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2 years ago

12w + 19 = 2w + 19 solve plz

Mathematics

2 answers:

Degger [83]2 years ago

7 0

Answer:

w = 0

Step-by-step explanation:

lapo4ka [179]2 years ago

4 0

Answer:0

Step-by-step explanation: Well... if you write it out, then you can see that 12w+19=2w+19. The thing is, this equation implies that 12w=2w. The only logical answer for that would be w=0

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How do I solve 6(5 - 2x) + 12 = -66?

ladessa [460]

Answer:

x = 9

Step-by-step explanation:

Step 1: Write equation

6(5 - 2x) + 12 = -66

Step 2: Solve for x

Distribute 6: 30 - 12x + 12 = -66
Combine like terms: 42 - 12x = -66
Subtract 42 on both sides: -12x = -108
Divide both sides by -12: x = 9

Step 3: Check

Plug in x to verify it's a solution.

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Step-by-step explanation:

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3 years ago

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Given: the function defined by f(x)=3x^2-4 Which statement is true? 1. f(0) = 0 2. f(-2) = f(2) 3. f(5)+ f(2) = f(7) 4. f(5) x f

sergeinik [125]

$f(x)=3x^2-4 \\ \Downarrow \\ f(0)=3 \times 0^2-4=0-4=-4 \\ -4 \not= 0 \\ f(0) \not= 0 \\
\hbox{statement 1 is false} \\ \\
f(-2)=3 \times (-2)^2-4 =3 \times 4-4=12-4=8 \\
f(2)=3 \times 2^2-4=3 \times 4-4=12-4=8 \\ 8=8
\\ f(-2)=f(2) \\
\hbox{statement 2 is true}$

$f(5)=3 \times 5^2-4=3 \times 25-4=75-4=71 \\ f(2)=8 \\
f(7)=3 \times 7^2-4=3 \times 49-4=147-4=143 \\
71+8 \not= 143 \\
f(5)+f(2) \not= f(7) \\ \hbox{statement 3 is false} \\ \\
f(5)=71 \\ f(2)=8 \\ f(10)=3 \times 10^2-4=3 \times 100-4=300-4=296 \\
71 \times 8 \not= 296 \\
f(5) \times f(2) \not= f(10) \\
\hbox{statement 4 is false}$

Stamement 2. f(-2)=f(2) is true.

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3 years ago

A safety officer wants to prove that μ = the average speed of cars driven by a school is less than 25 mph. Suppose that a random

Akimi4 [234]

Answer:

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