Need help on 20 and 21 IULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.press the number in terms of i.A) V3 iB))3iC) -3iD) V3 i20 N-14A) V14 iB) -V14 iC) V14iD) -14i21 V-50A) 52iB) -5/2 iC) 10iD) 25 iId or subtract as indicated and write the result in standard form.22 (5 -6i)+ (9 +9i)A) 14 +3iB) 14 - 3iC) -14-3iD) -4+15i23 (9 +5i)- (-8 +i)A) -17- 4i17+4iB) 1+6iD) 17- 4i74 Bi +(-7- i)

Answered: Image /qna-images/answer/d5bd5230-86ae-423c-b03a-e611de024845.jpg

Answered: 20 N-14 A) V14 i B) -V14 i C) V14i D)…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

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

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

ChapterA: Appendix

SectionA.5: The Quadratic Formula And Square Root Properties

Problem 35E

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Similar questions

In the illustration, point M is the midpoint of the hypotenuse of right triangle AOB. Show that the area of rectangle OLMN is one-half of the area of triangle AOB.
Show that there is no triangle for which a=4 feet, b=14 feet, and A=60.
a Does the similarity relationship have a reflexive property for triangles and polygons in general? b Is there a symmetric property for the similarity of triangles and polygons? c Is there a transitive property for the similarity of triangles and polygons?
Quadrilateral ABCD has AB-DC- and AD-BC-. Using intuition, what type of quadrilateral is ABCD?
In Exercises 44 and 45, use the formula from Exercise 43. Similar triangles were used to find h and H. A margarine tub has the shape of a frustum of a cone. With the lower base having diameter length 11 cm and the upper base having diameter length 14 cm, the volume of such a container 623 cm tall can be determine by using H=3223 cm, h=26 cm. Find its volume. A frustum of a cone is the portion of the cone bounded between the circular base and a plane parallel to the base. With dimensions are indicated, show that the volume of the frustum of the cone is V=13R2H13rh2
Draw and then trisect AB. Use the construction method found in example 7.
a Is it really necessary to construct all three bisectors of the angles of a triangle to locate its incenter? b Is it really necessary to construct all three perpendicular bisectors of the sides of a triangle to locate its circumcenter?
In Exercises 44 and 45, use the formula from Exercise 43. Similar triangles were used to find h and H. A container of yogurt has the shape of a frustum of a cone. With the lower base having diameter length 6 cm and the upper base having diameter length 8 cm, the volume of such a container 7.5 cm tall can be determined by using H=30 cm and h=22.5 cm. Find its volume. A frustum of a cone is the portion of the cone bounded between the circular base and a plane parallel to the base. With dimensions are indicated, show that the volume of the frustum of the cone is V=13R2H13rh2

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20 N-14 A) V14 i B) -V14 i C) V14i D) -14i 21 V-50 A) 5zi B) -52i C) 10i D) 25 i