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3 years ago

If x=1,y=3,z=4 evaluate x^2+y^2+z^2-3yz^2

Mathematics

1 answer:

Travka [436]3 years ago

7 0

<h3>✽ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ✽</h3>

➷ Just substitute the values in:

(1)^2 + (3)^2 + (4)^2 - 3(3)(4)^2

Simplify:

(1 + 9 + 16) - 144

Simplify further to get the answer:

answer = -118

➶ Hope This Helps You

➶ Good Luck

➶ Have A Great Day ^-^

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Step-by-step explanation:

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3t + 7 = 2 +5t , then find the value of t.

n200080 [17]

Answer:

t = 5/2

General Formulas and Concepts:

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

Algebra I

Terms/Coefficients

Step-by-step explanation:

Step 1: Define

3t + 7 = 2 + 5t

Step 2: Solve for t

[Subtraction Property of Equality] Isolate t terms: 7 = 2 + 2t
[Subtraction Property of Equality] Isolate t term: 5 = 2t
[Division Property of Equality] Isolate t: 5/2 = t
Rewrite: t = 5/2

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