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3 years ago

Find The Geometric meam of 4 and 25.

Mathematics

2 answers:

Blababa [14]3 years ago

6 0

C is the answer :) :) :)

Olenka [21]3 years ago

3 0

The geometric mean of x and y: $\sqrt{xy}$

The geometric mean of 4 and 25:

$\sqrt{4\cdot25}=\sqrt{100}=10$

Answer C. 10

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General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Simple Interest Rate Formula: $\displaystyle A = P(1 + rt)$

P is principle amount
r is rate
t is time

Step-by-step explanation:

Step 1: Define

Identify variables

P = 100

r = 4% = 0.04

t = 10

Step 2: Find Interest

Substitute in variables [Simple Interest Rate Formula]: A = 100(1 + 0.04 · 10)
(Parenthesis) Multiply: A = 100(1 + 0.4)
(Parenthesis) Add: A = 100(1.4)
Multiply: A = 140

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