Sarah thinks that the following expressions are equivalent: 2x + 3 = x/2+ ¾ Is she right? If so, prove that these two expressions are equivalent. If not, what error(s) did she make?

Q: Which of the following is equivalent to the expression below? -4g + 8m - (-2g) + (-10m) – 10 A. -2g…

A: To find  The equivalent expression

Q: Simply the following    9a-3-a+12

A: The given expression is 9a-3-a+12.

Q: Sally swam a total distance of 3 1/2 miles during the months of November and December. If Sally only…

A: Total distance travelled in the month of November and December is 7/2 miles. Now, Sally swam travels…

Q: 10t-3t squared)+12(8t+2) after simplifying, what number is multiplied by t?

A:

Q: Find B so that AB = 1 = BA, where A = 3 4 5 7

A:

Q: Simplify: (27 -7) • (27 + 7) O4 - O 47° - 7 4 u 2.

A: To simplify:2u→-v→.(2u→+v→)

Q: When does 7 + 7 = 2 is true? Elaborate.

A: we have to prove that when 7 + 7 =2 ?? We use Congruence Modulo.

Q: R. (3x + 5) (91- 17)*

A: We know sum of opposite interior angles of parallelogram is equal to 180°

Q: Simplify  8x2 − 3xy + 8 − 2x2 − 11.   How many terms are in the resulting expression?

A:

Q: What is -2/3+8/9

A: -23+89

Q: Simplify the following expression (6a⁴×7a-²)(4a-⁷)³

A: The exponential properties says that am×an=amn, amn=amn and a-m=1am.

Q: Find f- (3) – 4ƒ(6).

A: Given: The table x f(x) 1 4 2 1 3 2 4 6 5 3 6 5

Q: (-5+z) is positive, but (-6+z) is negative. What number could z be?

A:

Q: If n(A) = 105, n (A ⋃ B) = 142, and n (A ⋂ B) = 46, find n(B)

A: This question is about set

Q: 18. What is the value of 4m² - 3(n³ + 2p) if m = -1, n = 2, p = 3 and q = -2 (A) - 62 3 65 (B) (C) -…

A:

Q: Marcus claims that in the expression 3x + 3y, the terms 3x and 3y are like terms because both are…

A: Here we have to check whether the given terms are like or unlike terms.

Q: Which of the following expressions is equivalent to 5 X (2 6 0. 25) 1.32 5 x (1) - 1.3 35 5 x () -…

A: Simplify a-b as -b+a.

Q: Simplify the expression. (a) V 4a3 + va (ь) 81x +

A: