Friday
December 2, 2016

# Posts by bri

Total # Posts: 284

Math
The function defined below satisfies Rolle's Theorem on the given interval. Find the value of c in the interval (0,1) where f'(c)=0. f(x) = x^3 - 2x^2 + x, [0, 1] Round your answer to two decimal places.
November 1, 2016

Math
The function defined below satisfies Rolle's Theorem on the given interval. Find the value of c in the interval (0,1) where f'(c)=0. f(x) = x3 - 2x2 + x, [0, 1] Round your answer to two decimal places.
November 1, 2016

AP Physics
A 5-kg box is placed on a frictionless ramp which is sloped at a 30-degree angle from horizontal. A rope attaches the box to a post further up the ramp. How much tension is in the rope?
October 10, 2016

American Government
A C D is correct don't listen to weeb
October 7, 2016

College Algebra
Suppose that the price per unit in dollars of a cell phone production is modeled by p = \$45 − 0.0125x, where x is in thousands of phones produced, and the revenue represented by thousands of dollars is R = x · p. Find the production level that will maximize ...
October 5, 2016

College Algebra
Find the dimensions of the rectangular corral split into 2 pens of the same size producing the greatest possible enclosed area given 300 feet of fencing. (Assume that the length is greater than or equal to the width.)
October 5, 2016

Social studies
1.A-Clockmaker C-Wheat Farmer E-Gun Maker 2.B-Each had a different system based on the charter agreed upon with the king of England. 3.B-The growing season was longer. C-The soil was more fertile.
September 14, 2016

Chemistry
Upon decomposition, one sample of Magnesium Fluoride produced 1.65 kg of magnesium and 2.57 kg of fluorine. A second sample produces 1.33 kg of magnesium. How much fluorine (in grams) did the second sample produce?
September 6, 2016

Spanish
Please check my work. Parte II: In this narrative, you will compare and contrast (in Spanish, of course) what you used to do in the summertime with what you did last summer. The final draft of your narrative should be between 150 and 200 words.You will use the Imperfect ...
September 2, 2016

Math
Which set of integers are in the right order from least to greatest? A.|-10|,-3,2,7 B.7,|-10|,-3,2 C.2,-3,7,|-10| D.-3,2,7,|-10|
August 10, 2016

Social Studies
August 8, 2016

Algebra
When will 9th grade students know for sure if they have to pass Keystones to graduate?
May 3, 2016

science
hi I am bri
May 3, 2016

Algebra
Simplify. 2/3a * 2/a^2 A. 4/3a^2; where a =/= 0 B. 1/a^2; where a =/= 0 C. 4/3a^3; where a =/= 0** D. 4/3a^2 Multiply. X+2/5x-15*(10x^2-25x-15) A. (2x+1)/5(x-3) B. (2x+1)(x-3)/5** C. (10x+5)(x+2) D. (X+2)(2x+1)
April 28, 2016

Algebra
Simplify. X+7/ x^2+4x-21 A. 1/x-3; where x *i don't know how to do the symbol* 3,-7 B. X-3; where x 3 C. 1/x-7; where x 7** D. X-7 Simplify. X^2-3x-18/x+3 A. X-3 B. X-6; where x -3 C. X-6; where x 6** D. 1/x+3; x -3
April 28, 2016

math
im guessing it A im just going with that since no will help :)))))))
March 17, 2016

math
An ice cream truck began its daily route with 92 gallons of ice cream. The truck sold 61% of the ice cream. How many gallons of ice cream were sold?
February 18, 2016

Physics
A 10.5 g bullet is fired into a 104 g wooden block initially at rest on a horizontal surface.The acceleration of gravity is 9.8 m/s2. After impact, the block slides 6.66 m before coming to rest.If the coefficient of friction between block and surface is 0.658 , what was the ...
January 17, 2016

Language arts
All you guy's are wrong. The answers are.. 1.B. 2.D. 3.C. 4.D. 5.B. 6.C. 7.A. 8.C. 9.A. 10.D. 11.A. 12.A. 13.A. 14.D. 15.B. 16.B. THESE ARE 100% THE REAL ANSWERS!!
December 1, 2015

Physics
Thank you so much!!
November 29, 2015

Physics
Alex is exploring a cave that has a slight incline and is iced over, forcing her to use ice cleats to explore it. After climbing 50 m into the cave, she finds what she is looking for and she takes out her ice pick and hammer to begin removing the stones. Little does she know ...
November 29, 2015

Math
I think it was suppose to be (-3,-3) not (-3,3)
November 13, 2015

math
Hector keep close tabs on his bank account. His account had a balance of -\$22.80. The next day, he made a deposit of \$56.60. His account balance changed to \$.
November 9, 2015

English
Which part of “The Maori: Genealogies and Origins in New Zealand” best shows that the Maori value freedom?
October 30, 2015

Chemistry
Charcoal is primarily carbon. What mass of CO2 is produced if you burn enough carbon (in the form of charcoal) to produce 4.85×102kJ of heat? The balanced chemical equation is as follows: C(s)+O2(g)→CO2(g),ΔH∘rxn=−393.5kJ
October 26, 2015

Math PLZZ
Jazzy is correct
October 21, 2015

Math
How would you write cos(tan^-1u) as an algebraic expression in u? I know the answer, and I've seen tutorial on how to do it using pathagorus, but how would you do this using identities?
October 20, 2015

math
I Don't know
October 8, 2015

English
Genre winthin a genre.
September 21, 2015

LA Story Teller
Logan is right. thanks
September 21, 2015

Science
How are the types of ER related to the cell type?
September 7, 2015

Science
How does the cisternal space divide the cell?
September 7, 2015

genetics
We have dealt mainly with only two genes, but the same principles hold for more than two genes. Consider the following cross: A/a ; B/b ; C/c ; D/d ; E/e × a/a ; B/b; c/c ; D/d ; e/e a. What proportion of progeny will phenotypically resemble (1) the first parent, (2) the...
August 31, 2015

Ochem
Which of the following is NOT a proper name for an organic compound (because it doesn't identify the longest possible carbon chain)? 2-methylpentane 3-methylpentane 2-ethylhexane 2,3-dimethyl butane
August 30, 2015

biology
What types of amino acids and domains are found in the "transmembrane" region of these proteins?
August 30, 2015

Biology
How does the "Patching and Capping" experiment verify the fluid concept of the Fluid Mosaic model?
August 30, 2015

Ochem
Most fatty acids with double bonds are found in animals or plants? Are these fatty acids solid or liquid at room temperature?
August 30, 2015

OChem
A disaccharide has how many monomers? I think it is two?
August 30, 2015

Cell Biology
If three amino acids are bonded together linearly, how many molecules of water are produced?
August 23, 2015

SS
I'd say that's correct! Do you go to Connections Academy?
May 6, 2015

english grammar
You are correct
May 4, 2015

English
Well, What emotion do you feel when you tell someone you love them for the first time?
May 4, 2015

math
A new car is purchased for the price of \$35,000. If the value of the car depreciates at a rate of 12% per year, when will the car be worth half of the original rate? I put down (this was wrong): 35000 (0.12/12) = 75000 350 (0.12/12) 175 = 612.5 = about 6 years
May 4, 2015

Physics
Given an object distance of 48[mm] and a thin-lens focal length of 110[mm], then what is the image distance? What is the scale factor (M) of the image seen in the previous question?
May 3, 2015

Math
Ohhhh okay. So it's D
April 28, 2015

Math
do this values in the table represent a linear function? If so what is the function rule? X -2. 0. 2. 4 Y -4. 0. 4. 8 A) the values do not show linear function B) yes they show y=1/2x+4 C) yes they show y=2x+2 D) yes they show y=2x My answer: C or D?
April 28, 2015

Physics
How would an astronomer use index of refraction?
April 22, 2015

English/Sociology
Im looking for some media examples of how women who don't want kids are perceived by society... one example I have is How I Met Your Mother, where one of the main characters Robin doesn't want kids..... Can anyone think of any other examples? Thanks!
April 15, 2015

Sociology
Thank you i will look into that!
April 14, 2015

Sociology
I thought about that, but she eventually ends up having kids so I don't think that will work for what I'm looking for. I will look into it though, Thank you!
April 14, 2015

Sociology
Im looking for some media examples of how women who don't want kids are perceived by society... one example I have is How I Met Your Mother, where one of the main characters Robin doesn't want kids..... Can anyone think of any other examples? Thanks!
April 14, 2015

physics
If 50 g of ice at −5 ◦C is mixed into 300 g of water at 60◦C in a completely insulated container, what is the final equilibrium temperature of the water? Why did we insist on the container being completely insulated?
March 29, 2015

physics
A spherical buoy of radius 25 cm and mass 8 kg sits in sea water of density 1025 kg/m3 . At low tide its anchoring chains have got tangled. What is the maximum tension force this chain may have to withstand at high tide? Assume calm conditions.
March 29, 2015

Physics help
Describe each type of item tested in terms of its V vs I being "Ohmic" or not. Use one sentence per item-type tested. Item types tested are Resistors, Coil, Diode, Capacitors, and Light Bulb.
February 25, 2015

physics
The coefficients of static and kinetic friction between a 43 kg box and a horizontal surface are 0.72 and 0.20, respectively. (a) What is the acceleration of the object if a 135 N horizontal force is applied to the box? (b) What is the acceleration if the applied force is 480 N
February 23, 2015

Ecology
under what conditions might phenotypic plasticity not evolve and why
February 8, 2015

georaphy
What state is located 20 degrees north latitude and 160 degrees west longitude:-)
February 2, 2015

physics
An 94.4 kg astronaut is working on the engines of a spaceship that is drifting through space with a constant velocity. The astronaut turns away to look at Earth and several seconds later is 29.6 m behind the ship, at rest relative to the spaceship. The only way to return to ...
January 25, 2015

physics
A 24.0 g marble sliding to the right at 60.8 cm/s overtakes and collides elastically with a 12.0 g marble moving in the same direction at 15.2 cm/s. After the collision, the 12.0 g marble moves to the right at 76 cm/s. Find the velocity of the 24.0 g marble after the collision.
January 25, 2015

physics
A 2100 kg car traveling at 12.0 m/s collides with a 2780 kg car that is initially at rest at the stoplight. The cars stick together and move 3.90 m before friction causes them to stop. Determine the coefficient of kinetic friction betwen the cars and the road, assuming that ...
January 25, 2015

Math
A student borrowed \$19,000 at an annual interest rate of 6.4%. Calculate the amount of interest due 3 months after the student has begin making payments
December 9, 2014

NH4NO3(s)+H2O(l)→NH4NO3(aq) ΔH = +25.7 kJ. What is the final temperature in a squeezed cold pack that contains 49.0g of NH4NO3 dissolved in 125 mL of water? Assume a specific heat of 4.18J/(g⋅∘C) for the solution, an initial temperature of 28.5∘C, ...
November 17, 2014

Algebra
Find the complex zeros of the following polynomial function. Write f in the factored form. F(x)=2x^4-5x^3-20x^2+115x-52
October 19, 2014

Statistics
1 in 7750
October 15, 2014

Algebra Help
I think the center is (16/11,79/11) can anyone confirm this? also i think the radius is -2?
September 24, 2014

Algebra Help
How do I find the center of a circle using the points (2,8) (-4,6) (1,-1) I also found the Equation of the perpendicular bisector of the line between the first and second point which was y=(3/2)x + 5 And the Equation of the perpendicular bisector of the line between the second...
September 24, 2014

P.E
False information? Wow. Show's how little she knows. :) Gwen is right.
September 19, 2014

x^2+y^2+x-6y+9=0 Graph the circle using the center (h,k) and radius r. find the intercepts
September 17, 2014

algebra
It doesn't show you the steps though?
September 17, 2014

algebra
x^3-9x+1=0
September 17, 2014

grammar
How do I diagram the sentence "There were ten visitors here yesterday", especially the word "there"
September 9, 2014

Algebra
Thanks Steve!
August 24, 2014

Algebra
which is?
August 24, 2014

Algebra
find all points having an x-coordinate of 4 whose distance from the point (1,5) is 5
August 24, 2014

NCCU
11. What mass of sodium benzoate should be added to 160.0mL of a 0.17M benzoic acid solution in order to obtain a buffer with a pH of 4.30?
June 21, 2014

Actually. Only 16 out of those 23 are right. I wouldn't trust it
June 3, 2014

algebra
A single card is drawn from a standard deck of cards. Find the probability if the given information is known about the chosen card. A face card is a jack, queen, or king.
May 26, 2014

Algebra 2
if an object is thrown vertically upward with an initial velocity of v from an original position of s, the height h at any time t is given by: h=-16t^2+vt+s (where h and s are in ft t is in seconds and v is in ft/sec) If a rock is thrown upward from a height of 100ft, with an ...
April 23, 2014

Chem
THANKS. I figured it out.
March 12, 2014

Chem
how do i find the rate constant?
March 12, 2014

Chem
i got N=0.83 does the seem right?
March 12, 2014

Chem
suppose that you place exactly 100 bacteria into a flask containing nutrients for the bacteria and that you find the following data at 37 °C: t (min):0 15.0 30.0 45.0 60.0 Number of bacteria: 100 200 400 800 1600 What is the order of the rate of production of the bacteria...
March 12, 2014

chemistry
Hey Guys so I have this problem with ICE tables that is extremely confusing for me so I would love some help on it! At a Certain Temperature, the equilibrium constant for the reaction of NO with Cl2 is 6250. If the initial concentration of NOCl is 1.0M and that of NO 0.10M ...
March 7, 2014

Spanish 2
@SraJMcGin Was #2 correct also? Thanks! :)
March 6, 2014

Spanish 2
Fill in the blank with the correct imperfect form of the verb. Include accent marks when needed. 1.) Mis amigos______la playa. (ir) 2.) Mama______la casa. (limpiar) 3.) Mi hermano y yo____la leche.(beber) 4.) Yo_____la cena. (preparar) 5.) ¿Tú_____los libros? (...
March 6, 2014

spanish 2
Fill in the blank with the correct imperfect form of the verb. Include accent marks when needed. 1.) Mis amigos______la playa. (ir) 2.) Mama______la casa. (limpiar) 3.) Mi hermano y yo____la leche.(beber) 4.) Yo_____la cena. (preparar) 5.) ¿Tú_____los libros? (...
March 5, 2014

Chem 2
Thanks so so much! I was really confusing myself! The steps really helped!
February 21, 2014

Chem 2
Im sure i did this wrong but this is what i did deltaT=Kfm m=mols solute/ kg solvent 1.56g vitamin k/83.8g= 0.019 m=0.019/ 0.025 = 0.76
February 21, 2014

Chem 2
when Im getting my Kf do i change it from Celsius to Kelvin before i do my calculation?
February 21, 2014

Chem 2
Vitamin K is involved in normal blood clotting. When 1.56 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point of the solution is lowered by 5.23 °C. . Calculate the molar mass of vitamin K. I posted this yesterday but I got the wrong answer and could use ...
February 21, 2014

Chem 2
When i did the problem i got 0.76 but i think its wrong?
February 20, 2014

Chem 2
Vitamin K is involved in normal blood clotting. When 1.56 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point of the solution is lowered by 5.23 °C. . Calculate the molar mass of vitamin K.
February 20, 2014

Chem 2
When 3.89 g of a nonelectrolyte solute is dissolved in water to make 835 mL of solution at 26 °C, the solution exerts an osmotic pressure of 825 torr. What is the molar concentration of the solution? How many moles of solute are in the solution? What is the molar mass of ...
February 20, 2014

algebra
the larger of two numbers is 12 mo're than the smaller.Their sum 84. Find the numbers.
January 31, 2014

Science
Thanks Paris
January 29, 2014

math
Pre-Cal between 0 degree C and 30 degree C the volume V (in cubic centimeters) of 1kg of water at a temperature T is given by the formula. V=999.87-0.06426T+0.0085043T^2-0.0000679T^3 Find the temperature at which the volume of 1 kg of water is a minimum.
January 28, 2014

Math help ms sue.
Josh is wrong. I got a 20% on my test. The answers are 1.C 2.B 3.C 4.C 5.A 6.B 7.C 8.D 9.C 10.A
January 12, 2014

Science-bobpursley/Ms.Sue
Don't break the honor code but i can help explain a little try looking up to see if the fossils under the trilobite is older than you will know
December 12, 2013

Science-Ms.Sue
what about number 4 is tat also d i am trying to understand evolution much better.
November 24, 2013

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