# Posts by dEE

Total # Posts: 958

Math
If h is hours and n is the number of radios remaining, complete the equation: n= ____ x h = ____

Geography
Support

Physics
During volcanic eruptions, chunks of solid rock can be blasted out of the volcano; these projectiles are called volcanic bombs. (a) At what initial speed would a bomb have to be ejected, at angle 35degrees to the horizontal, from the vent at A in order to fall at the foot of ...

Math
For the first 30 days of a flu outbreak, the number of students on your campus who become ill is increasing. Which is worse: The number of students with the flu is increasing arithmetically or is increasing geometrically?

Math
In 1985, 10% of Americans had no close friends. On average, this has increased by approximately 0.77% per year a. Write a formula for the nth term of the arithmetic sequence that models the percentage of Americans with no close friends n years after 1984. b. If trends shown by...

Math
Write a formula for the general term (the nth term) of the arithmetic sequence shown below. Do not use a recursion formula. Then use the formula for a'n to find a20, the 20th term of the sequence. a'1 = -13, d = -5

Math
A section in a stadium has 20 seats in the first row, 23 seats in the second row, increasing by 3 seats each row for a total of 38 rows. How many seats are in this section of the stadium? Please explain using words, numbers, and formulas.

Algebra
A regular Pentagon measures 5 1/8cm on one side, what is the perimeter of the Pentagon

Pre-calculus
You start from an acorn and walk 300 yards do north. Then, you turn N 63° E and walk 260 yards. Then, you turn S 55° E and walk 240 yards. Then you walk back to the little acorn.

Math
A bank has two plans for checking accounts. With plan A the charge is \$7.50 a month with no fee for each check. With plan B the charge is \$3 a month plus an additional 20 cents for each check written.What is the least number of checks a customer must write each month in order ...

Algebra
Kelly is x years old. Mike is 2 years older than twice Kelly's age. The sum of Kelly and Mike's ages is 26. How old is Mike?

english
According to Dickinson, what is the character of Nature? Nature divides people from each other Nature is intentionally heartless Nature offers inspiration and meaning A or probably B.

English
What best describes Emily Dickinson's attitude towards death? A.sentimental B.angry C.accepting <-- With which statement would Emerson most likely agree? A.Objects of nature die, but civilization lasts forever B.Society offers the best way to commune with the divine ...

History
Thank you. I'll be going with the first answer.

History
Thank you... How did governments address the issue of fading enthusiasm for the war within their populations? They allowed soldiers more time to visit their families ? The desire for independence by __________ complicated the Ottoman Empire's entry into the war on the ...

History
12. What effect did technology have on World War I? It enabled nations to defeat their enemies with few casualties. It greatly increased the number of casualties. <- It decreased the amount of money needed to wage war. Question 13 The desire for independence by __________ ...

Science
electron microscope. ??

History
Thank you :)

History
Question 1 In the late nineteenth and early twentieth centuries, European nations formed alliances in order to __________. keep peace on the continent <-- build large empires increase their wealth Question 2 Which of the following answer choices correctly identifies the ...

Math/ Proportions solve using unit rates
Contestants in a dance-a-thon rest for the same amount of time every hour. A couple rests for 25 minutes in 5 hours. How long did they rest in 8 hours? 25/5=5 8/5= 1 3/8 hours

Algebra 2
Thanks so much it’s realy helped me

math
To this problem

Managerial Economics
I am completely lost in working this problem. 1. The total operating avenues of a public transportation authority are\$100 million while its operating costs are \$120 million. The price of a ride is \$1, and the price of elasticity of demand has been estimated to be -0.4. By law...

English
or is it the chaos and danger of war?

English
In terms of style and technique, "Old Ironsides" is __________. distinctive and unique similar to many European poems <--- B experimental and modern Why did Oliver Wendell Holmes write about the USS Constitution when rumors held that the ship was going to be ...

Algebra
a^2 x a^5/ a 3 = a^4? (h^2)^5 = 2 x 5 = h10? a^7/a^3 = 7-3 = a4? b^2 c^5 / bc^3 = bc2? or b2c?

math
thank you :)

math
1. Put these rational numbers in order from smallest to largest. 3/4= 0.75, 2/7=0.287, 2/10=0.2, 5/8= 0.66, 8/4=2 2/10, 2/7, 5/8, 3/4, 8/4 ? 2. Order the numbers from least to greatest. 1.5, 3.25, 1.66, 3.33, 2.4 A)1.5, 1.66, 2.4, 3.25, 3.33 <--- B)1.5, 1.66, 2.4, 3.33, 3....

Math
Sorry i need to get an A. 1. Put these rational numbers in order from smallest to largest. 3/4= 0.75, 2/7=0.287, 2/10=0.2, 5/8= 0.66, 8/4=2 2/10, 2/7, 5/8, 3/4, 8/4 ? 2. Order the numbers from least to greatest. 1.5, 3.25, 1.66, 3.33, 2.4 A)1.5, 1.66, 2.4, 3.25, 3.33 <--- B...

Math
6. B. {-4.3, -4, -12, 1.2, 9} -4.3 is smaller than -4.?

Math
1. Where is 4.89 on the number line Between 1 and 2 Between 2 and 3 Between 3 and 4 Between 4 and 5 <--- 2. 7.07 __ 8.83 a. < <--- b. > c. = d >= 3. Where is 8.366 on the number line? Between 6 and 7 Between 7 and 8 Between 8 and 9 <--- Between 8 and 10 4. ...

math
sorry 0.2 .. its 25

math
She is telling you to divide 5 by 2.

Algebra
:) thanks.

Algebra
Oh so it's between 0.00 and 1.00?

Algebra
Where would 0.764706 be on the number line? Between 1 and 2 < Between 0 and 1 Between -1 and 0 Between -2 and -1

criminal justice
Thank you :)

criminal justice
The harshest diposition that a juvenile judge can impose is? - Assignement to a diversion program - Incarceration <--- ? -Commitment to a residential facility -Probation The authority of both of the adult court system to hear juvenile cases is referred to as? -...

Criminal Justice
thank you

Criminal Justice
a suspect can be compelled to testify against himself at trial True or false? < True ? Prisons contain only felony criminals? T < or F Prisoners give up all consitutional rights when they are prosecuted or sentenced? T or F < The possibility of parole is a ...

Art History
Ms. Sue?

Art History
anyone??

Art History
A. Pyramid B.Propaganda C.Babylonians D.Cuneiform E.Gudea of Lagash F.Ziggurat G.Amorites H. Clay I.The Sumerians J.Mesopotamia 1. Ancient region of Southwest Asia between the Tigris and Euphrates rivers. 2. They invented the wheel 3. Sumerian writing system 4. A semitic group...

Math
you need to set up a proportion you say 7 = x . == === 9 315 and solve by cross multiplying (7)x(315)=(9)x(x) solve for x by dividing both sides by 9 so x= (7/9)x 315 use calcualtor

Chemistry 102
What is the freezing point in ∘C of a solution prepared by dissolving 6.60 g of MgCl2 in 110 g of water? The value of Kf for water is 1.86 (∘C⋅kg)/mol, and the van't Hoff factor for MgCl2 is i = 2.7.

stats
(white,black)

Math
a2+b2(-1+2)b

Math
a2+1+b2-2b

Chemistry
How many grams of magnesium oxide could be formed from the reaction of .248g of magnesium metal?

Integrated math 1
Consider the sample space S = {1, 2, 3, . . ., 10}. Let A = all odd numbers in S. Let B = all multiples of 3 in S. Compute P(B | A). Enter your answer as a fraction using the "/" and do not include spaces in your answer.

medical
Choose the combining form which best completes the following group: PONT/O, CRANI/O, FORAMIN/O, _______. A. COCHLE/O B. ENCEPHAL/O C. SALPING/O D. BLEPHAR/O plz help im lost

Design a PowerPoint presentation (6-8 slides) in which you define public health. Provide an overview of Healthy People 2020 and present your perspectives regarding at least one of the leading health concerns posed by Healthy People 2020.

geometry
A quadrilateral has vertices A(3, 5), B(2, 0), C(7, 0), and D(8, 5). Which statement about the quadrilateral is true? ABCD is a parallelogram with non-perpendicular adjacent sides. ABCD is a trapezoid with only one pair of parallel sides. ABCD is a rectangle with non-congruent...

math
what is a probability of rolling a total of 5 when a pair of number cubes is rolled once

subsition method
x + 5y = 126 y = 3x +6

english
When an adverb modifies a verb with a helping verb, the adverb should generally be placed

BUS math
Bari Jay a gown manufacturer received an order for 600 prom dresses from China. Her cost is \$35 a gown. If her markup based on selling price is 79%, what is the selling price of each gown? Round to the nearest cent.

accounting
A company purchased merchandise inventory at a cost of \$8,500 with credit terms 2/10, net 60. If the company borrows \$8,330 to pay for the purchase on the last day of the discount period and pays the loan plus interest in the amount of \$8,466.93 on the last day of the credit ...

Chemistry
The dosage of technetium -99m for a lung scan is 20 uci/ kg of body weight. How many millicuries should be given to a 50.kg patient (1 mci=1000uci)

Chemistry
How much heat is needed to change 3kg of copper from a solid to a liquid? Heat of fusion = 205,000 J/kg

Math
You currently make \$42,000 per year. Your deductions amount to 27% each month. You will get a 3% raise next year.

Biology
You have a stock solution with following components: glucose: 44 g/L NaCl: 191 g/L Tris Buffer: 275 g/L You mix 71 mL of the solution with water and bring the resulting solution to a final volume of 750 mL. What is the final concentration of glucose in g/L?

Biology
You prepare a solution by dissolving 319 g of glucose and 114 g of NaCl in water and bring the final volume up to 1,088 mL. What is the final concentration of glucose in g/L?

Calculus
At 2:00pm a car's speedometer reads 60mph, and at 2:10pm it reads 65mph. Use the Mean Value Theorem to find an acceleration the car must achieve. Answer( in mi/h2):

Math
If a and b are positive numbers, find the maximum value of f(x)=x^a(1−x)^b, 0≤x≤1 Your answer may depend on a and b.

math
The demand function for the Sicard wristwatch is given by the following function where d(x) (measured in units of a thousand) is the quantity demanded per week and x is the unit price in dollars. d(x) = 50 0.01x2 + 1 (0 ≤ x ≤ 20) (a) Find d'(x). d'(x) = (b...

Math
Thanks

Math
a-7 is divided by 10 = a-2 divided by 8

Math
a-7= a-2 ---- ---- 10 8 a=????

College Algebra
Translate the following statement. Into an alegebraic expression use x for your variable the sum of the cube if a number and seven times number

Math
An airplane in Australia is flying at a constant altitude of 2 miles and a constant speed of 600 miles per hour on a straight course that will take it directly over a kangaroo on the ground. How fast is the angle of elevation of the kangaroo's line of sight increasing when...

Math
preparing to make 4 white tents you discover each one will require 2.5 square yards of silk. If each square yard of silk costs \$4.00, how much will it cost to make all the tents? Do I multiple 2.5 times \$4.00 to get the answer?

math
Lee wants to cut this piece of canvas into two rectangles that are 3×2 and 3×5. He wants the sum of the areas of the two small rectangles to be the same as the area of the large rectangle. Can he do this? Explain

algebra
Ten years from now Tim will be twice as old as Jane was when mary was nine times as old as tim. Eight years ago, Mary was half as old as Jane will be when jane is one year older than Tim will be at the time when Mary will be five times as old as Tim will be two years from now...

Help with math
This confused me even more

math
It's been several years since I have had to do math and I am posed with this ? and don't recall how to find the answers. There is a fixed overhead of \$1 per bolt. They make a run of 10,000 bolts at a total marginal cost of \$70k. They sell them all, and lose \$20k. What ...

science
300,000m away

algebra
X=3

physics
A 1000 kilogram car rolling on a horizontal surface has speed v= 45 kilometer per hour when it strikes a horizontal coil spring and is brought to rest in a distance of 2.2 meters. What is the spring stiffness constant of the spring?

Economics
0.12*12000=180

algebra
Christ is building a rectangular where the front and back are 5' each. The perimeter of the dog house needs to be 28'. How long will each side of the dog house be?

chemistry
Gaseous methane CH4 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O . Suppose 0.481 g of methane is mixed with 2.9 g of oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction. Be sure ...

Chemistry
NEVER MIND

Chemistry
A solution contains Cr3+ ion and Mg2+ ion. The addition of 1.00 L of 1.55M NaF solution is required to cause the complete precipitation of these ions as CrF3(s) and MgF2(s). The total mass of the precipitate is 49.9g .Find the mass of Cr3+ in the original solution.

physics question solved
What is the rate of deceleration of a 1400-kg SUV that is going 75.0 km/h and then slows to 25.0 km/h in 8.20 s? Figured it out, Don't worry about the mass, just solve for Deceleration. which is deltavelocity/delta time >>Subtract First(75 - 25) = 50 km/hr*(1hr/3600 ...

Physics
Figured it out, Don't worry about the mass, just solve for Deceleration. which is deltavelocity/delta time >>Subtract First(75 - 25) = 50 km/hr*(1hr/3600 sec) = 50/3600 = 0.01389 km/s. <<Dont Forget the conversion to sec >>>Then delta velocity/ delta ...

Physics
What is the rate of deceleration of a 1400-kg SUV that is going 75.0 km/h and then slows to 25.0 km/h in 8.20 s?

pre calculus algebra
What number is less than another if 6X a smaller number is added to five times the larger number the sum is 153 find the two numbers

Medical Billing & Coding
A physician performed an aspiration via thoracentesis on a patient in observation status in the hosptial. The patient has advanced lung cancer with malignant pleural effusion. Later the same day, due to continued accumulation of fluid, the patient was returned to the procedure...

MAT 116
If a > 0 and b < 0, then which of the following must be true

math
an unbiased coin is tossed six times. find the probability of the given event. the coin lands heads more than once.

math
a pair of dice is rolled. what is the probabilty of each of the following? a. the sum of the numbers shown uppermost is less than 5. b. at least one six is cast.

american national goverment
1. Locke’s use of the term “property” (Points : 1) serves to stress the absolute sanctity of property. serves as a defense against the arbitrary exercise of power and authority. dramatizes his commitment to natural law. means that a sovereign who seizes property...

Chemistry

Chemistry
Okay thank you so much!

Chemistry
A buffer solution is prepared by mixing 50.0 mL of 0.300 M NH3 with 50 mL of 0.300 NH4Cl. The pKb of NH3 is 4.74. NH3 + H2O-> NH4+ +OH- 7.50 mL of 0.125 M HCl is added to the 100 mL of the buffer solution. Calculate the concentration of NH3 and NH4Cl for the buffer solution...

Calculus
Using f(x), determine a formula for the Riemann Sum S_n obtained by dividing the interval [0, 4] into n equal sub-intervals and using the right-hand endpoint for each c_k. f(x)= 5x+2 Now compute the limit as n goes to infinity S_n to compute the area under the curve over [0,4].

chemistry
a piece of metallic iron (10 moles) was dissolved in concentrated hydrochloric acid. the reaction formed iron (II) chloride and hydrogen gas. how many moles of iron (II) chloride were formed?

Math
Suppose that Ramos contributes \$6000/year into a traditional IRA earning interest at the rate of 2%/year compounded annually, every year after 35 until his retirement age at age 65. At the same time, his wife Vanessa deposits \$4900/year into a Roth IRA earning interest at the ...

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