Wednesday

April 16, 2014

April 16, 2014

Total # Posts: 363

**Math**

Tom and Lana both need $15,000 in 3 years. Tom finds an investment in which he can earn 8% compounded annually. Lana finds an investment in which she earns 7 7/8% interest compounded monthly. Who must invest more money now in order to get $15,000 in 3 years? How much more? ___...

**POL201**

Originalists often hold that it is incorrect to use the Equal Protection Clause of the Fourteenth Amendment to strike down laws that discriminate because

**math**

kristyn is 4 years younger than mario. 3 years from now, she will be two thirds as old as mario. find their present age.

**Geometry**

Find the area of the triangles in square centimeters: a. 3.5, 4.8, 6.1 b. 10.2, 4.4, 7.1

**Geometry**

The average human heart pumps about 60 milliliters of blood for each beat. a. About how many liters of blood does your heart pump each day? b. Do you think a reasonable degree of precision for this question would be to report the answer to the nearest 100 liters, 10 liters, 1 ...

**algebra**

how do you solve for w in a bmi equation, if only height (h=65 inches)is known and w (weight) is what is to be solved for? Bmi=703w/h^2

**business law**

Eagle Sales Company owns a warehouse, subject to a mortgage obtained from First National Bank. Separately, Eagle and First National obtain insurance policies from Good Hands Insurance Inc., to cover the warehouse. Later, Eagle sells the property to Interstate Distribution Corp...

**college math**

Please simplify 100(-5)/25. Thanks a lot.

**medical**

what is medical code for come due to barbiturate intoxication

**Math**

Quinn and Julius inherited $50,000 each from their great-grandmother’s estate. Quinn invested her money in a 5-year CD paying 1.6% interest compounded semiannually. Julius deposited his money in a money market account paying 1.05% compounded monthly. How much total money...

**Math**

Fantasia Florist Shop purchases an order of imported roses with a list price of $2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount? Using your answer to the question above, what is the net dollar amount of that rose order? What is the net ...

**Math 6th :)**

Do you know of a number line calculator. I just need to have my calculation I did on a number line. Drawn up nice and neat.

**Math**

The amount allowed in weight per bus is 221 pounds. My friend weighs 60 pounds. For us to ride in a car together how much can you weigh? I wrote this solution. If it is right? if not could you show me the steps? x + 60 < = 161; at most 221 pounds. Is this right?

**chemistry**

While doing a titration lab to determine concentration of hydrogen peroxide what is the purpose of using an acid to dilute th H2O2?

**Chem**

you can use the equation: c=heat transferred/mass X change in temperature c=2.01J/gC mass= 104g chaneg in temp = 40.4C 2.01= x/ 104g x 40.4C x=8445.21J then divide that number by 1000 to get kJ the answer is 8.44kJ you can check my calculations but that should be the correct e...

**Teacher Aide**

A common characteristics of regional educational agencies is that they a don't hire aides b provide many services that individual school districts couldn't afford c serve all of the school districts in a state d are located in Eastern states

**latin**

translate to good enMonete, custodes, militem infelicem. Apud viros avaros hodie est.

**phi 103**

Logic can help analyze ethical problems.

**chemistry**

how many grams of nitrogen will react with 23 grams of oxygen

**Math**

If seven of the apples in a basket are red and there are 21 apples in the basket, what percent of the apples in the basket are red?

**Language Arts**

Okay, thank you both for the help. :)

**Language Arts**

it*

**Language Arts**

Is it C? That was my first answer to 4 but my sister said in was incorrect.

**Language Arts **

I just need someone to double check my work. :) Here are my answers: 1. C 2. B 3. A 4. B 5. D 6. B 7. A 8. A Here are the questions: Choose the option that correctly identifies the ( underlined words ) in each sentence. 1. (Stretching for 210 miles), the Thames is in England. ...

**Quantitative Analysis**

The dibasic compound B (pKb1 = 4.00, pKb2 = 8.00) was titrated with 1.00 M HCl. The initial solution of B was 0.100 M and had a volume of 100.0 mL. Find the pH at the following volumes of acid added and make a graph of pH versus Va; Va=0, 1, 5, 9, 10, 11, 15, 19, 20, and 22mL.

**Chemistry**

A 100.0 mL aliquot of 0.100 M weak base B (pKb=5.00) was titrated with 1.00 M HClO4. Find the pH at the following volumes of acid added Va= 0, 1, 5, 9, 9.9, 10, 10.1, and 12mL

**Chemistry**

A weak acid HA (pKa = 5.00) was titrated with 1.00 M KOH. The acid solution had a volume of 100.0 mL and a molarity of 0.100 M. Find the pH at the following volumes of base added and make a graph of pH versus Vb: Vb = 0, 1, 5, 9, 9.9, 10, 10.1, and 12 mL.

**chemistry**

I got 2.09 L of Hydrogen gas, but I am not sure if that is correct. Can anyone confirm?

**chemistry**

how many liters of hydrogen gas can be formed at 722 mmHg at 15 degress C when 5.5 grams of zinc metal with 150 mL of 1.25 molarity HCl solution?

**Math**

Why could the mean of the data set below be misleading? ages of teachers: 29, 38, 39, 26, 29, 29, 39, 77, 38, 29

**Math**

1-$50.00....1-$5.00....4-$2.00

**math**

in 1986, 43% of U.S. adults approved of men and women living together without being married. for the period from 1986 through 2007, the percentage approving of cohabitation increased on average by approzimately 0.6 each year. if this trend continues, by which year will 61% of ...

**environmental science**

Although most salamanders have four legs, the aquatic salamander shown below resembles an eel. It lacks hind limbs and has very tiny forelimbs. Propose a hypothesis to explain how limbless salamanders evolved according to Darwin's theory of natural selection.

**business management**

Complete the Consulting Project Plan. Revise and apply feedback as appropriate for Part One and Part Two. Include these revised sections in your final submission. Describe the applicable functional areas of business. Refer to your University of Phoenix Material: Functional Are...

**algebra**

translate the following phrase into an algebraic expression. "the quotient of a number less seven and twenty."

**math**

All other conditions being equal, does a z or t value with larger magnitude have a larger or smaller corresponding P- value?

**Mathhhh Help!**

What is the probability that 3 will be spun on the spinner below? The sections in the circle are 8 sections with numbers, 1,3,2,4,2,4,2,3 My answer is 1/4 is this correct? The choices were 2, 1/4, 1/8, 3/8. I almost think to pick 2 but it doesn't seem right. So I chose 1/4...

**Math**

Virginia will spin each spinner once. What is the total number of different outcomes of a color and a number that can occur? the first color wheel is three sections of red, blue and green the other circle has sections of 1-8. Any help would be great and if you can explain in d...

**algebra-trig help asap**

Write an equation I'm not sure how to do this though. The sine of x with an amplitude of 4, period of 3(pie) and phase shift to the right of pie/4

**algebra-trig help asap**

An isosceles triangle has a base 36 cm long and a base of 65 degrees. Find its perimeter. I'm not sure if this is right but my answer is 1250.4 in^2

**College algebra**

An architect wishes to design a large room 122 feet long that will be a whispering gallery. The ceiling of the room has a cross section that is an ellipse whose foci are to be located 14 feet to the right and the left of center. Find the height h of the elliptical ceiling ( to...

**College algebra**

A circular vent pipe with a diameter of 5.5 inches is placed on a roof that has a slope of 1/4. Find an equation of the ellipse that should be cut from the roof so that the pipe will fit. Round parameters to the nearest hundredth.

**College algebra**

Find the standard form of the equation of the hyperbola with the given characteristics. Foci:(+4,0) or (-4,0) Asymptotes: y=4x or y=-4x.

**College algebra**

A fountain in a shopping mall has two parabolic arcs of water intersecting. The equation of one parabola is y = -0.25x^2+2x and the equation of the second parabola is y=-0.205x^2+4x-11.75. How high above the base of the fountain do the parabolas intersect? All dimensions are i...

**algebra-trig help asap**

x=sec^-1 2 I really need help with this problem. Thanks

**algebra-trig help asap**

Evaluate the expression. Assume that all angles are in Quadrant I. 14. tan(arccos 3/5)

**algebra-trig help asap**

Evaluate the expression. Assume that all angles are in quadrant 1. 1. cos(arccos4/5)

**college algebra**

a cub measures n inches on each edge. If a slice 1 inch thick is cut from one face of the cube and then a slice 3 inches thick is cut from another face of the cube, the resulting solid has a volume of 1560 cubic inches. Find the dimensions of the original cube.

**college algebra**

A propane tank has the shape of a circular cylinder with a hemisphere at each end. The cylinder is 6 feet long and volume of the tank is 5pie cubic feet. Find, to the nearest thousandth of a foot the length of the radius x.

**algebra-trig help ASAP**

Can someone please help me understand how to graph y=3cos(x/4)-5

**algebra-trig**

Can someone please explain to me how to graph sine and cosine step by step because I am so confused and I really really need help.

**algebra-trig**

Can someone please explain to me how to graph sine and cosine step by step because I am so confused and I really really need help.

**electricity and electronics**

9.electrons are emitted from a conductor when the conductor is

**chemistry**

An electron traveling at 4.3×105 m/s has an uncertainty in its velocity of 1.92×105 m/s. What is the uncertainty in its position?

**algebra-trig help asap**

An isosceles triangle has a base 22 cm long and a base angle of 72 degrees. Find its perimeter.

**college algebra**

a rectangular box has a volume of V(x)=x^3+13x^2+50x+56 cubic inches. The height of the box is x+7 inches. The width of the box is x+4 inches. Find the length of the box in terms of x.

**Algebra-Trig help asap**

A rhombus has sides of 5 cm each and one diagonal is 6 cm long. Find the area of the rhombus.

**algebra**

5+4x-7=4x-2-x label contradictions and identities show all work?

**Trig-Algebra help asap**

A regular octagon is inscribed in a circle with a radius of 5 cm. Find the area of the octagon.

**Trig-Algebra help asap**

A regular pentagon is inscribed in a circle whose radius measures 7 cm. Find the area of the pentagon.

**Trig-Algebra help asap**

A rhombus has sides of 5 cm and one diagonal is 6 cm long. Find the area of the rhombus.

**Trig-Algebra help asap**

can you please help me with another problem

**Trig-Algebra help asap**

The adjacent sides of a parallelogram measure 8 cm and 12 cm and one angle measures 60 degrees. Find the area of the parellelogram.

**Chemisty**

Calculate the mass of water in grams that could be produced from the reaction of 10.00mL 0.4122M hydrochloric acid and 35.00mL 0.1738M sodium hydroxide solution. Identify the limiting reactant.

**Chemistry**

I really need help with this question. If 2 trials using 10.0 mL of a solution with an unknown concentration were titrated using close to 20mL of a standard solution each trial, what approximate volume of the standard solution would be needed to titrate 20mL of the solution wi...

**college algebra**

Ha Ha Thanks I didn't see the next post. Thanks so much you were so much help.

**college algebra**

so just to check is the answer y=-1/5x? Thanks for all your help by the way.

**college algebra**

I got -y=-5x+2 but I am confused on the actual math part. To get rid of the - on the y do I do y=1/5x+1/2?

**college algebra**

Write in y=mx+b form the line perpendicular to 5x-y=2 passing through (10,-2)

**college algebra**

Given f(x)= x^2-3+2 and g(x)=2x-4 find (fg)(-3)

**college algebra**

Given f(x) = sqrt of x+4 and g(x) = 1/x find (gof)(x).

**college algebra**

Given f(x)=sqrt x+4 and g(x)= 1/x find (fog)(x)

**college algebra**

Find the maximum or minimum for f(x)=3x^2+x+1

**college algebra**

given f(x)=4x-5, g(x)= x+5 over 4 Find (fog)(x). are these inverse functions?

**college algebra**

Find the domain of the function. q(s) = sqrt of 81-s^2

**college algebra**

t(x)=2x^2-1, Find t(2/3)

**algebra**

Which set of ordered pairs represents a function from P to Q? P={5, 10, 15, 20} Q={-2,0,2}

**Algebra/Trig Check Answers please **

Please check these answers thanks. 1. The shadow of a vertical pole is 24.8 feet long when the angle of elevation of the sun is 42degrees 0.0'. Find the height of the pole. Answer: 22.3=height 2. From a point on a lighthouse 108 feet above water, the angle of depression of...

**Algebra/Trig Check Answers please **

Can you please check these answers thanks 1. A ladder 14 feet long is leaning against a house. The foot of the ladder is 4.8 feet from the house. Find the angle of elevation of the ladder and the height it reaches on the house. Answer: 13.2=height 18.9 =angle of elevation 2. F...

**chemistry help asap**

Please check these thanks. 1. In a titration, 33.21 mL 0.3020M rubidium hydroxide solution is required to exactly neutralize 20.00 mL hydrofluroic acid solution. What is the molarity of the hydrofluroic acid solution? Answer: 0.502HF 2. A 35.00 mL-sample of NaOH solution is ti...

**TRIG HELP ASAP**

I really need help on this problem. A sector has area of 15 in^2 and central angle of 0.2 radians. Find the radius of the circle and arc length of the sector

**math**

3 ft 3in x 7=

**college algebra**

on a ship, the distance d that you can see to the horizon is given by d=1.5 square root h, where h is the height of your eye measured in feet above sea level and d is measured in miles. How high is the eye level of a navigator who can see 16 miles to the horizon? Round your an...

**college algebra**

A model rocket is launches upward with an initial velocity of 160 feet per second. The height, in feet, of the rocket t seconds after the launch is given by h=-16t^2+160t. How many seconds after the launch will the rocket be 290 feet above the ground? Round to the nearest tent...

**chemistry**

The solution that I got is 0.02 mL HNO3

**chemistry**

How many milliliters of 16.0 M HNO3 stock solution wouuld be required to prepare 100.0mL of 3.00 M HNO3? Use the formula M1V1=M2V2

**TRIG HELP ASAP**

I need help trying to find the major and minor axis on this problem: x^2+3y^2-6x+24y+6=0

**math116**

y= -1/2x-4 solve for x if y= -1 Answer would be x= -6. So the full answer would be (x,y)=(-6,-1)?

**triginomitry**

A cottage under construction is to be 12.6 meters wide. The two sides of the roof are to be supported by rafters that meet at a 50 degree angle.How long should the rafters be?

**science**

name 2 natural ways that an ecosystem is impacted and changed. what is the answer???????

**Chemistry**

You have 11.20 grams of compound. It is known that the compound has a half-life of 3.8 days. HOw long will it take for the compound to decay to 0.350 grams?

**4th grade math**

725 is almost 1000. All u need is 275

**3rd Grade Math**

because your dum

**math **

A marathon runner ran 26.2 miles in 2 h 30 min. Find these rates: a. miles per hour b. miles per minute c. minutes per mile

**algebra**

50,000 is the amount of a loan needed to purchase a restaurant location. After researching to find the best interest rate, you find that banks for small business offer the best interest rate at 9% compounded monthly for 7 years. After making a monthly payment of $804.45 monthl...

**Alegra Beginning**

yes thank you

**Alegra Beginning**

No I can not. I am completely lost with Algebra.

**Alegra Beginning**

Rachel earns $6,000 less than twice as much as Tom. If their two incomes total $48,000, how much does each earn?

**psychology**

Over an extended period of time, the same reactions that fight stress will: A) make the body more vulnerable to other stressors. B)gradually discontinue. C)increase one's energy level. D)become forms of positive stress. I read something about choice D but I´m not sur...

**Statistics**

82