test score? A. 89 B. 87 C. 91 D. 85 Is the answer A? Thank you
April 5, 2015

geography
We can't find the continent closest to 85south and 120 east on the map
April 5, 2015

Math
Thank you Ms. Sue. I try to hurry and post my answers because my computer turns off on its own every 5 minutes.
April 5, 2015

Math
1,000 people were surveyed about the of vehivles they owned. The results are shown in the circle graph below. 42% own a SUV 25% own a Wagon 5% own a Hatchback 25% own a Sedan How many people own a Sedan? A. 2,500 B. 25 C. 3 D.250 Is the answer D? Thank you
April 5, 2015

Math
A back-to-back stem-and-leaf plot showing the points scored be each player on two different basketball teams is shown below. Team 1 | | Team 2 6 1| 0| 3 7 8 4 2| 1|4 6 8 9 9 6 3| 2|5 7 Key: 4|0|2 means 4 points for Team 1 2points for team 2 What is the median number of points ...
April 5, 2015

Precal
Is this correct? y^2/25 + x^2/21 =1 Vertices: (5,0),(-5,0) Foci: (0,2),(0,-2)
April 5, 2015

Math
Sorry here is the rest 5|6 6|5 7 7|2 8|5 8 9 9|6 7 10|4 11|3 Is the answer A? Thank you
April 5, 2015

Math
Which stem-and-leaf plot represents the data set below? 56,65,67,72,85,88,89,96,97,104,113 A. 5|6 6|5 7 7|2 8|5 8 9 9|6 7 1|04 1|113 B. 5|6 6|5 7 7|2 8|5 8 9 9|6 7 1| 0 4 1| 1 3 c. 5|6 6|5 6 7 7|2 8|5 9 9|6 7 8 10|4 11|3
April 5, 2015

physics
Thank you :)
April 5, 2015

Math
What are the mean, median, mode, and range of the data set 18,19,20,21,23,26,26,26? A. Mean=22.4; Median=22; Mode=26 B. Mean=22.4; Median=26; Mode=22 C. Mean=26; Median=22.4; Mode=24 D. Mean=23.4; Median=22; Mode=26 Is the answer A? Thank you for your help
April 5, 2015

english
Phantom of the Opera. What are some actions of Erik that show horror? What are some actions of Erik that show romance
April 5, 2015

science
When the metal sample reacts with acid, the gas evolved will be collected over water; the gas is said to be "wet". What is the composition of the wet gas? How can the partial pressure of hydrogen be obtained from the total pressure of wet gas? From where will you ...
April 5, 2015

Pschology 202
True or False? Exercise not only reduces the risk of stroke, osteoporosis, and diabetes, but it also improves overall mental health, reduces stress and depression, and increases happiness. (Points : 1) True False
April 5, 2015

physical
In1911 ernest rutherford
April 5, 2015

chemistry
A thermally activated process (a reaction) takes four minutes at 816oC. How long will it take (in minutes) at 707oC if the activation energy is 150 kJ/mol? What is the % ionicity of the bond B_I&B_F?
April 5, 2015

physics
You are riding your bike and the tire has a radius of 0.33 m and mass 1.5 kg rotating at 98.7 rad/s. You just notice you are just seconds to riding off a cliff what torque will you need to stop the tire in 2.0 s before you find yourself at the bottom of a 1000 m cliff. New ...
April 5, 2015

maths
how do I calculate the minimum or maximum value of the missing side of a triangle with the other sides measuring 7cm and 15. cm ?
April 5, 2015

Math
The equation of the line a is y = -2x + 5. Find the equation of the image of line a after a dilation centered at the origin with scale factor 2. -4x + 10?
April 4, 2015

sociology
why is it impotrant for social workers to document essential and relavent details about their client
April 4, 2015

School
What are some examples of school problems that student council can fix? Like unhealthy cafeteria food and too much homework.
April 4, 2015

Geometry help
1. If a square has a radius of twelve, would its apothem be 6sqrt2? What will its area be? How would I solve it? 2. If triangle has a radius of 12, would its apothem be 7sqrt3? How would I find the area? 3. How would I find the area of a hexagon if it's apothem is 7sqrt3?
April 4, 2015

Trigonometry
hf=hi-1/2 g t^2 so what is t? t=horizontal distance/horizonal velocity solve for hf.
April 4, 2015

Physics
initial KE=1/2 k x^2 then, ke at bottom of plane=initial-friction 1/2 m vb^2-1/2 kx^2-mg*mu*.377 find vb for part a. Then KE at top=KEbottom-mgh-friction KE top=1/2 m vb^2-mg*distance*sin30-mg*mu*distance. solve for v at the top.
April 4, 2015

physics
use the distance equation to find the distance. for magnitude of force, coulomb'slaw.
April 4, 2015

Physics
you have to calculte velocity. Use Bernoulli's equation. Then, knowing the velocity, it is a ballistic equation. Have you had the Area1*Velocity1=area2*Velocity2 (the law of continuity). in your case, area 2=.2 Area1
April 4, 2015

Physics
work=force*distance=12*.4*15
April 4, 2015

Sports
What are some good disciplinary enforcements for sports teams? Say for instance, like a dance team? I need help!!
April 4, 2015

where would the commas be
kamil is the only person who listens intently to professor tams long boring history lectures
April 4, 2015

chemistry ap
My balanced eq is 2Al + 6HCl - 2AlCl3 +3H2 so moles of H2 at STP will be 3x22.4 right?
April 3, 2015

chemistry
Solid iron(III) hydroxide decomposes to produce iron(III) oxide and water vapor. 1.09 L of water vapor is produced at STP. How much iron(III) hydroxide was used? in g.
April 3, 2015

chemistry
3.58 gram sample of an unknown gas is found to occupy a volume of 2.37 L at a pressure of 808 mm Hg and a temperature of 60 oC. What is the molecular weight?
April 3, 2015

social studies
Andrew Jackson's specie circular of 1836 stipulated that after August 15 only _______ would be accepted in payment for public lands. A. gold B. gold and silver C. special banknotes D. silver
April 3, 2015

Chemistry
Can someone help me with this question? Calculate the work for each of the following processes beginning with a gas sample in a piston assembly with T=305 K, P=1.79 atm, and V=4.29 (a) irreversible expensing against a constant external pressure of 1.00 atm to a final volume of...
April 3, 2015

Maths
Here is a list of what you need to make 20 buns: - 100g butter - 150g flour - 200g sugar - 4 eggs Work out what you need to make 30 buns Please help. Thank you x
April 3, 2015

calculus
A rectangular area is to be enclosed and divided into thirds. The family has $400 to spend for the fencing material. The outside fence costs $10 per running foot installed, and the dividers cost $20 per running foot installed. What are the dimensions that will maximize the ...
April 3, 2015

Art
Was it C??
April 3, 2015

Art
This painting is called "Girl in a Southern German Folk Costume" 1. How did the designers of this German folk dress use the principles of art? A. The designer repeats colors throughout the apron to create unity B. The designer uses different colors to create ...
April 3, 2015

chemistry
If a solution is made 0.080 M in Mg(NO3)2, 0.075 M in aqueous ammonia, and 3.5 M in NH4NO3, will Mg(OH)2 precipitate? What is the pH of this solution?
April 3, 2015

math
If y varies inversely as x, and y = 12 when x = 6, what is K, the variation constant? A. 1⁄3 C. 72 B. 2 D. 144
April 2, 2015

Math
You work 40 hours/week for 52 weeks and are given the option to be paid hourly or to go on salary. In which situation will you earn the most? • $30,000/year • $15.00/hour • $30,000/year with a 10% bonus • $15.00/hour and a $2,000 bonus at the end of the year
April 2, 2015

math
please help
April 2, 2015

math
Rich gave her his 1/6 after he received her 1/4. Please help
April 2, 2015

Math
For question 10 here: hs.lindenwold.k12.nj.us/ourpages/auto/2009/6/5/49719605/Chapter%2012%20Review.rtf I have these answer choices: a. glide reflection symmetry b. no symmetry c. glide reflection and translation symmetry d. translation symmetry Is answer C correct?
April 2, 2015

Science
State how matter moves through the biosphere. State how energy moves through the biosphere. Explain each statement using examples to illustrate your explanation.
April 2, 2015

algebra
A train leaves Buffalo traveling west at 60 miles per hour. An hour later, another train leaves Buffalo traveling east at 80 miles per hour. When are the two trains the same distance from Buffalo? Show the equation you use.
April 2, 2015

Algebra help Will only take a minute
5 • 3ⁿ a.15,30,45,60 b.5,15,45,135 c.0,15,45,135 d.15,45,135,405 Thanks!
April 2, 2015

math
The sum of two numbers is 33. The sum of the smaller and 3 times the larger is 81. Find the numbers.
April 2, 2015

cda
C
April 2, 2015

Math
2x^5-4x^4-6x,x^5+x^4-3x^3-3x^2
April 2, 2015

Social Studies
If question 1 is about DURING the War, your answer is wrong. All the others seem to be correct.
April 2, 2015

Social Studies
If question 1 is about DURING the War, your answer is wrong. All the others seem to be correct.
April 2, 2015

Social Studies
If question 1 is about DURING the War, your answer is wrong. All the others seem to be correct.
April 2, 2015

Physics
How are lights in schools usually wired... Series or parallel circuits?
April 2, 2015

MATH
.In <ABC, <A=60,<B=70,<C=50. Points D , E ,F are the mid-pointsmof the sides BC ,AC and AB respectively. Find the measures of the angles of the triangle formed by joining the mid-points of the sides of <ABC.
April 2, 2015

MATHS
In the given figure, O is the center of the circle and <AOB=110degree find the value of XYZ.
April 2, 2015

Calculus
Use implicit differentiation to differentiate y=x^(8/37), by writing it as y^37=x^8. Express your answer only in terms of x.
April 2, 2015

Algebra
Thanks for trying to help. The answer was (3t^1/2+5)(3t^1/2 -5).
April 1, 2015

calc
Gravel is being dumped from a conveyor belt at a rate of 30 ft3/min. It forms a pile in the shape of a right circular cone whose base diameter and height are always the same. How fast is the height of the pile increasing when the pile is 21 ft high?
April 1, 2015

calculus
Oil spilled from a ruptured tanker spreads in a circle whose area increases at a constant rate of 7.5 mi2/hr. How rapidly is radius of the spill increasing when the area is 10 mi^2?
April 1, 2015

Calculus
Use implicit differentiation to differentiate y=x8/37, by writing it as y37=x8. Express your answer only in terms of x.
April 1, 2015

chemistry
Aqueous hydrobromic acid will react with solid sodium hydroxide to produce aqueous sodium bromide and liquid water . Suppose 4.05 g of hydrobromic acid is mixed with 0.86 g of sodium hydroxide. Calculate the maximum mass of water that could be produced by the chemical reaction...
April 1, 2015

Chemistry
What would be the procedure for titrating a beverage to determine the concemtration of weak acid? What reagents would be needed? What appropiate measurements and observations must be made?
April 1, 2015

geometry
cc
April 1, 2015

Algebra II
Logarithms The brightness of an astronomical object is called its magnitude. A decrease of five magnitudes increases the brightness exactly 100 times. The sun is magnitude -26.7, and the full moon is magnitude -12.5. The sun is about how many times brighter than the moon?
April 1, 2015

Art
I think C! but im not sure! please help!
April 1, 2015

physics
For a) you have to integrate the linear mass density equation, then solve for the length given. ans=.0204 kg I still haven't figured out b
April 1, 2015

Reed
Thank You thank You so much! I will fix them! Thanks!!!!!!!!!!!!!!!
April 1, 2015

Reed
Hey Reed u told me u will check my essay and u didn't check it so i posting in this post! PLZ remove the last post which was Yesterday cause I posted my essay there and after u check let me know. Plz don't remove this until I reply so I can see ur reply! Thanks a bunch...
April 1, 2015

exponential equations
The City of South Bay has a current population of 85 000. If the city is increasing at a rate of 7.25% per year, calculate the future population in 8 years time. Round to the nearest person.
April 1, 2015

maths please help and explain
1.simplify with the aid of a calculator Keys: " =degrees sin21"40^1+cos23"50^1
April 1, 2015

Chemistry
Can someone work this out so I can understand it better?
April 1, 2015

math help needed bad
Thank you for your help Ms. Sue.
April 1, 2015

math help needed bad
So thats all to it?
April 1, 2015

Algebra Please Help
How would I do that?
April 1, 2015

Algebra Please Help
Complete the table for the given function. x| y = x^2 + (-3) 0| 1| 2| 3| A. -3, -2, 1, 6 C. 3, 4, 7, 12 C. 0, 1, 4, 9 D. none of the above Thanks!
April 1, 2015

chemistry
B. How many moles of NaOH were delivered? C. How many Moles of weak acid were present in the solution? D. Calculate the molarity of the unknown weak acid solution Can you help me solve those problems as well.
April 1, 2015

Economics
Given a demand fxn of 20-2P and a supply fxn of -4+P for a perf. competitive market: 1. Calculate the equilibrium price and qty. (I got e. price = 4 and e. qty = 8 is that right?) 2. Calculate producer surplus, consumer surplus. (i got 8 and 4) 3. if the market becomes a ...
April 1, 2015

Exponential Equations
The Bruce’s purchased $2500 worth of GIC’s. How long, t, will it take for the investment to increase to $3500, if the interest rate is 2.75%. T= 3500/2000 =1.4 t= 1.4/1+0.0275 What do I do from here
April 1, 2015

writing skills
if comment is culturally insensitive it's one that may be considered to certain groups or cultures
April 1, 2015

Exponential Equations
The Bruce’s purchased $2500 worth of GIC’s. How long, t, will it take for the investment to increase to $3500, if the interest rate is 2.75%. What is the Fv and Pv
April 1, 2015

chemistry
11.0kJ
April 1, 2015

SCHOOL
SHOOL IS NOT FUN!!!!!! ..... Jk.... April Fools!!!! Have a good day everyone and please don't use jiskha to cheat. Just use it to check your answers! :)
April 1, 2015

Math
Find all the possible values of the expression. sin^-1 -(square root3/2) Ans: 4π/3 + (2π)n 5π/3 + (2π)n
April 1, 2015

Finance - Loans problem
Reiny the answer 307.33 you posted at the bottom is coming up incorrect. please if you can help i would be very grateful. A company borrows $170000, which will be paid back to the lender in one payment at the end of 5 years. The company agrees to pay monthly interest payments ...
April 1, 2015

Chem
How many grams of ice at 0°C and 101.3 kPa (standard pressure) could be melted by the addition of 0.80 kJ of heat?
March 31, 2015

science
a racer in a kayak travels a 300-meter river course at an average speed of 3 meters per second. how long does it take to complete the course?
March 31, 2015

statistics
A brewery's filling machine is adjusted to fill bottles with a mean of 31.9 oz. of ale and a variance of 0.004. Periodically, a bottle is checked and the amount of ale noted. (a) Assuming the amount of fill is normally distributed, what is the probability that the next ...
March 31, 2015

Finance - Loans problem
Can someone please explain how this problem is laid out to solve.A company borrows $170000, which will be paid back to the lender in one payment at the end of 5 years. The company agrees to pay monthly interest payments at the nominal annual rate of 7% compounded monthly. At ...
March 31, 2015

Finance - Loans problem
Please If you can. 307.33 is coming up as the wrong answer.
March 31, 2015

Finance - Loans problem
A company borrows $170000, which will be paid back to the lender in one payment at the end of 5 years. The company agrees to pay monthly interest payments at the nominal annual rate of 7% compounded monthly. At the same time the company sets up a sinking fund in order to repay...
March 31, 2015

statistics
What is the difference between alpha level and critical values?? Does the alpha level just help determine the critical value?
March 31, 2015

AP Exams?
I am in AP Chemistry and AP U.S Hisotry and I have planned on taking the tests. So far I have made an A+ in APUSH, but I an B in AP Chem. I've done kinda bad on the tests I've taken in there and I don't think I will do good on the Ap exam. I think I have a better ...
March 31, 2015

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