Solve for x show all work

Mathematics

2 answers:

a_sh-v [17]2 years ago

8 0

Answer:

x=4

Step-by-step explanation:

we know the ratio of left to right is 2:1 because 6:3=2:1

the horizontal lines are parallel, so the other set of numbers follows the same proportions

$x^{2} +2x+11=2(x+13.5)\\x^{2} +2x+11=2x+27\\x^{2} +2x-2x=27-11\\x^{2} =16\\x=\sqrt{16} \\x=4$

Marina86 [1]2 years ago

7 0

Answer:

x = 6•3 == 18

18² = 324

324 + 2 + 11 = 337

Step-by-step explanation:

Order of Operations; PEMDAS

Parentheses

Exponents

Multiplication <u>& Division</u> <em>(Left to Right) (ex: 10x2÷5) You would do whatever comes left for Multiplication or Division.</em>

Addition <u>& Subtraction</u> <em>(Left to Right) (ex: 10-2+5) You would do whatever comes left for Addition & Subtraction.</em>

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3 years ago

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ValentinkaMS [17]

Answer:

(1, 2)

Step-by-step explanation:

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Plug in the values, and you should get (1, 2)

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2 years ago

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