Tuesday

September 27, 2016
Total # Posts: 100,082

**algebra**

5 digit palindrone has 5 in ones place and 6 in thousands and mutiple of 9

*September 11, 2016*

**Maths**

Kyle works out that the HCF of the two numbers is: 2squared x 3squared=36 What two numbers might Kyle have been using?

*September 11, 2016*

**statistic**

A final exam in Math 160 has a mean of 73 with standard deviation 7.73. Assume that a random sample of 24 students is selected and the test score of the sample is computed. Assuming the scores are normally distributed, what percentage of sample means are less than 76&#...

*September 11, 2016*

**History**

The Renaissance was characterized by a. creating military alliances with China b. rising interest in Roman and Greek antiquity c. the idea that religion was the basis of existence d. broadening recognition of the insignificance of the human experience e. an attempt to marry ...

*September 11, 2016*

**maths**

15625 mcube find its sides

*September 11, 2016*

**physics**

the velocity of a body moving with uniform acceleration is 10m/s at a particular instant. its velocity after 5 sec is 20m/s. what was the velocity of the body 3 sec before that instant?

*September 11, 2016*

**Geometry**

Find the area of the largest square that can be cut from a circle whose radius 4 millimeter?

*September 11, 2016*

**Geometry**

Two spheres of copper, of radii is 1centimeter and 2centimeter respectively, are melted into a cylinder of radius 1centimeter. Find the altitude of the cylinder.

*September 11, 2016*

**Math Solving problem**

use elimination method in Algebra Let x be the transported Let y be the dropped then make the equation 5x + 2y = 11 8x + 5y = 5 ---------------- -8 (5x + 2y = 11) +5 (8x + 5y = 5) -------------------- -40x - 16y = -88 +40x + 25y = +25 ____________________ + 9y = -63...

*September 11, 2016*

**Science **

How resistivty of conductor vary if area is halved,length is double,area is double

*September 11, 2016*

**Chemistry**

Calculate the mass and moles of iodine that reacted in the formation of 2.7132 grams of ZnI2. im slighty confused about the use of iodine, would it be diatomic in the equation for example would i use the conversion 1 mol ZnI2 = 1 mol I2 or 1 mol ZnI2 = 2 mol I

*September 11, 2016*

**Math trigo**

Tan 660'

*September 10, 2016*

**Physical Chemistry**

5. Assume you have a 45°C 100g block of gold (cp=0.129J/g°C) and a 150°C , 150g block of silver (cp=0.240J/g°C)(1). You place these blocks into an adiabatic container in thermal contact. a. Calculate the final temperature b. Calculate the heat transferred c. ...

*September 10, 2016*

**American Government**

I know the three types make up the thirteen colonies, and I know they did explore the unicameral and bicameral houses. I do know about them, considering I answered the third question, I am just having trouble with the options

*September 10, 2016*

**American Government**

Okay, can you please explain question four, I'm also having trouble understanding that one. The help you're giving me is much appreciated

*September 10, 2016*

**American Government**

Oops I meant question 2 sorry!

*September 10, 2016*

**American Government**

Then... 4.B I am just slightly confused with two as my textbook states: "Everywhere, the people were recognized as the only source of governmental authority. In the new United States, government could only be conducted only with the consent on the governed." I ...

*September 10, 2016*

**Lifespan Development**

In adolescence and early adulthood, male and females begin to spend more time in mixed-gender groups. Studies of who has more influence on the outcome of problem solving in mixed-gender groups indicate that: A. Females have an advantage because have learned to negotiate in ...

*September 10, 2016*

**Lifespan Development**

Tiffany is 3 years old. She knows that she is a girl, and she expects to be a girl tomorrow, but she does not understand that her gender is permanent. She believes that cutting her hair short could change her gender. Tiffany has ___________ but not __________? A. GENDER ...

*September 10, 2016*

**Biology**

Jacobie wanted to test the projectile motion of a pumpkin. His hypothesis was "if the pumpkin had a larger mass, then the higher he could throw it, because the larder pumpkins would have more force." He bought three orange pumpkins and test them all on the same day. ...

*September 10, 2016*

**Physical science**

The instantaneous speed of a particle moving along one straight line is v(t) = ate^−4t, where the speed v is measured in meters per second, the time t is measured in seconds, and the magnitude of the constant a is measured in meters per second squared. What is its ...

*September 10, 2016*

**Algebra**

-2x+6 what is the rate of change between the two variables, what is the y intercept, can you Also answer these same questions for the equation y = -3x + 10

*September 10, 2016*

**Chem**

How many significant figures are in these numbers 1,000 has 1 2.134 has 4 0.00001 has 1 10,005 has 5 1.000 has 4

*September 10, 2016*

**Math**

272 multiply 42 +272multiply 50+272multipy 8 and name the property applied on it

*September 10, 2016*

**general adult education**

some have more than a hundred some have none

*September 10, 2016*

**Algebra**

An emergency team needs to be on the roof of the hospital 3 minutes before the helicopter arrives. It takes the team 4 minutes to reach the roof. At what time should the team start moving to the roof to meet the helicopter? Explain your reasoning

*September 10, 2016*

**College Algebra **

A 6 ft tall man is standing 40 feet from the light post, if his shadow is 20 feet, determine the height of the lamp. Here I use simple ratios: 40ft + 20ft = 60ft 6/20 = h/60 Cross multiply both sides with 60: 6 (60)/20 = h 360/20 = h h = 18 Height of the lamp is 18ft. P.S. Is ...

*September 9, 2016*

**Physics **

Superman lived on Krypton where the acceleration due to gravity is 23.6 m/s2. If a woman falls from a building that is 88.3 m tall, how long does he have to save her before she hits the ground? Givens: Unknown: Substitute: Solve:

*September 9, 2016*

**Social studies**

Can someone check my answers

*September 9, 2016*

**Calculus**

An airplane takes off from an airport at sea level and climbs at the constant rate of 5m/s . The outside air temperature T varies with altitude h according to the law T=15-0.0065h where T is measured in degree Celsius and h in meters above sea level . Find the rate of change ...

*September 9, 2016*

**math**

you have 8 different flavors of ice cram and 10 diff toppings how many different desserts could you make

*September 9, 2016*

**maths**

2,3,5,7,11,13,?"

*September 9, 2016*

**Math**

Find the area of the largest square that can be cut from a circle whose radius 4 mm?

*September 9, 2016*

**Math**

Two spheres of copper, of radii is 1 cm. and 2 cm. respectively, are melted in to a cylinder of radius 1 cm. Find the altitude of the cylinder.

*September 9, 2016*

**anal.gom.**

ellipse has an equation of x^2+3y^2+16x+4=100y? standard form

*September 9, 2016*

**Chemistry**

33,999

*September 9, 2016*

**Physics**

The three displacement vectors have a magnitudes of a= 5.00 meters, b= 5.00 meters, and c= 4.00 meters. Find the resultant magnitude and Direction angle of the three vectors by names of the component method. Express the directional angle as an angle above the positive or ...

*September 8, 2016*

**Economic **

Q^s=2p

*September 8, 2016*

**Math**

Timmy has 12 watermelons and Tina has 14, each watermelon with 12.73 inches and 2.7 inches in hight. Then what is the total length of Tina's watermelon's how over Timmy's *Solve for x= the untold length of watermelon*

*September 8, 2016*

**Physics**

In college softball, the distance from the pitcher's mound to the batter is 43 feet. Part A If the ball leaves the bat at 105 mph , how much time elapses between the hit and the ball reaching the pitcher? Express your answer to two significant figures and include the ...

*September 8, 2016*

**physics**

In college softball, the distance from the pitcher's mound to the batter is 43 feet. Part A If the ball leaves the bat at 105 mph , how much time elapses between the hit and the ball reaching the pitcher? Express your answer to two significant figures and include the ...

*September 8, 2016*

**Math**

Hi John. wants to receive a 96% average on 4 math tests .So far he has taken 3 tests.His grades are 94%, 98%, and 98%. Write an equation in terms of to find

*September 8, 2016*

**Maths**

The probability of a biased coin landing on heads is 0.6. I flip the coin 150 times, how many times would the coin land on heads?

*September 8, 2016*

**Math**

What are the missing numbers between 10 22 34 46 58 on the number line

*September 8, 2016*

**Math**

Two spheres of copper, of radii is 1cm and 2cm respectively, are melted into a cylinder of radius 1cm. Find the altitude of the cylinder.

*September 8, 2016*

**Math**

Find the area of the largest square that can be cut from a circle whose radius 4 mm

*September 8, 2016*

**Math**

John. wants to receive a 96% average on 4 math tests .So far he has taken 3 tests.His grades are 94%, 98%, and 98%. Write an equation in terms of to find

*September 8, 2016*

**math**

from a particular point the angle of elevation of the top of a church spire is 35 degrees. walking 30 metres closer to the church the angle of elevation of the top of the spire increases by 20 degrees. a. how far from the church was the second elevation taken? b. calculate the...

*September 8, 2016*

**chemistry**

The oxidation of NO by O3 is first order in each of the reactants, and its rate constant is 1.5 ´ 107 M-1·s-1. If the concentrations of NO and O3 are each 5.0 ´ 10-7 M, what is the rate of oxidation of NO in M·s-1?

*September 8, 2016*

**physics**

A balloon was released at sea level from the bottom of a building and retrieved at the top of the building. Its volume changed from 500 cm^3 to 510 cm^3. The pressure at sea level is 100 kPa. If the density of air is constant at 1.29 kg/m^3, what is the height of the building?

*September 8, 2016*

**Math**

You need to use -,+,*,and division to meet the restrictions.

*September 8, 2016*

**Calculus**

How do I get the numerical approximations?

*September 8, 2016*

**Calculus**

How do I solve this problem without integrals or derivatives? Find the distance traveled in 14 seconds by an object that is moving with a velocity of v(t) = 11 + 6cos t feet per second. A. 154.8204 B. 156.1704 C. 159.9436

*September 8, 2016*

**Chemistry**

But is it an understate in Sodium Bicarbonate not CO2?

*September 7, 2016*

**Chemistry**

Using a closed system experiment will a leak during gas evolving reaction overstate or understate the amount of sodium bicarbonate in an alka seltzer cold tablet?

*September 7, 2016*

**Chemistry**

Element X has 6 protons, 8 neutrons, and 6 electrons. Predict the atomic mass of element X?

*September 7, 2016*

**Algebra ll**

Sapphire Island is open 7 days a week The park has 8 ticket booths and each booth hsa a ticket seller from 10 am to 5 pm. On average, ticket sellers work 30 hours per week 1. The park plans to hire 20 percent more than the minimum number of ticket sellers in order to account ...

*September 7, 2016*

**Algebra 1**

The number of boys to girls any grade level is 7:2. If there are 48 girls in the grade level how many boys are there ?

*September 7, 2016*

**Check my answers in history PLZ**

what are the right ones? did Ms. Sue get them right?

*September 7, 2016*

**math**

one more than the difference between 18 and seven times a number is -9

*September 7, 2016*

**Math**

If a recipe calls for 1 cup of sugar makes 12 muffins and you use two thirds of sugar how many muffins can you make

*September 7, 2016*

**algebra**

a boat can travel 339 kilometers on 113 liters of gasoline. How much gasoline will it need to go 156 kilometers?

*September 7, 2016*

**english**

Paraphrasing means to _______. use the author’s exact unusual phrasing without quotation marks put the author’s ideas into your own words and sentence structure use the same sentence structure as the author used in the original material conduct research online

*September 7, 2016*

**medical health tech**

Why are healthcare facilities undergoing the transition from ICD-9 codes to ICD-10 codes?

*September 7, 2016*

**7th grade Math (Ms. Sue)**

Sorry for the late reply, Ms. Sue. This assignment doesn't have to be turned in until Friday and I started to put off math and start my Chemistry classes. 2. D 3. B Am I right? Thanks in advance.

*September 7, 2016*

**health care technology**

Which department in an Inpatient hospital is considered an outpatient facility, and why?

*September 7, 2016*

**physics**

lmfao the professor at uncc checks this bro

*September 7, 2016*

**History**

Please check my answers please. Thank you! 1. The U.S. economy is a free enterprise system. True* False 2. Work you do for pay is called a _____. service industry diverse workforce job* volunteer job 3. When there are many people seeking the same job, this is known as a _____ ...

*September 7, 2016*

**World Geography**

6. China's greatest contribution to geography was •The Compass * • the globe • it's expertise in cartography •longitude and latitude.

*September 7, 2016*

**Social studies answer check please**

what do you think i think now b a b

*September 7, 2016*

**Social studies answer check please**

could you help

*September 7, 2016*

**Social studies answer check please**

Why did Thomas Paine write the Pamphlet, Common Sense? 1: to support conquering the Native Americans ******* 2: to argue that more land should go to france and spain 3: to show that loyalty to the monarchy was wrong 4: to pledge his loyalty What was most dangerous about ...

*September 7, 2016*

**Math**

the tortoise can run with a speed of 0.1m/s and the hare can run with a speed of 2m/s. They start their race at the same time, but the hare, feeling confident, stops along the way for a two minute nap, and the tortoise wins by the length of his shell,0.2m. How much time did ...

*September 7, 2016*

**chemistry**

student places a 23.80 g solid metal object in a graduate cylinder containing 26.5 mL of water. The water level increases to 32.1 ml after the object is submerged. Calculate the density of the object.

*September 7, 2016*

**social studies**

So is it D or C?

*September 7, 2016*

**Maths**

Proper number 1/2=-/20

*September 7, 2016*

**Maths**

Equivalent fraction with denominator 18

*September 7, 2016*

**math**

from a particular point the angle of elevation of the top of a church spire is 35 degrees. walking 30 metres closer to the church the angle of elevation of the top of the spire increases by 20 degrees. a. how far from the church was the second elevation taken? b. calculate the...

*September 7, 2016*

**ma**

In a class of 100 students, 40 failed in Math, 30 failed in Physics, 60 failed in Chemistry. 35 passed in both Math and Physics. 20 passed in Physics and Chemistry. 25 passed in Math and Chemistry. Each student passed in at least one subject. How many students passed in all ...

*September 7, 2016*

**math**

from a particular point the angle of elevation of the top of a church spire is 35 degrees. walking 30 metres closer to the church the angle of elevation of the top of the spire increases by 20 degrees. a. how far from the church was the second elevation taken? b. calculate the...

*September 7, 2016*

**math**

from a particular point the angle of elevation of the top of a church spire is 35 degrees. walking 30 metres closer to the church the angle of elevation of the top of the spire increases by 20 degrees. a. how far from the church was the second elevation taken? b. calculate the...

*September 7, 2016*

**math**

from a particular point the angle of elevation of the top of a church spire is 35 degrees. walking 30 metres closer to the church the angle of elevation of the top of the spire increases by 20 degrees. a. how far from the church was the second elevation taken? b. calculate the...

*September 7, 2016*

**math**

from a particular point the angle of elevation of the top of a church spire is 35 degrees. walking 30 metres closer to the church the angle of elevation of the top of the spire increases by 20 degrees. a. how far from the church was the second elevation taken? b. calculate the...

*September 7, 2016*

**math**

from a particular point the angle of elevation of the top of a church spire is 35 degrees. walking 30 metres closer to the church the angle of elevation of the top of the spire increases by 20 degrees. a. how far from the church was the second elevation taken? b. calculate the...

*September 7, 2016*

**Math**

Look at problem 4. Suppose Leila moves her books onto a bookshelf with 6 shelves. She puts an equal number of books on each shelf. Describe what the array for this problem looks like and write a multiplication sentence.

*September 6, 2016*

**Math**

Which is the correct ascending order of 1/3, 0.3,25%,2/5

*September 6, 2016*

**math**

you are able to wrap a band tightly around a large sphere. The band would have a circumference about 40000 km. You insert into the band another strip 2m long so that the band will no longer fit tightly around the sphere. This new band would have a radius a little smaller than ...

*September 6, 2016*

**math**

A 5cm piece of wire is cut into two parts such that a square formed by bending on part will have four times the area of a square formed by bending the other part, what is the length of the longer part.

*September 6, 2016*

**Algebra**

Lisa buys last year's best-selling novel, in hardcover, for $22.50. This is with a 25% discount from the original price. What was the original price of the novel?

*September 6, 2016*

**Physics**

Suppose you can throw a ball a maximum horizontal distance L when standing on level ground. How far can you throw it from the top of a building of height h = L if you throw it at 27.9 degrees? (Ignore your height and any effects due to air resistance.)

*September 6, 2016*

**Math**

Is there a causal relationship between the time of sunrise and the daily high temperature? Casual Relationship: if change in one quantity causes change in a second quantity, then the quantities have a causal relationship.

*September 6, 2016*

**Quick math help**

Is x^2=4 and x+2=4 equivalent equations?

*September 6, 2016*

**math**

a granola bar weighs 30g. 100 granola bars are in a shipping carton. how many kilograms do a dozen shipping cartons weigh?

*September 6, 2016*

**math**

gasoline and water are immiscible. Regular-grade gasoline has a lower density than water. A 100mL graduated cylinder with an inside diameter of 3.2 cm contains 34 g of gasoline and 34 g of water. What is the combined height of the two liquid layers in the cylinder? The volume ...

*September 6, 2016*

**Math**

You begin a hike in death valley, California,at -86 meters.You hike to a point of elevation at 45 meters. What is your change in elevation

*September 6, 2016*

**Physics**

Vector V1 is 6.6 units long and points along the negative x axis. V2 is 8.5 units long and points at +55 degrees to the positive x axis. A) What are the x and y components of each vector? B) Determine the sum of vector 1 and vector 2. (magnitude and angle) I have solved the ...

*September 6, 2016*

**algebra**

(9)(9) = write in words 10000000000000000000000000000000 =

*September 6, 2016*