Tuesday

July 29, 2014

July 29, 2014

Total # Posts: 540

**Math**

Identify the sequence as arithmetic. geometric, or neither.. explain your answer 1.6, 0.8, 0.4, 0.2....

**HELP MATH !!**

the 2nd question is a ?

**HELP MATH !!**

thanks

**HELP MATH !!**

can you show how you got the answer ?

**HELP MATH !!**

Melanie charges $4.50 per hour when she washes cars, plus $5.00 for supplies. Which function rule represents the amount y Melanie charges to wash cars for x hours? (1 point) a) y = 0.50x b) y = 4.50x + 5.00 c) y = 5.00x + 4.50 d) y = 9.50x The sale price of apples at a local g...

**math**

1. Mandy kept track of the trade-in value of a collector’s coin for several months through February of this year. She determined the line of best fit for the data was y = 4x + 12, where y is the trade-in value, in dollars, x months after February of this year. According t...

**math**

6. Kevin wants to calculate the value of the expression below. Which shows an equivalent way Kevin could write this expression? - 17 + 3 a) - (17 + 3) b) - (17 - 3) c) (- 3 + 17) d) ( - 3 - 17)

**MATH HELP PLEASE!!**

1. Mandy kept track of the trade-in value of a collector’s coin for several months through February of this year. She determined the line of best fit for the data was y = 4x + 12, where y is the trade-in value, in dollars, x months after February of this year. According t...

**math**

1. Cynthia used some of the ordered pairs from the set below to make a new set. {(4, –3), (–2, 5), (5, 4), (7, 2), (2, –7)} She wrote the domain of this set as {2, 4, 5}. Which ordered pairs from the original set did Cynthia use to make her new set? a)(–2, ...

**math**

1. Gina wrote this system of linear equations: 2x + y = 7 4x + 5y = 11 Which of the following shows the first four steps that Gina could have used to correctly solve this system for x? a) y = 7 – 2x 4x + 5(7 – 2x) = 11 4x + 25 – 10x = 11 25 – 6x = 11 b) y =...

**SCIENCE HELP !!**

Choose one destination that is represented by a flag. Write a paragraph about the effects of climate change in that destination.

**SCIENCE HELP !!**

Suppose humans significantly increased their harvest of catfish, causing a decline in the catfish population. Predict what effect this would most likely have on the population of muskrats. Explain your reasoning.

**SCIENCE HELP !!**

Decades from now, people will still want to harvest food from the world’s oceans. Describe one action people can take now that will improve ocean fishing in the future.

**SCIENCE HELP !!**

1. Iron can form ions with different charges. Explain how this is possible. 2. Ions are often formed when two different elements interact with each other. Explain why this happens.

**science help !!**

1. Why is California’s high-speed rail such a groundbreaking effort? 2. Why will it take so long to complete the high-speed rail route?

**language help !**

1. c 2. d 3. c

**language help !**

Albert Einstein, a world-famous mathematician was born in Bavaria in 1879. He acquired Swiss nationality in 1901 and he began working at the Swiss patent office the next year. Einstein was however also publishing papers in physics. He became famous for his theories of relativi...

**language help !**

1.a 2.b 3.d

**language help !**

On February 12 1908 a difficult automobile race was in progress. Six cars left New York for Paris in a route that included the United States, Japan, Russia, Poland, Germany and part of France Met by blizzards and other dangers the racers nevertheless kept on. The German entry ...

**language help !**

1. B 2. A 3. C

**language help !**

In all of recent American history, there has been no worse river flooding than what occurred on the Mississippi River between late June and the middle of August in 1993. Record flooding affected communities from Minnesota to Missouri. Iowa and Illinois joined those states as t...

**language help !**

1. a 2. d 4. c

**language help !**

my answers 1. b 2. a 3. d 4. b

**language help !**

DAD: Where’s the water now? MOM: As high as the car’s wheels. DAD: We’d better go. MOM: We can’t. The car’s dead. DAD: What? MOM: The water is up to the engine; it won’t start. TINA: Oh, no! MARK: What can we do? DAD: I don’t know. (He looks ...

**math help !**

1. b 2. a

**math help !**

1. A rectangular prism has a width of 92 ft and a volume of 240 ft3. Find the volume of a similar prism with a width of 23 ft. Round to the nearest tenth, if necessary. a)3.8 ft3 b)60 ft3 c)15 ft3 d)10.4 ft3 2.A pyramid has a height of 5 in. and a surface area of 90 in2. Find ...

**HELP PLEASE !!**

1. b 2. a 3. d 4. b

**HELP PLEASE !!**

DAD: Where’s the water now? MOM: As high as the car’s wheels. DAD: We’d better go. MOM: We can’t. The car’s dead. DAD: What? MOM: The water is up to the engine; it won’t start. TINA: Oh, no! MARK: What can we do? DAD: I don’t know. (He looks ...

**science help**

Every individual, including young people, can make decisions to use resources wisely. Use the terms reduce, reuse, and recycle to explain how the students in the image can help minimize solid waste.

**HELP I DON'T UNDERSTAND THIS QUESTION ! **

Earth's energy sources include both renewable and nonrenewable resources. Name at least three sources of energy that could be used in your house.Then describe the ideal energy source for generating most of your home's electricity and explain why you chose that source.

**science help**

1. a 2. c

**science help**

1.how do fossil fuels contribute to air pollution ? a) by releasing carbon dioxide into the air b) by recycling oxygen c) by reversing the greenhouse effect d) by releasing nitrogen into the air 2. How can human population growth affect ecosystems like rain forests a) human po...

**science**

1.d 2.b

**science**

1.How can using biomass fuel instead of gasoline in car engines help conserve natural resources ? A) it makes cars run faster b) it burns more fossil fuels c) it reduces the use of coal d) it uses a renewable source 2.Chemical runoff from fields oil spills and erosion is the m...

**math help !**

3. Which function rule would help you find the values in the table ? n 2 4 6 m -8 -16 -24 A) m = -2n B) m = n - 2 C) m = n - 4 D) m = -4n 2. Explain how to write a function rule from the table below. Then write a function rule. x 2 4 6 y 1 0 –1

**math**

Explain how to write a function rule from the table below. Then write a function rule. x 2 4 6 y 1 0 –1

**math**

the function rule C = 10n + 26 relates the number of people n who attend a small concert to the cost in dollars C of the concert. Make a table of the input/output pairs to show the cost if 27, 39, and 43 people attend.

**science help**

a slab of limestone that contains 3 fossils

**science help **

1.Why do the islands of Indonesia have many volcanoes and experience frequent earthquakes? A.The islands are located at the boundaries of tectonic plates. B.Many hotspots are found near the islands. C.Magma is less abundant under Earth’s crust near the islands. D.The isla...

**HELP PLEASE !!**

What is global warming? What can people do to reduce global warming ?

**HELP PLEASE !!**

1.How does the glass of a greenhouse model the carbon dioxide and other gases in Earth’s atmosphere? a)The glass absorbs light and releases energy in the form of heat. b) The glass allows light in and traps much of the radiated heat. c) Plants in a greenhouse absorb energ...

**science**

5. Which of the following causes clouds to form ? a) air cooling to its dew point b) water vapor condensing as it rises into cooler air c) air pressure rising above normal d) air pressure falling below normal 6. Which of these is least liekly to influence temperature ? a) lati...

**science**

1. meteorologists notice a low pressure area developing over warm ocean water. which type of storm is likely to form? a)tornado b)hurricane c thunderstorm d)blizzard 2. which of the following is a way that some animal's bodies adapt to living in extremely cold climates ? a...

**math**

Find the slope on the line through (-9,-10) and (-2,-5). a) -5/-7 b) 7/5 c) 5/7 d) -7/-5

**social studies**

The mock wars which were held in Louisiana were directed by ______ and ______

**chemistry **

A 37.0 g mass of a metal was heated to 100°C and then plunged into 74 g of water at 24.0°C. The temperature of the resulting mixture became 28.0°C. (a) How many joules did the water absorb? (b) How many joules did the metal lose? (c) What is the heat capacity of th...

**Science**

If an astronaut could hop 40 cm high on Jupiter, how high could he or she jump on earth? On the moon? Please help me fast I have a bunch of questions over this and I have no idea what this even means

**Physics**

Assume that all of the mass of a bicycle wheel is concentrated at its rim. Such a wheel of mass 1.2 kg and radius 30 cm starts from rest at the top of a hill 100m long and inclined at 20 degrees to the horizontal. What will be the speed of the wheel at the bottom of the hill i...

**College Physics**

Thanks so much!

**College Physics**

PLEASE HELP. DUE TOMORROW A large box 4.5 m on a side has mass 90 kg. A force F is applied as shown, making an angle θ = 35 with respect to the vertical. How large must the force be to tip the box about the pivot point P? The force is being pulled downward with a 35 degr...

**Math-5th grade.HELP!**

a 12 gallon tank is filled with water at the rate off 1/4 gallon in 5 seconds. At this rate, how long will it take to fill 5/6 of the tank? ?????

**College Chemistry**

The density of a 0.0122 M KMnO4 is 1.037 g/mL. Suppose 26.35 g of 0.0122 M KMnO4 are required to titrate 1.072 g of a household H2O2 solution. a)Calculate the mL of MnO4^- added to reach the endpoint. b)Calculate the moles of MnO4^- added to reach the endpoint. c)Calculate the...

**Chemistry**

If you use the lmax during the calibration plot (Beer's plot) and then change to some other wavelength for the measurement of the sample, how will this affect x? x is the moles of H20 in the equation

**Chemistry**

If your heating generates soot on the bottom of the crucible, what is the origin of the soot? How will this soot collection affect x? x is the mols of H20

**Chemistry**

If your heating generates soot on the bottom of the crucible, what is the origin of the soot? How will this soot collection affect x?

**Chemistry**

x is the unknown mols of H20

**Chemistry**

If you use the lmax during the calibration plot (Beer's plot) and then change to some other wavelength for the measurement of the sample, how will this affect x?

**please check this Physics**

Anything?

**Please help**

Can someone please help me with this?

**please check this Physics**

A 5kg block slides along a frictionless surface at 8 m/s toward a second block that is 2kg and attached to the end of a spring,The spring has a constant of 250N/m . When the blocks collide they stick together. What is the speed of the two blocks immediately after the collision...

**History**

Hey! Can someone please help me? :) 1. The main difference between sectionalism and federalism is that sectionalists (1 point) want their state to become its own independent country. believe government should be led by both political parties. want the Missouri Compromise line ...

**Math**

2x-5y=3 and -4x+10=-6 is there a solution. Use any method to solve if possible

**language arts**

so 1. b

**language arts**

plz help

**language arts**

We saw the months of wicked weather, As day to painful night did turn, Waiting, huddled close together For the frozen sun’s return. Our nights were almost endless torture. Our food was gone. Our fuel was low. We came in search of grand adventure But ended trembling in the...

**Physics**

A uniform solid ball rolls smoothly along a floor, then up a ramp inclined at 13.5 degrees. It momentarily stops when it has rolled 1.65 m along the ramp. What was its initial speed?

**pre-algebra**

1.write the fraction 5/6 as a percent. Round to the nearest hundredth of a percent where necessary. 33.33% 66.67% 83.33% 1.20% 2. 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 equ...

**Math**

if 6 bars of soap cost $2.70, how much would 10 bars of soap cost?

**Math**

A U.S. nickel contains 3 ounces of copper for every ounce of nickel. How much nickel is required for 14 pounds of copper?

**American History**

What does that mean?

**American History**

1.What was the central conflict between Native American groups and the United States, and how did their goals differ? 2. (a)What attempts were made to solve the conflict, and what circumstances usually caused the efforts to fail? (b)What other solutions to the conflict could h...

**American History**

How did tariffs and the gold standards affect (a) farmers and (b) businesses and banks.

**American History**

Analyze the effects of the federal government's monetary policies such as tariffs and the gold standard, on the following groups: (a) farmers; (b) businesses and banks.

**American History**

How did homesteaders cause the spread of traditional values such as democracy and a strong work ethic?

**Algebra 2**

For the first time customers, a bank will open an account with $25 included. This bank also charges a monthly $2.95 service fee on the account. Write an equation that shows the balance B after m months, assuming no other activity is made on the account. Find the balance in the...

**Physics**

The density of gold is 19 times that of water. If you take a gold crown weighing 32 N and submerge it in water, how much upward force must you exert on the submerged crown to keep it from accelerating?

**Physics**

A bag of sugar weighs 6.70 lb on Earth. a) What would it weigh in newtons on the Moon, where the free-fall acceleration is one sixth that on Earth?

**Physics**

Which of the following surfaces has the largest amount of static friction against your skin? Which one has the highest coefficient of static friction against your skin? Select one: a. sandpaper b. ice c. wax paper d. A Teflon coated sheet.

**Physics**

A Nordic jumper goes off a ski jump at an angle of 10.0° below the horizontal, traveling 109.0 m horizontally and 44.0 m vertically before landing. (a) Ignoring friction and aerodynamic effects, calculate the speed needed by the skier on leaving the ramp.

**Physics**

A Nordic jumper goes off a ski jump at an angle of 10.0° below the horizontal, traveling 109.0 m horizontally and 44.0 m vertically before landing. (a) Ignoring friction and aerodynamic effects, calculate the speed needed by the skier on leaving the ramp.

**Physics**

A boat moves through the water of a river at 9.5 m/s relative to the water, regardless of the boats direction. If the water in the river is flowing at 0.9 m/s, how long does it take the boat to make a round trip consisting of a 300-m displacement downstream followed by a 300-m...

**Physics**

A Nordic jumper goes off a ski jump at an angle of 10.0° below the horizontal, traveling 109.0 m horizontally and 44.0 m vertically before landing. (a) Ignoring friction and aerodynamic effects, calculate the speed needed by the skier on leaving the ramp.

**Physics**

A girl delivering newspapers covers her route by traveling 9.00 blocks west, 3.00 blocks north, and then 1.00 blocks east. What is the total distance she travels?

**Physics**

At the airport they have people movers (horizontal escalators). Your friend decides to use the people mover and since you've been sitting decide to walk along side. You would like to continue your conversation and thus need to continue moving at the same speed. Assuming yo...

**Physics**

Two identical heavy metal spheres are released from the same height. Sphere 1 is at rest, and sphere 2 has a velocity of 10 m/s in horizontal direction.

**Physics**

A ball is thrown upward from the ground with an initial speed of 49 m/s; at the same instant, another ball is dropped from a building 16 m high. After how long will the balls be at the same height?

**Physics**

A student throws a set of keys vertically upward to her sorority sister, who is in a window 3.80 m above. The keys are caught 1.80 s later by the sister's outstretched hand. (b) What was the velocity of the keys just before they were caught?

**Physics**

A truck on a straight road starts from rest and accelerates at 3.0 m/s2 until it reaches a speed of 18.1 m/s. Then the truck travels for 24.5 s at constant speed until the brakes are applied, stopping the truck in a uniform manner in an additional 5.7 s. (a) How long is the tr...

**Physics**

Two cars travel in the same direction along a straight highway, on at a constant speed of 38.0 mi/h and the other at 89.0 mi/h. (a) Assuming they start at the same point, how much sooner does the faster car arrive at a destination 44.0 mi away? (b) How far must the faster car ...

**math**

Angelo is paid double time for each hour he works over 40 hours in a week. Last week he worked 42 hours and earned $484. What is his normal hourly rate?

**spanish**

1) C 2) B 3) A 4) C 5) D 6) A

**spanish**

1) C 2) B 3) A 4) C 5) D 6) A

**spanish**

1) Le compro un regalo para mi hermana. Me lo compro esta tarde. Se lo compro esta tarde. Te las compro esta tarde. Se la compro esta tarde. 2) Mis padres viajaron a México. Voy a escribir_____ una carta. les la le los 3) Yo te puedo pagar mañana. Bueno, pá...

**Statistics(math)**

(20.47 S-AQ) A sample survey interviews an SRS of 252 college women. Suppose (as is roughly true) that 71% of all college women have been on a diet within the past 12 months. Using Normal approximation, what is the probability (±0.001) that 77% or more of the women in t...

**Chemistry**

This question is based on an experiment to determine the mass of ASA. Information from the experiment : • ASA is a weak acid with a Ka value of 3.2 x 10^-4. • An ASA tablet has an approximate mass of 500 mg. • The experiment used a titration with a standardized ...

**physics**

a diver makes a running horizontal jump off a cliff located 4m above the water level below. how fast must the driver be traveling at launch in order to clear 6m section of rocks at the water's edge?

**physics**

car P travels due East along a straight highway at a constant speed of 30m/s. at 9:00am , P passes Exit 17. At precisely the same moment, car Q passes Exit 16, traveling due West as constant 26m/s. Slightly later, car P and car Q pass the same point. knowing the ecits are exac...

**math**

A baseball diamond has 90 ft. between each base. A softball diamond has 60 ft between each base. How many yards longer is the space between bases on a baseball diamond than a softball diamond?

**math**

jason made 42 bottles of orange juice drink to give to his class. How many pints of juice drink did jason make if each bottle holds 8 fl oz

**science **

how can space change your weight in space

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