1.What is the sum of 5/6 + 2/3? (1 point) MY ANSWER C. a.1 1/3 b.1 1/2 c.1 2/3 d.1 3/4 2.Sue needs 2 1/3 cups of flour for a batch of cookies.How many complete batches can she make with
102,850 results
Math
1. Name a pair of complementary angles. (1 point) 1 and 4 1 and 6 3 and 4 4 and 5 2. If m1=37°, what is m4? (1 point) 53° 43° 37° 27° 3. If m1 = 40°, what is m5? (1 point) 50° 40° 35° 25° Use the figure to answer questions 4–5. Assume that

Math
Find the sum of the interior angles of a nonagon. (1 point) 140° 1,620° 1,260° 1,450° My teacher showed this question and she explained the answer was the 3rd one but i just don't get it

math help pls
1. Evaluate 6r + 7 for r = 1.2. (1 point)0.2 7.2 13 14.2 2. Write an algebraic expression for “Julie runs three miles less than twice the number of miles, n, that Hannah runs.” (1 point)2n – 3 3n – 2 2n + 3 3n + 2 3. Solve 5s + 40 = 55 using number

maths
each of the students in a class writes a dirrerent 2 digit number on the whiteboard. the teacher claims that no matter what the students write, there will be at least three numbers on the whiteboard whose digits have the same sum. what is the smallest

geometry
The Polygon AngleSum Theorem states the following: The sum of the measures of the angles of an ngon is ____. (1 point) (n – 1)180o (n – 2)180o 9. What is the measure of one angle in a regular 16gon? (1 point) 2,520o 202.5o 157.5o 78.75o 10. The

Calculus
Function f(x) is positive, decreasing and concave up on the closed interval [a, b]. The interval [a, b] is partitioned into 4 equal intervals and these are used to compute the left sum, right sum, and trapezoidal rule approximations for the value of

Math
Does the following infinite geometric series diverge or converge? Explain. 1/5 + 1/25 + 1/125 + 1/625 A) It diverges; it has a sum. B) It converges; it has a sum. C) It diverges; it does not have a sum. D) It converges; it does not have a sum. I am pretty

Mathematics
Which equation could be used to solve for a value, x, that is equal to 5 times the sum of x and 12? * 1 point x = 5x = 12 5x = x + 12 x = 5(x + 12) x = x + (5)(12) The expression below represents the perimeter of a square in centimeters. 4(6+2.5) What is

physics (work posted)
For a body to be in equilibrium under the combined action of several forces. a) all the forces must be applied at the same point b) all of the forces form pairs of equal and opposite forces c) the sum of the components of all the forces in any direction

Math
1. Compare. Use < , = , or >. 11 _____ –7 (1 point) > = < 2. Which of the following is a true statement? (1 point) –2 < 1 1 < 0 –1 < –2 1 > –2 3. The table shows points below sea level. Order the locations from highest to lowest.

Calculus
The series the summation from n equals 1 to infinity of the quotient of negative 1 raised to the n plus 1 power and n is convergent. Use the Alternating Series Test to find an upper bound on the absolute error if the 7th partial sum is used as an estimate

Math "Need Help Asap"!
Geometry Unit Practice Sheet Multiple Choice Use the figure to answer questions 1–3. 1. Name a pair of complementary angles. (1 point) 1 and 4 1 and 6 3 and 4 4 and 5 2. If m1=37°, what is m4? (1 point) 53° 43° 37° 27° 3. If m1 = 40°, what is m5?

Geometry
A small airplane takes off from point A and continues to climb upward in a straight line, as shown in the diagram. What is the plane’s distance from point A when it reaches point C? Point A going up is 5600 ft. Going across is 5200 ft. Point B across is

math
A red die and a green die have been rolled. (6 sided) What is the probability of the event? 1.The number on the red die is greater than the number on the green die (Answer is 5/12 but how?) 2. The sum is less than 10. 3. The sum is even. 4. The sum is

Algebra
1.What is the sum of 5/6 + 2/3? (1 point) MY ANSWER C. a.1 1/3 b.1 1/2 c.1 2/3 d.1 3/4 2.Sue needs 2 1/3 cups of flour for a batch of cookies.How many complete batches can she make with 10 cups of flour? (1 point) MY ANSWER D. a.5 batches b.3 batches c.2

physicsforce
A uniform ladder is 10 cm long and weights 400 N. It rests with ists upper end against a frictionless vertical wall. Its lower end rests on the ground and is prevented from slipping by a peg driven into the ground. The ladder makes a 30 degrees angle with

Calculus
Estimate the sum of the alternating series the sum from n equals 0 to infinity of the quotient of negative 1 raised to the nth power and the quantity 2 times n factorial within an error of 0.0001. Type your answer in the space below and give six decimal

math please help 9th grade
Which sum will be irrational? (1 point) 3 + 2 start root 19 end root plus start fraction 7 over 2 end fraction Start Fraction 18 over 3 End Fraction plus Start Fraction 11 over ten thousand End Fraction. –6 + (–3.251) Which product will be rational? (1

physics
Two vectors have magnitudes 3.0 and 4.0. How are the directions of the two vectors related given the following conditions? 1) The sum has magnitude 7.0. (a)They both point in the same direction. (b)They each point in opposite directions. (c) They are

Math
1. which is a rule that describes the translation of point from (5, 4) to (1, 2) A (x,y) > (x  4, y  2) B (x,y) > (x + 4, y  2) (my answer) C (x,y) > (x + 4, y + 2) D (x,y) > (x  4, y + 2) 2. the ordered pairs (2, 17) and (5, 35) are

physic
Three vectors are shown in the figure below, but they are not drawn to scale. The sum of the three vectors is R = F1 + F2 + F3. If Ry = 0 and F2 = 0.2F3, find Rx in terms of F1. the Answer Keyis 0.327.can somebody show me how to get to the answer key. I

Algebra 2
Describe an infinite geometric series with a beginning value of 2 that converges to 10. What are the first four terms of the sequence? a{1} = first term of series ∞ Infinite Sum = ∑ a{1} • r^(n – 1) = a{1} ⁄ (1 – r) ... for any geometric series

MATH
MY DAUGHTER IS IN 3RD GRADE, AND I NEEDED HELP ON A QUESTION, STEVE'S BIRTHDAY IS BETWEEN MAY 23. THE DATE OF HIS BIRTHDAY IS NOT AN ODD NUMBER. THE SUM OF THE DIGITS IS 9. WHEN IS STEVE'S BIRTHDAY?? PLEASE HELP ME WITH THE ANSWER I DO NOT UNDERSTAND.

Math
(1.) 7 2/7 x 3 7/9 (use benchmark to estimate the sum difference or product A 32 B 28 (My answer) C 24 D 21 (2.) Find the sum 3/9 + 4/9 A 7/9 B 7/18 C 7/81 (my answer) D 2/3 (3.) Find the Sum 14 2/9 + 11 2/3 A 25 8/9 B 25 1/9 C 25 1/6 (my answer) D 25 2/3

Algebra
My answer *** What is the product of (–6.8)2? a. –13.6 b. 46.24*** c. –46.24 d. 13.6 2. Simplify the expression  Square root 196 . a. 98 b. –14*** c. 14 d. 392 3. Simplify the expression square root 100/49 . a. 10/7 b. 17*** c. 5/7 d. 20/7 4. Find

Precalculus
Find the sum of 20 (summation notation symbol)k=1 then (3k5) If you mean the sum of the first 20 terms, beginning with k=1, of ak = 3k  5, that would be 20 x 5 = 100 PLUS the sum of the first 20 terms of ak = 3k The latter is 3 times the sum of

Geometry Check please
Is the following definition of complementary angles reversible? If yes, write it as a true biconditional Complementary angles are two angles whose sum measures to 90 degrees  The statement is not reversible  Yes, if angles are complementary, then their

physics
A block is released from rest at point A and slides down a curved slope to point B, then continues until it comes to rest at point C. There is no friction from point A to point B, but there is friction from point B to point C. It stops in a time t as it

Calculus
Function f(x) is positive, decreasing and concave up on the closed interval [a, b]. The interval [a, b] is partitioned into 4 equal intervals and these are used to compute the left sum, right sum, and trapezoidal rule approximations for the value of

Probability
Roll 3 dice. What is the probability of getting a sum of: A) sum of 7: 15/216 B) sum of 8: 21/216 C) sum of 11: 27/216 D) sum of 12: 25/216 Are these correct? How many ways are there to choose 3 numbers ranging from 1 to 6 such that the sum is N? Consider

Physics
Three vectors, each have a magnitude of 30 units, have their tails at the same oint and are directed 120 degrees from each other. Make a statement concerning the sum of these three vectors. a) the sum vector is 0 b) the sum vector is greater thatn 30 c)

Math
A psychologist designs an 8item pain survey asking athletes to identify their level of pain after a football injury. She is considering a 5point scale. How many different ways could a person answer the survey? There are 58 possible ways to answer the

Math
Hi! I just want someone to check my answers please! I cannot provide you with any pictures as I have gotten them off of my schools website. You cannot access these pictures because you have to be logged in. 1. Andrea drew triangle JKL as shown. A. The sum

Halp me or i fall
Write the number that makes the statement true. 1. 205.5 m = _____ mm (1 point) 205,500 0.2055 20.55 20,550 2. 199.2 km = _____ m (1 point) 199,200 19.92 19,920 0.1992 Use benchmarks to estimate the sum. 3. + (1 point) 2 1 0 Estimate the difference. 4. 6

math
Write the number that makes the statement true. 1. 205.5 m = _____ mm (1 point) 205,500 0.2055 20.55 20,550 2. 199.2 km = _____ m (1 point) 199,200 19.92 19,920 0.1992 Use benchmarks to estimate the sum. 3. + (1 point) 2 1 0 Estimate the difference. 4. 6

ms.sue math
Which sum will be irrational? a. 3 + 2 b. √19 + 7/2 ****** c. 18/3 + 11/10000 d. –6 + (–3.251) Which product will be rational? A.17.12 * 33 ***** B. √ of 3 * √ of 9 C.4*pie D. √ of 20 * 15 A whole number is added to a number with two digits

math
If two dice are rolled, what is the probability that their sum will be a number greater than 5 ? [A]1/6 [B]1/3 [C]13/18 [D]5/6 [E] None of these. i think it is c am i right? 13/18 so i am right? What is the probability the sum is 2,3,4 or 5? If you find

probability
two fair sixsided dice are rolled and the sum of the dots on the top faces is recorded. a) complete the table, showing the number of ways each sum can occur sum: 1 2 3 4 5 6 7 8 9 10 11 12 ways:1 2 3 b)use the table to find the probability of the

math
significant numbers 2.8723 * 1.6 = 4.59568. Is it 4.6 because it is the smallest number you are multiplying it by in the sum? e.g. 2.8723 has 5 signifigant figures but 1.6 has 2 so the answer has no more than 2.Smallest number of significant figures. With

math
Q: Corbin is playing a board game that requires rolling two number cubes to move a game piece. He needs to roll a sum of six on his next term and then a sum of ten to land on to the next two bonus spaces. what is the probability that Corbin will roll a sum

Chemistry(Please check)
1) Where in the phase diagram of a compound do all phases exist together? a) at the sublimation point b) at the boiling point c) at the melting point d) at the critical point e) at the triple point I chose answer E, the triple point. Is this correct?

physics
A 64.0 kg person stands on a lightweight diving board supported by two pillars, one at the end of the board, the other 1.20 m away from the end. The pillar at the end of the board exerts a downward force of 829 N. How far from the pillar at the end of the

Math for Educators
Find the sum of the sequence. 38+39+40+41+...+137 The sum is? My answer 175(99)= 17,325 Is this correct? If not how do I get the correct answer?

Math
1. Find two numbers whose sum is 84 and one number is 18 more than the other. Answer: 8418=2x x=33 84+18=2x x=51 2. A board 125 inches long is to be cut into two equal parts so that one part is 4 inches less than twice as long as the other part. Find the

math
Consider an equilateral triangle with points located at each vertex and at each midpoint of a side. (See picture.) This problem uses the set of numbers {1, 2, 3, 4, 5, 6}. Place one number at each point. Call the sum of the three numbers along any one side

Physics
Consider a heavy rope with mass per unit length 2.10 kg/m; a length L=18.00 m of the rope is hanging vertically from a support, as shown. If the support and rope are placed in an elevator accerlerating downward with a=0.800 m/s^2, what is the tension in

PHYSICS REPOST
Consider a heavy rope with mass per unit length 2.10 kg/m; a length L=18.00 m of the rope is hanging vertically from a support, as shown. If the support and rope are placed in an elevator accerlerating downward with a=0.800 m/s^2, what is the tension in

Calculus
The series the summation from n equals 1 to infinity of the quotient of negative 1 raised to the n plus 1 power and n is convergent. Use the Alternating Series Test to find an upper bound on the absolute error if the 7th partial sum is used as an estimate

Algebra
Ursula wrote the sum 5.815 +6.021 as a sum of two mixed numbers. part A. What sum did she write? b. Compare the sum of the mixed numbers to the sum of the decimals? Please answer both questions thanks

trig
I have these sum and product property problems and I just want to make sure my work is right. Write equations expressing 1. cos 37degrees cos99degrees as a sum Answer: sin136+(62) 2. sin4+sin7 as a product Answer: 2sin5.5 sin1.5 3. cos 8x  cos 2x as a

CHEK MATH PLZ!!!
The sample space for a roll of two number cubes is shown in the table. (1,1)(1,2)(1,3)(1,4)(1,5),(1,6) (2,1)(2,2)(2,3)(2,4)(2,5)(2,6) (3,1)(3,2)(3,3)(3,4)(3,5)(3,6) (4,1)(4,2)(4,3)(4,4)(4,5)(4,6) (5,1)(5,2)(5,3)(5,4)(5,5)(5,6)

math help please
Which sum will be irrational? (1 point) 3 + 2 start root 19 end root plus start fraction 7 over 2 end fraction Start Fraction 18 over 3 End Fraction plus Start Fraction 11 over ten thousand End Fraction. –6 + (–3.251) Which product will be rational? (1

math help ms sue please
Which sum will be irrational? (1 point) 3 + 2 start root 19 end root plus start fraction 7 over 2 end fraction Start Fraction 18 over 3 End Fraction plus Start Fraction 11 over ten thousand End Fraction. –6 + (–3.251) Which product will be rational? (1

college math
I do not understand a problem from a text book or how to solve the problem for the answer. Could shomeone show me the steps (show work) on how to solve this question. The sum of the intergers from 1 through n is n(n+1)/2. the sum of the squares of the

algebra
a whole number is added to a number wih two digits after the decimal point. To make sure he answer is reasonable, how many digits should the sum have after the deimal point? a. none ** b. 1 c. 2 d. infintely many

guess and check
there are 42 question on lindas test. sum of the questions are 2 point and sum were 3 points. she got a perfect score

Emergent computer tech.
1. What file is being called by this IMG tag? (1 point) answer= SRC 2. What type of link is used to call this file? (1 point) answer=need help with this one 3. If the user loads this graphic in a textonly browser how will the browser describe it? (1

Reply to grant about a regression problem
This is a reply to the question posted here http://www.jiskha.com/display.cgi?id=1178989522 As I explained there, you can find the parameters by defining: x1 = Sin(0.49 t) x2 = Cos(0.49 t) and treat this as an ordinary linear regression problem. If we

Math
I'm so lost with this problem! Please help!! 1/5+1/10+1/20+1/40+... A It diverges; it has a sum B It diverges; it does not have a sum C It converges; it has a sum D It converges; it does not have a sum. I believe that it is answer choice d, not all

english
For the following questions, match each word to its definition by filling in the correct letter. wise deceptively charming enormous passion sound; fit competing aweinspiring sinister; threatening Use the word bank to answer the question. 4. ardor (1

Math....Please help I have a deadline for tonight!
Use the geometric sequence of numbers 1, 1/3, 1/9 , 1/27… to find the following: b) Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 10 terms? Carry all calculations to 6 decimals on all assignments.

Calculus
Check my answer! How many terms of the series the summation from n equals 1 to infinity of the quotient of negative 1 raised to the n plus 1 power and n do we need to add in order to find the sum with an absolute value of its error to be less than 0.05? (4

Math HELP!
Point 1 (x1,y1)= (3,2) Point 2 (x2,y2)= (5,6) Slope: m=rise/run ; m=y2y1/xsx1 ; m= 62/53 = 2 m=2 Point slope form: (yy1)=m(xx1) I used point 1 so, y2=2(x3) Answer: y=2x4 and the answer would be the same if I used point 2 (5,6) MY QUESTION IS:

AP Calc for Reiny
You did just fine and your second derivative is correct, if you meant (6y^2  4x^2)/(9y^3) except they took it a bit further. notice your numerator is 4x^2 + 6y^2 from the original 2x^2  3y^2 = 4 , then 4x^2  6y^2 = 8 , and 4x^2 + 6y^2 = 8 to get

Statistics
How would you do this problem The following is a list of ten measurements: 35,36,38,18,73,9,0.67,64,59 10 over Sum under that is i=1 then sum33xi how do I find the answer

MATH
Expand f(x)=ln (1+x/1x) in a Taylor Series about x=0. You must express your answer using summation notation. This is what I tried to do So I was thinking of taking the derivative of ln(1+x/1x) and get 2/x^21 And then use the identity 1/1x= sum

guess and check
there are 42 question on lindas test. sum of the questions are 2 point and sum were 3 points. she got a perfect score. how many 2 question where there and 3 point questions were on lindas test

Calculus
Find the sum of the series the series from n equals 1 to infinity of the quotient of negative 1 raised to the n minus 1 power and n squared correct to two decimal places. Type your answer in the space below and give 2 decimal places. If your answer is less

Advanced Algebra
Max has just won some money on a game show! He has the option to take a lump sum payment of $500,000 now or get paid an annuity of $4,900 at the beginning of each month for the next 10 years. Assuming the growth rate of the economy is 2.9% compounding

math
Use the figure shown to answer the question. Identify the point where AP and LN intersect. A. Point E B. Point A C. Point N D. Point G PLSSS HELP I NEED A DAY OFF WITH MY MUM FO RONE DAY SO WE CAN HAVE FUNNNN PLSS HELP ME GET THIS DONE

Math
Please check my answers With two parallel lines cut by a transversal, the number of pairs of alternate interior angles is equal to the number of pairs of corresponding angles. (1 point) Always Sometimes Never *I think the answer is sometimes Opposite

Algebra II
Please check my answers With two parallel lines cut by a transversal, the number of pairs of alternate interior angles is equal to the number of pairs of corresponding angles. (1 point) Always Sometimes Never *I think the answer is sometimes Opposite

Calculus Infinite Geometric Series
So this is what Im basically doing, I got how to do Number 1 and 2. This is the way I did it. Im supposed to find the common ration and the sum number. 1. 4 + 2 + 1 + ... The Common ratio is 0.5, so in decimal form it would be 1/2. I sort of get confused

Math
Ursula wrote the sum 5.815 + 6.021 as a sum of two mixed numbers. A. What sum did she write? B. Compare the sum of the mixed numbers to the sum of the decimals.

Calculus
Determine convergence or divergence for the following series. State the tests used and justify your answers. Sum (infinity, n=1) 1/(1+e^n) Sum (infinity, n=1) (2*4*6...2n)/n! Sum (infinity, n=0) (n6)/n Sum (infinity, n=0) (n6)/n! Sum (infinity, n=0)

Geometry
Consider the following figure. A number line with point A at negative 2, point B at negative 1, point C at 1, point D at 3, point F at 4.5, and point G at 6. Find AD, CG, and BD. Enter your answer as three numbers. Separate the numbers by commas, like

Probability plz help
Roszena rolls two standard sixsided dice. If the sum of the numbers on the top faces is not 6, what is the probability that the sum is 7? Express your answer as a rational number in lowest terms.

Algebra please help answer
Ursula wrote the sum of 5.815 plus 6.021 as a sum of two mixed numbers? A. What sum did she write? B. Compare the sum of the mixed numbers to the sum of the decimals? Please help answer ASAP. Thanks

Trig
I have these sum and product property problems and I just want to make sure my work is right. Write equations expressing 1. cos 37degrees cos99degrees as a sum Answer: sin136+(62) 2. sin4+sin7 as a product Answer: 2sin5.5 sin1.5 3. cos 8x  cos 2x as a

math
The following is a list of 11 measurements: 78, 1, 92, 24, 59, 21, 51, 2, 65, 37, 11 . Find 11 over sum,under sum i=l than Xi over 14 Round your answer to at least two decimal places. I get a sum of 231, now this is where I am confused. Do I divide or

help please with math thanks
Which sum will be irrational? (1 point) a.3 + 2 b.start root 19 end root plus start fraction 7 over 2 end fraction c Start Fraction 18 over 3 End Fraction plus Start Fraction 11 over ten thousand End Fraction. d. –6 + (–3.251) Which product will be

ms sue math help please or anyone
Which sum will be irrational? (1 point) a.3 + 2 b.start root 19 end root plus start fraction 7 over 2 end fraction c Start Fraction 18 over 3 End Fraction plus Start Fraction 11 over ten thousand End Fraction. d. –6 + (–3.251) Which product will be

Calculus
Find the value of the summation from n equals 0 to 5 of the sum of 2 plus 2/2^n. Type your answer in the space below and give 2 decimal places. If your answer is less than 1, place a leading "0" before the decimal point (ex: 0.48). (20 points)

statics equilibrium
hey every1, any1 know how to do statics questions? i have a few virtual work questions i have to get right by 2moro or i'll fail my course! please help... There are several engineers here who can assist. At What point from the left end should a uniform

Statistics (Box Method)
I have two questions where I keep getting the last parts (question #1 [e], question #2 [f]) wrong. I have all the other answers right so I'm not sure what I am doing wrong with these two. I went ahead and wrote all the parts down as well as the answers and

algebra 2
Find the equation that is satisfied by the set of points such that the sum of the distances from the point to (2,0) and (2,0) is 6. Express your answer in standard form.

Math
First of all, sorry to post a similar question to the one I asked before. I do not know if that is allowed, my apologies. Calculate the sum from k=1 to infinity (or n) of (k^4)  (k4)^4 The book says that the answer is n^4, but I find this incoherent as

Algebra
A whole number is added to a number with two didgets after the decimal point. To make sure the answer is reasonable, how many didgets should the sum have after the decimal point ? A  none B  1 C 2 D infinitely many

Math
A pair of dice are rolled and the sum on their upturned faces is recorded. What is the probability that the sum showing is 8, given that one die is showing a 5? Answer: 1/6. Did I come up with the right answer? Thanks.

PreCalculuscheck answers
How many ways can 5 students be chosen from a group of 4 juniors and 6 seniors to be on the prom committee if exactly 3 students must be seniors? Answer: 5400 Find the probability of getting a sum of 5 on the first toss of two number cubes and a sum of 6

Alg. 2
I know how to graph polynomial functions, but i'm having a hard time getting the second point on this one. f(x)=x(x1)(x+2)(x+2). I graphed my zeros and made the right arrow go up and the left arrow go down. I plotted my first point by pluggin in 1. My

AP Calc for Reiny
You did just fine and your second derivative is correct, if you meant (6y^2  4x^2)/(9y^3) except they took it a bit further. notice your numerator is 4x^2 + 6y^2 from the original 2x^2  3y^2 = 4 , then 4x^2  6y^2 = 8 , and 4x^2 + 6y^2 = 8 to get

algebra
Place integers from 112 in on the points and cross sections of a star (David's Star or 2 triangles one opinting up and one ointing down). The sum of each of the six rows must total 26. A 9 is already placed on the top point, a 5 is on the left top point,

Calculus Reimann Sum
Approximate ∫_2^3(x+3)dx via the Riemann sum. Use the partition of five subintervals (of equal length), with the sample point barx_i being the right end point of the ith interval. I attempted this problem and got 40/3, but it's not being accepted. I'm

math
if a sum of money doubles in 8 yrs, in how many years will it triple itself?Is the answer 16? If it is please tell me how to show the workings. I understood the concept but cannot express it.This is a simple interest sum.

Computer  Programming
Please how can I use WATFOR 77 software to code and run the following Fortran program: INTEGER SUM SUM = 0 DO 10 D = 1,7 IF (K.GT.3) THEN SUM = SUM + K ELSE SUM = SUM * K ENDIF PRINT* , SUM 10 CONTINUE END Oh My!!!! Tell me where they are still using

physics134
A ball, with a mass of 0.144 kg, is thrown from the top of a 76.8 m building (point A) at an angle, θ = 65º with respect to the horizontal. The initial speed of the ball is unknown. The ball reaches a maximum height of 12 m above the building after which

Computer Architecture
Assume a simple model for floatingpoint representation is used, the representation uses a 16bit format, 5 bits for the exponent, with a bias of 16, a normalized significand of 8bits, and a single sign bit for the number. I)Show how the computer would

math
Find the Riemann sum associated with f(x)=4x^2+2, n=3 and the partition xsub0=2 xsub1=1 xsub2=2 xsub3=4 of [2,4] (a) when xsubk is the right endpoint of [xsubk1, xsubk] . (b) when when xsubk is the midpoint of [xsubk1, xsubk] please help. i thought

Algebra
Find the sum of all values of a such that the point (a,7) is 3 sqrt 5 from the point (2,1).