# Posts by L

Total # Posts: 246

**physics**

A student pulls a (34) kg box a distance of (13.50) m up a ramp set at 25.8o using a force of (181) N applied parallel to the ramp. Find the efficiency of the ramp. Give your answer in percent (%) and with 3 significant figures.

**physics**

A (10.25) kg bowling ball is hung on a (11.50) m long rope. It is then pulled back until the rope makes an angle of (39.0) degrees with the vertical and released. Find the speed of the ball is at the lowest point. Give your answer in m/s and with 3 significant figures.

**physics**

Starting from rest, a student pulls a (34) kg box a distance of (13.50) m across the floor using a (161) N force applied at 35.0 degrees above horizontal. The coefficient of kinetic friction is 0.220 between the floor and the box. Find the work done by the pulling force. Give ...

**physics**

A 22.0 kg box is sliding down on an incline set at (44) degrees up from horizontal. The coefficient of kinetic friction between the box and the incline is (.27). Find the acceleration of the box. Give your answer in m/s2 and with 3 significant figures.

**Science**

A force of 400 N gives a mass (m1) an acceleration of 2 m/s^2. The same force gives another mass (m2) an acceleration of 13 m/s^2. What acceleration will this same force give if m1 and m2 are fastened together?

**History**

It's based on a game. Example: Green car: car Red cads: tire, window, steering wheel. And I can't wait for the second part because it's due tomorrow. I'm the only one doing it before because I'm not at school the day we're learning it and playing the ...

**History**

I need to make an "Apples to Apples" Project and I really don't know what to write. It's about the Revolutionary war. I have one green card with a title and three red cards and I have to choose three events that are related to it. I also have to explain why I...

**Spanish**

1 estamos 2 esta 3 estan 4 estas 5 estoy

**College Algebra**

What is the domain of ln(x-6)^2 and why? There is controversy in the classroom about the answer.

**Chemistry**

To what pH should you adjust a standard hydrogen electrode to get an electrode potential of -0.122 V ? (Assume that the partial pressure of hydrogen gas remains at 1 atm.)

**science**

Ms was right I got a 100%

**The Pignman and Me answers!! PLZ HELP OVER DUES!**

c because your left ear can't fall in your right pocket

**English**

1. Choose the answer that best matches the word in italics. Samantha tried to look IMPASSIVE when they announced her essay as a finalist in the competition. (1 point) surprised*** unemotional unsure vibrant 2. Choose the answer that best matches the ...

**Wold History**

Did you get the answers?

**Government**

It's B

**Math**

A ferrari is heading west at 30 m/s. A Cop turns on its lights and the ferrari speeds up to 60 m/s in 7 seconds to outrun the police. What was the acceleration of the ferrari?

**Statistics**

a sample of n=25 scores has a mean of M=65 and an estimated standard error of 2 points. What is the sample variance

**Physics**

A satellite experiences a gravitational force of 228 N at an altitude of 4.0xE7 m above Earth. What is the mass of this satellite ?

**Physics**

A 620 kg satellite orbits the earth where the acceleration due to gravity is 0.233 m/s^2. What is the kinetic energy of this orbiting satellite?

**Physics**

I am not sure what W stands for/is :/

**Math**

In the triangle ABC given, side AB is twice as long as side AC. We have: m<BAC=120° mBC= 8cm Determine rounded to the nearest unit, the perimeter of triangle ABC.

**math**

I don't get how you did the math. Could you explain?

**Math**

IDKK

**Computer science**

When I run the code an outline of the image is shown but the images do not appear?

**Computer science**

I want to make my traffic lights run automatically without any user input. I have created this code so far but the images don't show up please help. My code: <!DOCTYPE html> <html> <head> <script type="text/javascript"> var lights=["...

**math**

how many 27 cubic inches fit into a 8ft crate?

**Math**

Let x be a number. The equation is: 2x - 9 = 4 You can solve if needed.

**Chemistry**

What volume (in milliliters) of 0.170 M NaOH should be added to a 0.140 L solution of 0.021 M glycine hydrochloride (pKa1 = 2.350, pKa2 = 9.778) to adjust the pH to 2.84? I tried using the Henderson- Hasselbalch equation but I am confused about what to do with the answer to ...

**math**

the green paint jar is 4/8 full. The purple paint jar is 4/6 full. Which paint jar is less full?

**Finance**

Juan and Rachel Burpo plan to buy a time-share in six years of $16,860. In order to have adequate funds to do so, the Burpo want to make a deposit to their money market fund today. Assume that they will be able to earn an investment rate of 5.75%, compounded annually. How much...

**Math**

57 mi/h

**Social Stuies**

ccccccccccc

**SS HELP PLZ ASAP**

all correct lol

**chemistry**

Explain why using a Büchner funnel with vacuum to filter hot fluid will result in clogging. What is the result of reduced pressure on a hot volatile solvent? How does this affect the amount of solute that is dissolved? Where would the funnel become clogged?

**Math-unit rate**

Molly walks 1 1/2 miles in 3/5 hour. What is the walking rate?

**MATH**

WRITE A WORD PROBLEM FOR THE EQUATION 12N-45=504.

**Social Studies**

fefqwq

**Chemistry**

Complete and balance the molecular equation, including phases, for the reaction of aqueous iron(III) nitrate, Fe(NO3)3 and aqueous lithium hydroxide, LiOH Enter the balanced net ionic equation, including phases, for this reaction.

**Math**

the answer to 4 is a i got it wrong using d so its a you guys

**speech**

Interesting informative speech suggestions?

**history**

She's not being mean.

**Physics**

Which method of sliding a block of ice requires less force—(a) pushing or (b) pulling at the same angle above the horizontal?

**Physics**

An object that starts from rest completes 7 revs in 3 seconds. What is angular accel. in rad/s2?

**History, Urgent**

was looking for the answer on here myself lol we suck. #odysseywaresucksballs

**algebra 2**

Find an equation of the linear function f having a slope of -2 if f(1)=3 My teacher never taught us this, please help me

**M**

Find an equation of the linear function f having a slope of -2 if f(1)=3. My teacher never taught us this, please help.

**Math 4th grade**

Sorry 149,690 the digit is 1 .... So 140,000.. Confused ?

**Math 4th grade**

So 149,690 is 150,000?

**Math 4th grade**

Is 260,000 correct Ms.Sue

**Math 4th grade**

260,000

**Math 4th grade**

160,656 1 is underlined .round the digit

**Math 4th grade**

9,924 9 is the underline digit round each digit... I think it's 10,000

**Physics**

45

**Algebra1**

5c+4=-26. ?? Is it 6,,,-6,,,-4.4 or 3??

**Spanish**

Ellos leyo periodicos tres cada dia.

**physics**

A snail moved 0.14 m between two cabbages in 3.0 minutes. The average speed of the snail is

**physics**

A bus traveled 10.0 km from the north end of the city to the south in 10.0 minutes. The average speed of the bus was

**physics**

Written in scientific notation, with three significant digits, the number 0.01050 is_______?______ x 10?

**physics**

Initial sources of energy used to operate machines were __________ and __________.

**physics**

A machine loses 600 kJ as waste heat while producing 5,350 kJ of useful energy output. The efficiency of this machine is

**Ms. Sue,**

Thank you!

**world history**

Which of the following statements is true of the Gulf of Tonkin affair? A. Johnson told Congress to pass the Gulf of Tonkin Resolution to let him expand the war. B. Congress was divided and only reluctantly passed the Gulf of Tonkin Resolution. C. The destroyer Maddox was sunk...

**Accounting**

During its first year of operations, Maria Rose set up Roseland Inc. and invested $25,000 in the corporation. The company earned $68,000 of revenues and incurred $32,000 of expenses. At the end of the year, the company owed $24,000 to its creditors. A cash dividend of $5,000 ...

**precal help asap**

solutions to the equation tan^2x - 3 = 0 ( there can be more than one) 2pi/3 pi -pi/3 5pi/3

**PRECAL MULTIPLE CHOICE**

If a triangle ABC has A = 52 degrees, side a = 178, and side b = 234, then what is the measure of B? B= 62.3 or 117.7 B = 62.3 B = 117.7 there is no solution

**precal help asap**

If a triangle ABC has A = 52 degrees, side a = 178, and side b = 234, then what is the measure of B?

**Precal, TRUE OR FALSE**

TRUE OR FALSE The motion of a pendulum for which the maximum displacement from equilibrium varies is an example of simple harmonic motion.

**Precal**

An arc of length 30 meters is formed by a central angle A on a circle of radius 15. The measure of A in degrees (to the nearest minute) is

**Precal, please help asap!**

How many solutions does a triangle with values a = 42, A = 117 degrees, and b = 34 have

**Precal, please help asap!**

The angles of elevation theta and alpha to an airplane from the airport control tower and from an observation post 2 miles away are being continuously monitored. If theta is 42 degrees when alpha is 81 degrees, how far is the plane from the observation post?

**Precal**

A distress flare is shot straight up from a ship’s bridge 75 ft above the water with an initial velocity of 76 ft/sec. a) Write a set of parametric equations for the path of the flare. ______________________________ ______________________________ What window gives you ...

**Precal**

Can someone please help me with the last 4 questions in this paragraph? Suppose that Tiger hit a golf ball with an initial velocity of 150 ft/sec at an angle of elevation of 30°. Write the parametric equations to represent the flight of the ball. How long is the golf ball ...

**Physics**

A wheel with a weight of 395N comes off a moving truck and rolls without slipping along a highway. At the bottom of a hill it is rotating at an angular velocity of 23.0rad/s . The radius of the wheel is 0.607m and its moment of inertia about its rotation axis is 0.800 MR2. ...

**chemistry**

trigonal pyramidal

**sales tax**

lol

**Math!**

pjoopj

**algebra**

What is the first step you should take to solve the following expression: 2 – 16 ÷ 4 × (3 + 2)2 + 1 ? A. 16 ÷ 4 B. 2 – 16 C. 3 + 2 D. 22

**Algebra**

Remove the parentheses from the following expression, and combine like terms: (2x + 3y – 4z) – (x – y – z) A.3x +4y+5z B. 3x + 4y – 3z C.x +4y–3z D. x + 2y – 5z

**math**

its not there

**Medical Billing and Coding**

A. 434.91, 438.21, 438.12, 250.00 305.1, 88.91, 93.39, 93.72

**Medical Billing and Coding**

B. 434.91, 342.91, 784.59, 250.00, 305.1, 88.91, 93.39, 93.74

**algebra 1**

250/7

**Physics**

5

**physics**

9.816

**statistics**

lk

**Physics**

1c please

**Chemistry**

What is the concentration of the resulting solution when 250 mL of 0.1 M K3PO4 and 300 ml of 0.5 M K3PO4 are mixed?

**Science**

dependent variable?

**Statistics**

2.05

**Statistics**

.0288

**algebra**

In a class of 50 students, the number of women is 2 more than five times the number of men. How many women are in the class?

**Physical Science**

The transfer of heat that takes place because of the density difference in fluids is

**Physics**

An object is thrown vertically upward at 18m/s from a window and hits the ground 1.6s later. What is the height of the window above the ground?(air resistance is negligible)

**math**

Write two expressions that show that increasing a quantity by 4% is the same as multiplying that quantity by 1.04.

**Statistics**

10.12

**algebra**

6

**Math**

1/4

**Math**

A line has a slope of 6/7 and a y-intercept of -5. Which of the following is the equation of the line? 7x - 6y = -35 7x - 6y = -5 6x - 7y = 35 6x - 7y = -35 I'm honestly not sure with this, I'm thinking that it's 7x - 6y = -5.. Not sure though. Also, could you ...