Calculate var(Y) A) 92.25 B) 12.45 C) 8.55 D) 19.15

Q: 1. Use a graphic organizer to calculate (6 2). Explain why the product is not 6 2.

A: Expanding Binomial using graphic organizer.

Q: 2. Add the following: b) 799twelve 14631 seven + 6040seven a) + 218rwelve 3215six d) 11011two 423…

A: The values written in letters are quite confusing.. So i solved in both ways..

Q: When 6 is added to four times a number, the result is 50. Find the number A) 10 B) 11 C) 12 D) 13

A: Let a number x.

Q: is b) why did not you multiple c by 3?

A:

Q: ir -1+++*- then 1++ -- If

A:

Q: 60 68 C) The value of x is

A: In the given right triangle  Base = x Height = 60 Hypotenuse = 68

Q: 4) 6.3 mi 15.4 mi

A: Just use Pythagoras theorem and you are done.

Q: ydy 4) 5) 5-y

A: (4) Let I=∫-1071-ydy. We can rewrite this integral as the following. I=∫-1071·7-ydy=7∫-107-ydy Use…

Q: b) т? — 9т + 20

A:

Q: What is the average of the following numbers? 2, 5, 8, 1 (A 4.5 3. 5,

A:

Q: Could you please do C) as well

A: A 26 foot ladder is lowered down a vertical wall at a rate of 3 feet per minute. The base of the…

Q: H.W.2 Find the ValuesafCXtthat make 830

A: In this question we will use basic of calculus i.e concept of convergence of infinite series. We…

Q: Find the reminder when 3241 is divided by 5.

A: Checking the unit digit only we get, 31 -> 3 32 -> 9 33 -> 7 34 -> 1 Then after 4 the…

Q: 11) If x=4, the value of 4x +(x+ 11 A) 28 C) 4 B) D)

A:

Q: 1. Simplify: a) v27V3 b) Vm7Vm³ c) VnVn8

A: a)  273=3×3×33              =3×3 273=9   b)  m7m5=m×m×m×m×m×m×mm×m×m×m×m…

Q: 一 4)72 32

A:

Q: The value of (-64)° is 1 A) 16 C) 16 B) -16 D) 512

A: We have to step by step simply the expression.

Q: Simplify as much as possible: In(e2AB)

A: Given:          lne2AB

Q: Find the reminder when 3241 is divided by 5. a) 0 b) 1 c) 2 d) 3 e) Select one: a ООО О о

A:

Q: If a number is increased by 40%, what percentage is the new number of the original number? A) 140%…

A:

Q: for b) where did you get 65

A: n = 10  The 95% confidence interval is 65±12 The mean is given in the question as 65 The mean = x¯ =…

Q: Simplify. 400 4 A) B) 10 C) 20 D) 50

A: We have to simplify

Q: Is 1326 a a triangular number? What about 1.37.8?

A: 1326 is the 51st triangular number because  and  is 1 more than 51.Similarl,1378 is the 52st…

Q: A fence is composed of x posts, each of which is 2 cm wide. If there is 4 cm of space between each…

A: The fence consists of x posts. Each post is 2cm wide.  In between x posts there are (x - 1) spaces…

Q: 6. Calculate. Give your answers in simplest fraction form and show all calculations: a) 1. 15 -2 s…

A:

Q: Write each as a fraction. 11) 0.81 12) 0.13 13) 0.25 14) 0.5

A: We use the basic property of removing decimal , to get desired fraction.

Q: of 45

A: The entire number or the complete number is the whole part. When the whole part is divided into…

Q: a) 7* = 76 b) 2% = 163 c) 3(4*) = 24

A:

Q: -12)

A: This question is taken from the algebra in which we have to find simplify the form of the given…

Q: 53%

A:

Q: 3) Which expression is equivalent to -?

A: Which expression is equivalent to x63x4-2