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Posts by gavin

Total # Posts: 102

Chemistry
In 2-3 sentences, describe how propanoic acid (C2H5COOH) and propanoate anion (C2H5COO-) can be used to make a buffer solution if the Ka of propanoic acid is 1.34 x 10-5.

i need help with connections acadamy
i need help with lesson 19 sounds and ideas unite test. I know all of the answers down to number nine, I do not understand the rest please help gavin grade 7

math
dont know

math
0.333333333 US pints is equal to what

Math
probably B

physics
a motorcycle moves at an initial velocity of 40km/h and accelerates at a constant rate of 8.3 m/s^2 for a distance of 120m how fast is the motorcycle then moving?

MATH
The ratio of the measures of the acute angles of a right triangle is 3:2. What is the measure of the smaller acute angle?

Math
A chef has a 2 3/8-pound salmon filet. He slices the filet into 4-ounce servings. a. How many pounds is each serving? Write your answer as a fraction in simplest form.Each serving is pound. b.How many 4-ounce servings can the chef create from the filet? c.How many ounces of ...

Math
You pay $9.70 for 2.5 pounds of roasted peanuts. You buy 1.4 pounds of almonds for $8.55 per pound. b. How much more do you spend on almonds than on roasted peanuts?

Math
A chef has a 238-pound salmon filet. He slices the filet into 4-ounce servings. a. How many pounds is each serving? Write your answer as a fraction in simplest form.Each serving is pound. b.How many 4-ounce servings can the chef create from the filet? c.How many ounces of ...

Math
1.62 divided by 0.8 16.2 divided by 8 0.0162 divided by 0.008 0.162 divided by 0.08 There are actually two different ways to complete the expressions above with the given numbers so that each expression has the same value. What could the value of all four expressions be?

Math
The area of a rectangle is 3/5 square meter. The width is 2/5 meter.How many times greater is the length than the width? Write your answer in simplest form.

Math
The distance between Exit 12 and Exit 13 is 2.7 miles. The distance between Exit 13 and Exit 14 is 0.9 mile farther than the distance between Exit 12 and Exit 13. The distance between Exit 13 and Exit 15 is 6.8 miles farther than the distance between Exit 12 and Exit 14. What...

Math
The distance between Exit 12 and Exit 13 is 2.7 miles. The distance between Exit 13 and Exit 14 is 0.9 mile farther than the distance between Exit 12 and Exit 13. The distance between Exit 13 and Exit 15 is 6.8 miles farther than the distance between Exit 12 and Exit 14.

Math
You pay $9.70 for 2.5 pounds of roasted peanuts. You buy 1.4 pounds of almonds for $8.55 per pound. a. How much less do roasted peanuts cost per pound than almonds? $ less per pound b. How much more do you spend on almonds than on roasted peanuts? $

Math
Write the word sentence as an equation. The product of a number n and 2 is 2.

Math
Find the area of the parallelogram. 13 times 8

Math
What is 2/7 divided by 5/6 in simplest form?

Math
no 153 divided by 31

Math
Estimate the quotient of 152 and 31

math, PLEASE HELP!
I still don't get it, can you give me an example?

math, PLEASE HELP!
Point E(0, -2) is a vertex of square DEFG. After a 90* clockwise rotation of the square about the origin, which of the following is the location of E? A. (-2,0) B. (2,0) C. (2,2) D. (0,2) Point D(-3,5) is a vertex of triangle DEF. After rotation of the triangle about the ...

Language arts
What is the answer? I really don't understand L.A

Algebra
Write and solve an equation to find how much warmer Montana's average 3 month temperature is than Minnesotas. Montana weather is -0.7 degrees celsius and Minnesota is -2.5 degrees celsius

math Help
Multiplying and Dividing Fractions Carol is baking cookies and needs two and one-fourthcups of flour, two-thirdscup of white sugar, one-fourthcup of brown sugar, andone -sixteenth cup of baking soda. Use this information to answer the following questions. 1 Divide the amount ...

P.E
thank you very much!

P.E
I think true

P.E
sorry I didn't finish it, At the end True or False

P.E
can stress can have long-term physical and emotional consequences

P.E
Which of the following defense mechanisms is Marissa using when she says "so what if I broke her stupid toy? She is always bothering me when I want to play video games and no one should have to put up with that all the time." A. Compensation B. denial C. Reaction ...

P.E
ohh, because your body heats up when you get mad. oh ok thanks!

P.E
you feel anger not only mentally and emotionally, but also physically. True false.**** I think false

p.e
Tanya decided that she wanted to enter the next charity marathon. She set up a schedule for daily exercise that would prepare her for the long run. This is an example of. a.) health advocacy b.) an action plan c.) a value d.) a risk I think B

geomtry
A diameter of a circle has endpoints P(-10,2) and Q(4,6) a. find the center of the circle. b. find the radius of your answer is not an interger express in radical form c. write an equation for the circle

Health and Physical
it is most definetally nerons

Algebra
m=1/3 b=-4

social studies
wierd

English
snow is right, thx!

Language Arts
Camster was right

Math
They both have two zeros because they're multiples of ten

Math
Thanks!

Algebra with pizzazz
They thrust my earlobes

Science
He was right! omg thanks!

math
67 dont ask how

physics
It has to be 37.9 or 32.1 The others are wrong I think.

Science
Never Mine about this question, the answer was Punctuated Equilibrium. I actually got the question right. :D

Science
Niles Eldredge found evidence in trilobite fossils of a pattern of evolution in which short periods of large change or mixed with longer periods of little or no change. This Pattern Is Called ___________? I'm stumped on this question, can anyone help me?

Math
stop freaking cheating lol jk its 525 ik this becuase you do what steve did lol

Math
1. Suppose you want to buy concrete for a 36ft by 24 ft by 9 in. patio. If concrete costs $55/yd^3, how much will the concrete for the patio cost? 2. A cylinder has a volume of about 500 cm^3 and a height of 10 cm. What is the lenght of the radius to the nearest tenth of a cm?

Math
Susan designed a circular pool with a diameter of 25 meters. What is the area of the bottom of the pool? Round to the nearest tent. Please help this is due tomorrow and I need to up my grade.

math
Eddddckkiiwisisirktititififkirkekririririrkwppwwoksmdmfvmbnvnvnheeujddieoqoqosowopwqpskxkd,kfmcmcmckd. Kdkeieodlfkflflglkg ckckdidkdkkkkkkkkk Llllol..,...,,...,?,,,......!losideeoqwertyowpakdjcjfjjjfjfjtjtjfjjfjftjif. Ifjfjfnfnfnnfnf. Ifjfjfnfnfnnfnf, mike do. iDVD,,d form ...

Social Studies
why are you guys typing all of this stuff if your not going to help him the least you could do is just don't type eney thi ng.

Science
i cant figure it out either are you on connexus

math
i have a question that i am unable to answer: in a load of 3/4 ton of steel rods 1/8 of them are bent . How many tons of steel rods are bent?

MATH
DEREK PLANTED A GARDEN IN THE SHAPE OF A SQUARE 32 FEET ON EACH SIDE. THE GARDEN HAS A STREAM ON ONE SIDE, BUT HE PLANS TO BUILD A FENCE ON THE OTHER THREE SIDES. IF HE PUTS A FENCEPOST EVERY 8 FEET, HOW MANY POSTS WILL HE NEED

trig
A mountain road makes an angle θ = 8.4° with the horizontal direction. If the road has a total length of 3.4 km, how much does it climb? That is, find h.

english
All about us

Statistics
I have another Stats question i'm confuesed on. classify the sample as random, systematic, covenience, stratified, or cluster. A marketing executive fo General Motors finds that its public department has just printed envelopes with the names and addresses of all Corvette ...

Statistics
I have a question about one of my Stats vocab questions. any help is great. thanks! Identify the type of observational study as either Cross-sectional or retrospective (just a reminder, Cross-sectional is data measured at one point in time, retrospective is data collected from...

Statistics
does some one mind checking my work? it's real simple Stats vocab. thank you! Determine whether the given description corresponds to an observational study or an experiment: (just as a refresher, observational means passive and experiment means active) 1.)much contoversy ...

statistics
Using the central limit theorem, construct a 95% confidence interval for the average total cry time for infants in the control group and infants in the intervention group. For this question only, assume that the standard deviation of cry time within each group is known and is ...

Science
i posted this earlier, but no one answered. so i'll try again. Can you check my work please? true/false 1.) force is a scalar quantity: *FALSE 2.) the object on which a force acts is called the system: *TRUE 3.)The specific, indentifiable cause of a force is called the ...

PHYSICS ~so confused~
so i'm going to try my hardest to type this out. which of the following system of forces provides the block the highest net force? a.) 11N--->[box]<---71N b.) 405N--->[box]<---403N c.) 227N--->[box]<---153N d.) 22.7N--->[box]<---15.3N I thought this...

Physics-please check my work
please?? this is due in an hour!

Physics-please check my work
Can you check my work please? true/false 1.) force is a scalar quantity: *FALSE 2.) the object on which a force acts is called the system: *TRUE 3.)The specific, indentifiable cause of a force is called the system: *FALSE 4.) A force can not exist without an agent and a system...

Science HELP PLEASE
A mouse pushes a piece of cheese with a mass of 6.4 g for a distance of 75 cm over a frictionless surface. He exerts a constant 0.5 N force as he does so. If the cheese starts from rest, what is it's final velocity?

phsical science
what is the period of a string that vibrates with a frequency of 20 times per second

math
Use structure What property of addition is shown in the following number sentence. Explain

math
a certain variety of strawberry plant sends out an average of 5 new runners per plant each year. If you planted 20 of these plants, how many strawberry plants would you have after 4 years?

social studies
DBQ underground railroad

Algebra 2
What is three root 1/3 ? I'm not sure if that looks right in words, but I don't know how to post the square root symbol. If that doesn't make sense, then pretend that this sign: % is a square root: 3 %1/3 The 3 looks like it's a little above it. Please help me...

Algebra 2
What is three root 1/3 ? I'm not sure if that looks right in words, but I don't know how to post the square root symbol. If that doesn't make sense, then pretend that this sign: % is a square root: 3 %1/3 The 3 looks like it's a little above it. Please help me...

grade 8 math
72

Economics
B Cross-price elasticity of demand = Percentage change in quantity demanded of good 1 / Percentage change in the price of good 2 I did the work and that's what I got.

math
thanks i knew that!

math
What might you have if you don't feel well? letters are e, g, o, v, o, s, n, l

physics
Do the same for the t=9, and t=8. Subtract.

math
what is 4 divided by 2 2/3?

Math
What is the reduced fraction of 8/15?

Chemistry
The answer is C.

biochemisty
true

Physics
A hammer taps on the end of a 4.20 m long metal bar at room temperature. A microphone at the other end of the bar picks up two pulses of sound, one that travels through the metal and one that travels through the air. The pulses are separated in time by 5.45 ms. What is the ...

physics
How much work must you do to push a 13 kg block of steel across a steel table (\mu_{{\rm k}}=0.6) at a steady speed of 1.3 m/s for 2.6 s?

8th grade
(18 - (-4))divide (-11) (-4) + 2

physics
Part A. With what minimum speed must you toss a 190 g ball straight up to hit the 12 m-high roof of the gymnasium if you release the ball 1.5 m above the ground? Solve this problem using energy. Part B. with what speed does the ball hit the ground?

physics
a 1300 newton crate slides 14 meters down a ramp that makes an angle of 30 degree with the horizontal. if the crate slides at a constant speed, how much thermal energy is created?

6th grade line segment
Find the length of the line segment with endpoints (7,2) and (-4,2)

science
thanks man

Language Art
4 should be as red s a turkey gobbler's WADDLE, not neck or nest. It just means to be so nervous you turn red.

English
thi is not a chat sesstion why don't you all stop

chemistry
calculate the number of atoms in 10.0g of sulfur

english
which word is the noun in the sentence,"I like to horseback ride."

Math
What do we call the numbers that cannot be arranged into 2-row arrays?

math
sum of two numbers is 42.Their difference is 6.What are the two numbers?

math
Find the slope and y-intercept. x=-9

math
Is –4 a solution to the equation 8x – 6 + 3x = 5 + 2x – 10

math
Solve the system by substitution.x-5y=2 ,2x+3y=17

for Drbob222
Sorry bit thick, why do you multiply equation 2 by 2?

for Drbob222
thanks but i do need help to solve the third part also, I did get these equations but don't know how to put them together to solve the third. thanks for helping further!

Maths
yeah can you help me to put the two equations together? I did get the equations for the first two questions but don't know what to do with them to get the third. thanks

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