Mathematics, 05.05.2020 00:04, dunqueeezy6295

Find AB.
Round to the nearest tenth

Find AB. Round to the nearest tenth

Answers: 3

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Answers

answered: fsugg9168

AB ≈ 14.3

General Formulas and Concepts:

Math

Rounding

If Z is < 5, then you round downIf Z is ≥ 5, then you round up

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of Equality

Pre-Calculus

Law of Cosines: a² = b² + c² - 2(b)(c)cosA°

Step-by-step explanation:

Step 1: Identify

a = x, b = 16, c = 5

A = 61°

Step 2: Solve for x

Substitute in variables [Law of Cosines]: x² = 16² + 5² - 2(16)(5)cos61°Evaluate Exponents: x² = 256 + 25 - 2(16)(5)cos61°Multiply: x² = 256 + 25 - 160cos61°Evaluate Trig: x² = 256 + 25 - 160(0.48481)Multiply: x² = 256 + 25 - 77.5695Add: x² = 281 - 77.5695Subtract: x² = 203.43[Equality Property] Square root both sides: x = 14.2629Round: x ≈ 14.3

answered: Guest

Num of plants = (original#ofplants)*(1.6)^t

answered: Guest

step-by-step explanation:

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Find AB.
Round to the nearest tenth
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