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katrin2010 [14]

3 years ago

7

2 5/16 divided by 7/8

1 answer:

Sergeu [11.5K]3 years ago

4 0

When dividing fractions we "invert and multiply".
First we should change 2 (5/16) to 37/16.
So, 37 / 16 divided by 7 / 8 equals
37 / 16 times 8 / 7
which equals 296 / 112 = 37 / 14 which equals

2 (9/14)

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The perimeter of XYZ is ___ units.

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Look at the picture.

$ZY = 5+3=8$

For XY and ZX use the Pythagorean theorem.

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64 + {40 ÷(4 - 7 + 8)} - 10 solve this clearly

slega [8]

Answer:

62

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Step-by-step explanation:

<u>Step 1: Define expression</u>

64 + [40 ÷ (4 - 7 + 8)] - 10

<u>Step 2: Evaluate</u>

Brackets - Parenthesis - Subtract: 64 + [40 ÷ (-3 + 8)] - 10
Brackets - Parenthesis - Add: 64 + [40 ÷ 5] - 10
Brackets - Divide: 64 + 8 - 10
Add: 72 - 10
Subtract: 62

And we have our final answer!

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3 years ago