Saturday

April 19, 2014

April 19, 2014

Total # Posts: 108

**Calculus A 14**

Please Help.... A hard-boiled egg at 98℃ is placed in a sink of 18℃ water to cool. After 5 minutes, the eggs temperature is found to be 38° C. a) Find the value of P in Newton’s Law of Cooling. b) Find the value of the constant k rounded to nearest hundred...

**Calculus **

Find dy/dx implicitly in terms of x and y only for the following function; x+ 4xy=y^2

**chemistry**

Will tea bag contains caffeine? What is the bad effects if one drink too much tea bags everyday?

**math**

hey

**physics**

A monkey of mass m climbs a rope slung over a light frictionless pulley.The opposite end of the rope is tied to a block of Mass M lying on a smooth horizontal plane.Find the acceleration of the block and tension in the rope in the following cases 1)the monkey moves up with an ...

**Chemistry**

10.0 mL of a 0.300M NH3 solution is titrated with a 0.100M HCl solution. Calculate the pH after the following additions of HCl. 0.00mL 10.00mL 30.00mL 40.00mL

**math**

solve: 6 < x + 4 less than or equal to 11

**chemistry**

Which of the following is not an example of a science? geology astronomy astrology ecology

**math**

1.45% of 8434 is what

**Physics**

Yes, it finally worked thank you so much.

**Math**

For the equation 2x 3 - 11x 2 + 12x + 9 = 0, the root 3 has a multiplicity of _____.

**Physics **

Betty Bodycheck (mB = 60.0 kg, vB = 22.0 km/h in the positive x-direction) and Sally Slasher (mS = 46.3 kg, vS = 28.0 km/h in the positive y-direction) are both racing to get to a hockey puck. Immediately after the collision, Betty is heading in a direction that is 76.0° c...

**Physics**

Ok Thanks a lot for your help

**Physics**

I'm just having trouble with coverting these into Kinetic Energy.

**Physics**

I found the velocity of the two girls. I found that Betty's velocity is 5.14 m/s and Sally's is 6.35 m/s. I'm just having with converting these into Kinetic Energy.

**Physics**

Betty Bodycheck (mB = 60.0 kg, vB = 22.0 km/h in the positive x-direction) and Sally Slasher (mS = 46.3 kg, vS = 28.0 km/h in the positive y-direction) are both racing to get to a hockey puck. Immediately after the collision, Betty is heading in a direction that is 76.0° c...

**physics**

What is their final Kinetic Energy?

**physics**

Betty Bodycheck (mB = 60.0 kg, vB = 22.0 km/h in the positive x-direction) and Sally Slasher (mS = 46.3 kg, vS = 28.0 km/h in the positive y-direction) are both racing to get to a hockey puck. Immediately after the collision, Betty is heading in a direction that is 76.0° c...

**Science**

(1)Suppose a lava flow was found between two sedimentary rock layers. How could you use the lava flow to learn about the ages of the sedimentary rock layers?

**math**

there are 100 apples in a bag and 43 are red and the rest are green, what percentage of the apples are green

**Science**

(1)A geologist was studying rocks in a mountain range. She found a layer of sedimentary rock that had formed in the ocean. Hypothesize how this could happen. My (Answer) Sedimentary rocks forms when sediments have been pressed or cemented together , or when minerals form from ...

**Geometry**

The pattern sequence and next two terms to 1, 1/4,1/9,1/16,1/25

**English**

Does this have paraelle structure Neither pesticides nor hormones are used in the production of organic foods.

**Finance**

Jason is interested in finding the breakeven point for a new pump it plans to produce. The price of the pump is $250 and the variable cost ratio is 50% of the price. Jason calculated that the fixed costs will be about $400,000. What is the breakeven point of operations?

**science**

if an object's density is _ than fluid density, the object will _ .

**math**

if 1inch=75 miles then how many miles dose 2.7 inches=

**Physical Science**

If a force of 10 N is applied to a 4.5 kg object, then the object will accelerate at 2.22 m/s2? True or false

**Pre Calculas**

verify the following 1+1/csc^2x-1=sec^2x

**Pre Calculas**

how would you varify the following sinx+sinx cot^2x=cscx

**English**

The Miley Cyrus Song "The Climb is not only one of my favorite songs but....

**chemistryt**

75.1 mL

**precal 2**

find the standard form of the complex numbers 5/4 (cos 225degree + isin 225degree)

**precal 2**

use the law of cosines to solve the triangle a=55, c=72, b=25

**precal 2 **

find the area of the triangle B=72degree 30', a= 105, c=64

**precal 2 **

use law of sines to solve the triangle A=58 degree, a=4.5, b=12.8

**poetry**

Figures of speech in Gwendolyn Brooks Poem Medgar Evers?

**decorating today**

Thanks

**decorating today**

The answers are a. interior designers b. Upper class c. Architects d. artists I think it is b

**decorating today**

Historically, who originally influenced the style and trends of art, architecture, furniture,and fashion? B upper class ? I think! I could no find the answer in the study does anyone know the page I can find the answer on?

**decorating today**

Historically, who originally influenced the style and trends of art, architecture, furniture , and fashion ? B upper class. I think I could not find that answer in the study . What page can i find it on?

**decorating today**

I need to check my answers thanks!!!!!!!!!

**decorating today**

Does anyone have the answers to this test?

**geometry**

If two angles are complementary and the measure of one angle is 35 degrees, then the measure of the other angle is______ degrees.

**AP CALCULUS!! HELPPP URGENT**

related rates: the base of a pyramid-shaped tank is a square with sides of length 12 meters, and the vertex pyramid is 13 meters above the base. the tank is filled to a depth of 5 meters, and water is flowing into the tank at the rate of 2 cubic meters er second. find the rate...

**AP CALCULUS!!! HELPP**

related rates: the base of a pyramid-shaped tank is a square with sides of length 12 meters, and the vertex pyramid is 13 meters above the base. the tank is filled to a depth of 5 meters, and water is flowing into the tank at the rate of 2 cubic meters er second. find the rate...

**math**

(4*8) = 32 16*12=192 192/32=6

**algebra**

x+4-6+7= 5 5+5=10

**Geometry**

two cones are similar= always A pyramid is similar to a square. = never true Two spheres with the same radius are congruent. = always trues Non-similar solids have different volumes. =sometimes true

**Writing**

I think I fixed everything. Technology, Technology, that's all we use to communicate today. There's Facebook, Twitter, Myspace, and so many more. Technology is very distracting and this causes many kids to fail and fall behind in school and grades. I agree with the wri...

**Writing**

mrs. sue can I get your opinion as well.

**Writing**

Can you fix my writing? My topic is technology hurting kids. Support the side with details. The World of Technology Technology, Technology, that’s all we use today. There’s Facebook, Twitter, Myspace, and so many more. My opinion on technology is that I agree that is...

**math**

What do you think first

**Math**

What do you think first

**Writing**

The instructions were deciding if technology is hurting kids? Support the side I pick.

**Writing**

I need help on fixing my paper. Could you grade me on a scale of 1 to 12. The World of Technology Technology, Technology, that’s all we use today. There’s Facebook, Twitter, Myspace, and so many more. My opinion on technology is that I agree because many kids are fai...

**math**

During the next event Gail threw the javelin 6 1 8ths meters. Gage threw 3 3 5ths times farther than gail. how far did Gage throw the javelin?

**social studies**

Please help me answer these questions, as I have no idea about it. 1) Why do naturalist movements tend to be fractured (why don't they work out...) 2) How does this affect the post-colonial administration of successor states? Please help answer, or provide some websites wh...

**algebra 2 quadratic inequalities**

how would I find the solution to x/x+2 + 1/x-1 < 3/2

**calculus**

find the area the region bounded by the graphs of the given equation y=81x,y=x^5,x=0,x=3

**Spanish**

How do you say she is teaching in the class room in spanish?

**Physical Science**

Natasha says that in a car, the accelerator pedal is used to make the car go faster, and does not actually waste fuel. It is the brake pedal that wastes fuel. Is she right? Why?

**Physical Science**

Bob and Christine are sweltering in their hot office. Bob props opens the door of the refrigerator, and says that this will help keep the room cool. Christine says that this won’t work, and in fact the room will gradually get hotter than if the fridge door were shut. Who ...

**Physical Science**

Tony is driving across the outback in the middle of the night. He finds that he is running out of gas and might not make it to the next town. He tells Julie, his passenger, that he’s going to turn off the headlights in order to save fuel. She tells him that this is nonsen...

**Physical Science**

Julia and Wayne heat their house during the winter with an electric heater. The thermostat on the heater is set to 20 °C and the thermostat is cycling on and off as it keeps the room temperature stable. Julia walks out of the room leaving the light on. Wayne tells Julia th...

**English Help**

a short character sketch of a fictional Puritan named Justice Johnson based on what you have learned about the Puritans. Make certain that you describe how he dresses, how he lives, what he believes, how he spends his time--in short, describe him so that a stranger, who knows ...

**geometric series**

what is the nth term equation for a geometric sequence with a1 = 36 and r = 1/3

**Physics**

(a) CO2 emissions C from a nation’s energy system can be expressed as: C = Population x Energy consumption per person x CO2 emissions per unit of energy consumption. Initially, total emissions are 600 million tonnes of CO2 per year. If, over a 50-year period, population d...

**Physics**

A cup of mass m, placed on the edge of a table of height h, has potential energy mgh, where g is the acceleration due to gravity. Someone slams a door, causing the cup to fall to the floor. If h = 100 cm, what is the approximate speed of the cup when it hits the floor? (Note: ...

**Math157**

Find the range of the data set. {14, 28, 63, 41, 50, 70} A)56 B)84 C)41 D)42

**Math157**

So will it be none

**Math157**

Find the mode for the given data. { 1, 3, 4, 10, 14} A)4 B)6.4 C)3 D)none

**Math157**

6.5 ... thanks :)

**Math157**

Find the mean of the data. { 4, 5, 7, 10} Round to the nearest tenth A)6.5 B)6 C)5.3 D)6

**Vector**

The two lines with the equation r=(1,2,-44)+ t(k+1, 3k+1,k-3) and x=2-3s, y=1-10s, z=3-5s, are given. a) determine the vaulue for K when the lines are paralel b) determine the value of K when the lines are perpendictular

**Vector**

Determine the perimeter and area of the tirangle whose vertices are the origin and the x and y intercepts of the line (x-6)/3 = (y+8)/-2

**English**

What is an antithesis? and I can i create one if my thesis is "Using the characters in these literary pieces both authors assert that humans are naturally inclined to exhibit dark or evil side". My 3 arguments are that metamorphises, quest for the surreal and immoral...

**Chemistry**

What mass of copper solid, initially at 25oC,should be added to 100 g of steam, initially at100oC, if we want exactly half of the steam to condense? The specific heat of copper is 0.385 J g-1 oC-1. For water, the heat of vaporization is 2257 J g−1.

**Math Help**

Thanks so much that tells my answer ;)

**Math Help**

Name the property of addition that has been applied. 5 + 8 = 8 + 5 A) Closure B) Commutative C) Associative D) Identity

**Math Help**

Never Mind My Bad :)

**Math Help**

Perform the calculation mentally 1. 90 + 247 + 253 + 110 2. 799 - 117 3. 25 × 25 × 8

**MATH**

The squares of an infinite chessboard are numbered as follows: in the first row and first column we put 0, and then in every other square we put the smallest non-negative integer that does not appear anywhere below it in the same column or anywhere to the left of it in the sam...

**Math (FST Exponential & Logarithm)**

What is the range of y= -(2)^(x-3)

**2nd grade**

The vertices are the corners. How many corners does a rectangle have?

**math**

5/10-radicl6

**math**

3/4+ã2

**math**

5/10-ã6

**math**

5radical 32 times 2radical 45

**math**

what (5 -radical 2)(5+radical 2)

**FINANCE**

Cash conversion cycle American Products is concerned about managing cash efficiently. On the average, inventories have an age of 90 days, and accounts receivable are collected in 60 days. Accounts payable are paid approximately 30 days after they arise. The firm has annual sal...

**physics**

If a person travels 40m due east, turns and travels 30m due west, what is the distance traveled?

**Science**

Q: do tomato plants grow better with fertilizer Hypothesis: I think if i give the tomatoes fertilizer they will grow taller Contolled Experiment 1. Control group list factors 2. Experimental Independant Variables 3. DATA COLLECTION

**Math**

not quite. in this case n=8 k=(x+1)

**Math**

What is the coefficient of the fifth term in the expansion of (x + 1)^8?

**Anatomy**

blood is this type of tissue

**science**

what are acids and bases? neutralizing an acid with a base produces what?

**science**

what are acids and baases? what do you get if you neutralize an acie?

**algebra and trigonometry**

find the dimensions of a rectangle having perimeter 14m and diagonal of length 5m

**chemistry**

BCA stands for Before Change After