Sunday
July 24, 2016

Posts by Chris

Total # Posts: 2,582

Math
Are you sure this is right,someone told me since to get magmitude of the second i have to multiply 27 by first earthquake which is 3.2 27(3.2)=84 Im confused
January 2, 2016

Math
Ok,thanks!
January 2, 2016

Math
solve for x using logarithms round your answer to four decimal places. a)2^2x+3=80
January 2, 2016

Math
So i guess my answer is acceptable right :)
January 2, 2016

Math
For a)
January 2, 2016

Math
Okay i was wondering because some people told me the answer is log(f(x))=2xlog(3)
January 2, 2016

Math
I don't if I'm right for these two questions i just need a check if I'm right,if I'm wrong please show me how to get that answer. Rewrite the following exponential functions as logarithmic functions a)f(x)=9^x ans:f(x) Log^-1(xlog(9)) b)f(x)=(7/8)^x ans:log^-1(...
January 2, 2016

Math Logarithmic Question
Solve for all possible values of x within the domain of the following logarithmic expressions. a)logx+log2=log7−log3
January 1, 2016

Math
Logrithmetic Problem question Last week there was an earthquake that measured as a magnitude of 3.2 on the Richter scale. Today you hear on the radio that there was a second earthquake that was 27 times more intense than the first. What was the magnitude of the second ...
January 1, 2016

Math
Exponetial Functions In the following exponential relations, solve for x using logarithms. Round your answers to 4 decimal places. a) 5^3x=65 b) 2^2x+3=80
January 1, 2016

Math
error i mean f(x)=(2)^x-7
December 31, 2015

Math
For the following function, state: i. the domain and range ii. the y-intercept, and iii. the horizontal asymptote f(x)=(2)x−7
December 31, 2015

Math
Describe the Transformations For Each Function a)f(x)=3sin(1/2x+pi/2)+1 b)-1/3cos(2x-pi)-2
December 25, 2015

Math
The temperature, throughout the year, in a particular town can be graphed using trigonometric functions. On July 24th, the hottest day of the year, the temperature is 27 degrees Celsius. On Jan. 24th, the coldest day of the year, the temperature is -11 degrees Celsius. ...
December 22, 2015

Trignometric Functions
The temperature, throughout the year, in a particular town can be graphed using trigonometric functions. On July 24th, the hottest day of the year, the temperature is 27 degrees Celsius. On Jan. 24th, the coldest day of the year, the temperature is -11 degrees Celsius. ...
December 22, 2015

math
You put $1,000 into a savings account today that offers a 5% APR with semi-annual compounding (i.e., two times per year).
December 22, 2015

math
What is the effective annual rate on the loan? (I.e., what is the interest rate once we take into account compounding?)
December 21, 2015

math
$400,000 for 30-years at a fixed APR of 3.87%. The loan payments are monthly and interest is compounded monthly.
December 21, 2015

Math
For a stat class the mean of the midterm is 75 with a standard deviation of 7. What percentage of students scored between 67 and 83
December 21, 2015

Marketing
We want to advertise a service that we can use the phrase "Save 40! Either % or $ - You Choose. What would the retail amount of that service be if the amount of savings in dollars were 40 and the percent savings were 40? Assume zero cost. List price and sell price would ...
December 16, 2015

physics
A golf ball is dropped from rest from a height of 8.30 m. It hits the pavement, then bounces back up, rising just 5.00 m before falling back down again. A boy then catches the ball when it is 1.10 m above the pavement. Ignoring air resistance, calculate the total amount of ...
December 16, 2015

physics
A model rocket blasts off from the ground, rising straight upward with a constant acceleration that has a magnitude of 90.3 m/s2 for 1.75 seconds, at which point its fuel abruptly runs out. Air resistance has no effect on its flight. What maximum altitude (above the ground) ...
December 16, 2015

physics
A golfer rides in a golf cart at an average speed of 3.93 m/s for 43.3 s. She then gets out of the cart and starts walking at an average speed of 1.13 m/s. For how long (in seconds) must she walk if her average speed for the entire trip, riding and walking, is 1.99 m/s?
December 16, 2015

physics
A projectile is launched from and returns to ground level, as the figure shows. There is no air resistance. The horizontal range of the projectile is measured to be R= 166 m, and the horizontal component of the launch velocity is v0x = 26.0 m/s. Find the vertical component v0y...
December 16, 2015

physics
Traveling at a speed of 16.5 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.590. What is the speed of the automobile after 1.35 s have elapsed? Ignore the effects of...
December 16, 2015

Business Math
Mortgage lenders base the mortgage interest rate they offer you on your credit rating. This makes it financially critical to maintain a credit score of 700 or higher. How much more interest would you pay on a $193,000 home if you put 20% down and financed the remaining with a ...
November 29, 2015

math
if 75 widgets are processed in 3.5 hours by 1 person, how long will it take to process 1650 widgets using 9 people.
November 23, 2015

algebra
No. 2 alyssa has some coins in her purse consisting of pennies, nickels and dimes. She has 2 more nickels than dimes and thrice as many pennies as nickels. If the total is 0.52 dollars how many coins of each kind does she have.
November 20, 2015

Math
△ = Triangle If △ABC is similar to △DEF, and angle A is 62 degrees, angle B is 13 degrees, find the measure of angle F. (Also I don't want just the answer, I also want to know how to actually do it so I will know how to do this.)
November 17, 2015

Physics 1
A car manufacturer claims that you can drive its new vehicle across a hill with a 47 degree slope before the vehicle starts to tip. If the vehicle is 2.0 meter wide, how high is its center of gravity?
November 15, 2015

Triganometry
To measure a stone face carved on the side of a mountain, two sightings 407 feet from the base of the mountain are taken. If the angle of elevation to the bottom of the face is 36 degrees and the angle of elevation to the top of the face is 67 degrees, what is the height of ...
November 13, 2015

MATH HELP
What types of numbers are these (Natural, Whole, Integer, Rational, Irrational or Real) 1. 0.020220222 2. 4.4/1.1 3. ãã169 4. -3.222 5. 1.3131313... 6. 5.2/.13 7. 5.1011011101110... 8. 6pi/5pi 9. 45pi/9 10. ã-9 Thanks for the help
November 11, 2015

Math
A bag contains 9 red marbles, 8 white marbles, and 6 blue marbles. You draw 4 marbles out at random, without replacement. What is the probability that all the marbles are red? What is the probability that exactly two of the marbles are red? The probability that exactly two of ...
November 11, 2015

Math
A bag contains 9 red marbles, 8 white marbles, and 6 blue marbles. You draw 4 marbles out at random, without replacement. What is the probability that all the marbles are red? 1 The probability that all the marbles are red is...? 2 What is the probability that exactly two of ...
November 10, 2015

5th grade math
12/3+1/6 =24+1/6 =25/6
November 9, 2015

math
I'm having trouble setting this one up. The one I'm trying to figure out how to lay out in an equation is Roberto invested some money at 7%, and then invested $5000 more than twice this amount at 9%. His total annual income from the two investments was $3700. How much ...
November 9, 2015

physics
A force is applied to a 2.9 kg mass and produces 2.7 m/s 2 acceleration. What acceleration would be produced by the same force applied to a 6.2 kg mass? Answer in units of m/s 2 .
November 8, 2015

Math
were there parenthesis involved in this question?
November 5, 2015

Math
$3.47
November 5, 2015

Chemistry
How many grams of ethanol, C2H5OH, can be boiled with 343.0 kJ of heat energy? The molar heat of vaporization of ethanol is 38.6 kJ/mol I'm not sure how I am supposed to set this problem up. Can someone help me, please?
November 5, 2015

math
the 5 ends up in the ones place (5.781203)
November 5, 2015

Math
6x2,6x20,and 6x200
November 2, 2015

mars hill. Math
how do I find the volume of a rectangular box that has a base of 50 in.² and the height of 12 inches
October 29, 2015

physics
a truck beneath an airplane that is moving 180 km/h at an angle of 47 to the ground. How fast must the truck travelto stay beneath the airplane? Answer in units of km/h.
October 28, 2015

math
y= 3x+ 9
October 28, 2015

Federal polytechnic, oko
What force would be required to accelerate an electron mass of 0.009kg from rest to a velocity of 104m/s in 10 seconds.
October 27, 2015

Physics
A tightrope walker wonders if her rope is safe. Her mass is 60 kg and the length of the rope is about 20 m. The rope will break if its tension exceeds 7500 N. What is the smallest angle at which the rope can bend up from the horizontal on either side of her to avoid breaking? ...
October 26, 2015

Math
It has four side and all opposite side are parallel and has no right angles
October 26, 2015

BUSINESS MATH
8 is what percent of 69? (Round to the nearest hundredth percent as needed.
October 23, 2015

Language Arts
@Ms.Sue can you help me with number 3
October 23, 2015

Language Arts
Thanks
October 23, 2015

Language Arts
@Ms.Sue
October 23, 2015

Language Arts
2. Which of the following best describes the effect of beginning "Always to remember" with a description of the memorial competition? A. this technique keeps the essay from being autobiography or fiction. B. this tactic gives background for the importance of lin'...
October 23, 2015

S.S
Thanks Ms.Sue (:
October 23, 2015

S.S
Which of the following would describe how loyalists land was redistributed in Georgia? A. land was given to the indians who helped the patriots. B. land was given in bounty grants to soldiers for their advice. C. a lottery was held to grant land. D. land was confiscated to ...
October 23, 2015

Chemistry
a) CuO(s) + C(s) => Cu(s) + CO(g) b) 2 NaOH (conc) + Pb(CH3COO)2(aq) = Pb(OH)2(s) + 2 C2H3NaO2(l)
October 23, 2015

math
Peter sold watches ($7) and necklaces ($4) at a flea market. Total sales were $300. People bought 3 times as many watches as necklaces. How many of each did Peter sell? What were the total dollar sales of each?
October 21, 2015

chemistry
Calculate the volume, in milliliters, of a 0.290 M LiOH solution that will completely neutralize each of the following: a. 40.0 mL of a 0.130 M H3PO4 solution b. 24.5 mL of a 0.535 M H2SO4 solution
October 20, 2015

Math
Of rug has a length that is two times its width. The area of the rug is 8 square feet. What is the length And width of the rug?
October 20, 2015

Civics
You begin traveling south from Madison,Wisconsin.Which of the following capital cities would you reach first.
October 19, 2015

forensic science
if handwriting evidence was not yet considered to be considered to be scientific evidence at the time of united states v. starzecypzel,how was it admissible as reliable evidence
October 11, 2015

Finance/370
How do i deteremine the internal rate of return of a problem. Lets say a company is justt starting and they need an initial outlay of $105,000 and will generate a net cash inflows of 19,000 per year for 9 years. A) If the discount rate is 8 % then what is the NPR? (I ...
October 11, 2015

chemistry
What is the mass of a liquid that has q volume of 2.5L and a density of 3g/cm cubbed? I got 7.5, but I am unsure if I should have converted L to mL
September 23, 2015

Physics
You shoot an arrow straight ahead; it leaves your bow moving parallel to the ground. You find it embedded in the ground 50m away from where you shot it. It makes an 82 degree angle with the level ground , reflecting the direction it was traveling at the time it hit. How fast ...
September 21, 2015

Lifespan Development
What are some theories, models, and constructs that might influence my perspective on facilitating a counseling session/encounter.
September 20, 2015

english
Most of the time, the ____ struggles against the main character in a story. A) protagonist B) antagonist C) flat character D) round character
September 18, 2015

Math
are you ok
September 16, 2015

calculus ab
Use a graphing utility to graph the function and visually estimate the linits h(x)= -x^2 + 4x
September 11, 2015

Physics
A small turtle moves at a speed of 186 furlongs per fortnight. Find the speed of the turtle in centimeters per second. Note: 1 furlong = 220 yards, 1 yard = .9144 meters, and 1 fortnight = 14 days.
September 8, 2015

history
Power of pope over church
September 7, 2015

english
which are state-of-being verbs in following sentences: "While he was biking this morning, Zach had seen a small accident. A huge SUV ran a red light, and the oncoming sedan was unable to stop. Driving on Portland’s narrow streets was dangerous and expensive. The ...
September 1, 2015

L.O.
Bad road use has a direct impact on the emotional
August 20, 2015

L.O.
What are the bad road use on the physical community?
August 20, 2015

MLA citation
my test results said D was wrong
July 28, 2015

Chemistry
So my answer should be something around: When writing the name of an ionic compound containing a cation with more than one oxidation state, use the cation name and write the charge of the cation in roman numerals. For example, when writing out FeSO4, it would come out as iron...
July 7, 2015

Chemistry
Explain the basic format and the steps needed to name an ionic compound composed of a cation that has a possibility of existing in more than one oxidation state. Is this right: There are four prefixes used when naming ionic compounds: per__ate, -ate, -ite, and hypo__ite. ...
July 7, 2015

fundamentals of law for health information
what risks does the hospital assume when it takes a case to trial?
June 11, 2015

math
A textbook search committee is considering 20 books for possible adoption. The committee has decided to select 5 of the 20 for future consideration. In how many ways can it do so?
May 30, 2015

math
what is 3.4 as a whole number?
May 18, 2015

math
i had a quiz and that answer wasnt one of them the question was if ryan ran 3.4 miles in 30 minutes at the gym. if he goes to the gym each day for a week and runs the same distance each time how many miles will ryan have run?? the only multiple choice is 23.4 34 3.41
May 18, 2015

math
thats what i did but it is wrong i got 23.8
May 18, 2015

math
if a kid ran 3.4 miles in 30 minutes at the gym and he goes everyday for a week at the same distance how many miles will he have run?
May 18, 2015

Chem
Consider the reaction: A(g)⇌2B(g) Find the equilibrium partial pressures of A and B for each of the different values of Kp. Assume that the initial partial pressure of B in each case is 1.0 atm and that the initial partial pressure of A is 0.0 atm. Make any appropriate ...
May 15, 2015

Chemistry
From your Dilution Data in the procedure 3 and 4, calculate the initial concentration of Fe3+ (aq) ion for tubes 2-5. 1. Add 5.00ml of 1.00 x10^-3 M KSCN to all tubes. 2. To test tube 1 add 5 ml of 0.200M Fe(NO3)3. 3. Measure 8.00ml of 0.200M Fe(NO3)3 into 25.0ml cylinder. ...
May 13, 2015

Physics
If the current in a wire of a CD player is 1.10 mA, how long would it take for 3.40 C of charge to pass a point in this wire?physi
April 30, 2015

Physics
Two electrostatic point charges of +60.0 μC and +57.0 μC exert a repulsive force on each other of 161 N. What is the distance between the two charges? The value of the Coulomb constant is 8.98755 × 109 N · m2/C2. Answer in units of m.
April 30, 2015

5th grade math
Jeff put small box that is 12 inches long, 8 inches wide, and 4 inches tall inside a box that's 20 inches long, 15 inches wide, and 9 inches high. How much space is left in the larger box?
April 30, 2015

Physics
An X-ray tube used for cancer therapy oper- ates at 8.8 MV with a beam current of 19 mA striking a metal target. Calculate the power of this beam.
April 30, 2015

Physics
A net charge of 73 mC passes through the cross-sectional area of a wire in 9 s . What is the current in the wire? The fun- damental charge is 1.602 × 10−19 C.
April 30, 2015

Calculus
Find the area of the largest rectangle that fits inside a semicircle of radius 10 (one side of the rectangle is along the diameter of the semicircle).
April 28, 2015

Analytical Chemistry
DrBob222, thank you for the help!
April 27, 2015

Analytical Chemistry
Any help/advice on answering this question would be a big help! :) The analysis of lead (Pb) in a sample of solder was carried out using atomic absorption spectroscopy as follows. 1.013 g of solder was completely dissolved in a small volume of nitric acid and the solution made...
April 27, 2015

MATH
Abby, Betty, Cassie, and Dale need to cross the river on a boat. The boat only fits at most two people. If two people go over one must bring it back for the others. Abby takes 1 min., Betty 2 min., Cassie takes 5 min., and Dale takes 10 min.. The time it takes is based on the ...
April 27, 2015

physics
A body oscillates with simple harmonic motion along the x axis. Its displacement varies with time according to the equation x =5sin πt + π 3( ). The velocity of the body at t = 1.0 s is (-8 m sec )
April 25, 2015

physics
If the current in a wire of a CD player is 1.10 mA, how long would it take for 3.40 C of charge to pass a point in this wire?
April 24, 2015

physics
A net charge of 73 mC passes through the cross-sectional area of a wire in 9 s. What is the current in the wire? The fundamental charge is 1.602 × 10−19 C.
April 24, 2015

math
suppose maya made another sign with an area of 48 square inches. would this sign be larger or smaller than the sign with an area of 48 square centimeters? explain how you know
April 22, 2015

physics
A balloon rubbed against denim gains a charge of −5.0 µC. What is the electric force between the balloon and the denim when the two are separated by a distance of 3.0 cm? (Assume that the charges are located at a point.) The value of the Coulomb constant is 8.98755...
April 22, 2015

Maths
Thank you!!
April 18, 2015

Maths
find the nth term and write an equation to express 4,36,100,196,324 so far I've got 32(n-1) + 4 but it only works for the first two . . .
April 18, 2015

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