Saturday

October 25, 2014

October 25, 2014

Total # Posts: 73,153

**7th grade math word problems**

Then do I add that 70 to -243
*October 7, 2014*

**7th grade math word problems**

While scuba diving Quentin descended 2 1/3 feet each second for 30 seconds. If Quentin ended up at a depth of -234 feet before he began his descent, what was his original depth? Do I multiply 2 1/3ft by 30 seconds?
*October 7, 2014*

**Calculus Please Help!**

Not sure how to do this. Asked before but it was hard to type out the symbols in the equation, so I have a screenshot below. exactly Please help! s.yimg(.)com/hd/answers/i/36cad89caaff4061bf38ed04166cbd76_A.png?a=answers&mr=0&x=1412733166&s=e590dacc075a9e04963385d0d299d56a
*October 7, 2014*

**Physics**

A cart released from rest at the top of a track 90. cm long takes 4.00 seconds to reach the bottom. determine the velocity after half the time.
*October 7, 2014*

**Math**

What is amount of money on $40,500 with 6.2 interest rate for a year
*October 7, 2014*

**CHEMISTRY**

If you use a dirty buret, the titrant leaves drops of solution behind as the meniscus descends during delivery of the solution. The volume actually delivered by the buret will be __________ the volume your readings of the buret scale indicate was delivered the same as less ...
*October 7, 2014*

**math**

Carla Compra borrowed $800 at 14% for one year. She paid a $15 processing fee. The interest paid will be $. Thus, the total finance charge (the interest plus the processing fee) will be $ Therefore, to the nearest tenth, the APR = total finance charge ÷ amount borrowed...
*October 7, 2014*

**physics**

an arrow is shot from a crossbow. How long will it take the arrow to accelerate from rest to a speed of 152 m/s if the crossbow can accelerate the arrow at a rate of 1.35 x 10^4
*October 7, 2014*

**Pre-Calc/Trig..**

Write a function for the graph described as a transformation of y=x^2 y=x^2 experiences a vertical stretch of factor 2 and then a shift right of 3 units.
*October 7, 2014*

**Algebra **

The height h(t) measured in feet of an object dropped by an astronaut on the moon can be approximated by h(t) = h0 (0 on the bottom) - 2.7t^2, where h0 is the height from which the object was dropped. About how long would it take an object to fall to the moon (h = 0) if it ...
*October 7, 2014*

**Health**

1. Correct 2. Correct 3. I don't exactly know, but I think C would be the best one. 4. I would think B. When you exercise, having extra water can help, if you are sweating quite a lot. 5. Correct 6. Correct 7. Correct 8. Correct 9. Correct 10. Correct 11. Correct 12. ...
*October 7, 2014*

**Calculus question**

It looks very complicated and I do not know how to even start. Any help would be immensely appreciated. A pendulum has a mass, m, suspended from a rod of length L. At the time t = 0, the pendulum is pulled through an angle θ0 > 0 to the right and given an initial ...
*October 7, 2014*

**Math**

Having a lot of trouble with this one: Q) Tidal volume is the volume of air displaced in the lungs between inhalation and exhalation (the amount of air in a breath). The residual volume is given by the remaining in the lungs even after the deepest exhalation (ie the minimum ...
*October 7, 2014*

**Calculus help please**

I have to evaluate the following: tan((sin^-1)(2/7)) and sin^-1 (sin(17pi/6)) Please help.
*October 7, 2014*

**MATH**

THE AMOUNT OF CLOTH USED TO MAKE FOUR CURTAINS IS GIVEN BY THE FUNCTION A=-4X^2 + 40X WHERE X IS THE WIDTH OF ONE CURTAIN IN FEET AND a IS THE TOTAL AREA IN SQUARE FEET. FIND THE WIDTH THAT MAXIMIZES THE AREA OF THE CURTAINS. WHAT IS THE MAXIMUM AREA?
*October 7, 2014*

**Science**

Identify the process that represents how organisms grow and replace old are damaged cells. My answer: This process is called mitosis. Am I correct?
*October 7, 2014*

**Science--2 questions! asap!**

During the processes of erosion and deposition, sediments that are the_____ in size will be carried the greatest distances before being deposited. Most___rocks form under conditions found a few kilometers under Earth's surface.
*October 7, 2014*

**Math**

Identify two slopes on line select one to be (x1,y1) and the other (x2,y2) then use the slope equation to solve
*October 7, 2014*

**stats**

18. Numerous studies have found that males report higher self-esteem than females, especially for adolescents (Kling, Hyde, Showers, & Buswell, 1999). Typical results show a mean self-esteem score of M = 39.0 with SS = 60.2 for a sample of n =10 male adolescents and a mean of ...
*October 7, 2014*

**Algebra**

Which expressions would complete this equation so that it has one solution? 4(2x – 3) – 4x = Choose exactly two answers that are correct. A. 4x – 12 B. 3x – 4 C. 3(2x – 6) D. 4(x – 5)
*October 7, 2014*

**Algebra**

hgvgh
*October 7, 2014*

**Algebra **

The height h(t) measured in feet of an object dropped by an astronaut on the moon can be approximated by h(t) = h0 (0 on the bottom) - 2.7t^2, where h0 is the height from which the object was dropped. About how long would it take an object to fall to the moon (h = 0) if it ...
*October 7, 2014*

**Pre-Calc/Trig...**

Explain how the graph of the given function is a transformation of the graph of y=x^2 *y=(x+5)^2
*October 7, 2014*

**Math**

GCF is 10
*October 7, 2014*

**Math **

leslie is in charge of packing snacks for her class. she has 30 cookies and 20 apples. she wants to put the same number of cookies and the same number of apples in each pack. what are the possible numbers of packs she can make? how many items are in each bag?
*October 7, 2014*

**Pre-Calc/Trig...**

Explain how the graph of the given function is a transformation of the graph of y=x^2 *y=x^2+7
*October 7, 2014*

**cal 33**

I have a quick question. When I did this I got my derivative but one question is asking when Rearranging this, we get 8y7y' = ???? i dont know We now have d/ dx [x5 + y8] = 5x4 + 8y7y' = d/ dx [9] = 0. Solving for y', we conclude that the derivative is y' = -5x...
*October 7, 2014*

**CAL**

Hi, im lost in theses three problems. Please help. Thank you so much!!! 1. Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u).] y = 3 squareroot all 1 + 5x (g(x), f(u)) = ??????? Find the derivative dy/dx. 2...
*October 7, 2014*

**Math**

1.645 does round to 1.65. Since there is a 5 before the 4, it rounds the 4 up to 5. With 5's, you round up, so the 4 goes up a number to 5 in 1.65. Therefore, 1.645 can be rounded to 1.65. I hope this helps! :)
*October 7, 2014*

**Math**

Does 1.645 round to 1.65?
*October 7, 2014*

**Statistics**

A household appliance manufacturer wants to analyze the relationship between total sales and the company's three primary means of advertising (television, magazines, and radio). All values are in millions of dollars. They found the following regression equation. Sales = ...
*October 7, 2014*

**p.e**

Which of the following is a factor in which you have little control that determines your weight? A. hereditary B. Activity level C. Peers D. Body composition C?
*October 7, 2014*

**Math22 **

1. Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u).] y= (g(x), f(u)) = 2. Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u).] y = ...
*October 7, 2014*

**child day care**

I copied & paste this by mistake sorry
*October 7, 2014*

**English**

nvm got this one
*October 7, 2014*

**English**

is it C??? The author writes that the nobles had "resumed their ancient license in its utmost extent." This means that the nobles had sought to __________. unite with nobles from other nations pay homage and give respect to the king despite his absence strengthen ...
*October 7, 2014*

**chemistry**

Mass (g) of solute in 179.8 mL of 0.267 M calcium acetate
*October 7, 2014*

**calculus 1**

Suppose that a person’s blood pressure at time t in seconds is given by p(t) = 100 + 18 sin (7t). (a) During each heartbeat, what is the systolic pressure (maximum blood pressure) and the diastolic pressure (minimum blood pressure)? (b) According to this model, how many ...
*October 7, 2014*

**MATH**

Apologies, I meant" -((sin^2)x + 1/4) "
*October 7, 2014*

**MATH**

Solve the following equations for x where 0 ≤ x < 2π. tan(x)sin(2x) = √3 sin (x) and cos(2x)−cos(x) = −sin2(x)+1/4 Stuck on these particular types. Have no idea how to start.
*October 7, 2014*

**Calculus**

Simplify the expression cot (cos−1(x)). Not sure how to do this.
*October 7, 2014*

**English**

okay, thank you!
*October 7, 2014*

**English**

Am i correct? Since I have never actually been on a plane, my fear of flying is purely __________; my fear of tight spaces, however, is __________ and based on past experiences. acute…deliberate fatuous…gregarious theoretical…authentic <--- inane…querulous
*October 7, 2014*

**science **

Astronomers think planets formed from interstellar dust and gases that clumped together in a process called _____. stellar evolution nebular aggregation planetary accretion nuclear fusion
*October 7, 2014*

**English**

yes i think it's d? am i correct?
*October 7, 2014*

**English**

The damage those rumors did to the actor's reputation is __________, so it is somewhat understandable that he became so __________ and bitter towards the members of the press who spread lies about him. genial…zealous odious…impeccable wanton…sublime ...
*October 7, 2014*

**histery**

Using the Internet, encyclopedia, and/other reference material for research, write a 1,000-word report on feudalism in the history in one of the following countries: •France •England •Germany Include the approximate years when feudalism began and ended in that ...
*October 7, 2014*

**Algebra **

Are the zeros of g(x) = 2x^2 - 12x + 40 and g(x) = x^2 - 6x + 20 the same?
*October 7, 2014*

**SS**

What are some examples of contrasting landforms? (Desert/glacier, etc)
*October 7, 2014*

**Biology**

How is PKU related to homeostasis?
*October 7, 2014*

**Math**

What is -3.702 + -9.78?
*October 7, 2014*

**Physics Help Fast Please :)**

Oops. Forgot my homework -- maybe I can get some sucker to do it for me. Hmmm...
*October 7, 2014*

**physics intro**

p = mv at its peak, v=0 same speed as it hits as when it left
*October 7, 2014*

**CHEMISTRY 56**

Aerosol cans have a label that warns the user not to use them above a certain temperature and not to dispose of them by incineration. Even an empty can contains residual gaseous propellant. For example, the residual pressure in a can is 1.16atm when it is sitting on a shelf at...
*October 7, 2014*

**bank loans**

if i barrow $3000 at a bank for 12% simple interest for 18 months how much are my monthly payments?
*October 7, 2014*

**Grammar**

What is the correct pronoun for each sentence? 1. The first girl chosen was (she,her). 2. He treasure hunters, (he and her, he and she), were interviewed by reporters. 3. Mike and (she,her) are leaving tomorrow. 4. Lebron and (he, him) have been inseparable since third grade. ...
*October 7, 2014*

**physics**

A force is applied to an initially stationary block of mass 1.75 kg that sits on a horizontal floor as shown. The 53.5 N force is applied at θ = 32° angle. The coefficients of friction between the floor and the block are μs = 0.593 and μk = 0.343. What is ...
*October 7, 2014*

**Physical geography **

On the windward side of the mountain,should the relative humidity of the parcel change as it rises from 2000 m to 4000m?
*October 6, 2014*

**Physics**

the magnitudes of the acceleration are as follows
*October 6, 2014*

**Biology**

Reasons why protein synthesis is important?
*October 6, 2014*

**Physics**

Consider the instantaneous velocity of a body. This velocity is always in the direction of 1. the net force at that instant. 2. the motion at that instant. 3. the least resistance at that instant.
*October 6, 2014*

**Physics**

A record of travel along a straight path is as follows: (a) Start from rest with constant acceleration of 3.07 m/s2 for 16.5 s; (b) Constant velocity of 50.655 m/s for the next 0.767 min; (c) Constant negative acceleration of −9.49 m/s2 for 5.89 s. What was the total ...
*October 6, 2014*

**ART! URGENT**

Landscape with Classic Ruins and Figures by Marco Ricci and Sebastiano Ricci To evaluate the success of this image, you would do all of the following EXCEPT A. Describe the scence presented B. Analyze the color schemes C. Interpet the meaning of the color usage D. Judge the ...
*October 6, 2014*

**ART! URGENT**

I dont have any text, thats why im asking
*October 6, 2014*

**ART! URGENT**

definition of horizon line Assuming the picture plane stands vertical to ground, and P is the perpendicular projection of the eye point O on the picture plane, the horizon is defined as the horizontal line through P. The point P is the vanishing point of lines perpendicular to...
*October 6, 2014*

**ART! URGENT**

meaning of orthogonal of or involving right angles; at right angles.
*October 6, 2014*

**ART! URGENT**

I meant horizan, not horisan
*October 6, 2014*

**ART! URGENT**

What shold an artist do first in order to draw a two-point perspective image? A. Use orthogonal lines. B. Use value changes C. Draw all vertical lines D. Draw a horisan line C?
*October 6, 2014*

**MATH**

We now have d dx [x5 + y8] = 5x4 + 8y7y' = d dx [9] = 0. Rearranging this, we get 8y7y' = ?????????? ------------------------------------- A table of values for f, g, f ', and g' is given. x f(x) g(x) f '(x) g'(x) 1 3 2 4 6 2 1 8 5 7 3 7 2 7 9 (a) If h(...
*October 6, 2014*

**algebra**

a load of 8 kg attached to the bottom of a coil spring stretches the spring to a length of 76 cm and a load of 14 kg stretches it to a length of 85cm. find the natural(unstretched)length of the spring
*October 6, 2014*

**P.E**

Oh sorry B?
*October 6, 2014*

**P.E**

It is often hard to practice self-control when eating in the company of others because people are greatly influenced by which of the following. A. Peers B. Enviorment C. Apperance of food D. Hunger C?
*October 6, 2014*

**Physical Education**

It is important to choose simple carbohydrates for breakfast to get you started for your day. True False True?
*October 6, 2014*

**P.e **

The physical need to eat food is called A. hunger B. appetite C. Psycological desire. D. nutritional value A?
*October 6, 2014*

**math**

Thank You so much.
*October 6, 2014*

**math**

5^5/5^2 A. 5^1 B. 5^2 C. 5^3 D. 5^4 Is the answer B? Thanks a bunch
*October 6, 2014*

**Math**

I'm trying to solve this without using the gcf. 23/525. X 63/92
*October 6, 2014*

**CHEMISTRY 45**

Calculate the average speed of an oxygen gas molecule, O2, at 21.0∘C . ------------------------- How much faster do ammonia (NH3) molecules effuse than carbon monoxide (CO) molecules? --------------------------- Highest rate of effusion to lowest rate He, H2S, C3H8, Ar, H2
*October 6, 2014*

**CHEMISTRY 44**

A syringe containing 1.65mL of oxygen gas is cooled from 91.3∘C to 0.5∘C. What is the final volume of oxygen gas? I got 2.19ml???
*October 6, 2014*

**math**

Oh, now I get it is the answer D? Thanks a bunch
*October 6, 2014*

**math**

How come?
*October 6, 2014*

**math**

w^12/w^18 A. w^30*** B. w^-30 C. w^6 D. w^-6 A?
*October 6, 2014*

**p.e**

thank you
*October 6, 2014*

**p.e**

False?
*October 6, 2014*

**p.e**

MyPlate was created as a tool to help the average American eat one healthy meal a day? True False True? Thanks a bunch
*October 6, 2014*

**Math**

-13.482
*October 6, 2014*

**Math**

What is -3.702 + -9.78?
*October 6, 2014*

**p.e**

The more active you are, the fewer calories you should eat? True False False? Thanks a bunch.
*October 6, 2014*

**math**

D. sorry I think I was putting the wrong answer in.
*October 6, 2014*

**math**

y^5*y^14= A. 2y^19 B. y^60 C. y^19 D. 2y^60 A? Thanks
*October 6, 2014*

**Math**

d=m/v m=d*v d=1025kg/m^3 v=12m^3 m=(1025kg/m^3)*(12m^3)=12300kg
*October 6, 2014*

**Math**

Thank you both.
*October 6, 2014*

**Math**

Um.... Do you mean that my answer is correct or not?
*October 6, 2014*

**Math **

Which exponet makes the statement true? 1/5^9=5^? A. 9 B. -9 C. 1/9 D. -1/9 B?
*October 6, 2014*

**Math**

take the derivative respect to y not x if you graph it its a sideway parabola. x=4y-y^2 x'=4-2y when derivative = 0 you have the min of the function. 0=4-2y -4=-2y 2=y plug 2 in to the equation x=4y-y^2 x=4(2)-(2)^2=4 vertical line at point(4,2) x=4 is vertical tangent to ...
*October 6, 2014*

**Physical Education**

Thank you
*October 6, 2014*

**Physical Education**

Carbohydrates?
*October 6, 2014*

**Physical Education**

The body's main energy source should come from what essential nutrient? A. Protien B. Fat C. Carbohydrate D. Minerals D?
*October 6, 2014*

**p.e**

The essential nutrient that serves as the main building blocks for the body is? A. Protein B. Fat C. Carbohydrates D. Minerals A am I correct?
*October 6, 2014*

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