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3 years ago

HELLPPPPPPPPPPPP i will give brainliest

Mathematics

1 answer:

svetlana [45]3 years ago

3 0

Answer:

3 $\sqrt{2}$

Step-by-step explanation:

$\sqrt{18}$

$\sqrt{9}$ $\sqrt{2}$

3 $\sqrt{2}$

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3 years ago

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2 years ago

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21/x=84/120 solve the proportion

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3 years ago

Find the simple interest on 7,200 at 3/4% for 5 years

lakkis [162]

Answer:

$7474.08

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: $\displaystyle A = P(1 + r)^t$

A is final amount
P is principle (initial) amount
r is rate
t is time (in years)

Step-by-step explanation:

Step 1: Define

P = 7200

r = 0.75% = 0.0075

t = 5

Step 2: Solve for A

Substitute in variables [Simple Interest Rate Formula]: $\displaystyle A = 7200(1 + 0.0075)^5$
(Parenthesis) Add: $\displaystyle A = 7200(1.0075)^5$
Evaluate exponents: $\displaystyle A = 7200(1.03807)$
Multiply: $\displaystyle A = 7474.08$

7 0

2 years ago