Calculus (Answer Check)

86,499 results, page 63

math- check me

(-3)/(5)y=-15 Does y=25

math check

2k=14.6 K=29.2

math *check*

x:1,2,3,4,5,6,7,8,9 ---------------------------------------------------------------------------------- y:0.8,2.1,3.1,3.8,5.2,8.4,6.9,8.1,9

Math

Check for 2/3(k+8)=52

Check answers?

1. (3x + 4)(x – 2) A)3x^2 – 2x – 8 B)x – 8 C)3x – 2x – 8 *** D)3x^2 + 2x + 8

help

do you check papers

computer science

I need to write a program that ask the student to enter an answer to a math problem. The user should enter two values, one at a time, and then ask for an answer. The program should display if the entered answer is correct or not and display the correct answer if the user ...

English

Question 12 He wrote a hot check. The word hot is used poorly clearly connotatively denotatively Question 13 Hot flames poured out of the grill. The word hot is used poorly clearly connotatively denotatively my answer 12. poorly because its slang for bad 13connotatively

chemestry please check my anwer.

1.How do acid-base reactions differ from oxidation-reduction (or "redox") reactions? Answer Acid-base reactions involve an exchange of protons whereas redox reactions involve an exchange of electrons.<<< Acid-base reactions and redox reactions involve different ...

Honors Pre-Calculus

It is known that when a car with wheels of radius 14 in. is driven at 35 mph, the wheels turn at an approximate rate of 420 revoulutions for minute. Show how to obtain this rate of turn. If you ride a bicycle a distance of 5 miles in 15 minutes at a constant speed and if the ...

Science Check Please

Which of these is true? The nervous system doesn't react as quickly as the endocrine system. The endocrine system doesn't react as quickly as the nervous system. (My Answer) The nervous system and the endocrine system have similar reaction times. The endocrine system and the ...

essay check please

This is the introduction of my essay , please check it !!!!!!!!!!!! It would really help “All men are born equally free”-Salmon P. Chase. A very important character that shapes our society is equality, but many people don’t believe in it. Racism and discrimination are ...

Calculus

Ian's house is located 20km north of Aida's house. At 9am, one saturday, Ian leaves his house and jogs south at 8km/hour. At the same time Aida leaves her house and jogs east at 6km/h. When are Ian and Aida closest together given that they both run for 2.5 hours? The answer is...

Potential Energy Q

Q A rollercoaster of mass 400 kg is stationary at the highest point on the track. It then drops to the lowest point through a vertical distance of 24 m. Calculate: a) the potential energy of the car at the top of the ride. b) the speed of the car at its lowest point, ignoring ...

spanish help please

A nosotros se ____perdieron las llaves del auto. answer nos Se me _____ (forgot) hacer la tarea anoche. answer olvida A Rita y a Pedro se _____dano la motocicleta answer les

Algebra

3.29x=5.5√(x)+10,000 How in the world do I solve for x without using a calculator? I swear I've been on this for hours. I know the answer is 3133 because I estimated the answer and then began plugging in numbers until I got to the actual answer.

English

Which of the following is a good test-taking strategy for multiple-choice questions? 1.Answer C is almost always the correct answer, so pick C if you don’t know the answer. 2.Read the answers first, and then read the question. 3.When in doubt, provide two answers. 4.After ...

English

I urgently need you to check these sentences. Thank you. 1) As our students we'll probably have to learn science in English in their last year of high school, we would rather they used English as the lingua franca for their Comenius project. 2) I think either your school or ...

Math

Ok I'm on castle learning and for homework this weekend we have to do #1-4 (assignments) that is due on Saturday @ midnight because that the time it will close and I need help on this question. My assignment is: Math 7 (Q1) Assign #2 - Fractions (i already did the others) Qs. ...

chemistry Damon check my calculation

25g of a sample of ferrous sulphate was dissolved in water containing dilute h2s04 and the volume made up to one litre. 25ml of this solution required 20ml of this solution required 20ml of n/10 kmn04 solution for complete oxidation. Calculate the percentage of f2s047h20 in ...

chemistry

thanks DrB I got AgCl also Could you check this problem as well? If you start with .500 moles of NaF, how many moles of CaF will form? I got .250 that is correct as far as i know i got the same thing That's correct. Your answer is right. I can only assume you worked it right. ...

Physics - Half Life Question Check!!!

An ancient rock is found to contain 40Ar gas, indicating that 77% of the 40K in the rock has decayed since the rock solidified. Any argon would have boiled out of liquid rock. How long ago did the rock solidify? The half-life of 40K is 1.25 billion years. A) 2.6 billion years ...

chemistry(check my answer)

Which of the following will be affected by the addition of a catalyst to a chemical reaction? a)the value of the reverse rate constant, kr b)the magnitude of the equilibrium constant c)the value of the forward rate d)ΔHo e)the value of the forward rate constant, kf f)&#...

English - Check these?

Can someone help me check these? 1. The main purpose of a research paper is ____________. (1 point) to verify information to expand a body of knowledge*** to persuade the reader to commit to a course of action 2. Which of the following is NOT a guideline for choosing a topic ...

Grammar-again

Determine if the following sentences are: a. run-on b. fragment c. correct as is. 1. An appendectomy yesterday. Answer: b. fragment 2. When she felt better, the patient ate. Answer: c. correct as is 3. Her pain was evident on palpation the medication did not help even though ...

English

Can you please check the following sentences? I just want to make sure that the tense choice is correct. 1.Enter the airport and look at the departures board to check your flight number and the departure time of your flight. 2.Go to the check-in desk to weigh your luggage. ...

Physics SHM

An automobile can be considered to be mounted on four identical springs as far as vertical oscillations are concerned. The springs of a certain car are adjusted so that the oscillations have a frequency of 4 Hz. (a) What is the spring constant of each spring if the mass of the...

Calculus

using the following information in place of that in the book. The machine earns the company revenue at a continuous rate of 50000 t + 35000 dollars per year during the first six months of operation, and at the continuous rate of $60000 per year after the first six months. The ...

math - marginal analyis

A factory's output is Q=600K^1/2L^1/3 units, (read 600 x K to the 1/2 power x L to the 1/3 power). K denotes capital investment and L denotes the size of the labor force. Estimate the percentage increase in output that will result in a 2% increase in the size of the labor ...

Calculus

Sorry for posting another quesiton..; f(x) = { -7x^2 + 7x for x<=0 { 3x^2 + 7x for x>0 According to the definition of derivative, to compute f'(0), we need to compute the left-hand limit lim x-> 0− = _____ and the right-hand limit lim x->0+ ______ We conclude...

Grammar

Which of the following sentences displays a correct use of punctuation? A.The Dutch master, Rembrandt, is famous for his self-portraits. B.The Dutch master Rembrandt is famous for his self-portraits. C.The Dutch master Rembrandt, is famous for his self-portraits Pretty sure ...

Compisiton of Functions

Let f(x) = x + 4 and h(x) = 4x - 1 Find a function "g" such that "g compose of f equals to h" g(f(x) = h g(f) = h g(x + 4) = 4x - 1 g = (4x - 1) / (x + 4) But my answer is wrong, how do I retrieve the right answer? By the way, the right answer is "g(x) = 4x - 17"

algebra

Here is the problem I am working on and what I did so far: 4+m-3m First I did this: 4+(m-3m) Then I did this: 4+(-2m) I thought my answer should be: 4-2m The answer key says the answer should be: -2m+4 What did I do wrong?

math

First estimate answer then divide to find exact answer. Simplify all answers. 2 2/3 divided by 10 2/3 I don't understand how to estimate the answer.

Chemistry

Ok i need a little help. I have the answer to this question but i need to know how the teacher got the answer. How many grams of water are in a 100g of a 30% sugar solution? My answer is 70.

calc

what is the derivative of y=ln (1-x^2)^1/2 so its hard for me to write all of my work on here but i got 1/2(1-x^2) as my answer and that is one of the choices but it is not the correct choice. the correct answer is -x/(1-x^2) how did they get this answer?

math

Can someone help me answer this question? I need to Combine the like terms. My teacher said I got a portion incorrect. Question~~ – ½ a + ¾ b – (a – 8b) My answer~~ -1/2a+1a 1/2a 3/4b+8b (3/4+8)b 8 3/4b The answer is 1/2a+8 3/4

Algebra 2

Q: What is the value of b in the equation 4^2b-3 = 8^1-b? My Work/Answer: Set each sides base to 2 2^2(2b-3) = 2^3(1-b) cancelled bases out solved for b my answer - 9/7 Is my work and answer correct Thank You

Math

#1) Luis stated that when you are converting meters to centimeters your answer will be larger than your original number. My answer is yes because centimeters are smaller . (Is my answer OK ) #2) 8/9 + 1/3= 33/27= 1(12/27)= (I'm stuck here) #3) 6/8-2/6=2 (18/20) =2 (9/10) is ...

chem

which of the following is a chemical reaction? A) propane forms a flame and emits heat as it burns. B) Acetone feels cold as it evaporates from the skin. C) Bubbling is observed when potassium carbonate and hydrochloric acid solutions are mixed. D) Heat is felt when a warm ...

Math \ Algebra

Hello! Can you check my answers for these questions? Thank you in advance (= 1. The following ordered pairs give the scores on two consecutive 15-point quizzes for a class of 18 students. (7, 13), (9, 7), (14, 14), (15, 15), (10, 15), (9, 7), (14, 11), (14, 15), (8, 10), (9, ...

Math

Hello! Can you check my answers for these 4 worksheet questions? Thank you in advance (: 1. The following ordered pairs give the scores on two consecutive 15-point quizzes for a class of 18 students. (7, 13), (9, 7), (14, 14), (15, 15), (10, 15), (9, 7), (14, 11), (14, 15), (8...

Dogs Hunting Training

Please check my answer thanks :) Which sporting breed was not developed in North America Chesapeake Bay Retriever Nova Scotia Duck Tolling Retriever Golden Retriever Ok I am not to sure about this one becase I have been told that the Yarmouth County, Nova Scotia, Canada, is ...

political science

1) Scenario: The President appoints Dan Evans to Senator Adams' seat when Adams resigns due to a personal scandal. This scenario is: a) Constitutional, because it is within the President’s powers to appoint Senators when one dies or resigns in the middle of his/her term. b) ...

teaching in early chldhood programs

A teacher is concerned about monitoring the progress of individual children in the second-grade classroom. What would be the best advice to give the teacher? A. Give a test periodically to see if the children have achieved according to the standards set. B. Use centers only ...

teaching in early childhood programs

A teacher is concerned about monitoring the progress of individual children in the second-grade classroom. What would be the best advice to give the teacher? A. Give a test periodically to see if the children have achieved according to the standards set. B. Use centers only ...

Poem: A Voice by Pat Mora

Could you please check my answers thanks 1.What happens when the mother goes to the state capitol to give her speech? Answer: When the mother goes to the state capitol to address her speech she wanted to hide her face. Also she faked hoarseness, and she felt her breath was ...

college algebra

A store sells cashews for $5.00 per pound and peanuts for $1.50 per pound. The manager decides to mix 30 pounds of peanuts with some cashews and sell the mixture for $3.00 per pound. How many pounds of cashews should be mixed with the peanuts so that the mixture will produce ...

Design Logic and programming

write a program that ask the student to enter an answer to a math problem. The user should enter two values, one at a time, and then ask for an answer. The program should display if the entered answer is correct or not and display the correct answer if the user entered the ...

pre - CALCULUS

The wind chill factor represents the equivalent air temperature at a standard wind speed that would produce the same heat loss as the given temperature and wind speed. One formula for computing the equivalent temperature is 𝑡 W(t) = {33 − (10.45+10√𝑣...

math

help me solve these problems please 1 1/2 - 3 2/5 + 8/15 - 2 2/3 (-4 7/12) - (-3 2/3)- 1 /24 + 2 5/8 -3 1/2 - (- 1 5/6) + (-1 1/12)+ 2 3/4 8-5*2+6/(-2) this i think i can get the right answer 8-10+(-3) -2+(-3)=-5 is that the rite answer 2 7/9/ (-1 4/81)- 11/17 -1.5 / (-3) + (-...

Algebra II

A math book said that the answer to (1 + 1/n) to the nth power was 2.5 when n=1. It seems like the wrong answer to me and that the answer should be 2. Please let me know if I am right or explain if I am wrong.

Middle school algebra

Please help: Problem: 14 divided by a number is 21. What is the number? my teacher says the answer is 2/3 but I don't get that answer. I set it up: 14/n= 21 Then tried solving as: (n/14)(14/n) = 21/14 My answer = 1 1/2 What am I doing wrong? Thank you

Language Arts ~CHECK MY ANSWERS~

1.) Resilient people usually a. complain when they have bad luck. b. bring good luck to others. c. are able to deal with setbacks. • My Answer: (B- brings good luck to others.) 2.) When the speaker refers to pausing to “enjoy the view / of the trees and the flowers below...

Chem

Could you check my answers and if wrong, suggest the right one. 1. In gas chromatography, two measurements are made. Identify the qualitative and quantitaive measurements. dye color and retention time 2. Why are components such as polymers like starch and cellulose unsuited to...

Calculus

If g(x) is continuous for all real numbers and g(3) = -1, g(4) = 2, which of the following are necessarily true? I. g(x) = 1 at least once II. lim g(x) = g(3.5) as x aproaches 3.5. III. lim g(x) as x approaches 3 from the left = lim g(x) as x approaches from the right A. I ...

calculus

f(x+k,y)-f(x,y)/k when f(x,y)=4x^2y

Calculus

1.

calculus

f(x)=2x^2-x g(x)=3x+2 f*g= g*f= f*f= g*g=

calculus

f(x)=x+1/x g(x)=x+1/x+2 f of g? g of f? f of f? g of g?

calculus

How do you do it

calculus

R^0.5-90=0

calculus

R^2+R^2=R^3

calculus

xy^3-e^3x=y^2

calculus

x^2/3 (x-9)

calculus

I=g^2/da

Calculus

y = ln(3x+5), then d^2y/dx^2 = a. 3/(3x+5) b. 3/((3x+5)^2) c. 9/((3x+5)^2) d. -9/((3x+5)^2) e. -3/((3x+5)^2)

calculus

f'(x) = (x^2-1)/x

Calculus

Let f(x) = ln(((2x–5) / (7x+4))^(1/2)). f'(x) = ...

calculus

dh/dx x = 7 , h (x) = (x^-1/2 + 8x)(4 - x^-1)

calculus

f'(x) of f(x)= 4e^x/1-e^x

Calculus

If y=ln((3x+2)^6(x+10)^3), then dy/dx=

calculus

dx/dt=5x-2y,dy/dt=4x-y

Calculus

X2-7x-12/x-2

calculus

x = 6 h(x) = (x-1/2 + 5x)(1 - x-1)

calculus

f(x)=1-3x when f(x)-f(1)/x-1

Calculus

What is y' of y=(x-1)^(1/2)/(x-3)^(1/2)?

Calculus

why does ln(1/x)= -1/x ?

calculus

(10/((n^2)-1)+((2n-5)/(n-1))=(2n+5)/(n+1)

calculus

y= [(2x-1)(x^2) + x]

Calculus

if x^2 + y^3 = (x^3)(y^2) then dy/dx = ? thanks

calculus

If x2+xy=10, then when x=2, dy/dx=?

Calculus

(3x-4)e^x2-6=0

Calculus

(3x-4)e^x2-6=0

Calculus

-4=(5/2) x 3-b

calculus

f(x)=x^2-3x+1/x^2

calculus

f'(x^2)^2=?

calculus

if f'(x)=2f(x) and f(2)=1, then f(x)= ?

calculus

f(x)=(x+2)^3+(x-1)^4

calculus

f(x)= x^3/(2x-5)^4

calculus

xy-6=0;(2,3)

calculus

4(x*3)=2(x-4)+25

calculus

d^2/dx^2(q(x))-5*(d/dx(q(x)))+6*q(x)=0

calculus

x+4/5 + 5-x/4=37/10

calculus

Dy/dx of y=e^x/x^2

calculus

Dy/dx y=(2x+1)^4e^x

AP Calculus

If f(x)=3x^2-x+2 then what is 2f(a)? What is f(2a)? What is f(a^2)? What is [f(a)]^2? What is f(a+h)?

calculus

If f(x) = 5x - 7, what is f(2)?

Calculus

g(x)=(1)/(2e^(x)+4e^(-x))

calculus

t(x)=((x+4)^0.1-5x)^-5.1

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