Wednesday

July 23, 2014

July 23, 2014

Total # Posts: 1,540

**algebra 1**

I think not sure Rate of change = change of amount in account/change of amount in time 800-1050/2-9=-250/-7 negatives cancel =$35.71 However $35.71x7+800=1049.97 so does the problem ask to round?

**algebra**

you buy a storage rack that holds 40 cds. you have 27 cds. write an inequality that describes how many more cds you can hold. you buy 15 cds. will they all still fit?

**Geography**

That's a good answer and not only used in manufacturing but also used to serve the public.

**math(Ms.Sue)**

38/6=6.3 gallons in each bucket

**Algebra 1 urgent **

(a) The surface area of the prism shown is 314 square meters. Write an equation that u can solve to find the value of w. side a=wm b=8m and c=(w+4)m (on the picture) I'm guessing u use the formula surface area=2ab+2bc+2ac??? Well if so I need all that solved into y=ax*2+bx...

**Social Studies**

The guy is PLANING to buy the oven so he's probably already budgeted it.

**Social Studies**

Hhhmmm I'm not sure but d is a good answer because the oven has to fit well.

**Algebra 1 parabola's**

Thanks so much!!!

**current events health care reform**

From what I know (which is probably not much) when u get a new job they will either have health care plans that may be free or you will get a discounted price VS. buying u'r own health insurance that will come out of u'r pay check. If the job offers no health benefits ...

**Chemistry**

Thank you!

**Chemistry**

What's the difference between relative and percentage abundance? What's the difference between realtive and average atomic mass? Is there a difference?

**Math **

Does the equation y=x^2-x have y-axis, x-axis, or origin symmetry?

**english**

not glittering generality

**Business Math**

Universal Exporting has three warehouse employees: John Abner earns $422 per week, Anne Clark earns $510 per week, and Todd Corbin earns $695 per week. The company’s SUTA tax rate is 5.4%, and the FUTA rate is 6.2% minus the SUTA. As usual, these taxes are paid on the fi...

**geometry**

The figures are similar. The ratio of the lengths of their corresponding sides is 45:25, or 9:5. Find the ratio of their perimeters and the ratio of their areas. The figures are not drawn to scale.

**social studies**

how does a society answer the three economic questions about the production and consumption of goods and services?

**social studies**

Ben's family purchased a dishwasher so that the family members could save time for more productive activities. what kind of production factor is this?

**Math**

3/4 - F = 1/3. What does F equal? ): Please help!

**College alegbra**

The population P of a city has been increasing at an annual rate of 1.4%. It's population was 173 thousand in 1992. A. Find a formula for P(t), where t is the year and P is in thousands. B. Estimate the population in 2010, to the nearest thousand. C. In what year did the p...

**College algebra**

The radioactive element has a half-life of about 28 years and sometimes contaminates the soil. After 47 years, what percentage of a sample of the elements remain?

**College algebra**

Use the properties of logs to write the expression as one log: 8log(base 5)4th square root of x minus 4log(base 5) x

**math**

You cut square corners from a piece of cardboard that has dimensions 32 cm by 40 cm. You then fold the cardboard to create a box with no lid. To the nearest centimeter, what are the dimensions of the box that will have the greatest volume?

**Math**

p+b less than or equal to 20 and 15*p+10*b is greater than or equal to 90

**Math**

Let me know if that helped you please (:

**Math**

Let our two variables be: p # of pharmacy hours b # of babysitting hours Then we should have two statements from the given facts: and We can graph these inequalities by solving for either p or b in both inequality. Once the inequalities are graphed then any point that is shade...

**Bridge Math**

The inequality 10x + 20y > 500 models all of the combinations of scores of 10 and 20 points that will give a total greater than 500 points in a game. What is not true about the values for x and y?

**chemistry**

How would you figure: How much energy, in kJ, is absorbed by 23.8 g of acetone when it evaporates if its molar heat of vaporization is 32.0 kJ/mol? Acetone formula is C3H6O

**physics**

Someone on a glass-bottom boat shines a light through the glass into the water below. A scuba diver beneath that boat sees the light at an angle of 17 degrees with resoect to the normal. If the glass's index of refraction is 1.5 and the water's index of refraction 1.33...

**math**

a post is driven into the ground. the first strike drives the post 30 inches into the ground. the next strike drives the post 27 inches into the ground. assume these distances form a geometric sequence, what is the total distance the post is driven into the ground after 8 stri...

**trig**

Two tracking stations are on the equator 135 miles apart. A weather balloon is located on a bearing of N 37 degrees E from the weastern station and on a bearing of N 19 degrees E from the eastern station. How far is the balloon from the weastern station?

**MATH**

1 D = 10^-18 statC·cm = 10^-10 esu·Å = 1⁄299,792,458×10^−21 C·m ≈ 3.33564×10^−30 C·m ≈ 1.10048498×1023 ≈ 0.393430307 au A dipole of 1 Debye is equal to 3.33 x 10-30 C m . Show that in atomi...

**Conversion Math**

A dipole of 1 Debye is equal to 3.33 x 10^-30 C m . Show that in atomic units 1 D = 0.39345 au.

**chemistry**

How many moles of sodium hydroxide are needed to react with 148.0 g of Iron (III) bromide?

**science**

describe the path of light rays from a leaf to the retina

**science**

explain the priniciples of light thaat enable the convex lens to function as it does

**algebra**

A rectangular picture is 2 inches longer than it is wide. When a frame 3 inches wide is placed around the picture, the area covered by the picture and frame is 168 square inches greater than the area covered by the picture alone. What are the dimensions of the picture?

**Algaebra**

A rectangular swimming pool is 5 feet longer than it is wide. If a concrete walk 2 feet wide is placed around the pool, the area covered by the pool and the walk is 156 square feet greater than the area covered by the pool alone. What are the dimensions of the pool

**Estimation and Computation**

The ratio of boys to girls in a class is 2:3. If a student is chosen at random to be on the student council, what is the probability it will be a girl?

**Consumer Math**

On your last credit card statement, you had a previous balance of $567.18, payments of $120, a periodic rate of 1.56 percent, and new charges totaling $45.17. What is your new balance?

**social studies **

why must people be careful with non rewable resources

**Physics**

A 40 lb football player runs at 12 mph into a 60 lb player(initially at rest). How fast do the two move after the collision?

**Physics**

A 100 kg car traveling at 40 m/s bounces off a stationary 300 kg car-recoiling at 20 m/s after the collision. What is the change in momentum during the collision (in kgm/s)?

**Math **

Which two sqare roots are used to estimate 47 ? (1 point)

**Stat Help Please**

Yearly stock returns on India's Sensex Index are well described by a Normal model with a mean of 18.36% and a standard deviation of 14.65%. give the stock return cutoff for the middle 30% of all years. I used TI-83 Calc. for these. Can someone check them? Thank you! Q1=Inv...

**Math Help Please!!!!!**

The number of pounds gained during pregnancy are normal with mean=30.23 and st. deviation=13.84 Determine the percent of women that gain between 20 and 30 pounds.

**Sociology**

What aspects of the environment and society do sociologists study? (How is studying the environment part of the sociological perspective?)

**physics**

what is the minimum riding speed needed to be able to hear the whistle? Remember, you can assume the following things: The whistle you use to call your hunting dog has a frequency of 21.0 kHz, but your dog is ignoring it. You suspect the whistle may not be working, but you can...

**Geometry**

In the diagram, is an altitude drawn in trapezoid DEFG, DE = 10, EF = 9, FG = 8, and GD = 15. What is mÐD to the nearest degree? 37 53 60 80

**Math Help Please!!!!**

Determine which sampling method was used in each scenario. on a particular day 5 flights are selected at random and all of the passengers on these 5 flights are screened. Airport security uses a random number generator to determine the next passenger to screen.

**Math Helppp**

The College Board, which are administered each year to many thousands of high school students, are scored so as to yield a mean of 550 and a standard deviation of 100. these scores are close to being normally distributed. what percentage of the scores can be expected to satisf...

**Math Help Please!!!!**

The breaking strengths (say, y) for one foot square samples of a particular synthetic fabric are approximately normally distributed with a mean of 2280 pounds per square inch and a standard deviation of 10.6 psi. a) find the probability of selecting a 1 foot square sample of m...

**math**

A: 3.648 reapating 8= is rational B:-3 2/13= is rational C: 3.605551275464...=is irrational D: -3.744= is irrational

**math**

A: 3.648 reapating 8= is rational B:-3 2/13= is rational C: 3.605551275464...=is irrational D: -3.744= is irrational

**math**

which statement is false: A: 3.648 reapating 8= is rational B:-3 2/13= is rational C: 3.605551275464...=is irrational D: -3.744= is irrational

**math**

which statement is false? A: 3.648 reapeating=is rational B:-3 2/13=rational

**math**

solve the system by the elimination method: 3x-2y=2 2x+4y=-5

**math**

solve the system by the elimination method: 3x-2y=2 2x+4y=-5

**math**

Ms Sue the answers are a: 60 b: 75 c:80 D70

**math**

find the perimeter of the actual object using the scale factor shown on hte blueprint. each side is 3 centimeters long. 1cm=5m

**math**

one last question: find the perimeter of the actual object using the scale factor shown on hte blueprint. each side is 3 centimeters long. 1cm=5m

**math**

in a mathematics class half of the students scored 91 on an achievement test. with the exception of a few students who scored 47, the remaining students scored 7. which of the following statements is true about the distribution of scores? A: the mean is greater than the median...

**math**

solve the system by the elimination method: 4x=5y+24 5x=4y+21

**math**

write a trinomial of degree 4 such that the GCF of its terms is 1

**math**

write a trinomial of degree 4 such that the GCF of its terms is 1

**math**

write a trinomial of degree 4 such that GCFof its terms is 1

**math**

in a mathematics class, half of the students scored 91 on an achievement test. with the exception of a few students who scored 47, the remaining students scored 71. which of the following statements is true about the distribution of the scores? a: the mean is greater than the ...

**math**

in a mathematics class, half of the students scored 91 on an achievement test. with the exception of a few students who scored 47, the remaining students scored 71. which of the following statements is true about the distribution of the scores? a: the mean is greater than the ...

**Grammer**

thruout history, traveling traders and merchants took home new product such as tea, spices and fabrics as a matter of fact thats one reason civilizations changed.

**Math HELLPPPPP**

Invent a dataset with five values, with a mean smaller than the median and both the mean and median smaller than the standard deviation. give the data values and the statistics. Mean= Median= Standard Deviation=

**Statistics Helppppp**

Invent a dataset with five values, with a mean smaller than the median and both the mean and median smaller than the standard deviation. give the data values and the statistics. Mean= Median= Standard Deviation=

**english**

can you help me with this quote. "circumstances are beyond the control of man; but his conduct is in his own power". What does this really mean??

**Math**

he can use the finger trick ad count by 5's or he can think as it 9x6 but swicth the numbers around.

**Soc Help Please**

What is the sociological perspective on global stratification? How does this provide insight into global inequality? Thank you!

**math**

one farm is 82 acres larger than another. together the farms contain 276 acres how larg is each farm? solve using two variables and two equations

**math**

one farm is 82 acres larger than another. together the farms contain 276 acres how larg is each farm? solve using two variables and two equations

**math**

one farm is 82 acres larger than another. together the farms contain 276 acres how larg is each farm? solve using two variables and two equations

**reading**

an example of parallelism and page in to kill a mockingbird

**english**

what page

**english**

in to kill a mockingbird what is an xample of an alliteration

**geography**

why do you think the colonists finally decided to rebel against Britain?

**geography**

of course you dont like me never mind

**geography**

put these wents that led to the start of he American Revolution in the correct chronological order: a: declaration of 1763 b: french and Indian war c: Stamp act d: Boston Massacre e: pontac's rebellion f: Boston tea party g: townshend acts h: intolerable acts i: battle of ...

**science**

this is a place that is suppose to help you thats not very nice

**science**

if the compressor in a refrigerator stopped working, how would its failure affect the heat transfer cycle?

**sciene**

if the compressor in a refrigerator stopped working, how would its failure affect the heat transfer cycle?

**science**

if the compressor in a refrigerator stopped working, how would its failure affect the heat transfer cycle?

**Physics**

A 0.055 kg golf ball leaves the tee at 50 m/s. what is its change in momentum (impulse) ?

**Math**

A bicycle with 26inch diameter wheels is travelingat 10 mph. To the nearest whole number how may revolutions does each wheel make per minute?

**geography**

how was colonial america both godly and devilish?

**science**

lengths of railway tracks have small gaps between them. Why are the tracks built this way and what might happen it there were no gaps?

**science**

lengths of railway tracks have small gaps between them. Why are the tracks built this way and what might happen it there were no gaps?

**AP Physics B**

I have one our part question left that I just don't understand! Please help me!! Part 1 An 11.6 kg block of metal is suspended from a scale and immersed in water as in the ﬁgure. The dimensions of the block are 12.9 cm × 9.7 cm × 9.7 cm. The 12.9 cm dime...

**History**

identify two differences between enslaved Aftricans and indentured servants

**math**

solve using substitution: 4x+9y=24 y=1/3x+2

**math**

solve using substitution: 4x+9y=24 y=1/3x+2

**math**

solve using substitution: 4x+9y=24 y=1/3x+2

**math**

solve with substitution: 4x+y=2 3y+2x=-1

**math**

solve by using substitution: x=y+7 y-8=2x

**math**

solve by using subsitution: 4x+y=2 3y+2x=-1

**math**

solve by using subsitution: 4x+y=2 3y+2x=-1

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