Given: mzA = mzB, mzA = 9x- 20,and mzB = 43°Select the reason that bestsupports Statement 5 in thegiven proof.Prove: x = 7Statement:Reason:1. mzA = mzB1. GivenA. Multiplication Property of Equality2. mzA = 9x- 202. Given%3D3. mzB = 43°3. GivenB. Subtraction Property of Equality4. 9x - 20 = 434. Substitution5.[ ? ]C. Division Property of Equality5. 9x = 636. x = 76D. Addition Property of Equality

To select the reason that best supports Statement 5 in the given proof.Given: m∠A=m∠B, m∠A=9x-20°…

Answered: Given: mzA = mzB, mzA = 9x -20, Select…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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b) For each of the following, let A and B be some sets, both subsets of universal set U = {x|x is an integer}. If the statement is true, explain why. If it's false, give an example of A and B which would make it false. - If ACB, then An B = A. - If An B = Ø, then A = 0. If A CB, then B' CA'. - (AUB)' = A'n B'.
YCCTK60H9_eFSwfSgso_emCn ALICIA CHEESE-9.. S Schoology ntro to Right Triangles 22 - 5609199.2 A Add-ons Help Last edit was made 2 minutes ago by M Arial BIUA 11 +. 2 手手主主王 Solve for X in each right triangle: 8. 1) 6.
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Answers attached. Please solve c) vi and vii with full explained working. Thank you.
18. Pentagonal numbers п(Зп-1) a.) The formula for Pentagonal numbers is Pn Use the formula to find Ps, the fifth Pentagonal number. Show your work. b.) Pentagonal numbers can be drawn to look like pentagons, or like houses! Write the next pentagonal number and draw the corresponding picture. Make sure your picture matches what you found in part a! P1= 1 P2=5 P3= 12 P4= 22 P5 = c.) Show that the P2, P3 , P4 and Ps can be split into two shapes, a triangular number and a square number. Hint: the square is the bottom of the house and the triangle is the roof! Circle each part! The first one has been done for you. Ti Sz P2=5 P3= 12 P4= 22 P5 d.) Complete the table below. Pentagonal number | The same as adding the triangular and square numbers.... P2= 5 P3 = 12 Ti+ S2 P4 = 22 P5 = e.) Write the general formula, with the correct subscripts, using the variable, n. Pn = T? + S?
There are 2 parts, The first question with the choices should be the letter for step 2 under reasons and the 2nd question should be the answer for step 5 under statements
If n represents any integer, then an expression representing all angles coterminal with 120° is 120° + If n represents any integer, then an expression representing all angles coterminal with 120° is 120° + (Type an equation using n as the variable.)

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