3 years ago

1.

1 answer:

5 0

The third one, for every 6 french fries, there is 1 packet of ketchup.

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IgorLugansk [536]

So, we know that:

$A=\dfrac{1}{2}ab\\P=a+b+c\\a^2+b^2=c^2$

We also know that $(a+b)^2=a^2+2ab+b^2$ . We will use that fact to find $c$ in terms of $A$ and $P$ .

$A=\dfrac{1}{2}ab\Rightarrow 2ab=4A\\P=a+b+c\Rightarrow a+b=P-c$

Therefore:

$(P-c)^2=c^2+4A\\P^2-2cP+c^2=c^2+4a\\2cP=P^2-4A\\c=\dfrac{P^2-4A}{2P}$

7 0

2 years ago

seraphim [82]

The answer is b -9 < x < 12

8 0

2 years ago

Alina [70]

Answer:

F=2E

ANGLE F+ANGLE E=120

2E. + E. =120

3E=120

E=40

4 0

2 years ago

Mumz [18]

Answer:

it's option A .............

8 0

3 years ago

german

It would be the one with the greater numerator 6/6 would be greater than 5/6

5 0

3 years ago