Posts by ashlee

Total # Posts: 120

Math
A coyote can run up to 43 miles per hour while a rabbit can run up to 35 miles per hour. Write two equivalent expressions and then find how many more miles a coyote can run in six hours than a rabbit at these rates

Math
11x+55=

Math
4×5 1/8

Math
I just figured this one out actually, thanks though!

Math
m^2-3mn+n^2+1=0 3m^2-mn+3n^2=13 What are the solutions? Thanks

Math
Solve. x^2-xy+3y^2=15, x-y=2 Thanks

Algebra
The function H(t) = -16t2 + vt + s shows the height H (t), in feet, of a projectile launched vertically from s feet above the ground after t seconds. The initial speed of the projectile is v feet per second. Part A: The projectile was launched from a height of 90 feet with an ...

math
The back of Dante's property is a creek. Dante would like to enclose a rectangular area, using the creek as one side and fencing for the other three sides, to create a pasture. If there is 720 feet of fencing available, what is the maximum possible area of the pasture?

Physics
Catching a wave, a 77-kg surfer starts with a speed of 1.2 m/s , drops through a height of 1.60 m , and ends with a speed of 8.5 m/s . How much nonconservative work was done on the surfer?

AP Chem
Calculate the partial pressure of 4.0 g methane when mixed with 16.0 g oxygen. The total pressure of both gases is 600. torr.

Math
R is a 3 digit number The first digit is the answer when the third digit is divided by 5. The second and third digits add to 8. The difference of the first and second digit is 2.

Chemistry
Using a 0.20 M phosphate buffer with a pH of 6.7, you add 0.71 mL of 0.55 M HCl to 52 mL of the buffer. What is the new pH of the solution?

Chemistry
You are instructed to create 200. mL of a 0.27 M phosphate buffer with a pH of 7.8. You have phosphoric acid and the sodium salts NaH2PO4, Na2HPO4, and Na3PO4 available. (Enter all numerical answers to three significant figures.) H3PO4(s) + H2O(l) equilibrium reaction arrow ...

Chemistry
How many milliliters of 0.150M BaCl2 are needed to react completely with 40.0mL of 0.260M Na2SO4?

Chemestry
determine the volume of a sample of plastic if the mass is 3.00g and the density is 1.24g/cm^3

Chemestry
Calculate the density of an object with a mass of 2.14g and a volume of 11.40mL.

Science
105g after the bubbling stops.

Physics
PPPPPPPLLLLLEEEEEEAAAAAAASSSSSSSSEEEEEEEE HELP

Physics
someone please answer these Physics Q answers no explanation 1 What is the opposite force to gravity 2 an example of a contact force 3 an example of a non-contact force 4 What effect does ‘mass’ have on inertia 5 two examples of forces that could slow an object down ...

math
Find the solution of the linear system. x + y + z = 0 −x + 2y + 5z = 6 3x − y = 12 (x, y, z)= ???

science
A swimmer travels from the south end to the north end of a 30.0 m pool in 15.0 s and makes the return trip to the starting position in 19.0 s. What is the average velocity for the roundtrip?

Math
Well the answer is

MATH
I think the answer is very simple. In order to find the answer you have to look closely to what the answer is telling you .

Math
The actual length of the picnic table is 180 cm with legs 60 cm. What is the scale factor for this diagram?

algebra
A baseball player hits a ball toward the outfield. The height h of the ball in feet is modeled by h(t) = -16t2 + 22t + 3, where t is the time in seconds. If no one catches the ball, how long will it stay in the air? (Round to the nearest tenth of a second and enter only the ...

Math
You want to build a garden around your garden. One side borders your house so it does not need a fence. If you only have 50m of fencing what dimensions should you make your garden in order to maximize the area?

Progamming
The Banking e-Teller system allows bank customers to perform ATM transactions from their cell phone. BET will allow customers to check balances, make remote capture deposits, and perform balance transfers to their checking or savings account. Balance transfers should only be ...

7th Grade
I did Physics, Earth sciences, Natural resources and Biology

Question
Is this website safe?

physics
Two charges separated by a distance of 1 m exert a 1.0N force on each other. If the changes are pulled to a 3-m separation distance, the force on each charge will be

programming logic and design
The Daily Gazette accepts classified ads in several categories. For most ads, the newspaper charges 10 cents per word for the first 50 words, and 8 cents per word for every word after that. Design a flowchart for a program that accepts data about an ad: customer name, ad ...

physics
A 5-kg crate is resting on a horizontal plank. The coeffi- cient of static friction is 0.5 and the coefficient of kinetic friction is 0.4. After one end of the plank is raised so the plank makes an angle of 25 with the horizontal, the force of ...

Math
I am the smallest fraction between 2/3 and 3/4. My numerator is 7 less than my dominator. What fraction am I?

Math
I am a fraction between 1/3 and 1/5 My dominator is 1 less than 4 times my numerator. What fraction am I?

Health
Depression is treatable in ________ of cases. A. 90% B. 20% C. 80% D. 50%

chemistry
consider the following equilibrium: Mg(OH)2(aq) <-> Mg2+ (aq) + 2OH-(aq) a) what would happen to the equilibrium if some acid is added to the soultuion? --->OH- would increase causing Mg(OH02 to dissolve b) what would happen to the solubility of Mg(OH)2? ---> it ...

chemistry
Given a saturated solution of CaF2, write the ionic equilibrium and use it to calculate the solubility of CaF2. My answers for the ionic equation and ksp values are CaF2(s)<->Ca2+(aq)+ 2F-(aq) Ksp= [Ca2+][F-]2 ksp=2.02*10^-4 it asks what will happen to the value of ksp ...

Honors Geometry
AB=3 BC=15

health
The answer is Relaxation, for anyone who wants to know.

health
omg im using this for ashworth too!!!! haha to funny!!!

college math
125x^9m+27y^6m

help please :)
its 1935

physics
The string on a violin has a fundamental frequency of 120.0 Hz. The length of the vibrating portion is 36 cm and has a mass of 0.58 g. Under what tension (in newtons) must the string be placed?

physics
A pendulum makes 23 vibrations in 36 s. What is its period in seconds?

Algebra
living in x aisle

physics
How large a force (in newtons) is needed to accelerate a 3 metric-ton vehicle from rest to a speed of 50 km/hr in 4 s?

Pre algebra
mr. and mrs.green received a discount of $87 on a new electric stove. the discount was the result of a 1/4 of sale. what was the sale price of the stove?

4th grade math
I can't understand a word.

Math
A trapezoid is formed by placing a right isosceles triangle next to a square as shown in the figure. The total area is 54 ft2. Find the length of the bases and the height.

English
Can anyone help me with this? After the sentence, identify the underlined part as a prepositional phrase used as an adjective, prepositional phrase used as an adverb, participle, participial phrase, infinitive, or infinitive phrase. Would you like to know more about ...

math
Enter the expression asin(x)+15, where asin(x)is the inverse sine function.

chemistry
WHAT WOULD HAPPEN TO THE REACTION THAT PRODUCES AMMONIA IF WATER IS PRESENT IN THE REACTION MIXTURE?

Chemistry
HCl (g) Hbr(g) HF(g) Which of these gases has the fastest average speed? The highest average kinetic energy? How do I determine this?

math
yz= 15 cm

math
my homework didn't give me one

math
if segment "LM" =12cm and "MN" =15cm, what is the length of "YZ"?????

physics
Two slits are illuminated by a 536 nm light.The angle between the zeroth-order bright band at the center of the screen and the fourth-order bright band is 16.1 degrees. If the screen is 176 cm from the double-slit, how far apart is this bright band from the central peak? ...

physics
All but two gaps within a set of venetian blinds have been blocked off to create a double-slit system. These gaps are separated by a distance of 3.1 cm. Infrared radiation is then passed through the two gaps in the blinds. The angle between the central and the second-order ...

Chemistry
methanol and aluminum are reacted. how many moles of methanol must burn to raise the temperature of 100g of aluminum by 80 degrees Celsius?

Statistics
Jamaal, a player on a college basketball team, made only 50% of his free throws last season. During the off-season, he worked on developing a softer shot in the hope of improving his free-throw accuracy. This season, Jamaal made 54 of 95 free throws. We want to test the ...

phyiscs
A stone is thrown horizontaly from the top of a 25.00-m cliff. The stone lands at a distance of 40.00 m from the edge of the cliff. What is the horizontal velocity of the stone?

12th grade-chemistry
what mass of lead (ii) iodide (pbl2, mass=461 amu)is precipitated by the addition of an excess of potassium iodide (ki, mass=166 amu)to 50.0 ml of 0.60 m lead (ii) nitrate (pb(no3)2, mass=331.2 amu)?

physics
a man has only 4 simple pulleys to lift a heavy load of 6000N. in roder to lift the load easily, he combines the pulleys (3 moveable, 1 fixed). given that the frictional forces are 300N, what force must he apply in order to lift the load?

college
Your asking for how many combinations and not the probability so ignore the answer above. First find the number of combinations if all letters and numbers can be repeated (26*26*10*10*10*10)=6760000 Then find the number of combinations if none were repeated (26*25*10*9*8*7)=...

research paper on code of medical ethics opinion 5
No one Principle of Medical Ethics can stand alone or be individually applied to a situation. In all instances, it is the overall intent and influence of the Principles of Medical Ethics which shall measure ethical behavior for the physician .Now days many copywriting services...

math
(3/5)/6=D/25

chemistry
How many mL of 0.750 M HCl are needed to neutralize 14.89 mL of 0.350 M NaOH? ____ mL

chemistry
A 3.455 g sample of vinegar is titrated. It requires 16.83 mL of 0.2145 M NaOH to get to the phenolphthalein end point. Calculate the weight percent of acetic acid in this sample of vinegar. ____ % Note: calculate the molecular weight to one decimal place, so the answer should...

Chemistry
Compare the properties of elements and compounds. Give two examples of each, including one example that exists in the human body. Explain the atomic nature of one element and one compound found in human body.

Science
Explain the feedback mechanisms that maintain homeostasis.

algebra
Plane X flies 2,000 kilometers in 5 hours. Plane Y flies half as far in twice the time. What is the average speed, in kilometers per hour, of plane Y?

chem
a 22.5g sample of (NH4)2CO3 (ammonium carbonate) contains _____ moles of ammonium ions?

Chemistry
a sample of C3H8O that contains 200 molecules contain how many atoms?

psychology
ha i sure wish i could.

psychology
im a high school student and my school does not give us a book. they just give us the paper and tell us to do the best we can. i just don't understand the way the question is worded. does it want to know what kind of technology is used and how it helps or does it want to ...

psychology
help me help me help me pleaseeee!! i need to know how computer technology enchanced psychological research?

psychology
how has computer technology enhanced psychologists research?

Math Functions
If f(x)=x^2-2 and g(x)=1/(3x) (x does not equal 0), find f^-1(x) where x </ 0

algebra
Uh...that makes two of us. If I got the problem I wouldn't be asking it.

algebra
If f(x)=x^2-2 and g(x)=1/(3x) (x does not equal 0), find f^-1(x) where x </ 0

English
What is the difference between Miss and Ms.?

Letter
What do you usually write to your sponsor child? Is there a template that I can see?

3rd grade-language
Your speed will increase with each day's practice. future tense Because of snow and ice on the runway, our departure will be several hours late. present tense Could someone tell me if these two answers are correct to the sentences?

5th grade math
thanks that helps

6th grade
Why does a bouncy ball bounce in spite of gravity?

math
what is the answer to whaat kind of shoes does a frog wear? on page 165 on algebra with pizzazz

science....help
i just compared saw like whether it is 3.98

science....help
thanks ....is it like... 25g 50ml float 0.5 65g 40ml float 1.625 36g 35ml float 1.0285 and ya 1 more question what is the difference between mass and weight?

science plzzz help
and ya 1 more question what is the difference between mass and weight?

science plzzz help
thanks ....is it like... 25g 50ml float 0.5 65g 40ml float 1.625 36g 35ml float 1.0285

science plzzz help
1 what si the diference between mass and weight? 2 will the following substances float or sink in water at 3.98 degree celcius? Mass volume float & sink 25g 50ml ? 65g 40ml ? 36g 35ml ?

science
if you cut the marble into two equal pieces, what will be the density , mass and volume of one of those pieces.

Mth plz...help
is the answer no. 1?

Mth plz...help
A linear regression equation of best fit between a student's attendence and the degree of sucess in school is h = 0.5x + 68.5. the correlation coefficent, r, for these data would be (1) 0 < r < 1 (2) -1< r < 0 (3) r = 0 (4) r = -1

geomatry
Given: Isosceles trapezoid CPRQ with base R CXQ Prove: QCX is isosceles it needs to be a two column proof

spanish
hello(: ive been learning spanish; & i need some help on it.!

trigonometry word problems
2x^2-x-28=0

math riddle ALGEBRA WITH PIZZAZZ
Did you heaar about.... its the one that has cow the his who & decided in the colomn as 1 of the answers

Math
what is 3X squared minus 4X = 20 minus 15X?

Math
how do i complete 2X squared minus X minus twenty one = 0?

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