jhon

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

Questions

The following questions were asked by visitors named jhon.

How much work is done by the gravitational force on an object of mass 9.40 kg that is initially at rest when it falls down for a time of 1.85 seconds. Ignore air resistance

Molecular shape of BrF3 by VSEPR theory

How much acetone liquid (in mls) is required to produce a vapor concentration of 200 ppm (parts per million) by volume in a room of dimensions 3 x 4 x 10 meters? The temperature is 25oC and the pressure is 1 atm. The following physical property data are a...

how do you do 19= n - 9 ??????

Where can I find some information about native americans

Where can I find some information about nourvis system and endocrine system?

Can you give me a website about attoms

Can you give me awebsite about phase change?

can you tell me a website on elements

the last question i do not get can one of y´all help me out lisa is working on a science project her task is to answer the question ¨does rogooti(which is a commerical hair product) affect the speed of hair growth control group: independent variable: depe...

A person rides up a lift to a mountaintop, but the persons ears fail to pop –that is, the pressure of the inner ear does not equalize with the outside atmosphere. The radius of each ear drum is 0.40×10ˆ-2m. The pressure of the atmosphere drops from 1.010×...

If a 2.6 g of weak diprotic acid were dissolved in 100 mL of water and a 10 mL aliquot of this solution required 21.6 mL of 0.1 M NaOH to reach the first endpoint, what are the equivalent and formula weights of H2A? I think I first need to find the moles...

find the approximate change in z when the point (x,y) changes from (1,1)to (1.01, 0.90) f(x,y) = xe^(-y) + ye^(-x)

the dimensions of a closed rectangular box are measured as 30 in, 40 in.. and 60 in.. with a maximum error of 0.2 in. in each measurement. use differentials to estimate the maximum error in calculating the volume of the box

A motorboat travels due north at a steady speed of 3.0 m/s through calm water in which there is no current. The boat then enters an area of water in which a steady current flows at 2.0 m/s in a southwest direction, as shown in the next picture. Both the e...

a pitching machine throws a baseball at a batter with an initial velocity of 22.0 m/s at an angle of 30 degrees to the horizontal. the ball is 1.60 m above the ground when it is pitched. a) if the batter hots the ball at the same height as it was launched...

cotx+tan2x=cotxsec2x prove

Please show all of your work in the space below. Please present and organized and complete solution. A garden will be made up of a parallelogram, a rectangle and a triangle. The garden must have an area of 500m square. Draw two possible gardens. Determine...

Many people are trying to reduce their carbon footprint. Amrita’s carbon footprint this year was 85% of last year’s footprint. If her carbon footprint this year is 34 tonnes,what was her carbon footprint last year? PLZ NEED HELP

If you wanted to make a barometer that had a column of liquid about 6 feet tall, what would the density of the liquid have to be? 1 meter = 3.28 ft 1 inch = 2.54 cm Density Hg = 13.6 g/mL 1atm = 760 torr

If a portion of your aspirin sample had broken down, how would that effect the total amount of base used? What would the effect be on the percentage of aspirin in your sample?

A 0.069 gram sample of a metal reacted with HCl and produced 45.31 mL of H 2 gas at 25¡ÆC and 1 atm pressure. The metal is known to react with HCl according to the following reaction, 2 M + 6 HCl > 2 MCl 3 + 3 H 2 What is the molar mass of the metal? Whic...

Fe + O2--->Fe2O3 How many grams of iron are required to convert 80 mL of oxygen at STP?

a 20 kg traveler's bag is being pulled along the floor with a force of 50 NF. the force is applied on the handle forming an angle of 30 degree with the horizontal. neglecting friction,what is the acceleration og the bag? How much force is exerted by the f...

The following experimental data were obtained for the reaction; 2 NO + 2 H2 ¡æ N2+ 2 H2O Rate/10-5M/s [NO]/10-2M [H2]/10-2M 0.50 0.50 0.20 2.00 1.00 0.20 0.25 0.25 0.40 Write a rate law in agreement with the data. Rate = What is the value and units of the...

Hess¡¯ law says that when we add reactions together we can also add the enthalpies. Given the following set of reactions, use Hess¡¯ Law to calculate the enthalpy of the reaction given below. N2H4 + H2 ¡æ 2 NH3 ¥ÄH¡Æ = ? N2 + 3 H2 ¡æ 2 NH3 ¥ÄH¡Æ = -92.38...

find the radius of a circle in which a 59 foot chord subtends an angle of 12 degree at the center

Taylor made a scale drawing of his room using a scale of 0.25 inch = 1 foot. On the drawing, the length of his room is 3.25 inches and the width is2.75 inches. What is the area of Taylor’s actual room? A. 36 square feet B. 48 square feet C. 143square feet...

Jill’s room is 12.5 feet long and 11.5 feet wide. She made a scale drawing of the room with a scale of 0.5 inch = 2 feet. What is the perimeter of Jill’s room in the drawing? A. 12 inches B. 24 inches C. 48 inches D. 96 inches

Julie deposited $300 into a simple interest savings account that earns 1.34%. If no money is added or withdrawn from the account, about how long will it take for the interest to equal the deposited amount? A. 8 months B. 1 year C. 7 years D. 75 years

A new automobile costs $23,782, but after one year it is worth $17,668. What is the approximate percent of decrease in the value of the automobile?

Hayley wants to purchase tile for the floor in a rectangular room that measures 15 feet by 14 feet. The tile costs $4.25 per square foot. Sales tax is 6.5%. What will be the total cost to cover Hayley’s floor with tile?

Mrs. Williams is going to purchase a plastic cover for her outdoor fish pond. The area of the fish pond is 25 m2. However, she must purchase a cover that is 12% more than the pond area in order to cover the entire edges of the pond. The plastic cover cost...

Mr. Donahue needs eq177745_s1 pounds of flour to make 5 loaves of bread. He bought a 50-pound bag of flour that costs $64.99. About how much will Mr. Donahue spend on flour for a loaf of bread? A $1.17 B $5.85 C $6.50 D $58.49 how is this on A please expl...

Mr. Richards has two cars that he changes the oil in every four months. During an oil change, each car needs 4 1/2 quarts of oil. Each 5-quart container of oil costs $14.99. Before tax, how much will the oil cost Mr. Richards for both cars in a year? A $4...

During an oil change, each car needs 4 1/2 quarts of oil. Each 5-quart container of oil costs $14.99. Before tax, how much will the oil cost Mr. Richards for both cars in a year? A $44.97 B $80.94 C $89.94 D $107.93 why is this c

Jordan earns $11.35 per hour and works 40 hours per week. He then earns a 20% pay raise. How much money will Jordan now make each week? A $363.20 B $454.00 C $463.08 D $544.80 how is this d

what about Mohawk interactions with the europeans

In five games, you score 16, 12, 15, 13, and 17 points. How many points must you score in the sixth game to have an average of at least 15 points?

Which best describes interest?

A sample of tin (Cp = 0.227 J/g•°C) is placed in a freezer. Its temperature decreases from 15.0°C to −10.0°C as it releases 543 J of energy. What is the mass of the sample? Round your answer to three significant figures.

A cashier has only one dollar bills, quarters,and dimes. List all the ways you could receive $2.50 in change $1 Bills Quarters Dimes Ex. 2 2 0

Compare each pair of numbers. Use <, =,<, =, less than comma equals comma or >.>. greater than 3/5 and 5/8

The NBA regulations require the basketball court to be 132 feet long. How many meters is the length of the court?

ANGLE PAIR: h ttps://drive.google.com/file/d/1yqBraY-e0EiEWFV5JcW7eJ7nFhEz9SVq/view?usp=sharing Name two pairs of: 1. Corresponding Angles _____ 2. Alternate Interior Angles ______ 3. Alternate Exterior Angles _______ 4. Same-side Interior Angles ________...

Read each item carefully, decide whether the statement is TRUE or FALSE. Write your answer on the space before each number. __________ 1. All right angles are congruent. __________ 2. Two perpendicular lines form acute angles. __________ 3. Perpendicular...

Solve the following quadratic equation using square roots: −9+(x−3)2−4=−4 .

The equation of line a is y = 8 9 x + 6 . Line b is parallel to line a . What is the slope of line b ? Simplify your answer and write it as a proper fraction, improper fraction, or integer.

Answers

The following answers were posted by visitors named jhon.

x=400*1/2y x+y=29600-2*y x--> Concord population y--> Euclid population solve for x

how can I become active in politics that would help promote causes that you believe in.

Where could i find the answer?

its in percent (85%) i don't think it should be in decimal when i tryed it i got the answer as 28.9 tonnes

i want to add 34+85% i tryed it and i got 62.9

1) A simple harmonic motion is described by a = - 16x, where a is acceleration in m/s2 and x is displacement in m. What is the time period?

reply some one please

i think k.E= 1/2 mv2 AM i right/?

thank you damon can you help me with more

Mrs. Williams is going to purchase a plastic cover for her outdoor fish pond. The area of the fish pond is 25 m2. However, she must purchase a cover that is 12% more than the pond area in order to cover the entire edges of the pond. The plastic cover cost...

i is 4 1 /2 half pounds by the way

Mr. Richards has two cars that he changes the oil in every four months. During an oil change, each car needs 4 1/2 quarts of oil. Each 5-quart container of oil costs $14.99. Before tax, how much will the oil cost Mr. Richards for both cars in a year? A $4...

Given m = 10 and n = 9, the ratio of n to m is 10/9. True False

yes these are all correct

a 100 pound person would weigh 20 pounds on lo, a moon of jupiter. a person weighing 150 pounds would weigh 25 pounds on the moon. use ratio tables to determine which moon would make a person weigh the most

solve 4(7x - 4) = 124

Hello, I'm sorry but I got a 6/17 and this is totally not okay. I was checking my answers and totally changed them because of this and it did not work at all. These answers are completely wrong

YEAH NO BULLIES!!!!!

yay she is correct you guys can really trust her/him

YOU CAN TRUST ME THE ANSWERS ARE A A C B A! 100% TRUST ME!

its not 1,800 its 180, or 180,000

What is the significance of the title? Is it ironic? Why did the director choose this title? What does the title imply?