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3 years ago

Find the value of the expression 9 − j − k for j = 8 and k = 1.

Mathematics

2 answers:

Lady bird [3.3K]3 years ago

5 0

Answer:

The expression equals 0.

Step-by-step explanation:

9 - j - k = x (input values)

9 - 8 - 1 = x (subtract like terms 9 - 8)

1 - 1 = x (subtract like terms 1 - 1)

0 = x

satela [25.4K]3 years ago

3 0

Answer:

9-j-k=0 bbvvxhzhxbxbzbzb

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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: $\displaystyle A = 7200(1.03807)$
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