THINK SMARTER Yolanda says 105 is the same as 50 because 0 × 5 equals 50. What was Yolanda's mistake?

Q: What’s 18 x (-2) 15 ?

A: Given: 18 x (-2)15

Q: 19. Which expression is equivalent to 25x - 10x²y? +y - 100

A: Given,

Q: What is the value of 0!•4

A: We have to find the value of 0!⋅4. We know that 0!=1 Hence, 0!⋅4=1⋅4=4

Q: What is the negative reciprocal of 3/7

A: Given negative reciprocal of

Q: (r-4)(x+6)

A:

Q: What is the value of 35 - 3m when m = 4?

A: In equation we are equating two sides left hand side and right hand side. It contains variable,…

Q: (266), - C?) 2)(33) to -(2) 01,

A: The binary system uses 0 and 1 to represent a number . The hexadecimal system uses  0,1, 2, 3, 4, 5,…

Q: What is the value of 8 + a = 4 when a = 8

A:

Q: Please explain on how you got the answer. Only do 7A and 8.

A:

Q: How does the equation 100+22x=298 represents this situation

A: Given,          The equation is 100+2x=298.

Q: 1² – 9 + 8 4.r-4 b) 3r 622

A:

Q: Why is -4x-5 equal to positive 20? Justify your reasoning in 2 ways. (e.g. with words, diagrams, a…

A:

Q: hi what is the simplified final answer of this?

A: Given problem:-

Q: What equals 4-⁸

A: Explanation of the solution is given below...

Q: Translate into an algebraic expression. The product of eight and y, plus two, is all multiplied by…

A: Here, the statement of the expression is, "The product of eight and y, plus two, is all multiplied…

Q: Evaluate 12C4 and 12P3. 12° 12* 3 ?

A: From the formula of permutation and combination, Cmn=n!(n-m)!m!   ;  Pmn=n!(n-m)!

Q: Which is equivalent to 49 3/2?

A: To find the equivalent value of the given expression.

Q: What is the answer for #19?

A: Answer 19. Given, f(x)=-5

Q: Simplify. (27q3/2)4/3

A: See the attached file for a step by step explanation to simplify the given question.

Q: The equivalent of - (P^-9) is:

A: The given statement is ¬p∧¬q ¬p∧¬q≡¬p∨¬¬q≡¬p∨q Therefore ¬p∧¬q≡¬p∨q

Q: Subtract (7mn? + 5) from (8mn2 – n – 2). -

A: see below the answer no need of explanation

Q: How did they go from 30(2^k-1) to 15(2^k)? Please explain

A:

Q: What is the answer to (2+42)+3•42= ?

A: Apply BODMAS Rule.

Q: the answer 10.805 is incorrect.

A: Apologies for the inconvenience.   The answer key asked for the exact answer. So we have to enter it…

Q: Your friend keeps getting an answer of 64 when simplifying -26. What mistake is he making, and how…

A: When a number is raised to power then the number gets multiplied the number of times equal to the…

Q: 4 12

A: The denominator of the resulting fraction can be obtained by multiplying 6 by 2.

Q: Whats 2 multiplied by 2?

A: Whats 2 multiplied by 2?

Q: Vivian says that the expressions 5x+10+3x-12 and 2(4x-1) are not equivalent. Do you agree? Explain.

A: Solution )By solving equation                5x + 10 + 3x - 12               = 5x + 3x + 10 - 12…

Q: A

A:

Q: which expression must be added to 3x - 7 to equal 0?

A: Note: The expression -(ax+b) must be added to ax+b to equal 0?  i.e (ax+b)-(ax+b)=0

Q: what is -5+46÷3

A:

Q: Noah says that9x-2x+4x is equivalent to 3x, because the subtraction sign tells us to subtract…

A:

Q: Evaluate the value of the Г(15/4) (b) r(3/4)

A: Here we have to evaluate the value of given expression.

Q: Which number equals (5)−3? Find the equivalent for −(3)−4. Which expression is equivalent to (9⋅8)4?

A: a).

Q: hat is 54/6

A: we have to find out

Q: What is 3/5 to the -3 power

A:

Q: Find the difference between 8/15 and −2/3

A: The given numbers are 815 and -23. To compute 815--23.

Q: Which expression is equivalent to -3(4x-0.50)?

A: Simplification

Q: What is the property of 15  + y = y + 15?

A:

Q: What is the value of  (-216)^2/3

A: solution is given below

Q: Your friend keeps getting an answer of 30 when simplifying 7 + 8(2). What mistake is he making and…

A: 7+82 His mistake is, First he is adding 7 and 8, then he is multiplying the result with 2 to get 30.…

Q: Alex tried to simplify the expression (2x + 3) - (4x + 2) by first writing 2x + 3 - 4x + 2 and then…

A: Expression consist of a number and arithmetic operators +,×,÷,-

Q: I was just wondering how does 4/15 and 5/2 equal to 2/3

A: Given statement:- How does 4/15 and 5/2 equal to 2/3  Method:- We apply operations one by one to…

Q: If a = 9 and b= 4, what is the value of 2a – b? %3D

A: Given query is to find value of indicated expression.

Q: The average of -11 and 21 is 16. O True O False

A:

Q: 62. y + y = 22 +10x X

A: To find out the general solution of the differential equation.

Q: Which expression is equivalent to 9q? -(3q -7) + 5q²?

A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.