Wednesday

May 4, 2016
Total # Posts: 755

**Algebra Help **

8x – 3 = 15x + 18 x = –3 x = 3 x = 2.1 x = .9 Can you show how you did it please?
*November 18, 2014*

**math (stats)**

but how do use percent?
*November 17, 2014*

**math (stats)**

The cholesterol levels of adult American women are approximately normal with the mean of 188 mg/dl and a standard deviation of 24 mg/dl. a company wants to test a certain medication for women falling in the highest 15% of cholesterol readings. what is the lowest cholesterol ...
*November 17, 2014*

**one more history question please?**

How did sectionalism emerge in the 1820s? Compare the priorities of the regions
*November 13, 2014*

**Math**

Your welcome!
*November 13, 2014*

**Math**

2.001,2.01, 2.011 , 2.1, 2.11 :)
*November 13, 2014*

**History Help Please?**

Thank You All!
*November 13, 2014*

**History Help Please?**

What resources led to the appearance of the Industrial Revolution in New England?
*November 13, 2014*

**Algebra Help URGENT Please?**

1,900?
*November 11, 2014*

**Algebra Help URGENT Please?**

Ooops lol crap wrong answer
*November 11, 2014*

**Algebra Help URGENT Please?**

so like 38.7 increase? the is closest in my answers
*November 11, 2014*

**Algebra Help URGENT Please?**

Jamie is a salesperson in a shoe store and earns $95 per week, plus 20% of her weekly sales. If Jamie makes $475 in one week, what are her sales for that week?
*November 11, 2014*

**Algebra help URGENT Please?**

Ok I got $4.15 but ok thx :D
*November 11, 2014*

**Algebra help URGENT Please?**

Chris and five of his friends go out to dinner. The total bill comes to $124.29. They decide to leave a 20% tip. Each person will contribute an equal amount to the total tip. Estimate what each person should contribute. a$29.00 b$21.00 c$5.00 $4.15
*November 11, 2014*

**Science plz?**

Identify the process that is necessary for sexual reproduction, explain why it is necessary, and identify how this process increases genetic variation.
*November 10, 2014*

**English**

What are some words that start with 'w" and mean the same as "change"?
*November 9, 2014*

**science**

green
*October 30, 2014*

**algebra 2**

d=0.5*g*t^2 therefore, t^2= d/ (0.5*g) where: d= 2500 ft g = 32.2 ft /sec^2 solving t: t^2 = 2500/ (0.5*32.2) t^2 = 155.28 sec^2 t= 12.46 sec
*October 27, 2014*

**physics**

an airplance traveling at 450 km/h needs to reverse its course. the pilot decides to bank the wings at 12 degrees. find the time needed to reverse the course
*October 19, 2014*

**S.S.**

You are correct
*October 18, 2014*

**Math Algebra**

Thank you
*October 18, 2014*

**Math Algebra**

Ok so I have figured out that u multiply the coordinates by 2 so am I right? V(12,4) W(-4,8) X(-6,-4) Y(6,-10)
*October 18, 2014*

**Math Algebra**

The coordinates of quadrilateral VXY Are given below. Find the coordinates of its image after a dilation with the given scale factor V(6, 2), W(-2, 4), X(-3, -2), Y(3, -5) scale factor of 2 This question is confusing me and is worth 3 points please help :)
*October 18, 2014*

**Music**

And dubstep
*October 18, 2014*

**Math algebra Help please**

thanks guys
*October 16, 2014*

**Math algebra Help please ms.sue**

Plz halp
*October 16, 2014*

**Math algebra Help please**

A right triangle has an area of 24 ft^2 the dimensions of the triangle are increased by a scale factor of 6 A.48ft^2 B.72ft^2 C.144ft^2 D.864ft^2
*October 16, 2014*

**math**

how to write 700+3000+40000+12+80 in standard form
*October 11, 2014*

**Math, Help Please IF you can**

Chapter 6, Section 6.1, Question 036 The function g(x) is obtained by shifting the graph of y=x^2 If g(3) = 25 (a) g is the result of applying only a horizontal shift to y=x^2 g(x) = (b) g is the result of applying only a vertical shift to y=x^2 g(x) = g left-parenthesis x ...
*October 10, 2014*

**MATH HELP PLEASE**

1. What is the product of (5.1 × 10^3) • (3.2 × 10^3)? (1 point) 16.32 × 10^6 1.632 × 10^7 16.32 × 10^9 1.632 × 10^10 2. What is the product of (7.28 × 10^-2) • (9.1 × 10^-2)? (1 point) 6.6248 × 10^-3 66.248 &...
*September 30, 2014*

**Math**

True
*September 30, 2014*

**Physics**

When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky diver and, thus, slows him down. Suppose the weight of the sky diver is 852 N and the drag force has a magnitude of 1012 N. The mass of the sky ...
*September 25, 2014*

**math**

Is it right? :)
*September 24, 2014*

**math**

Ok it is R^2 I believe
*September 24, 2014*

**math**

What are the answers?
*September 24, 2014*

**Science **

Dust mites are microscopic bugs that are too small to see with a dissecting microscope. To see the details of a dust mite’s skin, which of the following microscopes would you use? A. dissecting microscope B. compound microscope C. transmission electron microscope D. ...
*September 24, 2014*

**physics**

485
*September 23, 2014*

**Algebra**

Maggie is making fruit punch. She uses 2 1/2quarts of grape juice and 1 1/2 quarts of orange juice. 1 quart of grape =$1 less and 1 quart of orange juice. The total cost to make the fruit punch is $12.50 how much is each quart of each juice?
*September 23, 2014*

**Physics**

An object is thrown upward from the top of a 10.0m high building at a speed of 10.0m/s. How fast is the object moving when it reaches the bottom of the building? The answer is 17.2 m/s but how?
*September 22, 2014*

**Physics**

Your instructor will walk at constant velocity beneath the announcer's booth of the varsity baseball field (a two-story tower). Your teammate will stand tall on top of the announcer booth's steps, with her or his dropping hand raised above his/her head. The egg must ...
*September 21, 2014*

**math**

give one example of a time after 1:00 and before 2:00 when the hands of the clock form an obtuse angle
*September 20, 2014*

**math**

tina is more than 20 yrs old but less than 60. you can count by 7s to reach her age. next year you count by 5s to reach her age how old is she?
*September 20, 2014*

**Math**

DEEZ NUTZ
*September 15, 2014*

**math**

find two numbers whose difference is 153
*September 13, 2014*

**Law of Cosines**

i.imgur. com / CvoC1sB.jpg I'm confused about how to submit a link, but attached is the problem because there is a diagram. I did part of it, but I'm stuck! I put in spaces.
*September 13, 2014*

**math**

341- blank = a number between 115 and 120
*September 7, 2014*

**math**

use only the 6,+,-,x,divided,and = keys on a calculator to get the display to say 7. you can use these keys as many or as few times as you need,but you can't use any other keys. Record your way
*September 1, 2014*

**math**

jim is more than 20 yrs old but less than 60. you can count by 7s to reach his age. next yr you can count by 5s to reach his age how old is jim
*August 27, 2014*

**math**

10, 15, 25 what is the range ?
*August 27, 2014*

**physics**

You are at a archeological dig an discover a strange artifact. It is a utinsil tha appears to be carved out of an elephant's tusk You analyze it and discover that it has 0.625 the amount of carbon -14 you woul find in a living specimen. How many half lives has the specimen...
*August 24, 2014*

**Physics**

Charge A has a charge of +2 C. Charge B has a charge of - 3 C and is located 1 meter to the right of A. Charge C is located 1 m to the right of charge Band has a charge of -1C. If a fourth charge (Charge D) is placed 4 m to the right of Charge B, How much charge must it ...
*August 23, 2014*

**statistics**

The number of vacation days taken by employees of a company is normally distributed with a mean of 14 days and a standard deviation of 3 days. For the next employee, what is the probability that the number of days of vacation taken is less than 10 days? More than 21 days?
*August 17, 2014*

**programing**

The Human Resources Department of Apex Manufacturing Company wants a report that shows its employees the benefits of saving for retirement. Produce a report that shows 12 predicted retirement account values for each employee—the values if the employee saves 5, 10, or 15 ...
*August 5, 2014*

**Finance**

The Fridge-Air Company's preferred stock pays a dividend of $4.50 per annually. If the required rate of return on comparable quality stocks is 14 percent, calculate the value of Fridge-Air's preferred stock.
*August 5, 2014*

**math**

if a ticket for a game was 60.00. than later the price was increased by 2/5 what is the final cost of the ticket?
*July 2, 2014*

**C# programming**

how to write c# program that will calculate for the average of positive integer inputs from 0 to n. Also determine the number of input for numbers that are greater than 10, 30, 50, 70, and 90.
*July 2, 2014*

**Math**

state whether each relation y=f(x) describes a quadratic function or not y=3-x^2
*June 18, 2014*

**Math**

state whether each relation y=f(x) describes a quadratic function or not
*June 18, 2014*

**writing**

in the topic sentence exercising three days a week will provide good physical health,what is the topic statement and what is the controlling sentence?
*June 9, 2014*

**math**

jay discounts a 100-day note for 25,000 at 13%. the effective rate of interest to the nearest hundredth percent is what percent?
*May 28, 2014*

**Chem**

Calculate ΔG∘ at 298 K for the following reactions. A) Ca(s)+CO2(g)+12O2(g)→CaCO3(s) B) 2KClO3(s)→2KCl(s)+3O2(g) C) CO(g)+H2O(g)→H2(g)+CO2(g)
*May 14, 2014*

**programming**

3. Create the logic for a program that accepts input values for the projected cost of a vacation and the number of months until vacation. Pass both values to a method that displays the amount you must save per month to achieve your goal.
*May 13, 2014*

**science**

How is that right if the question just said it is too small to see with a dissecting microscope
*May 7, 2014*

**Chemistry **

Consider the following reaction at constant P. Use the information here to determine the value of ΔSsurr at 398 K. Predict whether or not this reaction will be spontaneous at this temperature. 4 NH3(g) + 3 O2(g) → 2 N2(g) + 6 H2O(g); ΔH = -1267 kJ A)ΔSsurr...
*May 5, 2014*

**physics**

Your vertical spring accelerometer has a 40 g mass hanging from it. You climb aboard the roller coaster that starts at rest and watch the accelerometer read 0.45 for 5 seconds while descending the first peak and then change to 2.8 for 2.5 seconds while going through the bottom...
*April 28, 2014*

**math**

A movie theater ticket booth opens at 10 am. There are four tellers who divide the customers evenly. The tellers have served 16 customers so far this morning. which expression represents the unknown number of customers each teller will serve? Let c represent the additional ...
*April 22, 2014*

**Trig**

A vertical tower is on a 12° slope. from a 50 m down the hill, the angle of elevation of the top of the tower is 30°. find the height of the tower
*April 15, 2014*

**math**

Sara drives 72 miles on 3.2 gallons of gas. She uses this information to calculate how many miles per gallon she can drive. Using this result, how many miles can Sara drive on 13.3 gallons of gas?
*April 9, 2014*

**CHEMISTRY**

HOW MANYMOLES OF SULFUR DIOXIDE CAN BE PRODUCED FROM 20.0G OF HYDROGEN SULFIDE?
*March 27, 2014*

**science**

A ramp 20m long slopes down 1.2m to the edge of a lake. A force of 300N is needed to pull a boat on a trailer at constant speed up the ramp when they are clear of the water. If friction is negligible, what is the combined mass of the boat and trailer. Hints: Calculate MA of ...
*February 16, 2014*

**Statistics**

The mean of a distribution of 1000 individuals' blood pressure is 85. If this number were translated into a Z score it would be equal to +1 standard deviations. True or False? I know to calculate a Z score the formula is Z= (X-sub-i minus the mean)/ standard deviation. the...
*February 11, 2014*

**Physics**

Police find skid marks 60 m long on a road showing where a car made an emergency stop. Assuming that the deceleration was -10m/s2, how fast was the car going?
*February 9, 2014*

**Math**

What is the solution to the inequality below? 12x > 6(x - 2)
*January 15, 2014*

**Pre-Calculus**

Find an equation of the line that satisfies the given conditions Through (-2,4); slope -1 How would you solve that by using the point slope form and writing it in the general equation of a line? ax +by + c =0
*January 11, 2014*

**Pre-Calculus**

Find an equation of the line that satisfies the given conditions Through (-2,4); slope -1
*January 11, 2014*

**math **

Can someone check my answers: write out each problem with repeated addition. 3*0= 0*13= 20*0= I got 0+0+0 0+0+0+0+0+0+0+0+0+0+0+0+0 0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0
*January 8, 2014*

**3-D Coordinates Polar coordinates Precalculus Trig**

Sorry, never mind. I figured it out.
*December 18, 2013*

**3-D Coordinates Polar coordinates Precalculus Trig**

Hi. I don't understand why you multiply by 50*pi/180. The 50 degrees is the difference in the longitude, but why isn't that divided by 360? Why the pi/180? If someone could clear that up I would appreciate it.
*December 18, 2013*

**Reading Skills**

Hello Sue, the answer is a simile. Please read the following: Each of these he set adrift like a paper boat on a shifting sea of daydreams. He did that encased in the drone and shudder of diesel pistons and hissing tires. Jamie Sabin was going home to a place unknown. With ...
*December 17, 2013*

**Reading Skills**

The answer to this question IS NOT "B". What is the answer to the following question. Inside the bus, in his summer Class-A uniform with its brass glitter and infantry-blue shoulder cordon, Jamie Sabin was going home. Fort Benning would be a fading dream; Preston, ...
*December 17, 2013*

**Reading Skills**

Inside the bus, in his summer Class-A uniform with its brass glitter and infantry-blue shoulder cordon, Jamie Sabin was going home. Fort Benning would be a fading dream; Preston, Virginia, a place unknown, his future. He was in between, fumbling with puzzle pieces, making up ...
*December 17, 2013*

**Reading Skills**

In American society, romantic love is considered the main reason for people to marry. On the other hand, in some societies, romantic love is considered a form of obsession or madness. In fact, even in many societies where "true love" is not considered a form of ...
*December 16, 2013*

**science**

2. According to your text, the groundwater aquifers of India have been severely over pumped. (Points : 1)
*December 15, 2013*

**Math #2**

Can you show me the work to get these answers also? 2.Use the function, f(x)=3x^2-16x+5/(3x-1)(x+4)^2: a. Find the domain of f(x) in interval notation b. Factor and simplify f(x) completely. c. Find the x-intercept(s), if any. d. Find the y-intercept, if any. e. Determine the ...
*December 8, 2013*

**Math #2**

Can you show me the work to get these answers also? 1.Given g(x)=x^3+5x^2+6x+30,find: a. All real/complex zeros. b. All x-intercept(s),if any.
*December 8, 2013*

**Math**

Can you show me the work to get these answers also? A.Solve each equation. Leave exact answers: 1.5^3x-2=14 2.log(x-1)-logx=log(x-3) B.If f(x)=x+2/x and g(x)=7/x-5, a. Find the composition (f o g)(x) and simplify completely. b. Find the domain of (f o g)(x).Write answer in ...
*December 8, 2013*

**Classical Mechanics - Need Help Please**

You beauty, Thanks bw. All I have left is the falling ruler if you have any advice for that one. Otherwise thanks a million!
*December 8, 2013*

**Classical Mechanics - Need Help Please**

bw, For the above question (the block of mass 3kg one) I am still getting the incorrect answer for your answer of c.) 44.99 Is it possible this is incorrect still?
*December 8, 2013*

**Classical Mechanics - Need Help Please**

A block of mass m= 3 kg is initially at rest on a horizontal surface. At time t=0, we begin pushing on it with a horizontal force that varies with time as F(t)=βt2, where β= 1.2 N/s2. We stop pushing at time t1=5 s [F(t)=0 for t>t1]. (a) First, assume the surface ...
*December 8, 2013*

**Classical Mechanics Physics - Urgent help please**

Hey Damon, Part b and c: (b) What is the force exerted by the wall on the ruler when it is at an angle θ=30∘? Express your answer as the x component Fx and the y component Fy (in Newton) Fx= Fy= (c) At what angle θ0 will the falling ruler lose contact with the ...
*December 7, 2013*

**Math**

4x-3y=5 Solve { 5y+7=3x using the method of elimination.
*November 27, 2013*

**Math**

Determine the equation of g(x) that results from translating the function f(x) = x2 + 3 upward 14 units. g(x) = (x + 17)2 g(x) = (x + 14)2 + 3 g(x) = x2 - 11 g(x) = x2 + 17
*November 24, 2013*

**Finance**

I got 68016.92
*November 8, 2013*

**Math**

It's a NUMBER? It is divisible by 3 but not by 9 or 15. It is not an even number and it is less than 90. The sum of it is 12 and it could be the Product of 27..... What NUMBER??
*November 7, 2013*

**Science**

What is a substance that cannot be separated into simpler substances by physical or mechanical methods such as filtering, boiling, or sifting?
*October 25, 2013*

**physics**

(a) What is the escape speed on a spherical asteroid whose radius is 435 km and whose gravitational acceleration at the surface is 0.632 m/s2? (b) How far (in km) from the surface will a particle go if it leaves the asteroid's surface with a radial speed of 535 m/s? (c) ...
*October 4, 2013*

**physics**

(a) What is the escape speed on a spherical asteroid whose radius is 435 km and whose gravitational acceleration at the surface is 0.632 m/s2? (b) How far (in km) from the surface will a particle go if it leaves the asteroid's surface with a radial speed of 535 m/s? (c) ...
*October 4, 2013*