3 years ago

WILL GIVE BRAINLIEST IF ANSWERED CORRECTLY

Mathematics

2 answers:

Zarrin [17]3 years ago

5 0

Answer:

A) 13.4 feet

Step-by-step explanation:

You need to use the Pythagorean theorem:

L = $\sqrt{6^2+12^2}$ = 13,4 feet

irinina [24]3 years ago

5 0

It’s is 13.4 here is the steps to show

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

$f(5)=3 \times 5^2-4=3 \times 25-4=75-4=71 \\ f(2)=8 \\
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\hbox{statement 4 is false}$

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

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3 years ago