Rain

This page lists questions and answers that were posted by visitors named Rain.

Questions

The following questions were asked by visitors named Rain.

a) Is âˆ«[-1 to 1]e^x^3 dx positive, negative, or zero? Explain. I think is positive but i don't know how to explain it. b) Explain why 0 < âˆ«[0 to 1] e^x^2 dx <3. Can you type this equation or whatever in a better format? What branch of math does this p...

Determine a region whose area is equal to the given limit. lim x-> infinity Sigma (n on top, i=1 on bottom) (2/n)*[5+(2i/n)]^10 I started with delta x=b-a/n =5-0/n =5/n The width of delta is 2/n so b-a=2 I'm not sure how you got 5-0/n The integrand looks...

f(x)=x^2 - 5x +7 and g(x) 3/x 1) Indicate points of intersection 2) compute the area enclosed by the graphs of f(x) and g(x). 1) (1, 3) , (3, 1) 2)Area = âˆ« [1 to 3] [(3/x) - (x^2 - 5x + 7)] dx = [3 ln x - (1/3)x^3 + (5/2)x^2 - 7x = 3 ln 3 - 8/3 am i doi...

I need some help on this Calculus question about polar coordinates. Consider a pasture bordering on a straight river. At 2m from the river, a goat is tied to a pole with a 4m long rope. What is the area of grass that the goat can graze? There are a couple...

I really need help on this question. A goldsmith makes a wedding band by taking a gold ball and drilling a wide hole through it. The wedding band has to be 1 cm wide and the hole has to have a diameter of 2 cm. Given that gold weighs 19.32g/cm^3, how heav...

Evaulate: integral 3x (sinx/cos^4x) dx I think it's sec<sup>3</sup> x , but that from using a piece of software, so you'll have to verify that. Using uppercase 's' for the integral sign we have S 3sin(x)/cos<sup>4</sup>dx or S cos<sup>-4</sup>(x)*3sin(x)d...

could anybody please explain how sec x tan x - ¡ì sec x tan^2(x) dx = sec x tan x + ¡ì sec x dx - ¡ì sec^3(x) dx What I don't understand about your question is what is ¡ì ? i just want to know if those two equations are equal, if yes, how did one go to th...

title of AIDS on research paper

Whats the midpiont formula? I am totally blanking and i need it asap

How do you say behind in spanish?

How do you say 'he is allergic to' in spanish? I think it would be something like this: el esta' (hower you say allergic to)los flores, but im not sure

Find the possiable measures for line segmant xy in triangle xyz if xz is 6 and yz is six. Im really confused- if you could explain this i would really appericate it! Thanks!

Im having a stupid moment and i cant figure this out- x-1 x-2 --- + ---= 1 2 3 assume the ---- is a division bar

Im confused about the directions on my hw. I cant really figure out what im supposed to do. This is what it says- Las siguientes personas quiseron hacer varias cosas el sabado pasado. En lugar de eso, tuvieron que hacer cosas diferentes. Expresa eso. The...

I need some answers for my science essay... We have a research report and I cannot find these answers ANYWHERE. The sport I chose for the assignment was Quidditch (awesome, right?) and I cannot find work for a bludger, quaffle, golden snitch, or players....

Three charges (q1 = 8.7 nC, q2 = -7.2 nC, and q3 = -4.8 nC) are at the corners of a square of side a = 9.2 cm, as shown in the picture. Determine the magnitude of the resultant electric force on each charge.

A thin rod L = 9.0 cm long is uniformly charged and has a total charge of 4.4 nC. Find the magnitude of the electric field at a point P located at a distance R = 13.5 cm from the center of the rod when: (a) The point P lies along the axis of the rod Elect...

Suppose that r, red, and sc, scarlet, are two recessive eye-color mutations that lie 20 map units apart on the Drosophila X chromosome, and that each causes a red eye color in place of the wild type purple color. A. If a female from pure-breeding rr stock...

Compare the forms of locomotion used by the 4 phyla of animal like protists? Describe the process of conjunction . Is conjunction a form of reproduction? Explain In what ways are animal like protists helpful to other living things?

Please could you help me on my question:)

Factor: A.). 4(3x+1)^2 -5(3x+1) +1 B.) 5(2-3x)^2 -28(2-3x)+15 C.) 2(3a-4)^2 - (3a-4)(a+2)-6(a+2)^2

A scientist observes that termites are fed a certain antibiotic die a starvation after a few days. The scientist also notices that certain protists that live inside the termites guy are affected by the antibiotic in a peculiar way: although the protists c...

Reaction 6 1. Place a piece of mossy zinc in a test tube 2 add hydrochloric acid solution to the test tube until the mossy zinc is completely covered What gas was released in reaction 6 and how could you test the gas to confirm its identity?

H2O2+MnO2 -----> MnO2 + H2O Is my work correct?

Hi, I'm confused about an assignment. I'm not sure what to do and would like some help. An example: Write a program that obtains two integer numbers from the user. It will print out the sum of those numbers. Pseudo code: Prompt user to enter first integer...

Find the Lateral area in cm square of the following right pryramid. 1. Base is regular octagon of side 20cm and altitude of 20cm. 2. Base is regular hexagon of side 20cm and altitude of 30cm. 3. Base is regular hexagon of side 30cm and slant height of 50c...

Three friends drove radio controlled cars around a track. The table below shows the number of laps completed by each person and the time it took. Latoya Mary Melissa Number of laps 9 30 20 Time (minutes) 3 6 5 Write the number of laps completed per minute...

How did the supreme court decision in Worcester v Georgia and the Indian Removal Act lead to the removal and resettlement of native American groups? please help me with this all i want is help getting started or a sample essay

0.25 mol dm-3 solution of hydrochloric acid?

In a right rectangular pyramid with base edges a=18 cm and b=10 cm the slant height towards a is k=13 cm while the slant height towards b is l=15 cm. Find: The surface area of the pyramid

The Bay of Fundy in Nova Scotia, Canada is reported to have the largest tides in the world with high tide and low tide occurring two times per day. The tides can measure over approximately 50.0 ft in height. At the Hopewell Rocks at Hopewell Cape, on a sp...

You mix the letters S, E, M, I, T, R, O, P, I, C, A, and L thoroughly. Without looking, you draw one letter. Find the probability that you select a vowel. Write your answer as a fraction in simplest form. (1 point) twelve-fifths Start fraction 5 over 12 E...

Find the 6th Term of the Sequence Using the Formula: 2 points an = 2(3n-1)

Answers

The following answers were posted by visitors named Rain.

title in AIDS introduction

slope= y= mx+b midpoint= (Y1-Y2/2), (X2-X1)/2

angle addition postulate- is there is an angle that is divided u take the measurements of the two angles that are created and add them together

Here are the steps: 5x-14<2x+7 add 14 5x<2x+21 subtract 2x 3x<21 divide by 3 x<7 you just need to make sure that what ever you do to one side you do to the other

the straight line is a division sign one sec and ill figure out how to solve it

10/x+x=7 multiply times 10 x+x=70 add the xs 2x=70 divide x=35 i think... its been a while

again... 7x=4x+21 subtract 3x=21 divide x=7

minunite men in the revolutionary war or a malitia

what do you mean? that's hard to fallow...

does this help at all?

Pb is 1/4 of Pa if that helps, but i don't really understand what you or maybe the question is asking

In the question you are dealing with a 1/2 probability rate, so in a-it wouls be 2 of the 1/2 rates which is 25% b-it would be the same b/c its still two 1/2 senerios, so 25% again c-same thing 25% d-this is a 75% chance b/c the secod child is still an un...

i would get a calculator.... i got 6(+or -) 5.291502622

figured it out- its atra's de

you really shouldnt just post every question on your hw sheet...

2x+(x-7)=8 you have to substite the equation for y into the problem

1- its 7 2- its 12 this is bc they are the greatest #s that can go into the two origional #s if that makes any sense

it sounds like a font end estimation would be more exact bc depending on which digit ur rounding to the answer could be uber off

This may be wrong- i havent taken phisics yet, but it makes some sense- because a blind spot is relativelly small it would be difficult to completely lose sight of an object because of the size difference, and also a persons eyes are constantly moving. Fo...

because helium has a lower density the oxygen- ie the molecules weigh less in helium

Cost- the upfont cost of building, for example, a subway would be extremely high and most cities would not be able to affford it- even if it was eventually paid up. the debt would be too high

I would go with 24 but im not really sure ekkk

12 grams or 12x the variable g

Thanks a bunch!

ur deviding by -7 so the sign would be flipped to < and it would be -5<x

i copyed the responce and made teth edits in (). The book "We are all welcome here” by Elizabeth Berg relates to the time era of Elvis Presley and his home town. The narrator and the protagonist of the book is a 14 year old girl named Dianna Dunn. In my o...

this is imposible uless it is a right triuabgle. You need to knw the height. formula is: b*h A= ---- 2

think i figured it out now- thanks to everyone who tried i appericate it :)!

216*1.6 sorry don't have a calc but that will give u the answer

Ah! Okay then! I see what you mean now. Thank you so much for making that clear. I was confused for a bit there. XP Thank you so very much!

please help! I need work done, so distance and speed for anything quidditch!

Order, clockwise- q1, q2, q3.... Could you explain the procedure in words?

Never mind Elena, when I wrote it out on paper it made sense. Thank you very much! :)

I had the same question on a test, I also chose A and it was wrong.

The answer is 180

thank u so much :)

9/3-Latoya 30/6-Mary 20/5-Melissa

anonyMOUSE IS NOT CORRECT! I GOT 5/21 these are the correct answers: d a b b d a c a b c a b b b b a a c d d a

The answers are correct, except for 5. Which is C

Does anyone know what test these answers go to?

RPC stands for rectangular coordinate plane

Lun you are awesome!

the answer is 12 cm

Zn(OH)₂ (s) ⇌ Zn²⁺ (aq) + 2OH⁻ (aq) Kₛₚ = 3×10⁻¹⁵ Zn²⁺ (aq) + 4OH⁻ (aq) ⇌ Zn(OH)₄²⁻ (aq) Kf = 2×10¹⁵ ________________________________ Zn(OH)₂ (s) + 2OH⁻ (aq) ⇌ Zn(OH)₄²⁻ (aq) K = (Kₛₚ)(Kf) = 6 [OH⁻] [Zn(OH)₄²⁻] I 0.20 0.00 C -2x +x E 0.20-2x x K = [Zn(OH)...

Thank you for your help, the answer I got was 5.15 x 10^-4 from doing 6.08 ft/hr * (0.3048 m / 1 ft) * (1 hr / 60 min) * (1 min / 60 sec) = 5.15 * 10^-4 m/s Your work helped me get on track for how to solve the problem so thank you again.

You roll a standard number cube once. Find P(0). (1 point) 7/6 1 1/2 0 Explain

Use the following information for problems 3 and 4. From a barrel of colored marbles, you randomly select 7 blue, 5 yellow, 8 red, 4 green, and 6 purple marbles. 3. Find the experimental probability of randomly selecting a marble that is not yellow. Write...

From a barrel of colored marbles, you randomly select 7 blue, 5 yellow, 8 red, 4 green, and 6 purple marbles. 4. Find the experimental probability of randomly selecting a marble that is either green or purple. Write your answer in simplest form. (1 point)...

Clarissa is having lunch at a sandwich shop. She can choose white bread or pumpernickel bread. Her options for fillings are turkey, tuna, ham, or egg salad. Her choices for condiments are mayonnaise, salad dressing, or mustard. How many different sandwich...

Janelle wants to buy a shirt for a friend. Her choices of material are polyester and cotton. Shirts are available in yellow, orange, and blue. Make an organized list showing the different choices Janelle has. (1 point) six clothing options three clothing...

Shoe Bargain Corner Types Colors Walking Basketball Cross-Trainer Badminton Baseball Black Blue Red White Silver You notice the sign above at a mall. a. How many different type/color combinations does the store offer? b. Suppose the store has equal number...

Which tree diagram shows the possible outcomes of choosing either black or gray shorts and a blue, green, white, or red T-shirt? (1 point) shorts and T-shirt tree diagramThree headings are written across the top of the image: Shorts, T-shirt, and Outcome....

I got 63% but I chose two different ones from what bot said and all bots are correct except four

There are 30 marbles in total, and 6 of them are green or purple. Therefore, the experimental probability of randomly selecting a marble that is either green or purple is 6/30, which simplifies to 1/5. Answer: B. one-fifth This is the wrong one What is th...

No that's wrong again!

The one above you just answered

NO NO NO WRONG AGAIN!!!!!!!!!!!😡😡😡😡

THE ONE YOU JUST ANSWERED ITS NOT 1/5 OR 2/15

FINALLY its correct 4.Answer 1/3