# Posts by Grace

Total # Posts: 664

Science (Chemistry)
Thank you!

Science (Chemistry)
Vcube = length*width*height Vcube = 4.0cm*4.0cm*4.0cm Vcube = 64cm^3 2.7g/cm^3 = m/64cm^3 m = 2.7g/cm^3*64cm^3 m = 172g is this better?

Science (Chemistry)
2. Perform this operation and report the answer to the correct number of significant figures: What is the mass of a cube of aluminum that is 4.0 cm on each edge? The density of aluminum is 2.7 g/cm^3. Show all calculations leading to an answer. (I think I solved this correctly...

Science
2. Perform this operation and report the answer to the correct number of significant figures: What is the mass of a cube of aluminum that is 4.0 cm on each edge? The density of aluminum is 2.7 g/cm3. Show all calculations leading to an answer. (I think I solved this correctly ...

Art 7
Yep Isabelle is right :3 Thanks!

Math
You're doubling the number.e.g. 20 +20 =40

LA
Well A. and C. are only asking about either the frog or the snail and the sentence included both of them so A. and C. are out and then B. is asking about humans which was also not included so the answer is D. I got 100% anyway.

Math
One side of a triangle is half the longest side. The third side is 7 less than the longest side. The perimeter is 53 feet. Find the three sides

physics
A block with initial velocity of 3 m/s slides 9m across a rough horizontal surface before coming to rest. What is the coefficient of kinetic friction? V^2=Vo^2+2ax 0=9+18x a=-1/2 Ffr=mukFn Sigma F=ma ma=mukFn

language arts
TF the answers are B A B A I listened to -Ganni and they are completely wrong !!!m The answers are : baba 100%!

math
sam is making a number line and wants to make a point for 3/4 on the number line. Into how many parts should he divide the number line?

Language Arts
I just fished the pretest and I got 100% or 13/13 BOB's answers are completely correct!! Thank you!

math
how is finding a fractional part of a set different than finding a fractional part of a whole?

math
explain how to use mental math to find 700 x 8

math
explain how you can find the quotient of 400/10

math
explain how you can find the quotient of 400:10

math
Kyle says there are exaxtly 4 weeks in February. Is he right? explain

math
Katie picked 7 times as many strawberries as Garrett. Garrett picked 6 quarts of strawberries. How many quarts did Katie pick? Which two multiplication facts can you use to help find the solution ?

math
explain how you could use 5x6=30 to find the product of 6x6

math
write a number sentence with two expressions that equal each other

math
write an addition problem with 3 addends in which you regroup once to solve.

math

math
Write an addition problem in which, when the addends are rounded to the nearest ten, the sum is 90. Then explain how you use estimation to solve the problem.

math
write an addition problem with 3 addends in which you regroup once to solve

math

math
Angel says the rule for this table i Add 0. Frank says the rule is Subtract 0. Who is correct?

math
Jake says adding 0 does not change a number. Is he correct? Explain

math
tell two different ways Reba could receive her change.

math
Braden and Bialy each bought a kazoo for \$0.89. They each paid with a \$1.00 bill. Expalin two different ways to show their change.

math
explain how you would use a number line to round 148 to the nearest ten

math
23 25 27 because if you add 23+25+27= 75, then you take out 25 (which is the second consecutive number) from the sum of three consecutive number.(75-25) equals 50.

math
find three consecutive odd integers that their sum decrease by the second number, equals 50.

algebra
15y-21=3(5y-7)

Chemistry
How do I do the empirical formula for 37.01% carbon, 2.22% hydrogen, 18.50% nitrogen, and 42.27% oxygen? My teacher gave me the answer (C7H5N3O6), but I can never get that answer.

Did I get this right?
Oh okay thanks =D

Did I get this right?
Find Derivative F(x)= (x-2)(x^2-3x-1) And I got F'(x)= (x-2)(3x-3)+ (x^2-3x-1)(1)

math
50 grams

Physcis
What is the radius of a real or imaginary nucleus of 42X^85?

Math
how do you divide

Science
Actually I just learned about that and yes you are correct.

Maths
Find the 2 and 3 digit factors of 4396 using the numbers 1-9.

M.A.T.H
Aha,thank u

M.A.T.H
Wait,is it just me or did u like trick me or something????? why u add 5 anyways and 10????????? oh well....ill figure it out

M.A.T.H
Thank u me and my twin Gracie were having trouble thanks a lot

M.A.T.H
USE THE RULE TO WRITE THE FIRST 12 TERMS IS THE PATTERN. Rule: Add 10,subtract 5 First term: 11 WEAKNESS HERE

physics
In a certain particle, a current of 0.50 mA is carried by a 5.0MeV proton beam that has a radius of 1.5 mm. Find the density of protons in the beam.if the beam hits a target, how many protons hit the target in 1.0s.

Math
Two ways to write 67,000 ----place value

literature
Hi, I'm doing a poem for a literature book called Red Sky In the Morning by Elizabeth Laird. The theme that my teacher assigned to me is'Anna's love for Ben'. It can be through her thoughts, words, actions or what other characters say about her love towards her...

Biology
It's a chemical reaction.

SECONDARY ALGEBRA
f(x)=(120m^3)x

SECONDARY ALGEBRA
A rectangular field is to be fenced off with 120 m of fencing materials. the length of the field is x. express the area in square meters of the field as a function of x.

art history
it gave me the wrong answers :(

Distribution and warehousing
What are the risks of distribution of goods and materials

math Study guide
You should really try and just read the lesson more and check back on things if you do not understand. Going online for connexus answers is CHEATING! Please, everyone stop this or I will tell Gina Witt. :(

chem
40ml

chemistry
Calculate a value for the solubility of (NH4)2C2O4H2O in g/100 cm3 at 298 K

science
THANKS JACK I GOT 100%!!!!!

math
A number from 20 to 30 is drawn at random. Posibility of it not a 23

math
how much lottery revenue has been allocated to education in nc

Math
HELP A Certain state's lottery LOTTO, is set up so that each player pays \$1 per ticket and chooses six different numbers from 1 to 49. if the six numbers chosen match the six numbers drawn each Saturday evening, the player wins the top cash prize. the order in which the ...

math
the sum of an integer and the next greater integer is at least 27. find the lesser integer.

MATT/116 wk 6 Quiz
Identify the solution(s) of the system of equations, if any. -3x - 4y =2 8y = - 6x - 4

math
which figure must have both parallel and perpendicular sides. 1.parallelogram 2. rectangle 3. rhombus 4. right triangles

Chemistry
Write the balanced chemical equation for each of the following. (Use the lowest possible coefficients. Include states-of-matter at 1 atm and 25unknown_prefixC in your answer.) (b) the reaction of magnesium metal and hydrobromic acid

Chemistry
Write the balanced chemical equation for each of the following. (Use the lowest possible coefficients. Include states-of-matter at 1 atm and 25unknown_prefixC in your answer.) (a) the dissociation of solid magnesium hydroxide in water

Chemistry
Write a balanced chemical equation that represents the self-ionization of water. (Use the lowest possible coefficients. Include states-of-matter at 1 atm and 25°C in your answer.)

Chemistry
How many milliliters of 0.326 M HCl would be required to titrate 5.48 g KOH?

Math
GB=7*9*12=756 cu. in. LB=10*10*15=1500 cu in. 1500-156=744 cu in. Hope this helps everyone :)

Chemistry
What are the molality and mole fraction of solute in a 32.3 percent by mass aqueous solution of methanol (CH3OH)? molality = ?m mole fraction =

science
Besides if your not cheating then why are you on this site..?

science
Looking for only the answer is cheating, seeking for help is seeking for help, (If) they are cheating, its their choice, and you must not be very mature if your going to tell on them.

chemistry
In the laboratory a student finds that it takes 20.7 Joules to increase the temperature of 11.0 grams of solid platinum from 20.5 to 35.8 degrees Celsius. What is the specific heat of platinum she has measured.

science
I got 100% too! Thanks you!

Chemistry
Possible Sources of error in a reaction or sodium bicarbonate and acetic acid. Also known as baking soda and vinegar.

Chemistry
When copper(II) oxide is heated in the presence of hydrogen gas, elemental copper and water are produced. What mass of copper can be obtained if 34.0 g copper(II) oxide is used?

Chemistry
In 1901, Thomas Edison invented the nickel-iron battery. The follwing reaction takes place in the battery. Fe(s) + 2 NiO(OH)(s) + 2 H2O(l) Fe(OH)2(s) + 2 Ni(OH)2(aq) How many mole of Fe(OH)2, is produced when 3.70 mol Fe and 6.95 mol NiO(OH) react?

SCIENCE HELP ASAP! :)
I took the quiz- I'm from connections- but the answers are 1.C 2.B 3.C 4.A 5.C 6.A 7.B 8.D 9.A 10.A Welcome :)

chemistry
a 2.52-g sample of a compound containing only carbon, hydrogen, nitrogen, oxygen, and sulfur was burned in excess O to yield 4.23 g of CO2 and 1.01 g of H2O as the only carbon and hydrogen containing products respectively. Another sample of the same compound, of mass 4.14 g, ...

math
In the basketball game, Sarah made three times as many 2-point shots as 3-point shots. She made 8 shots in all. How many 2-point shots did she make?

SCIENCE --- CHECK MY WORK PLS
Got em! Thank youuu!

Science
Thank youuuu :D

Thank you! It was worded so weird I didn't know what they wanted. : )

Bryan has 3 nickels, 3 dimes, and 2 quarters. What fraction of the coins is either a dime or a quarter? There is a space for only 1 fraction answer.

Spelling
What is the antonym of brandishing? a) furbishing b) concealing c) defacing d) galvanizing

Math help ms sue.
I wouldn't trust salted caramel..

History
A group of Nacogdoches.

us history
How did immigrants regard public education? a. as an aid to assimilation b. as a threat to cultural heritage c. as a path to advancement d. all of the above

English
I have the sentence: Kyle seems calm despite his situation. Kyle is the subject, seems is the being verb, calm is a subject complement adjective that describes Kyle. My question is, is "...despite his situation" an adverb phrase? Is it describing calm or seems? Thanks,

math
In a class of 40 students, 27 like math and 25 like Filipino. At most how many students do not like at least one of these subjects?

chemistry
a tuning fork produces a sound of musical note middle C. It moves back and forth 256 time each second. What is the frequency of the tuning fork?

grammar
can you explain the predicate and complete predicate in a sentence

Geography
Why do the trees drop their leaves in the fall?

What we're learning? mostly cells and living organisms- pretty insane stuff (:

Hi, In science we're mostly earning about everything inside your body like cells and chromosomes.

Geometry
The peremiter of triangly rst is 40 what is the perimeter of triange xyz

calculus
After solving with A=(-1,2) x^2+2x^2+x+1 got 119/12a pls where did i get it wrong. And with -[(-55)] x^2-25dx i got -50 pls am i correct

calculus
find the area enclosed between the x-axis and the curve, if y=x^2-25 for (-5) is less than or equal to x less than or equal to 5

calculus
find the area enclosed between the x-axis and the curve, if y=x^3 and the straight line y=x

calculus
find the area enclosed between the x-axis and the curve, if y=x^3+2x^2+x+1 between x=-1 and x=2

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