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. Form a three-letter word from the given letters below (use each letter only
once) and write each letter of the word in each box. Then, translate the
mathematical phrase in each letter into an English phrase. Write your
answer in the box under each letter.
A = 6x - 5
H = *xy
N = x - 42
B = n - 5
I = 2m2
.
O = xy2
C = a +b
P = 6(c + d)
L = (5 + x) + 2
Stotthon
M = 8b
E = 2(3 + y)
W = x + y + z
7​

Form A Threeletter Word From The Given Letters Below Use Each Letter Onlyonce And Write Each Letter Of The Word In Each Box Then Translate Themathematical Phra class=

Sagot :

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Answer:

nts Home Bookshelves Pre-Algebra Book: Prealgebra (Arnold) 3: The Fundamentals of Algebra Expand/collapse global location

3.1: Mathematical Expressions

Last updatedAug 15, 2020

3.0: Prelude to the Fundamentals of Algebra

3.2: Evaluating Algebraic Expressions

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David Arnold

Contributed by David Arnold

Retired Professor (Mathematics) at College of the Redwoods

Recall the definition of a variable presented in Section 1.6.

Definition: Variable

A variable is a symbol (usually a letter) that stands for a value that may vary.

Let’s add the definition of a mathematical expression.

Definition: Mathematical Expression

When we combine numbers and variables in a valid way, using operations such as addition, subtraction, multiplication, division, exponentiation, and other operations and functions as yet unlearned, the resulting combination of mathematical symbols is called a mathematical expression.

Thus,

2a, x + 5, and y2,

being formed by a combination of numbers, variables, and mathematical operators, are valid mathematical expressions. A mathematical expression must be well-formed. For example,

2 + ÷5x

is not a valid expression because there is no term following the plus sign (it is not valid to write +÷ with nothing between these operators). Similarly,

2 + 3(2

is not well-formed because parentheses are not balanced.

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