Sunday
April 19, 2015

Posts by GRACE


Total # Posts: 426

MATH
A food snack manufacturer samples 15 bags of pretzels off the assembly line and weighed their contents.If the sample mean is 10.0 and the sample standard deviation is 0.15, find the 95% confidence interval of the true mean.
April 16, 2015

Language Arts
What is the most important reason for using multiple sources in a research presentation? A. So you include primary and secondary sources. B. So you have experience conducting original research. C. So you know that the information is accurate. D. So you use the best online ...
April 10, 2015

langauge arts
What is the best way to rewrite the following topic to form a focused thesis statement? Electric cars vs. Cars fueled with gasoline A. Cars fueled with gasoline shouldn't be allowed on the road, especially when electric cars are so readily available. B. Electric cars and ...
April 10, 2015

Languagd Arts
Which of the following is the best reason to use visuals in a research presentation? A. To illustrate your main point in an engaging manner. B. To illustrate any topic with data in percentages. C. To show different ways of looking at the same information. D. To show the ...
April 10, 2015

Math
You roll a pair of number cubes and then flip a coin. Is this an example of independent or dependent events? A. Independent B. Dependent Is the answer A? Thank you
April 9, 2015

Math
My Sister told me to.
April 9, 2015

Math
Suppose you write the letters M-I-S-S-I-S-S-I-P-P-I on cards and mix them in a hat. You choose one card from the hat without looking. What is the probability of picking an S? A.4\11 B.2\11 C.4\7 D.7\4 Is the answer A? Thank you
April 9, 2015

Math
Suppose you write the letters M-I-S-S-I-S-S-I-P-P-I on cards and mix them in a hat. You choose one card from the hat without looking. What is the probability of picking a P? A.4\11 B.2\11 C.4\7 D.7\4 Is the answer B? Thank you
April 9, 2015

Math
Thank you Ms. Sue😃
April 9, 2015

Math
You have made 3 out of 10 of your last free throws. How many free throws can you expect to make if you shoot 100 free throws? A.30 B.50 C.60 D.75 Is the answer A? Thank you
April 9, 2015

Math
Thank you.
April 9, 2015

Math
You flip a coin 30 times and get heads 11 times, so the chance of getting heads is 11\30. Is this an example of theoretical or experimental probability? A. Theoretical B. Experimental Is the answer B? Thank you
April 9, 2015

7th grade math
Quadrilateral WXYZ os describes below. Line segment WX is parallel to line segment YZ. Line segment XY is the same length as line segment ZW. Line segment Xy is not parallel to line segment ZW. Which of the following describes quadrilateral WXYZ? A. parallelogram B. rectangle ...
April 9, 2015

Psychology
Help me create a mnemonic device to remember the Four Basic Units of Language: Phonemes, Morphemes, Syntax, and Semantics
March 30, 2015

Science (Chemistry)
Thank you!
March 9, 2015

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?
March 9, 2015

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...
March 9, 2015

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 ...
March 9, 2015

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
February 12, 2015

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
January 27, 2015

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?
January 20, 2015

math
how is finding a fractional part of a set different than finding a fractional part of a whole?
January 7, 2015

math
explain how to use mental math to find 700 x 8
January 5, 2015

math
explain how you can find the quotient of 400/10
January 5, 2015

math
explain how you can find the quotient of 400:10
January 5, 2015

math
Kyle says there are exaxtly 4 weeks in February. Is he right? explain
January 5, 2015

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 ?
January 5, 2015

math
explain how you could use 5x6=30 to find the product of 6x6
January 5, 2015

math
write a number sentence with two expressions that equal each other
January 5, 2015

math
write an addition problem with 3 addends in which you regroup once to solve.
January 5, 2015

math
write an addition story for two3-digit numbers. write the answer to your story
January 5, 2015

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.
January 5, 2015

math
write an addition problem with 3 addends in which you regroup once to solve
January 5, 2015

math
write an addition story for two 3-digit numbers. Wrote the answer to your story.
January 5, 2015

math
Angel says the rule for this table i Add 0. Frank says the rule is Subtract 0. Who is correct?
January 5, 2015

math
Jake says adding 0 does not change a number. Is he correct? Explain
January 5, 2015

math
tell two different ways Reba could receive her change.
January 5, 2015

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.
January 5, 2015

math
explain how you would use a number line to round 148 to the nearest ten
January 5, 2015

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.
January 5, 2015

math
find three consecutive odd integers that their sum decrease by the second number, equals 50.
January 5, 2015

L.A
1. b 2. Pumpkin and Paul Revere 3. A
December 17, 2014

algebra
15y-21=3(5y-7)
December 15, 2014

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.
December 5, 2014

Did I get this right?
Oh okay thanks =D
November 11, 2014

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)
November 11, 2014

Physcis
What is the radius of a real or imaginary nucleus of 42X^85?
October 27, 2014

Math
how do you divide
October 24, 2014

Maths
Find the 2 and 3 digit factors of 4396 using the numbers 1-9.
September 22, 2014

M.A.T.H
Aha,thank u
September 18, 2014

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
September 18, 2014

M.A.T.H
Thank u me and my twin Gracie were having trouble thanks a lot
September 18, 2014

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
September 18, 2014

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.
September 11, 2014

Math
Two ways to write 67,000 ----place value
August 27, 2014

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...
August 17, 2014

Biology
It's a chemical reaction.
July 23, 2014

SECONDARY ALGEBRA
f(x)=(120m^3)x
July 22, 2014

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.
July 22, 2014

Distribution and warehousing
What are the risks of distribution of goods and materials
June 11, 2014

chemistry
Calculate a value for the solubility of (NH4)2C2O4H2O in g/100 cm3 at 298 K
May 21, 2014

math
A number from 20 to 30 is drawn at random. Posibility of it not a 23
May 13, 2014

math
how much lottery revenue has been allocated to education in nc
May 1, 2014

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 ...
April 30, 2014

math
the sum of an integer and the next greater integer is at least 27. find the lesser integer.
April 23, 2014

math
which figure must have both parallel and perpendicular sides. 1.parallelogram 2. rectangle 3. rhombus 4. right triangles
April 10, 2014

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
April 2, 2014

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
April 2, 2014

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.)
April 2, 2014

Chemistry
How many milliliters of 0.326 M HCl would be required to titrate 5.48 g KOH?
April 1, 2014

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 =
March 13, 2014

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.
March 11, 2014

Chemistry
Possible Sources of error in a reaction or sodium bicarbonate and acetic acid. Also known as baking soda and vinegar.
February 25, 2014

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?
February 24, 2014

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?
February 24, 2014

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, ...
February 15, 2014

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?
February 13, 2014

Math #rd grade
Thank you! It was worded so weird I didn't know what they wanted. : )
January 14, 2014

Math #rd grade
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.
January 14, 2014

Spelling
What is the antonym of brandishing? a) furbishing b) concealing c) defacing d) galvanizing
January 8, 2014

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
November 25, 2013

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,
October 25, 2013

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?
October 22, 2013

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?
October 21, 2013

grammar
can you explain the predicate and complete predicate in a sentence
October 3, 2013

Geography
Why do the trees drop their leaves in the fall?
October 2, 2013

Geometry
The peremiter of triangly rst is 40 what is the perimeter of triange xyz
September 8, 2013

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
September 7, 2013

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
September 6, 2013

calculus
find the area enclosed between the x-axis and the curve, if y=x^3 and the straight line y=x
September 6, 2013

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
September 6, 2013

calculus
Determine l= 2e^xdx, given that l=50.2, when x=3
September 6, 2013

calculus
int e^5xsin3xdx =
September 6, 2013

calculus
int dx/3sinx+4cosx dx =
September 6, 2013

calculus
int x^2/(x-2)(x^2+1)dx
September 6, 2013

physics
A car is traveling at 95km/hr. the driver steps on the brakes and the car comes to a stop in 60m. What is the car's deceleration?
September 5, 2013

geometry
Given that r1=6i-8j+2k,r2=4i+5j+7k,r3=-2i+j+6k is a vector. Find r1r2,r2r3,r3r1(a)30,21,-8(b)26,23,8(c)24,19,-7(d)19,27,7
August 30, 2013

geometry
if U=i+3j-2k and V=4i-2j-4k are vectors find U.V, 3U+V& (2U+V).(U-2V) (a)6,10,4(b)4143(c)11,4,5(d)5,11,6
August 30, 2013

physics
Two charges Q 1 =500/mu(C) and Q 2 =100/mu(C) are located on the XY plane at the positions r1=3/vec(j)m and r2=4/vec(i)m. Find the force exerted on the Q2(a)14.4/vec(i)+10.8/vec(j)(b)14.4/vec(i)-10.8/vec(j)N(c)10.8/vec(i)-14.4/vec(j)N(d)10.8/vec(i)+14.4/vec(j)N
August 28, 2013

physics
Two large horizontal metal plates are separated by 4mm. The lower plate is at a potential of (-)6v.What potential should be applied to the upper plate to create field strength of 4000v/m upwards in the space between the plates?(a)(+)22(b)(+)10(c)(-)10(d)(-)22
August 28, 2013

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