Mathematics

In math, can area under the curve be negative when...

...you use the trapezoid rule? I hope not. I had a final today and a multiple choice question worth 4 marks asked use the trapezoid rule to approximate the area. I ended with the answer -10, but ther

What is 1+1????????????

2 or the number of points i just got or the number of $ hulk hogan makes now a days. lol-1+1=2 Happy to help!!!-69 repeat sixty-nine!!!!!!!!!!!-2 11 window it all depends on how you view it, there a

Find the number of items sold per month 33 months after the item first becomes available

The sales of a new product (in items per month) can be approximated by S(x) = 325 + 400 log(3t + 1), where t represents the number of months after the item first becomes available. Find the number of

Help with an algebra problem

Use properties of logarithms to expand ln[(∛(e⁶z))/√(x+5)] I know the answer is 2 + 1/3 ln z- 1/2 ln (x + 5) Can someone help?-simple one.u jus need to know basics thats all..EQUATIONS USED ln[(∛(

Geometric series question

A person has 2 parents one generation ago and four grandparents two generations ago and so on. How many ancestors does a person have 8 generations ago?-2^8 = 256 (Assuming no cousins married, which w

Can you help with this pre algebra question

After sorting the data into ascending order, what would be the next thing to find? A. find the median B. separate into quartiles C. find the mode D. find the range Find the first quartile of the data

How to convert r = 4/(1 + 2 cos theta) from polar to rectangular r = 4/1 + 2 cos theta

So far what is solved is x squared + y squared = 4/(1 + 2y).The book has an answer showing a completing the square step and multiplying the conjugate of 1 + 2y on the right side, but there is a cubed

What are the steps in solving this problem

4x^6+32x^3-= 4x^3 (x^3 + 8) = 4x^3 (x + 2)(x^2 - 2x + 4)-.. 4x^6 + 32x^3 = 4x^3 ( x^3 + 8 ) = 4x^3 ( x^3 + 2^3 ) = 4x^3 ( x + 2 ) ( x^2 - 2x + 2^2 ) = 4x^3 ( x + 2 ) ( x^2 - 2x + 4 ) = 4x^3 ( x + 2 )

CAn SOMEONE PLEASE HELP ME SOLVE THIS MULTIPLE CHOICE PROBLEM

A test was given to 120 students, and the scores aprrox. a normal distribution. If the mean score was 72 with a standard deviation of 7, approx. what percent of the scores were 65 or higher? answer c

How to evaluate: log(base n)n,n>1

This is a log property. For all defined values of n log(base n)n always equals 1

63°20' is equivalent to how many degrees? PLEASE HELP

63.33. There are 60 minutes in every degree.

3 math questions, 10 POINTS?:D♥

1.Find the unit rate for number of parts manufactured per hour if 1,630 parts are made in 6 hours. Round to the nearest integer.(1 point) -325 parts/h -272 parts/h -237 parts/h -291 parts/h 2.Write t

Express 2.3 (3 has a line above it) as a fraction

23/10 is not the right answer. Its 2 1/3 or 2/3.23/10 is incorrect because your problem has a line above the 3 which means ongoing. please rate my answer. thanks from Carly ;)-23/10

In triangle ABC, a = 4, b = 7, and c = 9. Determine CosB to the nearest ten-thousandth

(1) 0.7340 (2) 0.2857 (3) 0.6667 (4) -.02857 I got (4) but the answer is (3). Can you explain why?-Using the law of cosines we have: b^2 = a^2 + c^2 - 2ac• cos(B) Solve for cos(B) and we have: (b^2

I need Algebra help! I really don't understand it.

A rocket is launched from atop a 95-foot cliff with an initial velocity of 119 ft/s. a. Substitute the values into the vertical motion formula h = –16t^2 + vt + c. Let h = 0. b. Use the quadratic for