3 years ago

How do you know that two expressions are equivalent

1 answer:

6 0

You know that two expressions are equivalent when if you substitute in your values and simply the expressions, they have the same answer.

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Diego is flying from Philadelphia to Barcelona. On the trip to Barcelona, the plane flies at a constant cruising speed of 550\,\

Helga [31]

Answer: Correct

A. The cruising speed on the flight from Philadelphia to Barcelona. 550mph shown. It is Faster.

Step-by-step explanation:

Hour 1 2 3

Miles 530 1060 1590

Divide: Miles divided by Hours

Answer: 530 - The cruising speed on the flight home

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3 years ago

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What is the final price of a product that costs $14.30 with an added tax rate of 4%?

LenKa [72]

Change 4% into a decimal (.04)

14.30 x .04 = .57

Add the tax to product

14.30 + .57 = 14.87

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3 years ago

Ok this is getting stressful and hard already, we’re not even learning it yet but whatever, please help me will mark Brainliest

s2008m [1.1K]

Answer:

yes? im pretty sure yeah

Step-by-step explanation:

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3 years ago

A function is defined by f (x) = 5 (2 minus x). What is f(–1)? –5 5 15 53

Helen [10]

Answer:

f(-1) = 15

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Functions
Function Notation

Step-by-step explanation:

Step 1: Define

Identify

f(x) = 5(2 - x)

Step 2: Evaluate

Substitute in x [Function f(x)]: f(-1) = 5(2 - -1)
(Parenthesis) Subtract: f(-1) = 5(3)
Multiply: f(-1) = 15

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A valet makes $56 each day that she works and makes approximately $6 in tips for each car that she parks. If she wants to make a

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She needs to park 16 cars.

$152- 56 = 96

96/6= 16

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