# Posts by Julia

Total # Posts: 667

**Science**

True or False? Can someone check to see if I am correct. If not, why? a) Two samples of matter have the same volume must have the same density FALSE: could have different densities b) two samples of matter having the same volume and the same number of particles must have the ...

**science**

The modern atomic model includes electrons orbiting the nucleus. Which of the following parts of Dalton's atomic model was disproved by the discovery of the electron? - Atoms are tiny particles. - Atoms cannot be divided into smaller parts . - Atoms have specific mass and ...

**Math**

Geddy has a pool with a volume of 25.0m^3. It costs $2.35 per cubic foot (ft^3) to clean. How much will it cost to clean the pool?

**language arts**

ms. sue please help the characterization of the children is an important part of "The Story-Teller". which of the following quotes from the story offers the best evidence for the character of Cyril being mischievous? A. the children moved reluctantly to the window. &...

**Math**

the area of a square is equal to one less than one-half its perimeter. How long is each side? (A=s squared and P=4s, where s represents the side length of the square)

**5th grade math**

need in layman's terms, please, thank you

**Math**

but the 2 isn't divisible by 5?

**Math**

yes, it does, thank you

**Math**

thanks so much :)

**Math**

so it's 9,405,271? I'm the Grandmother and this 5th grade work is beyond me. thank you

**Math**

you are right, 9,805,472

**Math**

7 digit number no repetition of numbers digit 5 in thousands place, greatest digit in the millions place, digit in the hundred thousands place is twice the digit in the hundreds place, digit in the hundreds place is twice the digit in the ones place, digit in the tens place is...

**Math**

this is way out there for us, she's only in 5th grade, but thank you

**Geometry**

Anybody?

**Geometry**

A carpenter checks to see if a board is warped by laying a straightedge across the board in several directions. State the postulate that is related to this procedure.

**Language Arts**

Does anyone have the correct answers for #1-6 and #8-18

**math**

2.If a sledgehammer that weighs 18 newtons on Earth will weigh about 4 newtons on the planet Namar, then your weight on Namar would be about ___ times your weight on Earth. A. 0.25 B. 4 C. 0.5 D. Not enough information

**math**

thxs

**math**

never mind

**math**

is it $3.75 because the unit rate is $2.50/1 and to get 10 you multiply the denominator, 1, by 15 and what u do to the bottom you do to the other so $2.50*15=37.5 and it equals 37.5/10 which is 3.75

**math**

At Frugal Foods a loaf of bread cost about $1 in 1980. In 2013, the loaf of bread cost $2.50. 1.A ratio is a comparison of two amounts by division. What is the ratio of the cost of a loaf of bread in 2013 to the cost in 1980? *$2.50/1 2.Assuming the price of clothing increased...

**Pre-Algebra (Probability)**

the probability of spinning an even number is 40 percent what is the probability of not spinning an even number in a decimal

**math**

maya made a sign with an area of 48 square centimeters What could her sign look like

**chem**

For the reaction: N2+3H2<--->2NH3 4.000 mol N2, 2.000 mol H2, and 6.000 mol NH3 are placed in a 2.000 L container and allowed to reach equilibrium. When equilibrium is established the [H2]=2.77 M. Calculate the equilibrium concentrations of nitrogen and ammonia. ...

**chem**

For the reaction: N2+3H2 <-----> 2NH3 1.000 mol N2 and 1.000 mol H2 are placed in a 1.000 L container and allowed to establish equilibrium. When equilibrium is established the [N2] =0.921M. Calculate the equilibrium concentrations of hydrogen and ammonia. Calculate K.

**chem**

For the reaction: A+B <-----> 2C (all gases) 2.0 mol A, 2.8 mol B and 1.0 mol C are placed in a 2.0 L container and allowed to reach equilibrium. When equilibrium is established [C]=0.75 M. Calculate all equilibrium concentrations. Calculate K. I am so confused!

**math**

June has twice as much money invested at 5% simple annual interest as she does at 4 %. If her year income from the two investment is $315 how much does she have at each rate?

**English**

11- Before Derrell made a serious purchase, such as a car, he would study the competition?

**English**

10- Before finishing the meeting, the chair of the group offered many ideas?

**English**

8- We should consider traveling to China this summer?

**English**

@Ms Sue

**English**

could 6 be The faculty had made recommendations for the honor society?

**English**

I know the answers to 3, 5, 7, and 9

**English**

Identify awkward or pretentious diction in the following sentences, and revise each sentence as necessary to improve clarity. 2. Let’s have a discussion of the essay you read for homework. 3. Khaya finally came to the realization that she preferred research to teaching. 4...

**science**

A charge of +9.0 nC and a charge of +4.0 nC are separated by 50.0 cm. Find the equilibrium position for a −1.0 nC charge as a distance from the first charge. The Coulomb charge is 8.98755 × 109 N · m2 /C 2 . Answer in units of cm.

**Chemistry**

I need to use those numbers to find the final concentrations for each individual solution.

**Chemistry**

I have to use the given concentration of 7.03 micromoles/liters to determine the concentration for the following dilutions. 1. mL stock solution-2 mL distilled water-8 2. mL stock solution-4 mL distilled water-6 3. mL stock solution-6 mL distilled water-4

**English**

@ms sue, how about "How did the pilot know where in the air he was?"

**English**

Identify the simple sentences in the following paragraph. I know the first and third sentences are simple. The air show announcer hushed. He had been squawking all day, and now he quit. The crowd stilled. Even the children watched dumbstruck as the slow, black biplane buzzed ...

**geometry**

i need help on a question that involves finding the "value of the variable" ive started the question but im stuck of how to continue .its a right triangle which hypotenus length is cut by a altitude line "w+9" .the lengths cut are 8 and 18 .

**Science**

California's volcanoes formed as a result of colliding boundaries.

**english**

Points for the motion

**Chemistry**

the titration of an ascorbic acid requires 18.5 mL of .0105 M KIO3. how many mmol of ascorbic acid were in this sample?

**Social Studies Please Check Answer**

where do most people in arabia and iraq live? a.in the fertile crescent b.in the rub' al-khali c.in cities d.in and around mecca what is the answer

**math**

idk the answer

**English 10 help please**

metaphoe

**Trig**

the angle of elevation to the sun is 65 degrees. A building casts a shadow 16m long. What is the height of the building to the nearest meter?

**Algebra**

You invest an initial $4,500 in an account that has an annual interest rate of 4.5%, compounded daily. How much money will you have in the account after 10 years? Round your answer to the nearest whole number.

**calculus**

Use l'hopital's Rule to evaluate lim x in 0 of (4x(cos 6x-1 )) / sin 3x-3x

**math**

Richard put a counter on 6. He counted by tens. what are the next 3 numbers he counted? My answer is: 16, 26, 36

**calculus**

never mind i got it thanks

**calculus**

A spotlight on the ground is shining on a wall 24m away. If a woman 2m tall walks from the spotlight toward the building at a speed of 1.2m/s, how fast is the length of her shadow on the building decreasing when she is 4m from the building?

**Physics**

you need ti multiply your answer by two because its asking for diameter. The answer you got is jut the radius

**Algebra**

Find the dimensions of the rectangle of the largest area that can be enclosed by 200 meters of fencing

**calculus**

The volume of a cube is increased from 729 cubic centimetres to 849.285 cubic centimetres. Use differentials to determine: a) by approximately how many centimetres the side length of the cube increases ? B) by approximately how many square centimetres does the surface area of ...

**Calculus**

The volume of a cube is increased from 729 cubic centimetres to 849.285 cubic centimetres Use differentials to determine : (a) by approximately how many centimetres does the side length of the cube increase? (b)by approximately how many centimetres does the surface area of the...

**Science**

No the answers are c b a c if you want 100%

**Logic**

mushroom & purple => poisonous mushroom & poisonous => purple mushroom & ~purple => ~poisonous mushroom & purple => ~poisonous

**physics**

An electron travels 2.7 m in 6.37 × 10−8 s. How fast is it traveling?

**CHEM**

In the preparation of a rock salt solution, 1.522 grams of impure rock salt was dissolved in 50.0 ml of distilled water. The total mass of the solution was found to be 51.522 grams. Calculate the weight percent of impure rock salt in the prepared solution.

**math**

9805472

**math**

I have a 15ft board I need to cut into 2 1/8 inch pieces how many can I cut

**Maths**

How would you convert 11 minutes into hours?

**Math**

The answer would be one of two choices, the first would be different, the second would be the same. The same applies for the second blank.

**Grade 10 Maths**

An area for planting crops is given by: A = 800 + 20x - 1/2x^2 Find the value of x which the area is a maximum

**physics**

bob pursley, can you answer my question. SCIENCE BIOLOGY. My name is Julia. THanks. I have till 12 am. HELPPPP

**SCIENCE:BIOLOGY>**

bELIEVE ME OR NOT BUT i'M PRETTY SURE I HAVE MINE RIGHT.THX FOR YOUR HELP ..NOT! tHANKS DR.bOB222

**SCIENCE:BIOLOGY>**

1. How many seconds do you spend in school during the week (6.5 hours/day)? 2. How many micrograms are in 12 dekagrams? 3. How many centimeters are in 5 kilometers? 4. 3.25 liters are equal to how many kiloliters? 5. how man meters are in 0.65 hectometers? 6. How many grams ...

**chemistry**

Dr.Bob can you answer my questions. My name is Julia.. my topic is in Science:Biology

**History/ English**

please help!

**History/ English**

What does the novel 1984 by George Orwell teach us about history? In what ways is Winston a historian?

**math**

Determine whether the system of equation is in row-echelon form. x-y+3z=-11 y+8z=-12 z=-2

**Math**

A hair product company sells three types of hair products for $30, $20, and $10 per unit. In one year, the total revenue for the three products was $800,000, which corresponded to the sale of 40,000 units. The company sold half as many units of the $30 product as units of the...

**Chem**

Oops 0.10 mol NaOH

**Chem**

When 1.10 mol of NaOH is added to 1.00 L of 0.30 M HCl the pH of the resulting mixture is: a) 0.52 b) 0.70 c) 1.00 d) 13.30

**Scientific Method**

B is the correct answer

**English**

Choose the answer that identifies the function of the gerund in the sentence. Yes, this player has worked hard on improving his strength this season.

**Chemistry**

Thanks :)

**Chemistry**

Explain why methyl red would be a good indicator for a titration of 0.25M NaOH with .025M HNO3, but a poor choice for use in a titration of 0.25M NaOH with 0.25M HCN. I'm pretty sure the first step is to find the pH of the two titrations (and then compare those to the pH ...

**math**

I'd convert it to minutes. 14x60=840 (plus the 3 minutes)=843minutes Divide 843 by 3 = 281minutes Then convert back to hours and minutes... 281 divided by 60 = 4hr (leave out the decimals since they represent the left over minutes) 4x60=240 (this is the time already ...

**Math**

175g AgCl x (1 mol/247.9g) x (1 Ag2S/2AgCl) x (143.4g/1 mol) = 50.615g Ag2S I'm assuming you've learned about basic stoichiometry and how to use mole bridges? Otherwise this type of question wouldn't be asked.

**Traditional african marriage is an advantage for men only,women**

I agree wth a statement....i see that as an excuse for cheating coz usualy those mens are polygamist

**math**

Terry wants to buy one pair of moccasins. She can choose from some that costs $22.50, $27.00, $20.95, and $24.75. How much will Terry save if she buys the least expensive instead of the most expensive pair?

**MATH**

Thank you.

**MATH**

14% of what number is 84?

**CHEM**

Can you show me the formula I need to do this problem. please a solution is made by dissolving 0.35 mole of LiI in enough water to give a final volume of 2.60 ml. What is the molarity of the solution? thank you

**CHEM**

can you show me the formula for this problem. calculate the grams of NaOH present in 9.0 ml of a 8.0 (m/v) NaOH solution. thank you

**chemistry**

Calculate the concentration in % (m/m) of a solution containing 20.5 g of LiF dissolved in 340.0 g of H2O. a.1.14% (m/m) b.5.69% (m/m) c.6.03% (m/m) d.6.42% (m/m)

**chemistry**

In which of the following pairs of ionic compounds are both members of the pair soluble in water? a.AgNO3 and AgCl b.LiOH and Li2SO4 c.PbSO4 and BaCO3 d.NH4I and Sn3(PO4)2

**Math**

Write in order from least to greatest. +3,-1,-4,+2,0

**Physics**

Block A in the figure weighs 48.0N . The coefficient of static friction between the block and the surface on which it rests is 0.250. The weight w is 6.00N and the system remains at rest. -Find the friction force exerted on block A. -Find the maximum weight w for which the ...

**physics**

A driver drives 2.5 hours at an average speed of 48MPH. What distance does she travel in this time?

**physics**

A driver drives 2.5 hours at an average speed of 48MPH. What distance does she travel in this time?

**,;**

i believe that its D, because meat is more fatt-ning

**math**

If x varies inversely withy 3, and x=6 when y=3, find x when y=2.

**math**

A robotic basketball player tosses a ball upward from a height of 7 feet, at an initial speed of 111 feet per second. The height of the ball is modeled by the equation: h=−16t2+111t+7, where h is the height above the ground in feet and t is the time measured in seconds. ...

**math**

You are putting a brick walkway along two sides of a rectangular garden that measures 6 meters by 15 meters. The path will run the length of the garden, turn the corner, and run along the width. You only have enough brick to cover 46 square meters. How wide should the border be?

**Math**

Mushrooms produce a tremendous number of spores. However, very few spores go on to establish a new mushroom colony. A "colony" is actually a little bunch of fuzzy-looking cells called a mycelium. Let's say a particular mushroom produces a billion spores in a day...

**Math**

Uncle Joe made chocolate chip cookies. Eric ate fifty percent of them right away. Ryan ate fifty percent of what was left. Ten cookies remain. How many cookies did Uncle Joe make?

**Math**

There are three hundred students at Mackenzie Middle School in Brain City. If 57% of the students are female, what is the ratio of female students to male students? Answer in lowest terms