Friday
March 24, 2017

# Posts by Name

Total # Posts: 81

area of polygons - math
The sixth-grade art students are making a mosaic using tiles in the shape of right triangles. Each tile has leg measures of 3 centimeters and 5 centimeters. If there are 200 tiles in the mosaic, what is the area of the mosaic? How do I set this up? Thanks in advance
March 19, 2017

Equations with Fractions
Thank you!
March 1, 2017

Equations with Fractions
Jose's gas tank is 3/10 full. After 6 gallons of gas it is 4/5 full. How many gallons can Jose's tank hold? How do I set this up?
March 1, 2017

applications of proportion math
Piper is paid an hourly rate plus 16% commission on everything he sells. One week, he was paid \$365 for working 20 hours and selling \$1500 worth of camera equipment. What is his hourly rate? How do I set this up?
February 27, 2017

applications of proportion math
Do I move the decimal to the right twice?
February 23, 2017

applications of proportion math
Centerville's population decreased from 37,065 to 26,102. How do I find the percent of change?
February 23, 2017

math - proportions and ratios
A gardener found that he was able to plant 1/4 of a packet of flower seeds in 1/5 of a garden. At this rate, how much of the garden would he cover with the entire packet of seeds? A) 1/20 B) 4/5 C) 5/4 D) 9/2 I want to know how to set up the problem.
February 23, 2017

math
thank you
January 8, 2017

math
Where did you get 190 and 300?
January 8, 2017

math
Thanks!
January 8, 2017

math
Pretend that you are now a senior in high school. You have been planning a vacation for mid-winter recess with your friends. Ten years ago, your parents put \$200 in a savings account for you. It offered 6% simple interest rate to spend on food and souvenirs. Your mom offered ...
January 8, 2017

math
Okay, thanks.
January 8, 2017

math
Where did you get 1,200?
January 8, 2017

math
Thank you
January 8, 2017

math
If \$10,000 is invested in an account at 4.8% annual simple interest, how long will it take for the account balance to grow to \$11,200? I am confused. How do you do this?
January 8, 2017

Algebra
Joe had collected 20 stamps at age 6. At age 10, his collection grew to 72 stamps. Assuming linear growth, write an equation that expresses the relation between time and number of stamps.
September 29, 2016

Chemistry
Balanced chemical equation for H2O + SO2 --> O3 + H2S + SO3?
April 24, 2016

Chemistry
Consider the following reaction in water: P4 (s) + 6 H2O (l) → 2 PH3 (g) + 2 H3PO3 (aq) If you allow 23.42 g of P4 to react what would be the pressure that the dry gas would exert on a 15.00 mL container at STP. Assume all of the phosphorus reacted. This can be solved by...
April 24, 2016

Language Art's
question 8 is c
November 13, 2015

organic chemistry
well basically inorganic is the study of the synthesis and behavior of inorganic and organometallic compounds. This field covers all chemical compounds except the myriad organic compounds (carbon based compounds, usually containing C-H bonds), which are the subjects of organic...
June 27, 2015

Just multiply the two fractions together. It's 1/8.
February 26, 2015

Science
wow I'm REALLY late on answering this, and you're prob not gonna c this. Sorry!
October 15, 2014

physics
Initially, a particle is moving at 4.20m/s at an angle of 34.5∘ above the horizontal. Two seconds later, its velocity is 6.50m/s at an angle of 50.0∘ below the horizontal. What was the particle's average acceleration during these 2.00 seconds?
September 21, 2014

physics
As two boats approach the marina, the velocity of boat 1 relative to boat 2 is 2.20m/s in a direction 47.0 ∘ east of north. If boat 1 has a velocity that is 0.745m/s due north, what is the velocity (magnitude and direction) of boat 2?
September 21, 2014

physics
Four identical masses of mass 800kg each are placed at the corners of a square whose side lengths are 15.0cm . What is the magnitude of the net gravitational force on one of the masses, due to the other three?
April 14, 2014

Physics
You are given a four-wheeled cart of mass 11 kg, where the distance between a wheel and its nearest neighbors is 2.1 m. Suppose we load this cart with a crate of mass 109 kg, where the crate's center of mass is located in the back-middle of the cart, 0.525 m from its ...
April 7, 2014

physics
You are given a four-wheeled cart of mass 11 kg, where the distance between a wheel and its nearest neighbors is 2.1 m. Suppose we load this cart with a crate of mass 109 kg, where the crate's center of mass is located in the back-middle of the cart, 0.525 m from its ...
April 6, 2014

Physics
Consider two masses that hang from an overhead beam. The first mass of 86.4 kg is attached to the beam using an ideal rope. The second mass of 20.8 kg is attached to the first mass with an ideal rope and hangs directly under the first mass. (a) Find the tension in the lower ...
April 6, 2014

MATH
Damon you math is off. The problem says that there are a total of 400 students. Your calculations suggest that there are 500.
March 24, 2014

Physics
Suppose the magnitude of the "drag force" acting on the falling object of mass m is Dv2. Find the expression for the magnitude of the terminal velocity of this object. (Use any variable or symbol stated above along with the following as necessary: g. Do not ...
February 21, 2014

physics
You are told that the linear "drag coefficient" due to air resistance for a particular object is 0.64 N · s/m and the object has a mass of 0.0010 kg. Find the magnitude of the terminal velocity of this object when dropped from rest. (Assume the object's ...
February 21, 2014

Pre algebra
What is y=5x+5 the anwser and a graph? What is y= -3x+ 6 the anwser and a graph or the coordinates ? What is 3x-6y< -12 with a graph or coordinates
February 20, 2014

Physics
If a frictionless incline has a difference in height from one end to the other of 19.5 cm and has a length along the incline of 1.36 m, find the time it takes for a block of 1.1 kg, starting from rest, to slide down the ramp from the top to the bottom of this incline.
February 15, 2014

AP Chemistry
HCL + NAOH -> NaCL + H2) Mols HCL = M x L = 3.2 x 0.4 = 1.28 Mols NaOH = M x L = 2 x 0.3 = 0.6 mols NaCl formed = 1.28 M NaCl = mols/L = 1.28/(.4 + .3) = 1.829
January 30, 2014

physics
Sorry but that was wrong
January 5, 2014

physics
A 7 kg block is pushed by an external force against a spring with spring constant 124 N/m until the spring is compressed by 2.1 m from its uncompressed length (x = 0). The block rests on a horizontal plane that has a coefficient of kinetic friction of 0.7 but is NOT attached ...
January 5, 2014

Physics
How far x does it move down the incline before coming to rest? Suppose the incline is frictionless. The angle of inclination is 36 ◦ , the spring constant is 89.6 N/m the mass of the block is 9.05 kg and the acceleration of gravity is 9.8 m/s2 . Answer in units of m ...
January 5, 2014

Physics
A 6 kg block free to move on a horizontal, frictionless surface is attached to a spring. The spring is compressed 0.16 m from equi- librium and released. The speed of the block is 1.44 m/s when it passes the equilibrium po- sition of the spring. The same experiment is now ...
January 5, 2014

math
So 42th person
December 11, 2013

math
You have to list the factors
December 11, 2013

math
I agree with sam
December 11, 2013

math
No she won't have enough
December 11, 2013

Math
if you use \$63.00 divided by 9 to estimate \$62.59 divided by 9 \$7.00 greater than or less than the exact answer? Explain
November 5, 2013

Science
you are right.
October 8, 2013

Physics
A hot-air balloon is accelerating upward under the influence of two forces, its weight and the buoyant force. For simplicity, consider the weight to be only that of the hot air within the balloon, thus ignoring the balloon fabric and the basket. The hot air inside the balloon ...
June 23, 2013

Physics
A hot-air balloon is accelerating upward under the influence of two forces, its weight and the buoyant force. For simplicity, consider the weight to be only that of the hot air within the balloon, thus ignoring the balloon fabric and the basket. The hot air inside the balloon ...
June 23, 2013

math
the distance around a rectangular field is 340 yards. if the length of the field is 1120 yards, what is the width in yards?
May 29, 2013

physics
A 75.0 kN truck is parked in the middle of a 20.0 m long bridge. How much force must each end of the bridge exert to support the truck?
April 2, 2013

Physics
P = F/A But there are two tires. So the weight will be supported by the two tires, thus two areas. So P=F/2A, solving this, A = F/2P A = 600/2*6.7*10^5
February 8, 2013

Physics
This helped so much
October 4, 2012

Health
yes C is right
August 30, 2012

health
D - evidenced by the USDA Dietary Guidelines for Americans 2010: “Mean intake of seafood in the United States is approximately 3 1/2 ounces per week, and increased intake is recommended. Seafood contributes a range of nutrients, notably the omega-3 fatty acids, ...
August 23, 2012

Health
July 28, 2012

english
but i need to find out....what do we learn about juliet from this?
February 13, 2012

Astronomy
Thank you!
November 24, 2011

Math
SIMPLE INTEREST kelsie has an \$800 savings bond which she has had for 2 1/2 years. The bond pays simple interest at the rate of 3.8% per year. If kelsie cashes the bond, what amount will she receive?
October 25, 2011

us history
a map for the thirteenn original colonies
January 10, 2011

Math
if the angle between the two lines 3x-5y-1=0 and Kx-y=3 is 45, then find the value of k
December 5, 2010

MATH
first go to google and tipe in calculator
November 1, 2010

MATH
6X100
November 1, 2010

math
October 26, 2010

math
2x(3y]00000;-;]'[- 0][p ][
October 22, 2010

math
How many multiple of 3 between 1-22 are even? A-7 B-5 C-3 D-1p[kiiiii0-=kopiklp,;ll[o
October 22, 2010

ENGLISH
this is NOT the answers that i expected
September 9, 2010

kindergarten math
5dddf=45552;weee/f.r'/.te'.'q
January 20, 2010

x per y means x/y Therefore, cost per person means cost/person = 2.6x10^9/2.49x10^8
April 29, 2009

Statistics
a)= 1.2 b)=0.5 c) maria
January 9, 2009

math
Actually, if you do simple math, you would get \$25,920. If you want to know how much he will have after cashing it in, just do this. I=PRT I is the simple interest = 25,920 P is the Principal = \$800 R is the rate = 9% = 0.09 T is the time = 30 years = 360 months 800x0.09x360=...
April 10, 2008

english essay
Fix it, to it: It is not because a cashiers mistake, tt is because many of the food and product One word: -On going = Ongoing -Out side = Outside Two words: -Everyday = Every day
September 25, 2007

ear defenders
How do i do this Drawn simple particle diagrams to show how the ear defenders will work. „h Drawn diagrams to show where sound will be reflected and where it will be absorbed.
December 5, 2006

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