Arturo O.

The crate has a mass of 77.0 kg. You exert a horizontal force of 121 N to the right. Friction exerts a force of 64.0 N to the left. What is the magnitude (fill in box) and direction of the... more

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Science Physics

06/08/20

Neglecting the effects of air resistance, how far will an object fall from rest in 9 seconds? Please show your work in order to earn credit for this question.

Neglecting the effects of air resistance, how far will an object fall from rest in 9 seconds? Please show your work in order to earn credit for this question.Free Fall Kinematic Equations which may... more

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Science Physics

06/08/20

What is the acceleration of the block?

A 9 kg block experiences two external forces acting on it simultaneously. Force A has a magnitude of 20 N and points in the positive direction. Force B has a magnitude of 4 N and points in the... more

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College Algebra

06/08/20

A positive integer is twice another. The sum of the reciprocals of the two positive integers is 3/14. Find the two integers.

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Physics

06/08/20

Enter your answer in scientific notation. A radar signal took 2.7 s to go to the moon and return. How far away was the moon at that time?

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Math Linear Relations

06/08/20

How do you answer this

Find the equation of a line perpendicular to 𝑦 = 3/4𝑥 − 1, and the same y-intercept as 𝑦 = 5𝑥 + 7 .

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Algebra

06/08/20

If the national economy shrank to an annual rate of 9% per year for four consecutive years, then the economy shrank by 36% over the four-year period. The economy actually shrank b

If the national economy shrank to an annual rate of 3% per year for four consecutive years, then the economy shrank by 9% over the four-year period. The economy actually shrank b

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Physics

06/08/20

A 200 g pendulum bob is raised 22 cm above its rest position. The bob is released and it reaches its maximum speed as it passes the rest position. Calculate maximum speed if the efficiency is 94%.

Please provide a diagram and states the givens.

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Physics

06/08/20

Bill throws a 10.0 g ball from a height of 2.00 m. The ball strikes the floor at a speed of 7.50 m/s. I can not use kinematics

a) What was the maximum amount of energy achieved throughout the throw?b) What was the maximum height of the ball?c) What was the initial velocity of the ball?

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Math

06/08/20

Devaughn is 8 years younger Sydney.The sum of their ages is 40 . How old is Sydney

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Math

06/08/20

After a 85 % reduction, you purchase a new DVD player on sale for $84. What was the original price of the DVD player?

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Math

06/07/20

if something is $9 before tax and the sales tax is 9% then what is the total price ?

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Math

06/07/20

In 2016, there were 36.656 burger restaurants worldwide, with 13,048 of them located in a country. Determine the percent of burger restaurants in that country in 2016

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Algebra

06/07/20

Cindy is selling tickets. She sold 8 adult and 5 child tickets totaling $180.50 day one. day two she sold 12 adult and 6 child totaling $261.00. How much are the adult tickets and child tickets

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Math

06/07/20

a math problem I need an answer to

what is the sum of 9 and the difference is 5 what are the two numbers? p.s please say it in 3rd grade words!Thank you! love, Maleah M.

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Algebra

06/07/20

The perimeter of a rectangle is 32 inches. If the width is 4 inches less than the length, find the dimensions of the rectangle

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Physics

06/07/20

A room is 5 m long, 7 m wide, and 5 m high. What is the mass of the air it contains, if the density of air is 1.3 kg/m3?

Enter your answer in scientific notation.

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Physics

06/07/20

70 kilojoules of heat were added to a 1.5−kg piece of wood whose temperature then rose from 20°C to 49°C. What was the specific heat of the wood? c = ? kJ kg·°C

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Math Value

06/07/20

really need help with this question please!!

determine the value for na) n/7=2.5/9b) n+1/3=2n/5

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Math Distance

06/07/20

really need help with this question please!

the more efficient the vehicle is, the longer distance it can travel on the same amount of fuel. rank the following fuel efficiencies from most to least efficient.0.03L/km30km/L0.04L/km32km/1.2L

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Math Prealgebra

06/06/20

How do I solve the following prealgebra question: 8x+16=24

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Math

06/06/20

math help please

At the city museum, child admission is $5.30 and adult admission is $9.10. On Monday, twice as many adult tickets as child tickets were sold, for a total sales of $470.00. How many child... more

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A company is landscaping an area of 8500 ft.² a bag of sea covers 200 ft.² how many bags would you need to see the area

A mathematical model in the form y = mx + b models the cost, y, of a four year college degree x years after 2010. What would the y intercept represent? Explain.

The difference between the two positive numbers is 32. The larger number is 8 less than 5 times the smaller number. Find the number

You are pulling a crate across the floor.

Neglecting the effects of air resistance, how far will an object fall from rest in 9 seconds? Please show your work in order to earn credit for this question.