# Posts by Angela

Total # Posts: 1,730

**Science**

What kind of air is above water during land breeze (high pressure or low pressure) What kind of air is above land during land breeze? (high pressure or low pressure)

**English**

Im trying to make sure I am using correct grammar and to make it sound on a 5th grade level.See if you can come up with a better heading for this information. Other Information About Mrs. walker. We all have been taught that the hot comb (straighten or pressing comb) was ...

**ENGLISH**

Yes, I do understand the changes you made. I really appreciate it. My goal is to be professional as possible.

**ENGLISH**

I'm trying to make sure that my grammar is correct. I need to send this to a customer. Sorry for the misunderstanding about your account. After reviewing your account with the billing processor the last payment that you sent was not the last bill that you would receive. ...

**Calculus (Motion with Vector functions)**

For the position function r(t)= (2+t^2,3t), determine the approximate angle between the acceleration and velocity vectors at (3,3). a)45.7 b)56.3 c)71.7 d)44.9 e)58.2

**Calculus (Motion with Vector functions)**

3. What are the velocity and acceleration function vectors for a particle traveling in the xy-plane with position vector r(t)=(2+t^2, 3t)? a)v(t)=(2t^2, 3t) ; a(t)=(2t, 3) b)v(t)=(2t, 3) ; a(t)=(2, 0) c)v(t)=(2t, 3t) ; a(t)=(2, 3t) d)v(t)=(2+2t, 3) ; a(t)=(4, 0)

**Calculus (Motion with Vector functions)**

1. What are the magnitude and direction angle for the vector u=<5,-3> 2. Calculate the speed of a particle in the xy-plane with positive vector r(t)=(4-t^2, 6t) at the point (0,12).

**4 Calculus Related-Rates Problems**

1. How fast does the radius of a spherical soap bubble change when you blow air into it at the rate of 15 cubic centimeters per second? Our known rate is dV/dt, the change in volume with respect to time, which is 15 cubic centimeters per second. The rate we want to find is dr/...

**math**

how many liters of a 60% antifreeze solution should be added to 9 liters of a 30% solution to get a 50% antifreeze solution

**Agerbra 1**

What is the value of x in the solution to system of linear equation. A.-1 B.8 C.7.5 -4x+3y=-3 5x-3y=40.5

**Algebra 1**

write an equation of the line that passes through (1,5) and is parallel to the line y=-4x+2 I need help! I got y=-4x+1 but when I corrected my H.W. It said it was y=-4x+9. Can some on check what I did wrong

**Math**

In order to cover upfront expenses, Pinecrest Enterprises must be able to come up with $50 million of its own capital reserves. Presently, Pinecrest has $37 million in capital reserves available, and can add $1.5 million per month . After how many months will Pinecrest ...

**Math**

To obtain a rough estimate of the development cost, Abigail, the accountant working for Pinecrest Enterprises, assumes that the total cost C (in millions of dollars) is given by the formula C= 20y + 15, where y is the cost per subdivision. If x represents the cost of a single ...

**Math**

Joe is the owner and CEO of Pinecrest Enterprises, a real estate development company in Boise, Idaho. The company has taken on a new development project outside of town, and Joe wants to drive out to survey the proposed development site. The site is 30 miles away from Joe&#...

**Math**

1. In order to collect data on the signal strengths in a neighborhood, Briana must drive from house to house and take readings. She has a graduate student, Henry, to assist her in the task. Briana figures it would take her 12 hours to complete the task if working alone, and ...

**Math**

Please somebody help if I don't do think assignment I will be flogged.

**Math **

(1) The curved surface area A of a cone of height and base radius is pie R squareroot H square+T square. (a) Make H the subject of the formula. (b) Find the height of a cone of area 550cm Square and base radius 7cm, taking pie to be 22/7. (2) if nSquare _ 1 over m = 4. (a) ...

**Math**

Where is my question.

**math**

A spice store charged 2.75 for 25 grams of paprika. It also charges 5% of the purchase price for shipping any order. Write and simplify an expression to determine the cost of buying and shipping x ounces of paprika. Use 1 once = 28 grams Can a customer buy 2.5 ounces of ...

**Math**

Please some one should assist me or else I will get flogged.

**Agriculture**

Thanks for answering

**Agriculture**

1; What is advertising 2; 5 media mean s of advertising 3; roles of science and technology in advertising 4; 5 benefits of advertising.

**Math**

Please I don't want to fail.

**Math**

Please some one should assist me.

**Math**

A woman makes n baskets and sells them all at the same price (A) If she sells all but 3 of the baskets . she will get 5,700. Express the selling price of a basket in terms of n. (B) If she makes 3 more baskets and sells them all, she will get 7,500. Write down another ...

**Math**

A mother is 20 years older than her daughter.if the daughter is y years old. (A) How old is the mother? (B) in terms of y how old was the daughter 4 years ago . (C) In terms of y, how old was the mother 4 years .(I) 4 years ago if the ratio of ages was7:3 find the present age ...

**Math help**

Determine the value(s), if any, of k for which the function f(x) = x^3 + 6x^2 + kx -4 gives the same remainder when divided by x ? 1 and x + 2.

**math**

Describe in detail what the discontinuities that could be if a rational function has a linear function for a numerator and an absolute value function for a denominator. I don't get this because wouldn't there be an infinite number of discontinuities depending on the ...

**math**

Oh! do you take the inverse of things? Like y=x^2 but then you change it to x=y^2. But then how do I describe that in comparison to a,k, d , and c?

**math**

Like y=x is odd and it can be transformed to even. But what's even that can be transformed into odd?

**math**

Suppose f(x) is a function which is even but then transformed to an odd function g(x) = af(kx ? d) + c. What can you conclude about a, k, d, and c. Justify your conclusion both algebraically and graphically. I honestly have no idea how to answer this question because I believe...

**maths**

600ml each

**Algebra**

19.00

**Math**

.021, .845, 99/1000 write the numbers in order from least to greatest

**Math algebra**

The length of a piece of fabric is 8y yards.Landon cuts 7 yards from it to make some cushion covers.He then uses 4 equal pieces.How long is each piece?

**science**

name the metals and non metals present our body

**Economics -- HELP!!!**

If the government sets a minimum price above the equilibrium price for soybeans, which of the following statements will be correct? A. There will be an efficient level of output produced. B. There will be excess supply. C. There will be excess demand. D. all of the above An-B

**Economics -- HELP!!!**

posted by Angela on Sunday, May 21, 2017 at 12:33am. In the market equilibrium, with a price of $500 there are 2000 apartments. If the government decides to enact a rent control policy, with a maximum price of $400, it reduces the quantity to 1500 apartments. Due to the rent ...

**Economics -- HELP!!!**

Thanks guys.

**Economics -- HELP!!!**

Suppose you receive a consumer surplus of $50. The $50 represents __________ . A. a monetary payment from the store B. a monetary payment from the government C. a reduction in the original price of the good D. the fact that you paid $50 less than you were willing to pay for ...

**Economics -- HELP!!!**

Recall the application about price controls and the candy bars. During World War II, the U.S. government imposed price controls to set maximum prices on all different products, including candy bars. How did the candy bar producers respond to maximum prices? A. Producers ...

**LA**

What are some Themes in Chapter 15-17 The Giver?

**physics **

Determine the frequency and period for a pendulum of length 250cm, mass of 500g, and amplitude of 25cm I don't understand how to do this, help would be appreciated! Thank you

**Science**

What is it??

**Physical Science**

A 10 N object rests on a 10° incline. What is the normal force? What is the parallel force? A 10 kg object rests on a 10° incline. What are the normal and the parallel forces?

**Chemistry **

A 25-mL sample of 0.160M solution of NaOH is titrated with 17 mL of an unknown solution of H2SO4 What is the morality of the sulfuric acid solution.

**@Incognito**

Sorry for sounding rude.

**Algebra**

can you please help me with this problem: 30y2^ + 60y + 300 = 5y2^ + 120y -24 25y - 60y + 324 = 0 used the quadratic equation (used the square root) x = -60 (60)2^ - 4(25)(324) / 50 x = -60 (3600 + 32,400)/50 x = -60 +or minus(-28,800) / 50 x = -60 + 169.706 / 50 = 109.706/50 ...

**IB Calculus**

A particle moves along the x-axis so that at any time t?0, its velocity is given by v(t)=t^2-16t+4 What is the velocity of the particle when its acceleration is zero?

**Physics 202**

An inquiring student that has a mass of 65.0 kg is watching a crane with a wrecking ball demolish a building next door. The wrecking ball is swinging parallel to the property fence between her house and the neighbor’s. In an effort to estimate the length of the cable on ...

**Help -Social Impact of Technology**

Respecting energy, in Leslie White’s formula, E=P*T, “T” stands for: A. the measure of energy efficiency. B. the sum of energy produced. C. energy production per capita. D. a measure of energy dissipation per capita. An:D

**Help -Social Impact of Technology**

Thanks ..

**Help -Social Impact of Technology**

It is between A and B. More like B because it is 97%

**Help -Social Impact of Technology**

17.46

**Help -Social Impact of Technology**

I read it again and is 97% so it should be D

**Help -Social Impact of Technology**

According to a report on 18 scientific associations, __________ that we are in an age of human-caused climate change. A. all of the 18 affirm B. about half of the 18 agree C. only two of the 18 disagree D. about two thirds of the 18 affirm An: A

**Geometry**

Find the distance CD rounded to the nearest tenth C =(10,-1) and D =(-6,3) CD = ?

**calculus**

Is this the correct answers for these questions Verify the means value theorem holds on the interval shown. Then, find the value c such that f'(c)=(f(b)-f(a))/(b-a) b.f(x)=x^3=x-4 on [-2,3] c= square root 7/3 c. f(x)= x^3 on [-1,2] c= square root 1 d. f(x)= Sqr. root of x...

**calculus**

Verify the means value theorem holds on the interval shown. Then, find the value c such that f'(c)=(f(b)-f(a))/(b-a) a. f(x)= x-1/x on [1,3] b.f(x)=x^3=x-4 on [-2,3] c. f(x)= x^3 on [-1,2] d. f(x)= Sqr. root of x on [0,4]

**Physics**

A 100 grams mass of a substance has a volume of 150 centmetre cube.Calculate the relative density of the substanc. [density of water pw=1.0gcm^-3]

**History - Help**

Regarding peripheral countries or regions, all of the following are true EXCEPT: A. they are all dependent on core countries for capital. B. the term peripheral is not necessarily synonymous with poverty. C. most of the impoverished countries are in Africa. D. there is a ...

**History - Help**

In the French colonies of West Africa, an effort was made to establish a Francophile community, wherein people of the different colonies embraced French culture. This effort was: A. a total failure. B. in fact, mainly successful in French Indochina. C. successful in that ...

**History - Help**

thank you

**History - Help**

The concept of national sovereignty was established by: A. the European invasion of the Holy Lands. B. the Treaty of Westphalia. C. the Protestant Reformation. D. The Peace of Augsburg. An: B

**History - Help**

Thank you.. This Link helped me more than my notes.

**History - Help**

The French wars of religion amounted to a civil war that ended in: A. the conclusive victory of the Roman Catholic Church. B. a protracted and inconclusive stalemate. C. the conclusive victory of the Protestant Huguenots. D. the expulsion from France of all French Protestants...

**Help -Social Impact of Technology**

Marge maintains that there is no direct correlation between population density and poverty. Mason argues that population density is normally associated with poverty and political instability. Who is correct? A. Marge and Mason are both incorrect. B. Marge and Mason are both ...

**Social Impact of Technology**

Marge maintains that there is no direct correlation between population density and poverty. Mason argues that population density is normally associated with poverty and political instability. Who is correct? A. Marge and Mason are both incorrect. B. Marge and Mason are both ...

**Social Impact of Technology**

it's B

**Social Impact of Technology**

According to your reading, factors bearing on population dynamics that may be at the root of social problems include all of the following EXCEPT: A. economic. B. spiritual. C. cultural. D. political

**Social Impact of Technology**

VEhrlich’s dire projections differed from those of Malthus in that he applied the principle of geometric progression to: A. vital resources such as oil, copper, and top soils. B. significant climate change variables. C. increasing species die-off. D. the comparison of ...

**Social Impact of Technology**

On the pH scale ranging from 1 to 14, 7 is neutral. Any number greater than 7 is alkaline; any number lower than 7 is acidic. With that in mind, in turns out that the oceans are serving as a carbon sink. About __________ percent of current carbon dioxide emissions have been ...

**Social Impact of Technology**

Which of these planets is in the so-called “Goldilocks Zone”? A. Earth B. Mars C. Jupiter D. Venus Ans: Earth

**Social Impact of Technology**

Ecologists who study the way many species interact with each other in a specified area are focused on: A. habitats. B. communities. C. niches. D. biomes Ans : B

**Social studies**

How could they have affected the outcome, and yes the continental army

**Social studies**

how did the conditions in continental army could have affected the outcome of the war

**Social Impact of Technology**

Thank you

**Social Impact of Technology**

In general, heat amounts to the vibration of __________ such that increasing vibrations register as increasing heat. A. elements B. particles C. molecules D. compounds An-- C

**Social Impact of Technology**

A heat

**Social Impact of Technology**

In general, the efficiency of an internal combustion engine is 30 percent. The remaining 70 percent is mainly dissipated as: A. heat energy. B. mechanical energy. C. chemical energy. D. kinetic energy. An-B

**Social Impact of Technology**

B thanks..

**Social Impact of Technology**

Which of these kinds of energy is a fundamental requisite for life on Earth? A. Electrical energy B. Solar energy C. Chemical energy D. Potential energy An -- C

**Physiscs**

A 3kg bar is laying on a smooth vertical wall of 3L of height and a floor of 2L. Determine the force that the wall exerts over the bar. I have tried to get to length of the bar by using Pitagoras but no, then I tried using a free body diagram but I don't know the direction...

**Calculus**

i need help, im not sure how to get started : 1) A piece of wire 14 m long is cut into two pieces, the length of the first piece being x m. The first piece is bent into a circle, and the other is bent into a rectangle with length twice the width. Give an expression for the ...

**English please help**

19 is A I made an 84% because of "j"

**Math**

A person invested $7900 for one year, part at 5%, part at 11%, and the remainder at 15%. The total annual income from these investments was $965. The amount of money invested at 15% was $500 more than the amounts invested at 5% and 11% combined. Find the amount invested at ...

**math**

11 per hour 39 hours worked 6 hours at time an half

**Math**

Write an equation to model: The temperature of hot water placed in the freezer is 80 'C and it decreases at a rate of 8' C per hour

**Rate of Change -Math**

Emily works at a fitness centre and receives a base pay of $20 per day, plus a bonus of $5 for each trial pass she gives away. Define your variables.

**Earth Science**

Assume that the lower troposphere is isothermal with a temperature TA. An airparcel at the surfaceis heated isobarically to a temperature of T0 and then released and allowed to ascend dryadiabatically. Assume that the buoyancy is the only force acting on the parcel and that ...

**Social Impact of Technology**

Regarding the case of the Ford Pinto, which statement is TRUE? A. About half of the Pinto prototypes passed the 20 mph test. B. Ralph Nader demonized the Ford Motor Company in his book Unsafe at any Speed. C. The decision to go ahead with Pinto production was based on a cost/...

**Social Impact of Technology**

thanks I have been .... will do again

**Social Impact of Technology**

In which of these Asian countries has gendercide been rejected in favor of gender equality? A. Sri Lanka B. South Korea C. Indonesia D. Tibet Ans: B

**Social Impact of Technology**

From Brad Reid’s perspective, with respect to establishing a just and virtuous social order, how does he characterize the role of the legal system in the world of business? A. It is a vital tool when properly applied. B. It can be effective, but only when competitors ...

**math**

An investor estimates that next year’s sales for New World Products should amount to about $75 million. The company has 2.5 million shares outstanding, gener- ates a net profit margin of about 5% , and has a payout ratio of 50% . All figures are expected to hold for next ...

**History of Technology**

no it is applied science

**History of Technology**

In developed countries, technological advances are most closely related to: A. cultural philosophy. B. warfare. C. applied science. D. theoretical science. Ans : D

**Math**

8 inch over 3 feet ratio simplest form

**physics**

If 1000 electrons are removed from an isolated neutral metal sphere, calculate the charge acquired by the sphere. -1 mark question of state syllabus.

**Math**

Solving ya Systems of Equations by elimination -14x+15y=3 21x-20y=-10 The LCM is 42 so I am able to get (-14x +15y=15)3 = -42x+45=45 (21x-20y=-10)2 = 42x-40y=-20 y =7 but when I plug it in to try and figure out x I do not get a whole number, can you help?