Friday

April 18, 2014

April 18, 2014

Total # Posts: 1,659

**Math**

If P(F)=0.3, P(E or F) =.65 and P(E and F)=.15, find P(E)

**Applied Geometry maths**

How would I find out how far away from the base of the tower she was when she made her first measurement of 15deg20'

**Geometry**

40. Find the surface area of a conical grain storage tank that has a height of 42 meters and a diameter of 20 meters. Round the answer to the nearest square meter. (1 point) 3,028 m2 3,971 m2 1,357 m2 1,671 m2

**Writing help!**

1.In the bitter cold, (he, him) and Dad struggled to save the orange crop. My answer:he 2. (Her and me, She and I) have joined the Shutter and Lens. My answer:she and I 3. Phil showed Danny and (I, me) his butterfly collection. My answer:me 4. Bert warned Hank and (I, me) abou...

**Writting**

Imagine that you are an agent who is interested in publishing new authors. Choose any book you like and present the book to a publisher in New York. You want to be the person responsible for putting the book on the shelf. You should convince the publisher that the book is well...

**Economics **

Explain the difference in prices for each of the following pairs of goods in terms of the laws of supply and demand: (a) natural diamonds and zircons (human-made diamonds), (b) a loaf of bread baked today compared with day-old bread, (c) roses in January and roses in June. Tha...

**Writting**

Persuasive Writing Assignment: Imagine that you are an agent who is interested in publishing new authors. Choose any book you like and present the book to a publisher in New York. You want to be the person responsible for putting the book on the shelf. You should convince the ...

**L.o**

Human or environmental problem under substance abuse. The impacts

**Algebra**

x-14/x-1=4-2x/x-1

**math**

oh yeah it says to simplify but I have no clue at all as to how to do this it is a complex number problem I think does anyone know how to do this?(im the one that posted the question)

**math**

-10i(5+8i)

**math**

im not really sure but maybe itslike a month because the way I put it in my calculator Is 1200/0.07=17142.85714 but im not good at math so idk. I tried at least

**science**

what may happen to an ecosystem if nonliving factors change or if one more populations are removed from or added to the ecosystem?

**Math**

Solve. 10/(3x) + 4/3 = (7 + x)/2x A) x = 1/3 B) x = 17/5x C) x = 1/5 D) x = 1/6 help??

**math**

a football team gained 12 yards on one play, lost 40 yards on another and gained 34 yards on the last play of the first half. they had already gained 345 yards during the half. what was the total yardage gain for the first half?

**algerbra**

solve the equation step by step list each step along with the property you used during that step -5*1*11*4

**math**

what is a verbal rule in math?

**Math**

me to

**Life science, business and maths literacy**

my name is amanda and am doing grade 12 at school am doing business,life sciences,geography and maths lit so what i want to know is the career that is suitable for these subjects

**Chemistry**

What mass of sodium oxide is produced from 4.23 grams of sodium and 20 liters of oxygen gas?

**science**

Do your own work please

**science**

can you describe the process of cellular respiration.include the words:sugar,energy,carbon dioxide,and water

**math**

and what would 0.1875 be as a fraction?

**math**

can someone tell me what would 0.0625 be as a fraction?

**Chemisry**

Why wouldn't it be KBr? Why are the twos added? How come its not just K + Br ==> KBr since their charges cancel out? Help!

**AP chemistry **

1). In a titration 20 mL of 0.100 M of HCl is added to 50.0 mL of 0.150 M of ammonia. A). What is the pH of NH3? B). What is the pH of the resulting solution? HELP :(

**4th grade math**

there are 12 inches in a foot so 14x12=168

**socials please check**

i believe 5

**Chemistry**

D the Keq expression of the 2nd one is = to (1/the first Keq expression)^(1/2) so take the answer of the first Keq, 5.4x10^13 and put it in that equation (1/(5.4x10^13))^(1/2)=1.36x10^-7=1.4x10^-7

**Chemistry**

hydronium is [OH-] ions, so you looking for the Ph that is most basic, which is your highest number 12.6

**Socials please check my answers**

that's correct

**math**

1.0425^12? if so the answer is 1.6478

**12Chemistry**

useing them maybe.. but i dont think they would bond them.. there specialty is teeth.. i only know about pharmacy because thats my intended major next year

**12Chemistry**

pharmacy, compounding not retail

**Math**

greater because theoretical would be 40 of 80 since there are 2 choice (heads or tails)

**math**

# of pennies/# of all coins 12+6+4+8=30 12/30=2/5

**math ALG 2!**

i've answered like 10 of these for you... you should be able to figure out how this works by the past problems if you really dont understand the process

**math ALG 2!**

38900

**math ALG 2!**

x10^6? if so.. 4,250,000

**math ALG 2!**

scientific notation helps make very large or very small numbers easier. for very large numbers you move the decimal place as many spaces to the left to leave you with one # on the left. you then take the # of spaces you moved and times it by 10^that number. You do the same for...

**math ALG 2!**

2.1x10^-7

**math ALG 2!**

7.4*10^6

**math ALG 2!**

2.3*10^7 you move the decimal place over till you have a number between 1 and 10 you then times it by 10^ number of spaces you moved over

**Math**

5b+9m=150.5 9b+5m=175.7 if you add them you have one equation. 14b+14m=326.2 14(b+m)=326.2 b+m=23.3 b=23.3-m sub. this back into one the original equations 9(23.3-m)+5m=175.5 209.7-9m+5m=175.5 -4m=-34.2 m=8.55 Plug that into the other equation 5b+9(8.55)=150.5 5b+76.95=150.5 5...

**chem**

sorry read it wrong, doing this now in chem

**chem**

PH=-log(ka)+log(base/acid) 4.8=-log(1.8*10^-8)+log(x/.15) 4.8=7.7447+log(x/.15) -2.9447=log(x/.15) .001135=x/.15 x=1.875*10^-4

**AlgebraB-2**

1. what graph? 3. -2x2-4 is 4 units below -2x2 4. wich func.?

**Calc**

f(x)=2ln(x^2+3)-x Domain [-3,5] how do i find the absolute maximum value of this?

**math mrs sue please help **

Find the property of the real numbers which will complete the argument below: 1. Zero is not a positive number. 2. Choose x as the smallest number. 3. The ________ property tells us that _________. 4. Therefore, between x and 0 there will be a third number, smaller than x. 5. ...

**Algebra 1**

Find the property of the real numbers which will complete the argument below: 1. Zero is not a positive number. 2. Choose x as the smallest number. 3. The ________ property tells us that _________. 4. Therefore, between x and 0 there will be a third number, smaller than x. 5. ...

**eng1511**

Need points so I can write an argumative essay

**eng1511**

The sure solution of unemployment is a better quality of education

**ENG1511**

Where is the passage cos u were suppose to copy n paste it

**Math**

ln24 - ln6

**ENG1511**

I wanna write 2 but have no clue where to start

**World History **

History and Geography Activity 12 what page is this on?

**College Algebra**

Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle. x^2+y^2+16x-18y+145=25

**English**

Thanks for you your help.

**English**

choices...curtail,devastate,digress,incentive,incorporate,indispensable,intermittent,rigor,squander,succumb here is the sentences: 1,2:Duane feels he ____(e)d too many years in inactivity, so now he welcomes the _______s of an exercise program. 3,4. The company decided to ____...

**English**

I don't know what I think that is why I am asking for help !

**English**

Here is my choices...curtail,devastate,digress,inceantive,incorporate,indispensable,intermittent,rigor,squander,succumb here is the sentences: 1,2:Duane feels he ____(e)d too many years in inactivity,so now he welcomes the _______s of an exercise program. 3,4.The company decid...

**english**

Willie is a ________ on our school. Not only does he start fights with opposing players on the basketball court, but he also _______s after he's benched. as if he's prode of causing such turmoils. In fact,although he's a great player, the coach is pondering kicking...

**English**

The little girl was so___ after her illness that her parents carfully____(e)d fattening meals that were sure to arouse her appetite. Willie is a ________ on our school. Not only does he start fights with opposing players on the basketball court, but he also _______s after he&#...

**english**

After the bully struck him, Jules wanted to________ by throwing a rock, but he had______s about doing anything so dangerous.

**english**

What is the adjective in the sentence "The red truck was parked behind the garage"? A. red B. truck C. behind D. parked

**math**

6x=-36

**PHYSICS HELP!!**

3.) Draw a free body diagram of a boat being pulled at an accelerated rated by a truck down a highway.

**PHYSICS HELP!!**

#2.) Draw a free body diagram for the following situation: a.) A 0.15 kg running shoe is pushed to the right, with a constant velocity, across a wet concrete floor with an applied force of 3.5 N. b.) Calculate the normal force exerted by the concrete onto the running shoe.

**PHYSICS !!!HELP**

#1.) If the force of gravity on a human is 539 N determine the mass of the human.

**Math**

An airplane is flying due west at a velocity of 100 m/s. The wind is blowing out of the south at 5 m/s. What is the magnitude of airplane's resultant velocity?

**Physics**

During the second stage of a rocket launch the rockets upward velocity increases from 980 m/s with an average acceleration of 33 m/s (upward). How long did the acceleration last?

**Physics**

A boat which travels 100 km (N), then 40 km (N), and finally 80 km (S). The entire trip takes 6.5 hours. A.) Calculate the total displacement of the boat B.) calculate the velocity of the boat

**Physics **

In the human body, blood travels faster in the largest blood vessel, the aorta than in any other blood vessel. Given an average speed of 30 cm/s, how long would it take the blood to travel 5 cm?

**Physics**

Classify the following measurements as scalar of vector quantities. A.) 15 s B.) 4.2 m ( up) C.) 100 km/h (S) D.) 2.8 kg

**Physics**

A cheetah can run with a speed of 29 m/s. Determine the distance travelled by a running cheetah in 8.6 s

**Physical Sciences**

How do I calculate the initial velocity of a ball if i've only given a maximum height of 12metres above its starting point?

**engineering**

the pringles manufacturing company tells you that they are switching to a potato supply that has a higher moisture content than those used previously. The new supply, after being mashed an cooked, prior to drying for pringles production, now contains 70% moisture content. they...

**engineering**

Your friend, a 75 kg mountain climber is suspended from a cliff by a rope. Calculate the tension in the rope, in Newtons, when you lift your friend to safety. If the rope can withstand 1.25 kN of stress per square centimeter of cross-sectional area, what minimum diameter of ro...

**Math**

A moving truck fills up a shipment at an od adress, at (-2,1). It travles 7 blocks south and 6 blocks east to the new adress. What is the location of the new adress? PlEASE ANSWER THIS AS FAST AS POSSIBLE!! Amanda

**7th grade Social Studies from another school**

I have gratitude toward this website and I have used it to check my work and get 100% I agree with all of the statements Emily has made. Thankyou! ttyl!

**Negatives**

32x45=__ +-67 ?

**Physics**

A crate is sliding down a ramp that is inclined at an angle 37.9 ° above the horizontal. The coefficient of kinetic friction between the crate and the ramp is 0.330. Find the acceleration of the moving crate.

**Us history**

Describe the economic policy of merchantilism in early America

**jmhs help**

Which of the following statements about learning styles is false? A. An individual should study using techniques that utilize his or her preferred learning style. B. An individual can learn using only his or her preferred learning style. C. Understanding your preferred learnin...

**biology**

The Eastern skunk cabbage, which blooms in very early spring, produces chemicals that smell like decaying meat. This plant has probably become adapted to mate with the assistance of A) butterflies. B) honeybees. C) flies. D) wind.

**math**

27 weeks.

**chemistry**

the answer is 15 right

**chemistry**

how many liters of ammonia are required to react with 1 mole of oxygen gas at 850 degrees centigrade and 5 atm in order to produce nitrogen monoxide and water vapor at the same conditions

**Physics**

Glycerin is poured into an open U-shaped tube until the height in both sides is 20 {\rm cm}. Ethyl alcohol is then poured into one arm until the height of the alcohol column is 20 {\rm cm}. The two liquids do not mix. What is the difference in height between the top surface of...

**7th grade math Ms. Sue please**

HOW did you figure that out? I'm so confused...

**Physics**

A 125 ball has a kinetic energy 33.6 What is the magnitude of it's momentum? What is the speed?

**Physics**

Your sofa won't fit through the door of your new sixth-floor apartment, so you use a 1.19 motor to lift the 88.6 sofa 18.3 from the street. How much time does the lift take?

**Physics**

What power is needed to lift a 358 crate of bricks from the ground to the top of a 25.0 -high building in 1 minute?

**Geometry**

EF = 3x-16, FG = 2x-7, and EG = 17, find the values of x, EF, and FG

**chemistry**

What mass of chromium is contained in 50 ml of 6.55 M cr2(cro4)3? a. 85.2g b. 0.188g c. 68.1 g d. 17.0g

**chemistry**

what total mass of product will form when 1.38 L of c3h8 at 25 degrees C and 760 torr react with 75.0 mL of 5.33 M h2cr04? a. 48.2g b.114g c. 342g d. 9.71g

**chemistry**

what total mass of product will form when 1.38 L of c3h8 at 25 degrees C and 760 torr react with 75.0 mL of 5.33 M h2cr04? a. 48.2g b.114g c. 342g d. 9.71g

**chemistry**

What mass of chromium is contained in 50 ml of 6.55 M cr2(cro4)3? a. 85.2g b. 0.188g c. 68.1 g d. 17.0g

**algebra**

no, the homework was 50 questions, these are just the ones I've tried to do several times and failed miserably at.

**algebra**

Completely factor the following expressions. Please show work/explain t^2+4tv+4v2 4x^2-8x-12+6x 144-9p^2 5c^2-24cd-5d^2 w^2-17w+42 256z^2-4-192z^2+3 2a^2c^3-14bc^3+32c^3d^2 35g^2+6g-9 3j^3-51j^2+210j

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