Thursday

October 27, 2016
Total # Posts: 1,056

**Geometry **

A trapezoid may have three congruent sides. True or False I think true

*February 18, 2016*

**Geometry **

Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. 4. Does an isosceles trapezoid have two sets of parallel sides? Why or why not? Explain. 5. Does a rhombus have two sets of congruent sides? Why or why not? Explain. Answer: 3. Yes, because the ...

*February 18, 2016*

**Earth science**

A scientist wants to determine the age of a rock. The rock contains an index fossil and an ancient relative of a living organism. Which is more useful for dating the rock, and why? Answer: an ancient relative of a living organism would be more useful for dating the rock ...

*February 17, 2016*

**Physic**

A river 1.00 mile wide flows with a constant speed of 1.00 mi/h. A woman leaves from a point on the river bank. The woman rows a boat 1.00 mi directly upstream and returns to the starting point. Her speed in still water is 2.00 mi/h. The travel time for the woman is A) 2.00 h...

*February 8, 2016*

**math**

Find the equation of a line that is perpendicular to the line y = 1/4x + 5 and contains the point (-6, 0) Susan

*February 5, 2016*

**math**

there are 14 boys in a bus that holds 60 students. if the bus is full, what is the ratio girls to boys?

*January 31, 2016*

**math**

talisha owns 4/5 of a section of land. she plants green beans on 3/4 of her land. what fraction of the entire section is planted with talishas green beans?

*January 28, 2016*

**science**

A student mixed 1.5g of CaO with 2.5M HNO3. How many moles of CaO were reacted

*December 22, 2015*

**math**

If someone spent 1/3 of their money at the first store and then 1/2 of their money at a second store. How much money did they start with if they have $9.00 left?

*December 13, 2015*

**algebra 1**

A rectangular field is enclosed by 360 feet of fencing. What is the length, in feet, of the field if its length is 6 feet more than its width?

*December 10, 2015*

**physic**

an empty rubber balloon has 0.0120 kg it filled of helium. the density of helium is 0.179 kg/m^3 of and the radius of the balloon is 0.500 what is the buoyant force over the balloon

*December 5, 2015*

**English**

continue this story

*November 28, 2015*

**English**

Tommy and his dog were looking for the burid treasure.They saw brown box and then they heard a voice behind them... continue writing and make up the story

*November 28, 2015*

**Algebra**

Jonah has only nickels and dimes in her piggy bank they're 51 points in the total value is $4.05 How many nickels and how many times does she have

*November 23, 2015*

**English**

degenerate sanctuary implausible scrutiny incoherent sinister intercede suffice intricate vulnerable 1) kens cartoon ______ for the school newspaper, but they wouldnt be good enough for the city paper. 2)in the batman movies the jokers name is misleading, for hes a(n) _____ ...

*November 18, 2015*

**Science**

Can a molecule be an element? Molecules of most elements are made up of only one atom of that element. So, if a molecule is what you get when any atoms join together then no, a molecule can not be an element

*November 11, 2015*

**Comm Tech**

all were right except that 3 was positive correlation not negative

*November 11, 2015*

**Science**

On a topographic map, five contour lines are very close together. The contour interval is 100ft. How high is this feature? Answer: 400ft

*November 4, 2015*

**algebra or algebra1**

A line with slope 3 passes through the point (0; 10). What is the y-coordinate of the point on the line with x-coordinate 2?

*November 4, 2015*

**SCIENCE**

what is the difference between a continental plate and an ocean plate?

*November 3, 2015*

**algebra or algebra1**

What is the area of the triangle whose vertices are (−4, 0), (−10, 0) and (−7, −6)

*November 3, 2015*

**math**

There is a proportional relationship between your distance from a thunderstorm and the time from when you see the lightning and hear the thunder. If there are 9 seconds between the lightning and thunder, the storm is about 3 kilometers away. If you double the amount of time ...

*November 2, 2015*

**algebra or algebra1**

An eastbound car is going 4 miles per hour faster than a westbound car. The cars are 208 miles apart 2 hours after passing each other on a highway. What is the speed, in miles per hour, of the eastbound car

*October 27, 2015*

**Please help with MATH**

Why do complementary and supplementary angles not have to be adjacent? As long as the two angles equal 90 degree then they will be complementary. As far as supplementary, as long as the two angle sum equals 180 degrees then they will be supplemental.

*October 7, 2015*

**Geometry**

Why do complementary and supplementary angles not have to be adjacent? As long as the two angles equal 90 degree then they will be complementary. As far as supplementary, as long as the two angle sum equals 180 degrees then they will be supplemental.

*October 7, 2015*

**CHECK ANSWERS for geometry **

1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero ...

*October 6, 2015*

**Geometry**

1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero ...

*October 6, 2015*

**Geometry**

1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point exists in zero ...

*October 6, 2015*

**Need help with projection map**

Which map projection is most useful for navigation, especially near the equator. Explain The map projection that is most useful for navigation would be the Mercator Projection because near the equator the shapes and sizes of features are correct.

*October 2, 2015*

**SS**

I can't think of any

*October 2, 2015*

**SS**

Mountains

*October 2, 2015*

**SS**

What landforms are highest on the continents? Plateaus

*October 2, 2015*

**SS**

What type of instrument can you use to tell the direction an object is moving? A compass

*October 2, 2015*

**Social Studies**

Why do nautical charts have two compass roses on them?

*October 2, 2015*

**Science**

Three major branches of earth science: Meteorology Geology Oceanography

*September 28, 2015*

**Science**

a gummy bear experiment a solution of hot water and acid is used to see which solute would make the gummy bear dissolve faster. What is the dependent variable? Gummy bear Independent variable: hot water, and acid

*September 28, 2015*

**Dependent/independent**

In a gummy bear experiment a solution of hot water and acid is used to see which solute would make the gummy bear dissolve faster. What is the dependent variable? Gummy bear Independent variable: hot water, and acid

*September 28, 2015*

**Science**

What are the advantages and disadvantages of Mathematical model - disadvantage: it often cannot account for all possible factors Advantage to a mathematical model is it can be applied to categories of any size and can predict complex events Physical Model - Disadvantage: they ...

*September 28, 2015*

**calculus**

10. A military jet flies horizontally with a velocity of 450 m/s and 20,000 m above the ground. When the jet is straight above an artillery gun a shell is fired. Assuming the shell hits the jet. a. Calculate the horizontal component of the initial velocity of the shell. b. ...

*September 20, 2015*

**math**

change fraction 3/4 to a percent

*September 19, 2015*

**Algebra**

Use factoring to solve 5^4-8x^2=0 Not sure where to begin I got x^2(5x^2)-8=0

*July 27, 2015*

**Math**

1÷5 (45y+20)+3÷4 (12y=24)=19 Find solution set (9y=14)+(9y=18)=19 18y = 33÷8

*July 17, 2015*

**maths**

A can is 12cm high and diameter 8cm. Using the formula v =TT how much liquid is in the can

*June 16, 2015*

**Integers**

At 5:00 AM the temperature was 18 degrees Celsius. At 3:00 PM the temperature was 1 degree Celsius higher. What was the temperature at 3:00 PM?

*May 22, 2015*

**algebra**

a motorist left a city for a 295 mile. 7 hour trip. for the first part of the trip, the average speed was 40mph. for the remainder of the trip, the average speed was 55mph. How long did the motorist drive 55mph

*May 16, 2015*

**Economics/Marketing**

How are target audiences and communications strategies developed for conservation projects?

*May 13, 2015*

**Math**

Insert parentheses to make this equation correct: 7 - 6 x 7 / 5 + 7 = - 43.4 / is used for division sign

*May 7, 2015*

**Math**

He was able to do 8 out of 10, which would be 8/10, which could be further reduced to 4/5

*May 6, 2015*

**C++ Programming**

I am so bad at programming and after this class I am done with it and changing my program! I don't even know where to start! It says demonstrate array of Struct,2 dimensional arrays and sorting routine. A trucking company charges the customers a fixed amount per pound, ...

*April 27, 2015*

**Chemsitry**

What is the pH of the buffer solution that results when 58.50 g of sodium acetate (NaCH3CO2) (Formula Mass = 82.02 g mol-1) is added to 1 litre of 0.45 mol L-1 acetic acid (CH3CO2H) ? Data: Ka for CH3CO2H = 1.8 x 10-5

*April 20, 2015*

**statistics**

Find the Z-score that separate the middle 63% of the distribution from the area in the tails of the standard normal distribution

*April 19, 2015*

**statistics**

If you flip a coin three times, the possible outcomes are HHH, HHT, HTH, HTT, THH, THT, TTH, TTT. What is the probability of getting at least two tails? A. 1/2 B. 2/3 C. 3/4 D. 4/9 mY ANSWER IS A

*April 18, 2015*

**math**

i ALSO CAME UP WITH A. BUT IM NOT SURE

*April 18, 2015*

**math**

Jody checked the temperature 12 times on Monday, and the last digit of the temperature was odd six times more than it was even. On Tuesday, she checked it 18 times and the last digit was odd eight times more than it was even. Determine which series is closer to the 50/50 ratio...

*April 17, 2015*

**English**

"The night was gone. The morning star was shining in the sky. I too had become a completely different person. The student of the Talmud, the child that I was, had been consumed in the flames. There remained only a shape that looked like me. A dark flame had entered into ...

*April 16, 2015*

**Statistic**

The average number of houses sold by a company is 2 houses per day what is the probability that exactly 3 houses will be sold in one week

*April 8, 2015*

**English**

I am having to come up with a thesis statement About dreams. This is what I came up with but don't know how I should proceed with the essay. Dreams are like the housekeepers of the mind. At the end of the day they sweep out the trash like the sensory input of our busy days...

*March 29, 2015*

**English**

I need a good thesis statement about dreams

*March 27, 2015*

**math**

A baseball team has home games on Friday and Sunday. the two games together earn $3391.00 for the team. Fridays game generates $401.00 less than Sundays game. How much money was taken in each game?

*March 25, 2015*

**math**

Seven people rowed 12 miles downstream with the current in 1.5hrs. Coming back upstream against the current covered the same distance but took 4 hours. Find the people rowing rate in the still water and the rate of the current

*March 20, 2015*

**Algebra**

The radiator in a car is filled with a solution of 75 per cent antifreeze and 25 per cent water. The manufacturer of the antifreeze suggests that for summer driving, optimal cooling of the engine is obtained with only 50 per cent antifreeze. If the capacity of the raditor is 3...

*March 10, 2015*

**physics**

if a monochromatic beam of light with a wavelength of 590 nanometers is traveling through air then enters a region of space where the index of refraction is 1.5, what will the light beam do? increase, decrease, or stay the same?

*March 8, 2015*

**Math**

125

*March 6, 2015*

**Math**

What is the total of 7 pieces of wire, each wire is 3/8 of a foot long?

*February 19, 2015*

**math**

THe area of a parallelogram is 594, and the lengths of its sides are 32 and 46. Determine, to the nearest tenth of a degree, the measure of the acute angle of the parallelogram

*January 29, 2015*

**english**

Do you understand?

*January 16, 2015*

**english**

Okay I can't answer your question but I will try to help you understand, okay? first I will give you an example of what each appeal is (emotion and reason), appeal to emotion involves trying to convince someone based on feelings. To apply this to our argument of lowering ...

*January 16, 2015*

**english**

Ok, I think i can help you what do you not understand about this? I can't just write down the whole answer for you, then you wouldn't learn, it's best if I help you understand this so you won't need help in future assignments.

*January 16, 2015*

**Math**

Powerboattakes30minutes to travel 10miles downstream. The return triptakes50 minutes. What is th speed othe current

*January 15, 2015*

**Algebra**

two even integers such that two times the first plus four times the second is 56. let x represent the first even number

*December 23, 2014*

**Physics**

Knowing the temperature at the surface of the Earth to be 72 F, find the temperature at the surface of Venus.

*December 10, 2014*

**math**

how do you do order of operations? exp. 5x5-5+5

*November 20, 2014*

**maths**

a moon rock sample was 300g when rounded to the nearest 100g. Its exact mass was also a multiple of 10. What mass could the moon rock sample have been?

*November 17, 2014*

**algebra**

706.5/3.14= 225 225(squared)=15 r=15

*November 11, 2014*

**Social studies**

What are religious ceremonies in Islam

*October 31, 2014*

**Social Studies**

Who founded (started) the Christian religion? Answer: Jesus and his Apostles

*October 30, 2014*

**Algebra**

write the equation for each of these segments. (5,7) (7,4) Y = mx + b 7 = -3/2(5) + b 7 = -1.5 + b b = 8.5 Y = -3/2(5) + 8.5 Y = -15/2 + 8.5 -15/2 + 8.5/1 -15/2 + 17/2 2/2 = 1 (-5,4)(-5,7) Y = mx + b ***Don't know how to solve this one since it is undefined 4 = 3/0(-5) + b...

*October 30, 2014*

**physics**

a student leaves home and walks 100 m in a northerly direction. he then walks in a direction of 45 degree north of east for 50 m to reach school. calculate the displacement graphically. choose a scale to draw the diagram

*October 26, 2014*

**physics**

draw the following position vectors, find the displacement and present it on diagram. di=2 m df=5m di=3m df= -4m

*October 26, 2014*

**physics**

draw a particle model and a motion diagram for A bike travels at constant speed of 4.0 m/s for 4 s then slow down to come at rest in 3 s.

*October 26, 2014*

**algebra**

Ulani has an older siste and a younger sister. Her older sister is one year more than twice Ulani's age. Ulani's younger sister is three years younger than she is. The sum of their ages is 26. Find Ulani''s age 2x + 1 - 3 = 26

*October 22, 2014*

**math**

If every 1 cm is 5.5 meters, then we should divide 28 by 5.5. You should get the answer 5.090... But we'll round that down to 5. So 28 meters should be 5 cm in scale.

*October 22, 2014*

**Social Studies**

Which factor best explains the climate distribution of northern Brazil? Being located at tropical latitudes The affects of the flow of cool ocean currents Distance from the continental shelf Elevation above sea level Since it is located near the equator the factor that best ...

*October 22, 2014*

**Social Studies**

When do you expect to find more surface run-off than soil infiltration? When water levels in rivers and streams are low When soil permeability is equal to the rate of precipitation When flooding occurs during a rainstorm When there are extensive summer drought conditions ...

*October 22, 2014*

**Social Studies**

Since it is located near the equator the factor that best explains the climate distribution wouid be Being located at tropical latitudes

*October 22, 2014*

**Social Studies**

Which factor best explains the climate distribution of northern Brazil? Being located at tropical latitudes The affects of the flow of cool ocean currents Distance from the continental shelf Elevation above sea level

*October 22, 2014*

**Social Studies**

One reason for the difference between average temperatures in Rome when in Jan. the average temperature is 11 degrees Celsius and July average degree is 30 degree Celsius is: The amount of carbon dioxide present in the atmosphere The tilt of the Earth of its axis The tidal ...

*October 22, 2014*

**statistics**

The p value is the: a. probability with which a test statistic would occur if the research hypothesis were true. b. probability with which a test statistic would occur if the null hypothesis were true. c. cutoff probability at which a test statistic is considered extreme. d. ...

*October 21, 2014*

**math**

Select the appropriate values of x that are solutions to f (x)=0, where f ( x ) =-7x^2+4x+9

*October 21, 2014*

**algebra**

you want to build a playhouse for your sister in your backyard. You have the blue print which show the playhouse is 13 feet long and 12 feet wide. you want to change the dimension such that the lenght will be decreased and the width will be increased by the same value. a) ...

*October 15, 2014*

**algebra**

for the period 1990-2003, the amount of biscuits and pasta y(in thousands of tons) imported to the united states can be modeled by the function: y=1.36x^2+27.8x+77 how many tons obiscuits and pasta were imported to the states in 1999? in which year was the maximum imported? ...

*October 14, 2014*

**Math**

Find the Synthetic Division: (10x^4-50x^3-800)/(x-6)

*October 13, 2014*

**Algebra**

This is exactly the word problem that was given to me by my teacher whom is a coach if I might add.

*October 12, 2014*

**Algebra**

The velocity of a ball thrown in the air is 72ft Per second. The height of the ball after t seconds Is represented by the equation H = 72ft t - 62t^2. Describe the dependent variable, the domain and range. Honestly I have to say I am lost 72 + 72ft - 256 = ? 72 + 184t =0

*October 12, 2014*

**Algebra**

The function f(x) = 3x describes the amount Of money a club will earn for wrapping x presents. They only have enough paper to wrap 1000 presents. X = 1000 Y = 3x What would the dependent variable be? Domain and range using appropriate notation Range : (3x, ?) Domain: (1000, ?)

*October 12, 2014*

**Algebra**

The function f(x) = 3x describes the amount Of money a club will earn for wrapping x presents. They only have enough paper to wrap 1000 presents. 3 x 1000 = 3000 dollars for wrapping presents ?

*October 12, 2014*

**Algebra**

The surface area of a cube can be found using the formula A = 6s^2 where A represents the surface area of the cube and s represents the length of one edge. My teacher wants me to draw a cube that has a length of at least 5 inches. She also wants to know the independent ...

*October 12, 2014*

**algebra**

Calvin mixes candy that sells for $2.00 per pound with candy that costs $3.60 per pound to make 50 pounds of cancdy selling for $2.16 per pound. How many pounds of each kind of candy did he use in the mix? I cannot figure out the other equation. 2x+3.60y=50 Please explain

*October 8, 2014*

**Math**

When buying gasoline, you notice that 14 gallons of gasoline is approximately the same as 53 liters. Use this information to find a linear model that relates gallons to liters. Then use the model to find the number of liters in 25 gallons. Round your answer to the nearest tenth.

*October 2, 2014*