Answers by visitors named: Bun

you can do like this: (4x^2-3)^1.5 = (4x^2-3).sq(4x^2-3)dx Let 2x = Sq3.sec(det) so, 4x^2 -3 = 3.sec^2(det)-3 = 3.tan^2(det) new INT= INt(3^1.5tan^3(det)d(det) Use Pythagore to solve the relation between x and the angle det.

6^x2-x-2

sorry I made mistake, the product is 6x^2 -x -2

4x^2 -20x +25

2molK + 1molClgas create 2molKCl nK/nClgas=2/1 5/39:7/31=1.3 so Cl gas excess mClgas(excess) = 7-(5*71/78) = 2.45g

= a*a- +2a -3a -6 = a(a+2)-3(a+2) = (a-3)(a+2)

=x+y/(x+y)(x-y)/48 =48/x-y

{28/3[7/3(x^4/3) +11/5(x^2/5) +13)][x^7/3+11/7x^7/5+13x^7/7]^1/3}

95/100 80/100 3/9 6/8 2/3

Thanh you drwls

85/5.95= 14.28 so se can buy 14 cd the change = 8500-590*14= 170 cents

sure, you can say $1.70

let the number be x so (x+8)(-4)-5=10 -4x-32-5=10 -4x=47 x=-47/4

there are 7 times Sean and Kevin have the probability to be selected as partners.

cos^2 + sin^2 =1 cos^2 = 1-16/25 =9/25 sin theta terminates in quadrant II, so sin>0 but cos <0 therefore cos =-3/5

Yes

(AB^2)/C - B^2 = (B^2)(A/C) -B^2(1) = B^2( A/C -1)

-4y = -3x +4 divide by -4 -4y/-4 = (-3/-4)x + 4/-4 y = (3/4)x -1 the slope is 3/4 and the y intercept is -1

5f^14 and 5f^7 is stable ( 5f^7 : all spin is up), so you cannot drive 5f^8 instead of 5f^7 6d^1

Ho is the element of the Lanthanide series, the Lanthanides have the electrons are arranged into the orbital 4f.If you start from the element La (Z= 57), write the electron configuration of La,Ce(Z= 58),..., to Ho(Z=67) , you will understand why Ho=[Xe]4f11 6s2, it cannot 6s2, 5d1, 4f10 because the electrons are arranged into the lower energy level first, the energy level of 5d >4f

Thank you drwls i am reviewing my chemistry and doing the problems from my textbook. Because my teacher did not have the lecture about this part, so I am reading my text book and trying to solve problems. My textbook only have two problems of this theory: 1/ find how many peaks you would observe in the mass spectrum of the positive ion of CF4^+.( C has 2 stable isotopes, F has 1 isotope) and 2/ Hydrogen has two isotope H1 and H2, and Sulfur has four isotopes S(32), S(33) S (34) and S (35). How many peaks you observed in the mass spectrum of positive ion H2S+ I solved these problems and and checked my answer with the answer key, but I still don't understand a lot. I would like you to explain for me what the optical spectra and mass spectra are,and the difference between them as well as some other examples, please.

Thank you so much drwls

Let x be the orders Harry sold y be the orders McDonal sold x + y = 60 (1) and y/x = 3 (2) s0lve this system x =15, y =45 after increase H. sold 15+15 =30 Mc. sold 15*6 + 45 = 135

This is so easy and I'm a fourth grader. All you have to do TJ is to multiply 78 by 21

A The answer is a

@Anonymous,@anon, @Katie, and others with same answer are correct

@lily did you get %100

1. B 2. B 3. A Got 100%

:))) got 100%

B A B A

A A C 100%

Public Opinion in Democratic Society Quick Check D A and D B

D C A

Thank me foo Thanks got 100%

Second Read: The Trouble With Television C C C B C Got 100%

B, D B A C

A A,C B

A A D 100%

B C A True B I got 100%... thanks smile

@Connections Academy Answer is A 1.B 2.C 3.B & D 4.A These are @helper 's answers Thanks got 100%.

D C D 100% correct

Thanks Pacman C B A B

1.C 2. (part a) B 2. (part b) A 3.D 4.B 5.D 6.B 7.A 8.C 9. Essay Question Got 9/9

D A B and C

C D B Got 100%

Thanks @ haven got 100%

The test changed that’s why no one is right

N/A is still right 1. B 2. C 3. C 4. D 5. D 6. A 7. B 8. C 9. D 10. C

A C B C

D.A.B

B.A.C

A.B.D

C D C & D

A B D

C B B D

a d a a b b c c a b Got 100%

9 is C

Phoenix

@Barry Allen aka the flash Was right I got 100%

D B D C C Lesson 9 Unit 3 the diary of Anne Frank

@Otus from owlboy is right I got 18/18

C C B B D B A B A B A B D B A D C

A D C C B A D C B B C A A A A A D B

Which fact must be true if a relationship is endothermic? More energy is needed to form the bonds on the product side than to form the bonds on the reactant side. The energy of each bond on the reactant side is greater than the energy of each bid on the product side. The bond energy released by breaking the bonds in the reactant S is greater than the bond energy used to form the products. More bond energy is absorbed on the reactant side than released on the product side.

Can someone please help me I kinda need help right now

I really wish someone will help. It’s mainly to check my answers to see what I got wrong before actually submitting it.

D and c are wrong

Does anyone have the answers for 9th grade physical science? The 5 questions

Does anyone have the answers for 9th grade physical science? 5 questions

I kinda just wanna check my answers before I submitted

(Idk if they are right)My answers are: 1. A-the horseshoes have the same mass,but drew threw with more force. 2. C- a10kg box lifted with 60N of force 3. B-Forces acting on it. 4.d-an upward-sloping line drawn on a graph with acceleration shown on the y-axis and force shown on the x-axis 5.c- the object is at rest

Idk if my answers are right

Can someone check my answers

Okay so I submitted it and I got a 4/5 The only one I got wrong was the3rf one it was: A nonzero net force acting on it.

Which of the following was a weakness of the Articles of Confederation? (1 point) Responses Congress could not levy taxes. Congress could not levy taxes. Congress could not negotiate peace. Congress could not negotiate peace. Congress could not raise an army. Congress could not raise an army. Congress could not sell western lands.

What was the purpose of the Northwest Ordinance of 1787? (1 point) Responses to help ordinary farmers obtain land to help ordinary farmers obtain land to strengthen trade with the British Empire to strengthen trade with the British Empire to provide a system of government for the Northwest Territory

Why was it difficult for Congress to fund its operation? (1 point) Responses Congress sold some public land for $1 per acre. Congress sold some public land for $1 per acre. The national government had no President. The national government had no President. Congress relied on contributions from the states. Congress relied on contributions from the states. The national government had no executive branch.

What was the purpose of establishing state governments that were republics? (1 point) Responses to give people a voice in their government to give people a voice in their government to keep power in the hands of the wealthy to keep power in the hands of the wealthy to take power away from landholders to take power away from landholders to give power to strong governors

What was the purpose of the Northwest Ordinance of 1787? (1 point) Responses to provide a system of government for the Northwest Territory to provide a system of government for the Northwest Territory to help ordinary farmers obtain land to help ordinary farmers obtain land to strengthen trade with the British Empire to strengthen trade with the British Empire to allow Native Americans to remain on their land in the territory

20 of 2020 of 20 Items Question In a paragraph, list and describe the three Cs of teamwork, the three elements that are vital to the success of a team.