# Posts by Julia

Total # Posts: 658

**Geometry proving quadrilaterals**

Proving quadrilaterals PLEASE PLEASE PLEASE HELP *the diagonals of a square bisect the vertex angle * the diagonal of a rhombus are perpendicular *each diagonal of a rhombus bisects the opposite angles of the rhombus help me prove please how ? tell me

**science**

Mitochondria becaus that's where alll the oxygen, water, and food is stored

**Math 6th Grade Level**

A baker bought 680,000 oz. of flour and packed the flour into 200 bags of equal size. He used some flour and had 100 bags left. He decided to repack the remaining flour bags into bags of 5,000 oz. bags. How many bags of flour did he have in the end?

**Math**

Mei packed 783 strawberries equally into 9 cartons. After giving 4 cartons to her neighbors, she decided to repack 5 strawberries into each carton. How many cartons of strawberries did she have in the end?

**Math**

A homeowner empties her hot water heater every 36 days and changes the filter in the heat pump every 48 days. She did both on Friday September 17, 2012. When again will she do both on the same day? (give the day of the week, the date, month, and year)

**physics**

The Easy Bake Oven is a common toy for young children who want to emulate the process of cooking. Suppose this oven is plugged into a 120 V electrical outlet and "cooks" the food by using a 144 ohm resistor light bulb that converts electrical energy to both light and...

**organic chemistry**

for each of the following compounds, draw the form in which it will predominate at ph=3, ph=6, ph=10, and ph=14. a)CH3COOH b)CH3CH2NH3 c) CF3CH2OH please explain how to get answers. my book does not give clear examples.

**BIOLOGY!!!!!!**

What is the reletive amounts of mRNA that will e transcribed if there is no promoter and enhancer?

**French**

Help me conjugate this in French? Need help Atterrir, tu Fleurir, les plantes Fondre, les garcons Perir, les fleurs Penser, tu Manger, vous Verifier, les professeurs Marcher, le chat noir

**chemistry**

i need help also

**math**

I need 2 three digit numbers that total 16848

**Math**

I DONT KNOW!!!

**finance**

Mrs. Kay who is 24 years old plans to retire at the age of 60. Mrs. Kay would like to be able to withdraw $120,000 per year from her retirement account for 40 years after retirement beginning a year after her retirement. She already has $15,000 in her retirement investment ...

**chemistry**

What is the specific heat of an unknown substance if a 2.31 g sample releases 12.5 cal as its temperature changes from 24.9°C to 20.7°C? Please explain ans show steps.

**math**

100

**LA**

B, obviously

**math**

a storage crate has the dimensions : 12ft * 6ft *5ft. how many cube-shaped boxes measuring 8 inches in length could be stacked completely within the cube??

**Chemistry**

Enough of a monoprotic acid is dissolved in water to produce a 1.47 M solution. The pH of the resulting solution is 2.64. Calculate the Ka for the acid.

**adv functions**

Hi! I need help with determining the value of each of the following logarithmic expressions. Do not change the bases- thx a) log[base8]4 b)log[base(1/3)]27

**Physics**

if a toy car's motor propelled it 1.905m in 7.1 seconds and it kept rolling .38m for 8.6 seconds what is the coefficient of friction between the wheels and the floor assuming that is the only source of friction. i know accel=.08m/s2 and -.12m/s2 but after that i got lost.

**Physics- so confused!!**

I am not sure. I think the speeds are for the bullet before and after passing through the block. However, in the diagram the second block is in a different spot after the bullet hits it.

**Physics- so confused!!**

A bullet with a mass of 5.40 g is fired horizontally at two blocks resting on a smooth and frictionless table top as shown in the Figure. The bullet passes through the first 1.20 kg block, and embeds itself in a second 1.20 kg block. Speeds v1 = 3.90 m/s and v2 = 1.70 m/s, are...

**chemistry**

At 2273 K, Keq = 6.2 multiplied by 10-4 for the following reaction. N2(g) + O2(g) equilibrium reaction arrow 2 NO(g) If [N2] = 0.04700 mol/L and [O2] = 0.01200 mol/L, what is the concentration of NO at equilibrium? please answer and explain this one as well.

**chemistry**

please help and explain. At a certain temperature, Keq = 10.5 for the equilibrium below. CO(g) + 2 H2(g) equilibrium reaction arrow CH3OH(g) Calculate the following concentrations. (b) [H2] in an equilibrium mixture containing 1.01 mol/L CO and 0.335 mol/L CH3OH

**Chemistry**

I was taught that hydrogen bonds are actually very weak, but it may just be a matter of different teachers. I would answer C) Covalent Bonding because they SHARE an electron keeping them very close and tight.

**Science**

77.15 ....YAY GOOGLE!

**language**

Well this totally depends on the child. My younger siblings all started around six, but this could vary.

**Physics**

A 250N force is applied at an angle of 32 degrees above the horizontal to a 96kg box causing it to slide along a floor. The coefficient of friction between the box and the floor is 0.18. What is the magnitude of the net force on the box? The answer is 67N, I'm just not ...

**Physics**

A box is held against a wall (not resting on the ground). What minimum horizontal force will JUST prevent the 5.0kg box from sliding if the coefficient of friction betweent he wall and the box is 0.65?

**Biology**

A golgi body is used to package proteins and lipids into vesicles for transport, so it's probably a cell that produces proteins or lipids or both.

**social studies**

- languages - if their mother country went to war, would they join (eg. WWI (Canada): british immigrants wanted to join Britain, but french immigrants felt no connection to Britain and wanted to stay out of the war...) - school systems - religion ...the list goes on, I'm ...

**algebra I**

how do I solve for 16x^2+56x-120

**Algebra**

isn't it: [(26^4)+ (10^3)]-241

**french**

what is the weather like in Spring?

**German**

This IS grammatically correct, but it sounds weird (no offense :P). It means "I would rather put on make-up than he would", more or less. There would be better-sounding ways to say this although it is correct.

**math**

The application of one function followed by the application of a second function to the result of the first as in F^-1(f(x)) is called composition of functions. The two functions need not be inverse of each other. In a diagram, the output of one function is f(x) is used as the...

**physics**

The launching speed of a certain projectile is 3.0 times the speed it has at its maximum height. Calculate the elevation angle at launching

**Chemistry**

Thank you so much for the detailed steps. Finally understood what I need to do.

**Chemistry**

Calculate the value of Kp for the equation C(s)+CO2(g)<->2CO(g) Kp=? given that at a certain temperature C(s)+2H2O(g)<->CO2(g)+2H2(g) Kp1=3.33 H2(g)+CO2(g)<->H2O(g)+CO(g) Kp2=.733 Please show detailed steps.

**Physics please help!!**

A basketball player throws the ball at a 38° angle above the horizontal to a hoop which is located a horizontal distance L = 5.6 m from the point of release and at a height h = 0.4 m above it. What is the required speed if the basketball is to reach the hoop? Not sure how ...

**Physics please help!!**

A stone is aimed at a cliff of height h with an initial speed of v = 64.0 m/s directed 55.0° above the horizontal, as shown in the Figure below by the arrow. The stone strikes at A, 7.31 s after launching. What is the height of the cliff? What is the maximum height H ...

**Physics please help!!**

A person who is 1.4 m tall throws a ball with a speed of 4.2 m/s at an angle of 25 degrees above the horizontal. What are the x and y components of the velocity (in m/s) of the ball the instant before it strikes the ground? The acceleration due to gravity is 10 m/s2

**Physics please help!!**

The launching speed of a certain projectile is 9.0 times the speed it has at its maximum height. Calculate the elevation angle at launching.

**Physics please help!!**

A projectile is fired at 45.0° above the horizontal. Its initial speed is equal to 42.5 m/s. Assume that the free-fall acceleration is constant throughout and that the effects of the air can be ignored. What is the maximum height reached by the projectile? At what time ...

**Physics please help!!**

A person who is 1.4 m tall throws a ball with a speed of 4.2 m/s at an angle of 25 degrees above the horizontal. What are the x and y components of the velocity (in m/s) of the ball the instant before it strikes the ground? The acceleration due to gravity is 10 m/s2

**Language**

Oh, hahah, I wasn't thinking right. I looked back over the question and I am almost possitive that is it #3.

**Language**

Sorry, I don't understand what you are saying, What text?

**Language**

What are the three main parts of a research report? 1.title, body, conclusion 2.introduction, body, sources 3.introduction, body, conclusion 4.introduction, evidence, conclusion and I just need it checked, I believe that it is #4...is that right?

**Physics**

You hang mass m=0.22 kg on a spring with constant 12 N/m. You pull the mass down a distance of 0.04 m from its equilibrium position and release it. You measure the period to be 0.85 s. If you instead pull the mass down 0.12 m from its equilibrium position and release it, what ...

**math**

a flagpole casts a shadow 10 ft. long if a man 6 ft. tall casts a shadow 4 ft. long at the same time of day, how tall is the flagpole.

**CHEMISTRY**

Silicon (50 g) has been doped with 27 mg of antimony (Sb). Determine the concentration of free charge carriers (carriers/cm3) at room temperature in this material. Calculate the absorption edge of this material. Express your answer as a wavenumber in units of inverse meters

**chemistry**

The solubility of bismuth iodide (BiI3) in water is 9.491 x 10-3 M. Calculate the value of the solubility product. The dissolution products are Bi3+(aq) and I−(aq)

**math**

C. Bar graph Bar graph is used to compare discrete data

**MATH I HAVE ASKED TWICE ALREADY!!!!!!!!!**

There will be more than one answer. To have a remainder of 8, the divisor must be greater than 8. The only single digit greater than 8 is 9, so 9 must be the divisor. Since 8 is 1 less than 9, the dividend needs to be one less than a multiple of 9. Candidates are values of 3 ...

**English**

Scotland

**Math**

Um so what's the answer, 35 or 12??

**English - Ms. Sue help**

I just took this and it is actullly, 1.b 2.c 3.b 4.c not even kidding....Promise!

**Statistics**

Is is possible for the regression equation to have none of the actual (observed) data points located on the regression line?

**Statistics**

If a research report contains the results of an independent measures ANOVA as follows: F(3,28) = 5.36, p<.01 the study only compared two groups rather than three correct?

**math**

"the area of the region under the graph" is an integral of f(x) from a to b, in your case from 4 to 10. ∫ f(x) from 4 to 10=∫ (10x-5)dx from 4 to 10. you just have to compute the integral and that will give you: 1/2*10x^2-5x evaluate it from 4 to 10 I ...

**Math**

Do you have any information about length of the sides maybe? By the way you do have information about at least one angle and it's 90 degrees (because triangle is a right one)

**Math**

I posted the answer under your previous question.

**Math**

The formula is y-y1= m*(x-x1) 1. Find the midpoint= [(x1-x2)/2, (y1-y2)/2] you will get (-4,-2) 2. Find slope m1= [2-(-6)]/[-7-(-1)]= 8/-6=-4/3 3. find the slope of the perpendicular line m1*m2=-1 -4/3*m2= -1 m2= 3/4 4. Plug in given points (-7,2) and (-1,-6) and m2 in the ...

**math**

Did you provide the all information? Because all you can do with the given information is to plug P=4 into the equation and find x, but x is quantity of CD demanded. Consumer surplus is the difference between the max price a consumer willing to pay and the actual price they do...

**Math**

2.4*7.5+6*1=24

**math**

You start with 4 matches, then you add only three more to get another (attached to the fist one) square. Then each time to get one more square you add 3 more matches. Now, let x be a number of squares you can make from a given number of matches. Then 4+3*(x-1)=100. I used (x-1...

**math**

You should first convert 1.4t into kg. Then from that number subscribe empty trailer's mass and you will get the answer

**math**

Divide distance 4 1/2 by 1 1/2 you will get 3 (miles per hour). Please check exact math using the calculator but I believe it is right

**math pls help Ms Sue**

Sorry for misspells! Getting late!

**math pls help Ms Sue**

I am not sure with one, m or n, is an input and which one is output. But I believe the following rule can work: To get n: 15-3, 10-2, 5-1, 0-0 . As you can see each time the number (3,2,1,0) that you have to subscribe to get n is getting smaller by one. (if m is an input, but ...

**math**

I posted the answer in your latest question

**Math**

I think margin of error is 0.08, because if 0.5-0.08=0.42 (or 42%) and 0.5-0.08=.58 (or 58%) so 0.08 works perfectly

**math**

I believe first you need to add them 38+26=64, and then 10+54=64

**Calculus**

1/6(8+t)^6+constant

**7th grade math**

2A. 329.00*15%= 329.00*0.15=$49.35 this is the discount. 329 - discount = 329 -49.35=$279.65 discounted price 2B. 329*10%=329*0.1=32.9 is how much more the ipad will cost compared to the old price (increase in price). Now add it to the old price: 329 + 32.9=$361.9 is new price...

**7th grade math**

1A. 12.99*5%=12.99*.05=0.65 this is the sale tax 12.99 + 0.65= 13.64 is the price after tax 1B. 12.99*20%=12.99*0.2=$2.6 is discount 12.99 - discount= 12.99 - 2.6=10.39 is the price after discount was applied 10.39*5%=10.4*0.05=0.52 is the tax 10.39+.52=$10.91 is the price ...

**physics**

A 66.0 kg rider sitting on a 7.1 kg bike is riding along at 9.4 m/s in the positive direction. The rider drags a foot on the ground and slows down to 6.5 m/s still in the positive direction. What is the change in momentum of the rider and bike?

**Algebra 2**

Te arch of the Sydeny Harbor Bridge can be modeled by y= -0.00211x^2 + 1.06x where x is the distance (in meters) from the left pylons and y is the height (in meters) of the arch above the water. For what distances x is the arch above the road? (It has a picture and in it the ...

**counting up method**

how do you do the counting up method

**math**

24 marbles

**AP Global**

Please, help! How did Islam unite and effectively rule diverse people and cultures?

**English - Ms. Sue help**

I just need an answer to No. 9 on the CCA Lang. Art test: "Rewrite the first stanza of "Scott's Goodbye" ,as free verse. I don't really understand "stanza", and "free verse"?

**Science**

Thanks a bunch!

**Science**

I have been thinking of something to do for my schools science fair for weeks and my teacher keeps telling me that i can't do my idea because its too easy for an honors student. I'm all out of ideas and I need help! Please!

**math**

what is the reciprocal of 3 5/7

**English**

Logos

**Algebra 2**

What's the solution?

**Algebra 2**

D-R=1550+42t-15t=1550=27t

**algebra 2**

Previos: D(t)=1550+42t-15t=1550=27t (t represtentnig time) Based on the function for D, what would be the total amount of non functional components in 2014? Let 1993 be represented by 0.

**world history**

Constitutional Monarchy :)

**English HELP!!!!!**

I have to find a antonym for atmosphere. Help please!!!

**math**

Need the full answe with every step and show you're work please

**physics**

A frictionless30degrees incline should provide an acceleration of 4.90m/s2 down the incline. A student with a stopwatch finds that an object, starting from rest, slides down a 15m very smooth incline in exactly 3s. Is the incline frictionless?

**Math**

looked it up helped allot! (:c)

**Math**

what i don't understand

**health**

lol wow same here i justjoined the ashworth family...

**HEALTH**

lol, so immature

**computers**

Although label choices vary for different printers, your textbook recommends __________ for laser and ink jet printers. A. Avery standard, 5160, Address B. Avery standard, 6150, Label C. Avery standard, 6150, Address D. Avery standard, 5160, Label I've looked through the ...

**early childhood**

When children learning. Alphabet which do they recognize first. A.oc B.kc C.br D.te Answer This Question

**Derivatives?**

Given that f(-0.5)=2 and f'(-0.5)=4, use a tangent line approximation to estimate f(0). The lesson is not very clear on what a tangent line approximaton is.