1. For the following sample of n = 20 scores, calculate the following: a) ΣΧ b) Σχ2 c) Σ2Χ -1

Q: Take a golden rectangle and attach a square to the longer side so that you create a new larger…

A: Given information: Consider the golden rectangle. Attach the square on the longer side. To verify:…

Q: 2vibor = f D А CD is parallel 100 to AB not www9902 Find 4 BCD 2400 ADC 1 B C ZABE

A:

Q: do not know how to start

A:

Q: What is the value of  i) i3i3  and ii)  i6i6

A: Given that  i3i3 I^6i^6 To find the values

Q: The schematic map below shows a portion of a city area, including tunnels and bridges, Is it…

A:

Q: Find all elements of the set [2],n (3]5-

A:

Q: DIAGRAM, RAMARKS AND CONCLUSION.

A: Let's solve.

Q: 5.Find the expression for the perimeter of an equilateral triangle with a side length of…

A: Equilateral Triangle is the triangle with three equal sides and three equal angles of 60° each.…

Q: If A = {1, 2, 3, 7} and B = {2, 4, 5, 7}, then the intersection of A and B is?

A: Given that if          A=1, 2, 3, 7and B=2, 4, 5, 7. then to find the intersection of A and B i.e.…

Q: Which set(s) of tiles could be used to make a perfect square?

A: We have to choose

Q: 3. A total of 1 200 teachers attended a mathematics conference. Early bird registration fee is at 2…

A: Given- A total of 1200 teachers attended a mathematics conference. The Early bird registration fee…

Q: How many sides are pentagon

A: Given,            Sides of a pentagon.To find: How many sides of a pentagon.

Q: Help please

A: To find: x

Q: Saba is x years old. Her brother is 8 years older ,and her sister is 12 years younger than she is.…

A: We are given that Saba is x years old. Her brother is 8 years older. So, her brother's age is x+8.…

Q: Choose ALL answers that describe the quadrilateral K, L, M, NKLMN if m, angle, K, equals, 150,…

A: In geometry, a quadrilateral is a polygon with four edges (sides) and four vertices (corners). There…

Q: The quotient of b and 7 is grater than or equal to 27

A: Given,         The quotient of b and 7 is grater than or equal to 27.

Q: draw and Label the special Triangles (45 degrees − 45 degrees − 90 degrees & 30 degrees − 60…

A:

Q: 7.) The highest point on Planet X is Mount Z. It is 40,256 feet above sea level. To get to the…

A:

Q: 1- Ju du 6.

A:

Q: 7.) The highest point on Planet X is Mount Z. It is 40,256 feet above sea level. To get to the…

A:

Q: 7.) A farmer needs to construct two adjoining rectangular pens, as shown below. If each pen is to…

A: Given, each pen is to have an Area of 1200 Sq ft. We have to find what dimensions will minimize the…

Q: F 55.8 37.44 m 7,4 m 44,4 m 55.8 66.6 m 55 8 4.16 m 24.96 m D 6.12 m 36.72 m 55.08 m (a) For each…

A:

Q: O write ane qu ation for the civcle the given centre (-3,0) and rediu=3 with

A:

Q: Diayonalie he metux Ao and hence find At

A:

Q: please help me solve the pattern   1.) 5, 10, 15, x, 40 2.) 1, 3, 4, 7, 9, x, 16

A: 1) The sequence is given as           5, 10, 15, x, 40       We see,              first number = 5…

Q: Let A = {square, circle, triangle}, B = {hexagon, pentagon} and C = {circle, decagon, pentagon,…

A:

Q: CPCTC and Perpendicular Bisector F EG= HG= 3. EW

A: