# Micheal

Newest questions and responses by Micheal-
## math

a girl spent 1/4 of her money on taxi fare and 2/3 of the remaining on drink. what original amount of money was (a) spent (b) left

*asked on June 23, 2018* -
## Math

The graph of an inverse trigonometric function passes through the point (1, pi/2). Which of the following could be the equation of the graph? Y=cos^-1 x Y=cot^-1 x Y=sin^-1 x Y=tan^-1 x

*asked on March 8, 2018* -
## Trigonometry

The function in the graph has the general equation f(x)=asin(bx+c)+d. Which of the following values are correct? Select all that apply d=-3 C=-1 B=0.5 B=0.5 D=1 A=2 B=2

*asked on March 7, 2018* -
## Calculus

Several math students are taking a break from their studies by visiting a playground. One student pushes the others on a merry-go-round. The diameter of the merry-go-round is 3.0 m, and the student pushes with a force of 50 N along the purple vector shown

*asked on July 7, 2017* -
## Math

The half life of plutonium is 250 years. If the starting mass is 750g find; An equation that models the mass of plutonium P(t) for t years from now. And find the amount of time required to reduce the plutonium to 200g

*asked on June 3, 2017* -
## S.S.

Which location did not serve as the headquarters for Louisiana's government during the Civil War? a. Baton Rouge b. New Orleans c. Opelousas d. Shreveport I think the answer is c. What do you think?

*asked on February 8, 2017* -
## Math

Mike and Jennifer are preparing for a race. On Friday, Mike ran for 3 2/5 hours and Jennifer ran for 4 3/4 hours. How much longer did Jennifer run (in minutes)? I know that 3 hours= 180 mins 4 hours = 240 mins But I'm not sure what the fractions would be,

*asked on February 2, 2017* -
## physics

Specific heat capacity of a certain metal is found by heating the metal and then placing it into water which is in a container made of the same material. The metal has mass of 100g and is heated to 100 degrees celsius. The container has mass of 200g and

*asked on November 22, 2016* -
## Physics

A 1500kg car traveling at a steady speed of 20 m/s initially due northwest round a corner so that after 10s, it is traveling due northeast. What is the magnitude and direction of the net force that must be acting on the car at the instant it is traveling

*asked on October 24, 2016* -
## Science

In a home's central heating system when the room temperature measured by thermostat reaches a set value, the thermostat sends a message to the heater, and the heater switches off. These actions are an example of: A. a model. B. feedback. C. input. D. A

*asked on September 20, 2016* -
## math

Ten years ago,father was twelve times as old as his son and ten years from now,he will be twice as old as his son. Find the present age

*asked on June 5, 2016* -
## Math

Explain how the area of a parallelogram is related to the area of a triangle when both figures have the same base and height

*asked on May 6, 2016* -
## Math/Precal

i would like help for x with the equation: 2(3^x)=5

*asked on April 21, 2016* -
## Math

The function y = 6 + 1.25x can be used to find the cost of joining an online music club and buying x songs from the website. Based on this information, which statement about the graph of this situation is true? F. The y-intercept of the graph represents

*asked on February 17, 2016* -
## Chemistry

A car travels at 28 miles per gallon. How many kilometers will it travel per liter of gasoline?

*asked on January 25, 2016* -
## Algebra II, part 2

Part 2 of homework set. 6. Solve the quadratic using the quadratic formula. 2x^2+5x+9=0 7. Find the discriminant. Then determine the number and types of solutions. 2x^2+3x-18=0 8. Simplify Root -27 9. Simplify 8/(3+2i)

*asked on November 24, 2015* -
## Physics

3.A brown flower pot is dropped from an open window from the top floor of a brick apartment building on a Sunday afternoon in April. It fell 3.00 seconds before crashing into multiple pieces on the wet sidewalk below. How far did the flower pot fall?

*asked on November 18, 2015* -
## Physics

2.An airplane flies north at a constant speed of 220 km/h. How far will the plane travel in 3.50 h?

*asked on November 18, 2015* -
## Physics

3.A brown flower pot is dropped from an open window from the top floor of a brick apartment building on a Sunday afternoon in April. It fell 3.00 seconds before crashing into multiple pieces on the wet sidewalk below. How far did the flower pot fall?

*asked on November 18, 2015* -
## physics

the first law of thermodynamics can be expressed with the equation ΔU=ΔQ+ΔW where ΔU is the change of internal energy,ΔQ is the heat supplied to the system. Apply the first law to the brakes of a train as the brakes are applied and the train

*asked on July 2, 2015* -
## Electrolysis

A current of 1.2A was passed through an electrolytic cell containing dilute Tetraoxosulphate(VI) for 40minutes. Calculate the volume of gas produced at s.t.p.

*asked on June 16, 2015* -
## statistics

1. Suppose the estimate of a proportion of a normal population is to be within 0.05 using the 95% confidence level. How large a sample is required if: a. It is known from previous studies that p = 0.3? b. There is no prior knowledge of p? 2. Each of the

*asked on March 31, 2015* -
## math

The temperature outside was 3 degrees Fahrenheit at midnight. During the next hour the temperature fell 7 degrees. What was the temperature at 1 A.M. Can u explain to me how to do it please

*asked on January 12, 2015* -
## Taxtation

Another client, Ms. Dunham, has asked you to help her understand how her tax is computed. You need to provide Ms. Dunham with the following: An example of how to calculate the tax liability using the tax rate table and the tax rate formula for a taxpayer

*asked on October 15, 2014* -
## Physics

Two blocks of masses m1 = 4.4 kg and m2 = 4.8 kg are connected by a string as shown in the figure above. Block 1 moves at a constant velocity down the incline 30 degrees) block two is not at incline it is straight. they are attached with a string. a) Find

*asked on July 13, 2014* -
## Physics

Two blocks of masses m1 = 4.4 kg and m2 = 4.8 kg are connected by a string as shown in the figure above. Block 1 moves at a constant velocity down the incline 30 degrees) block two is not at incline it is straight. they are attached with a string. a) Find

*asked on July 13, 2014* -
## econ

This chart shows the components of nominal GDP for the years 2000 and 2001. All figures are in billions of current dollars. Components 2000 2001 Consumption $6,684 $6,987 Investment $1,755 $1,560 GovernmentSpending $1,751 $1,858 Exports $1,101 $1,034

*asked on April 7, 2014* -
## physics

If the specific gravity of mercury is 13.6 and the atmospheric pressure is 70cm of mercury, what is the total pressure of gas supply in cm of water

*asked on March 29, 2014* -
## accounting

On December 31, 2013, a company issues bonds with a par value of $600,000. The bonds mature in 10 years, and pay 6% annual interest, payable each June 30 and December 31. The bonds sold at $592,000. The company uses the straight-line method of amortizing

*asked on February 4, 2014* -
## accounting

On December 31, 2013, a company issues bonds with a par value of $600,000. The bonds mature in 10 years, and pay 6% annual interest, payable each June 30 and December 31. The bonds sold at $592,000. The company uses the straight-line method of amortizing

*asked on February 4, 2014* -
## Chem

I got part a but part b I'm having trouble with I keep getting 56.2mL. I'm not sure what the next step is really to find part b. A. How would you prepare 250 mL of a 0.150 M solution of CoCl2 from solid CoCl2 and distilled water? Dissolve 4.87 grams solid

*asked on November 8, 2013* -
## Finance

Assume a bank has $5 million in deposits and $1 million in vault cash. If the bank holds $1 million in excess reserves and the required reserves ratio is 8 percent, what level of deposits are being held?

*asked on October 22, 2013* -
## differentiation

Derive the central difference approximation for f′′(x) accurate to O(h4) by applying Richardson extrapolation to the central difference approx- imation of O(h2).

*asked on November 18, 2012* -
## physics (speed of plane by radar)

The radar stations A and B, separated by the distance a = 500 m, track the plane C by recording the angles α and β at 1-second intervals, If three successive readings are shown in the table,calculate the speed v of the plane and the climb angle y at t =

*asked on November 11, 2012* -
## Dynamics

Okay so I have a 1/2 in thick ellipsoidal steel plate where (p=493 lb/ft^3) and it has a major axis diameter of 4ft and a minor of 2ft. the plate rolls w/out slipping (friction=0.15) and in a vertical position has an angular velocity of of w=4 rad/s(i.e.

*asked on April 19, 2012* -
## physics

A girl delivering newspapers covers her route by traveling 10.00 blocks west, 4.00 blocks north, and then 5.00 blocks east.

*asked on February 22, 2012* -
## physics

A commuter airplane starts from an airport and takes the route shown in the figure below. The plane first flies to city A located 175 km away in a direction 30.0° north of east. Next, it flies for 150 km 20.0° west of north to city B. Finally, the plane

*asked on February 22, 2012* -
## physics

A golfer takes two putts to get his ball into the hole once he is on the green. The first putt displaces the ball 8.10 m east, the second 6.00 m south. What displacement would have been needed to get the ball into the hole on the first putt?

*asked on February 22, 2012* -
## physics

A Chinook (King) salmon (Genus Oncorynchus) can jump out of water with a speed of 5.95 m/s. (See Problem 4.9, page 111 for an investigation of how the fish can leave the water at a higher speed that it can swim underwater.) If the salmon is in a stream

*asked on February 22, 2012* -
## physics

A Chinook (King) salmon (Genus Oncorynchus) can jump out of water with a speed of 5.95 m/s. (See Problem 4.9, page 111 for an investigation of how the fish can leave the water at a higher speed that it can swim underwater.) If the salmon is in a stream

*asked on February 22, 2012* -
## Physics

A lever has a 9-N load 1.5m from the fulcrum. Where should a 0.5N effort force be applied to balance the load?

*asked on February 17, 2012* -
## Physics

A wheel with a radius of 20 cm is attached to an axle with a radius of 1cm. An effort force of 100 N on the wheel counters a resistance force of what on the axle?

*asked on February 17, 2012* -
## Physics

How much effort force is required to life an 11000-N beam using a pulley system with a mechanical advantage of 20?

*asked on February 17, 2012* -
## Physics

A car parked on a hill. The driver starts the car, accelerates until the car is driving at constant speed, drives at constant speed, then brakes to put the brake pad in contact with the spinning wheels. How is static friction, sliding friction, rolling

*asked on February 17, 2012* -
## Science

A lever has a 9-N load 1.5m from the fulcrum. Where should a 0.5N effort force be applied to balance the load?

*asked on February 17, 2012* -
## Science

How much effort force is required to life an 11000-N beam using a pulley system with a mechanical advantage of 20?

*asked on February 17, 2012* -
## science

A wheel with a radius of 20 cm is attached to an axle with a radius of 1cm. An effort force of 100 N on the wheel counters a resistance force of what on the axle?

*asked on February 17, 2012* -
## Math

A spinner is divdided into 10 equal sectors and numbered 1 through 10. Find the probability as a fraction, a decimal and a percent for P(composite numbers.

*asked on January 26, 2012* -
## Science

A ball has a potential energy of 180 J and a kinetic energy of 0 J. After falling 2m, it has a potential energy of 135J. What is its kinetic energy at this point? PLEASE ANSWER THIS I'M STUCK!

*asked on January 19, 2012* -
## Science

WHen a wrecking ball hits a wall, it is usually moving at about 10 km/h, which is not very fast. How can this ball knock down a solid wall?

*asked on January 19, 2012* -
## Science

A ball has a potential energy of 180 J and a kinetic energy of 0 J. After falling 2m, it has a potential energy of 135J. What is its kinetic energy at this point?

*asked on January 19, 2012* -
## Science

An 80 kg person decides to jump off the back end of a 30 kg canoe. His friend measures the speed of the canoe after he jumps to be 0.8 m/s. The canoe was initially at rest. What rule would I use to find the speed of the person who jumped?

*asked on January 19, 2012* -
## Science

Suppose you and your bicycle have a total mass of 70 kg. YOu are moving at 10m/s. How much kinetic energy do you and the bicycle have?

*asked on January 19, 2012* -
## math

mario wants to put a rectanguar frame on a picture of a snowboarder.he has 18cm of string to make a the frame. Q-does he have enough strings and what could be the dimensions.

*asked on December 28, 2011* -
## math

$35 soccer cleats marked up 95%

*asked on December 18, 2011* -
## math

yes its marked up

*asked on December 18, 2011* -
## math

can u help me with a problem like this find the original price: tickets marke35% to $59.40 and find the percent of the discount or markup: $52 sweater on sale for $31.20 please help

*asked on December 18, 2011* -
## math

well i think you multiply 4 by 125 but i don't know and its not one of my options i have

*asked on December 18, 2011* -
## math

125 pounds decreased by 4%

*asked on December 18, 2011* -
## science

A push is an example of what?

*asked on November 16, 2011* -
## maths

find the general solution of the following first order differential equation. dx/dt = t*x + 6*t(exp)-t^2 pls show working

*asked on October 26, 2011* -
## maths

please help find the general solution of the following first order differential equation. dx/dt = tx + 6t(exp)-t^2 pls show working

*asked on October 26, 2011* -
## Math

A restaurant manager lost $415 in business during the month of January. Business picked up in February, and he ended that month with a profit of $1580. What if the restaurant lost $245 in business during the month of March. What was the manager's profit

*asked on August 25, 2011* -
## Chemistry

How to separate acetic acid from aqueos solution.

*asked on July 5, 2011* -
## Chemistry

How to separate acetic acid from aqueos solution.

*asked on July 5, 2011* -
## english 3

The beauty and splendor of Gatsby's parties masked the innate corruption within the heart of the Roaring Twenties. Jazz-Age society was a bankrupt world, devoid of morality, and plagued by a crisis of character."

*asked on June 29, 2011* -
## Algebra

In 1993, the life expectancy of males in a certain country was 71.5 years. In 1998, it was 73.6 years. Let E represent the life expectancy in year t and let t represent the number.

*asked on May 7, 2011* -
## math

If an electrician works for $750.00 per hour. What would be his salary for 2 days?

*asked on April 4, 2011* -
## acct

Business is going well for Email Designers. The board of directors of this family-owned company believes that Email Designers could earn an additional $1,000,000 income before interest and taxes by expanding into new markets. However, the $4,000,000 the

*asked on January 29, 2011* -
## Science

Would you expect orange juice to be more dense than water? Explain.

*asked on January 24, 2011* -
## social studies

can someone help me start my persuasive essay on vote for amendment 2 2010?

*asked on November 2, 2010* -
## algebra

(5c²+5cd)+(4c²d-2cd-6)+(-cd+8)

*asked on June 2, 2010* -
## Computer Programming

Hoe do I write a program to Create a C++ console application that uses cout to display a box of asterisks?

*asked on April 29, 2010* -
## math

Using only these numbers once for each answer 8,1,4,3,7 the product of two 2 digit numbers plus a number is 3,355. What are the numbers?

*asked on April 28, 2010* -
## 4th grade

Using only 8,1,4,7,3 only appearing once in an answer. The product of two 2 digit numbers plus a number is 3,355. What are the. Numbers?

*asked on April 28, 2010* -
## Math

Write the negation of the following: A snowy day is cold.

*asked on November 16, 2009* -
## Math

Give a verbal, visual, numerical, and graphic representation for the idea one and one-sixth.

*asked on November 16, 2009* -
## algebra II

Two runners at opposite ends of a 5 mile bridge begin jogging towards each other. Runner A is running at 5 mph, runner B is running at 4 mph. A mosquito lands on one runner as he starts on the bridge than proceeds to fly back and forth between the runners

*asked on September 28, 2009* -
## Chemistry

2CH3OH(l)+3O2(g)-->2CO2(g)+4H20 +1350 kj 1. What mass of water could be heated from 20.0 C to 35 C,by burning 48g of methanol? This is what I did, no answer was given so I want to double check. so q=mcT change in H=n(molar enthalpy) c= 4.184 kj/(kg C) So

*asked on July 27, 2009* -
## chemistry

1. Need help Assigning oxidation numbers. Is it true that wehn looking at atoms in compounds from group 1 or 2 they are given the oxidization number which is the same as there charge example NaCl Na has an oxidization number of 1? But is this also true for

*asked on July 23, 2009* -
## science

solubility equillibrium is dynamic equillibrium between undissolved excess solute and solvent or aqueous solution and crystal in a saturated solution. so rate of dissolving = rate of crystalization if any more solute is added it will disrupt equillibrium

*asked on July 21, 2009* -
## religion

Hello I need some help I have a paper due and I need to ask a pastor a few questions about religion this is due friday and i'm trying to get it done tonight is there is anyone who can help please do thank you so much.

*asked on June 25, 2009* -
## math

The perimeter of a rectangle is 128m. The length is 4m more than twice the width. Find the dimensions.

*asked on June 16, 2009* -
## math

Solve by substitution method 8x+9=-2 -9x+y=69 what is the solution of the system?

*asked on June 16, 2009* -
## math

Solve by substitution method 9x+6y=21-9x+y=35 What is the solution of the method?

*asked on June 16, 2009* -
## math

Solve by substitution method 7m+n=27 m-8n=69 What is the solution of the system?

*asked on June 16, 2009* -
## math

Review example 2 How does the author determine what the? Example 2. Translate. The first row of the table and the fourth sentence of the problem tell us that a total of 63 pupae was received. Thus we have one equation: p+q=63 Since each pupa of morpho

*asked on June 16, 2009* -
## math

Solve the system by graphing. Then classify the system.? 6x-y=50 6x+7y=-14 What is the solution of the system? (type an ordered pair. Type N if there is no solution. Type R if the solution is all real numbers)

*asked on June 16, 2009* -
## math

Solve the system of equations by graphing. Then Classify the system? 4u+v=1 4u=v+7 What is the solution of the system? (Type an ordered pair. Type N if there is no solution. Type R if the solution is all real numbers.)

*asked on June 16, 2009* -
## math

Solve the system of equations by graphing. Then classify the system? y= -x -11 4x -3y=-2 What is the solution of the system? (Type an ordered pair. Type N if there is no solution. Type R if the solution is all real numbers.)

*asked on June 16, 2009* -
## math

Write an equation of the line containing he given point and parallel to the given line? Express your answer in the form y=mx+b (6,8);x+7y=5

*asked on June 13, 2009* -
## math

The function p(d)=1+d/33, gives the pressure, in atmospheres (atm), at a depth d in the sea? (d in in feet). Note that p(0)=1 atm, p(33)=2, and so on. Find the pressure at 40 feet (Type answer as a integer or a simplified fraction.)

*asked on June 13, 2009* -
## math

solve for x x+8=-1 solving with addition and subtraction(type in)

*asked on May 14, 2009* -
## Math

LCM of (x-y) and 2(y-x)

*asked on February 26, 2009* -
## French

I am almost done with my power point on La Route du Rhum. I just need to figure out what the first place of La Route du Rhum gets and why so many people do the race. does anybody know??? thanks

*asked on February 18, 2009* -
## Science

I am trying to find the watts, volts, and amps for eletrical appliances in the famiyroom/livingroom. Do you know of a website that has those listings because I tried to look at home on the appliances but can't find all the info. thanks:)

*asked on February 17, 2009* -
## French

Bad thing happened, you may remember my other post about what does La Route du Rhum mean but anyway... I was at the library and got all this information but my time ran out and the computer logged off so I wasn't able to same it. I know wherei got most of

*asked on February 15, 2009* -
## French

How did the sailing compotition La Route du Rhum get its name? Thanks

*asked on February 13, 2009* -
## Social Studies

I have researched this a little but am still not sure what the answer is... Why was Sir Thomas More beheaded? With waht did he disagree? Thanks:)

*asked on January 12, 2009* -
## Science 8

IN science we are talking about chemical prefixes and compound names. For homework there are some questions where I have to "Name the Ionic Compounds" He talked about it but I am still confused, here is one of the questions. ht tp*:/ /

*asked on December 17, 2008*

## Pages

**1**- 2