The principal of a school claims that 45% of senior high school students sleep for 10 hours daily. A survey among 200 senior high school students revealed that 120 of them sleep for 10 hours daily. In words: Но: На: In symbols: Ho: На:

Q: There is a quiz on SCIENCE today and you are preparing your notes and calculator. Later, you noticed…

A: Solution :      Let us define the following symbols: mr : I was replacing my calculator batteries in…

Q: Match the following quadratic functions to their graphs. 2z? - 5z + 1 -2x + 5z + 1 21 + 5z +1

A:

Q: Answer the following if it is Valid or not: Some professors wear glasses. Mr. Einstein wears…

A: Given statements are,1. Some professors wear glasses.2. Mr. Einstein wears glasses.

Q: 1- If i= v-1 then i5 = %3D

A:

Q: . If an+2 = 6an+1 - 8an + 3 and ao = 3, a1 = 7, then a6

A: We have to solve given problem:

Q: 3) Convert the following mathematical expressions into statement 6x-5

A: Translating the mathematical expression into words

Q: (a) What is the value of u;? The value of u; is (b) What is the value of o;? The value of o; is

A:

Q: a. write the converse of: "if apples are oranges, then 1+3=5."

A: The converse of "if p, then q" is "if q, then p." Here,  p: Apples are oranges q: 1+3=5

Q: Greek science… fill in the blank 1 .. Mathematics in greek’s knowledge system includes Arithmetic,…

A: Greek science… fill in the blank 1 .. Mathematics in greek’s knowledge system includes Arithmetic,…

Q: Step 1: Step 2: Step 3: Step 4: 50 40x + 9x - 7=0 50+ (-40x + 9x) - 7 = 0 50+ (-40 + 9)x - 7 = 0 50+…

A: Now, we adding the additive inverse of 43. So,                 -31x+43-43=0-43⇒-31x=-43⇒x=4331

Q: Evaluate the following expression. 5 5 (EEi+E? + 3)) i=1 i=1 i=1

A: To evaluate the given expression, for i= 1, 2, 3, 4, 5

Q: [1 -2 3 3 4 12 -1 -21

A: Given : Matrix  1  -2  3 3  0   4 2  -1  -2

Q: State whether each statement below is either true or a. {1} c (0,2) b. {1} € (0,2) and C123. d (42…

A:

Q: The notation aj + az + az + + an ak k=1 Σ is an example of notation.

A: The statement: The notation a1+a2+a3+...+an=∑k=1n ak is an example of ___________ notation.

Q: Simplify the given expression. Cite a property from each expression     A − (A ∩ B)   ∩ B − (A ∩…

A: We simplify the given expression.We state  property from each expression.

Q: Find the inverse of the imotriÀ 2. -1o 3 (5 -21 8

A: Let A be the given matrix: A=1-127-10315-218 Inverse for a matrix exists if and only if the…

Q: Which of the following mathematical/logical operations can only be performed for a variable measured…

A: Levels of measurement: The level of measurement is describes the classification of the nature of…

Q: If A - 3 1 determine A?- 2A +I 2

A:

Q: 3. Determine the missing elements of A. -5 -6 6 A-1 2 0. 2. 1.

A:

Q: 6. Determine the all values of the following. (1+ i)i а. b. (-1)i

A:

Q: A multiple choice test contains 8 questions. There are 5 possible answers for each question. How…

A: 1.  A multiple-choice test contains 8 questions. There are 5 possible answers to each question. We…

Q: A- How the sender and receiver exchange their public keys depends on the keys private to each of…

A: Key Generation:Alice: Creates her public key (Alice's Public) and private key (Alice's Private)Bob:…

Q: 3. Simplify the expression 23-3-2-1. O A. 16 OB. 18 O c. 20 OD. 39 4. Simplify the expression 32 5 6…

A:

Q: a. b. Use the properties of conjugates to show that =|z ④ 2 こっころ 2 こっこ

A: Given information Part (a):-   z 4 = z4 Note:- If z = x+iy then z = x-iyz = x2+y2 Note:- If  z = x…

Q: Sin tan/3 4 70 2u

A:

Q: If a, b, and c are real numbers, the associative property of multiplication states that = a(bc).

A: Given a, b, c are real numbers.

Q: Precision Doors is an organization that installs new garage doors on residential homes. Suppose the…

A: Given that, Precision Doors is an organization that installs new garage doors on residential homes.…

Q: What does y=____

A:

Q: Which of the following represents the graph of f(x) = 2* - 5? -7-6-5-4-3-2-1 3 4 5 6 7 -2…

A: Given: To identify graph of fx=2x-5

Q: Calculate A. A.B B. A.C C. A-1

A:

Q: 3) tan C C 40 24 A 32 B

A:

Q: (2+i)(1+3i) - 2+ 4i =

A: we have  2+i1+3i¯-2+4i ....(i) where 1+3i¯ is the conjugate of 1+3i. To find the conjugate of 1+3i…

Q: u; 6ij is

A: In this question, we use the properties of δij. we check the expression is true or false.

Q: the next three terms. g) -2;-5;-8; _; _; 11 7 h) 2; 2. i) 15; 10; 5;

A: To find- Find the next three terms. g) -2 ; -5 ; -8 ;     ;     ;     h) 2 ; 114 ; 72 ;     ;     ;…

Q: If u = -4 then uu" = = -1 5 - 1888 1-1 and uTu=

A:

Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.