steph

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

Questions

The following questions were asked by visitors named steph.

A pendulum clock that works perfectly on Earth is taken to the Moon. (a)Does it run fast or slow there? (b) if the clock is started at 12:00:00 am, what will it read after one Earth day(24hrs)? Assume that the free-fall acceleration on the Moon is 1.63 m/...

Can some one explain this passage I do not understand it it is by hazlitt it is called "on the want of money" There are two classes of people that I have observed who are not so distinct as might be imagined - those who cannot keep their own money in thei...

A bicycle is moving at 8.3 m/s. What is the angular speed of its tires if their radius is 42 cm?

Describe the kingdom of kongo (the time/ place/ significance). Describe the economy.

can someone please tell me what the equation is to find the sum of squares...im looking online but everything is sohard to understand and all the symbols are confusing...?? thank you!

What was the davul drum used for

i have similar homework to leigh about miracles. i need to give 3 reasons why miracles occur,this is what ive thought of:- .praying .believing in God .faith im still struggling to think of 3 reasons why miracles do not occur. thanks

why might a leader of a developing nation talk about scarcity and trade-offs?

A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of vi = 11 m/s. The cliff is h = 47 m above the water's surface, as shown below.

in a park some people are launching model rockets to find the maximum height,x,the rocket reaches, a person stands 50.0m from the launch sight and measure the angle from the ground to the rocket at its maximum height. if the angle is 36 then the maximum h...

how would you make 300mL of toluene and hexane in a artion of 70:30 respectively? i don't un derstand please help

A certain molecule contains twice as many atoms of hydrogen as oxygen and one more atom of carbon than hydrogen. If there are 31 atoms altogether in the molecule. how many atoms of carbon are there?

how would you solve this 31=2*x+c+1

A 56.0 ice skater spins about a vertical axis through her body with her arms horizontally outstretched, making 2.00 turns each second. The distance from one hand to the other is 1.5 . Biometric measurements indicate that each hand typically makes up about...

You have probably seen films of astronauts floating weightless in orbiting satellites. People often get the idea that the astronauts are weightless because they are so far from the gravity of the earth. Let us see if that explanation is correct. Typically...

A hunter aims directly at a target (on the same level) 85.0 away. If the bullet leaves the gun at a speed of 188 , by how much will it miss the target?

A mixture of O2 and He is prepared for a scuba diver who is going to descend 200 ft below the ocean surface. At that depth, the diver breathes a gas mixture that has a total pressure of 7.00 atm. If the pressure of the O2 in the tank at 200 ft below the o...

a rectangular prism has a volume of 132 cubic centimeters . the length of the base is 4 centimeters and the widtyh of the base is 3 centimeters, what is the height of the prism?

Determine the values of sin, cos, tan, csc, sec and cot at (-3, -3) on the terminal arm of an angle in standard position 2. If cos θ = 2/3 and 270° < θ < 360° then determine the exact value of 1/cot

Marcy is planning to borrow $12,500 with a simple interest rate of 5.2% for 4 years. How much will she pay back to the bank?

Whats the subject of the following sentence: The sergeant and captain agrees on the strategy to catch the criminal.

a boy eats 1/3 and 1/2 of a pizza for himself. what fraction of the original pizza does he have left

If you want to lose 1 pound of "fat," which is 20% water, how many kilocalories do you need to expend? i don't know where to start :( Please Help!!!

who is the audience in shakespears sonnet 130? who is it aimed at?

analyzing the motion of a projectile: a projectile is fired from a cliff 200 feet above the water at an inclination of 45 degrees, with a muzzle velocity of 50 feet per second. the height of the projectile above the water is given by h(x)= -0.0128x^2+x+20...

area of a parking lot: One campus of Houston community college has plans to construct a rectangular parking lot on land bordered on one side by a highway. there are 640 feet of fencing available to fence the sides. let x represent the length of each off t...

path of a frogs leap: a frog leaps from a box 3 feet high and lands 4 feet from the base of the stump. we can consider the initial position of the frog to be at (0,3) and its landing position to be at (4,0). it is determined that the height of the frog as...

Physics: a ball is thrown vertically upward with an initial velocity of 80 feet per second. the distance (in feet) of the ball from the ground after t seconds if s=80t-16tt^2 a) draw the illustration b) for what time interval is the ball more than 96 feet...

construction of a rain gutter: a piece of rectangular sheet metal is 20 inches wide. it is to be made into a rain gutter by turning the edges to form parallel sides. let x represent the length of each of the parallel. a) give the restrictions on x. b) det...

an open box with a volume of 1500cm cubed is to be constructed by taking a piece of cardboard of 20 cm by 40 cm, cutting squares of sides length x cm from each corner and folding up the sides. show that this can be done in two ways, and find exact dimensi...

area of a rectangular region: a farmer wishes to create two rectangular regions bordering a river, by three fences perpendicular to the river and one connecting them. suppose that x represents the length of each of the three parallel pieces of fencing. sh...

why is this statement false? "when an ionic compound dissolves in water an equal number of positive and negative ions is created."

what is a dipole and what are ion-dipole attractions, dipole dipole attractions and dipole-induced attractions? examples.. would rly help me understand it better

how do u find percent abundance?

a block off wood (density = 0.5 g/cm^3) is floating in oil (density = 0.75 g/cm^3). The mass of the wood is 1500 g. Determine the volume of the oil displaced

water moving in a horizontal pipe has a velocity of 9 m/s when the radius of the pipe os 0.025m. Determine the velocity of the water when it enters a wider section of the pipe and the radius is 0.075m.

1.Calculate the energy of a photon whose frequency is 2450 megahertz. What is the wavelength of waves transmitted by an AM radio station operating at a frequency of 840 kilohertz? 2.

What is the measure of the length of a rectangle with a width of 3x + 4y + 1 and a perimeter of 24x + 18y + 32?

how do you solve 45 min/2 mi=?h/1 mi

how do you solve 45 min/2 mi=?h/1 mi pre algerbra - drwls, Friday, January 6, 2012 at 11:44pm If you go 2 miles in 3/4 hour, you go 1 mile in 3/8 hour (or 22.5 minutes). how do we show are work then

A car travels at a speed of 44 feet per second. What is the speed in miles per hour? Show all work

direction use the given info to find the new amount wholesale price $13 and mark up percent 110% can you help me solve this please

Is the distribution of geologic activity clumped, random, uniform, or some other pattern? Explain\ Is the distribution of geologic activity clumped, random, uniform, or some other pattern? Explain

What is the answer to x/8-12=10 we need to find x i don't get how to do it

What is the answer to x/8-12=10 we need to find x i don't get how to do it need it quickly please help me

GCF of 25a3b4, 45a6b5, 50ab.

how to write a verbal expression for 3x^2 and 5 + 6m^3

evalute this expression: [(2^5-5)divied 9]11

solve: bowling fantastic pins bowling alley charges $2.50 foshoe rental plus $3.25 for each game. write an expression representing the cost to rent shoes and bowl g games.

if a juggernaut decelerates at 9m/s^2, how long will it take him to stop from 45m/s?

you are driving to a vacation spot that is 1500 miles away. Including rest stops, it takes you 42 hours to get to the vacation spot. You estimate that you drove at an average speed of 50 miles per hour. How many hours were you not driving?

area of a trapizoid:A==h/2(b1=b2). solve for h don't know how so solve it

Area of a rombus: A=1/2d1d2. Solve for d1

Lead has a melting point of 327ºC, its specific heat is J/g•deg, and its molar enthalpy of fusion is 4.80 kJ/mol. How much heat, in kilojoules, will be required to heat a 500.0-g sample of lead from 23.0ºC to its melting point and then melt it?

The length of a rectangle is 5cm more than twice the width. The perimeter of the rectangle is 34 cm. Find the dimensions of the rectangle. So confused on how to do this problem please help me thanks.

I wrote, Ms.Marcus is tall and a little bit skinny. What are the two sound effects in the line above? Which words are involved in each sound effect. Please help I'm not good with English class thanks :)

An aqueous solution of NaCl freezes at -1.6ºC. At what temperature will it boil? Given that K(b) for water is 0.52 deg m^-1.

What is the probability that an 8 digit numbers contains "97"?

A pair of vertical plane mirrors stands with an angle of β = 56.5 degrees between them. A pencil of light approaches in a direction parallel to one of them, as shown. After the pencil has left the mirrors, in which direction will it be going? (Give your a...

A lightbulb emits light that creates a shadow of a ball on a wall. If the radius of the ball is 12.3 cm, and the radius of the shadow is 29.5 cm, and the ball is 1.27 m away from the wall, how far is the lightbulb away from the wall? (For the present prob...

The school received 14 rolls of free movie tickets from a local theater. There are 48 tickets in each roll. The school has 32 classes of 24 students each. If the school plans to give one ticket to each student, which of the following statements is true? A...

A cardboard box manufacturer makes open boxes from rectangular pieces of cardboard of size 30cm by 40cm by cutting squares from the four corners and turning up the sides. A) find a mathematical model expressing the volume of the box as a function of the l...

A sample of gas has a mass of 0.565g . Its volume is 120 mL at a temperature of 80∘C and a pressure of 747 mmHg . what is the molar mass

The distance each floor of the office building is 3.0 m. Which table shows the total distance traveled and displacement of the elevator?

You perform the following titration: You placed 35 mL of H2S in a flask and placed it under a buret. The buret contains 0.243M Sr(OH)2 and you are going to titrate the H2S with the base. You titrate until the color changes. At that point, you record that...

6.3E7 cm converted to mm would be 4.3cm converted to in would be

Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. x+3y+6z=6 y-4z=0

how and why did spanish groups come to texas?

Hello I need to find important cities located in the colony Delaware before the year 1776, but I had trouble finding any information could someone possibly help out?

there are 12 questions on a paper, 80% pass rate, didn't have time to do last 3 questions will I pass if the ones I did do are correct

Can someone please help me solve this question? Simplify: sin^2x*secx-secx

Compare and contrast storage and structural lipids. Talk about structure and property if possible.

Solve and state the general solution for all values of x in exact form. Show all steps algebraically. sin^2 𝑥 − √2 cos 𝑥 = cos^2 𝑥 + √2 cos 𝑥 + 2

Johnny's cafe serves desserts. One serving of ice cream and two servings of blueberry pie provides 800 calories. Three servings of ice cream and two servings of blueberry pie provides 1200 calories. Find the caloric content of each item.

Answers

The following answers were posted by visitors named steph.

Also, the Congo River.

australia's role in united nations

thanks but that does not really help very much.

you prolly multiplied wrong. 90 * .05 100*.15, 95*.15,90*.05,94.5*.60 then is should all equal out to 94.68

u mean the z score

how would you make 300mL of toluene and hexane in a artion of 70:30 respectively? i don't understand please help. thanks

A hunter aims directly at a target (on the same level) 85.0 m away. If the bullet leaves the gun at a speed of 188 m/s, by how much will it miss the target?

36.1 is the answer i got its wrong though what could i have done wrong?

thanks! i posted some other questions that i really need help with too

thank you! that helped a lot

another great help!

thanks! i have one more that i posted about the path of a frogs leap. I can't figure it out

so then how would you make the statement true?

oh sorrry.....i got it. when an ionic compound dissolves in water an equal number of positive and negative charges are created.

what did you do with the 0.5g/cm^3?

for number 1 i got 1.62*10^-24 J and for number 2 i got 3.5*10^-29 m but i m not sure if they r right

can you help me please

thank you so much

can you help me please

Emily takes a trip, driving with a constant velocity of 81.5 km/h to the north except for a 22 min rest stop. If Emily's average velocity is 72.8 km/h to the north, how long does the trip take?

the equal signb1=b2 should be b1+b2

which statement is true and how?

For the function f ( x ) =3x+2/5 , find the difference quotient f(a+h)-f(a)/H

so what is the answer??!??

thank u Ms.Sue!! 100%!!!

Thanks britney!! 100%%

You forgot to convert it. The correct answer is 87.3 J/(mol×k).

the correct answer is A.

It's b and d, I got it correct