$(a+b)^2=a^2+2ab+b^2\ \ \ (*)\\\\\\\sqrt{4+2\sqrt3}=\sqrt{3+2\sqrt3+1}=\sqrt{\underbrace{(\sqrt3)^2+2\cdot\sqrt3\cdot1+1^2}_{(*)}}\\\\=\sqrt{(\sqrt3+1)^2}=|\sqrt3+1|=\sqrt3+1$

7 0

4 years ago

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Ryley pays a monthly fee and $4 for each visit to the gym. Last month she went to the gym 19 times and paid $116 for her gym mem

anastassius [24]

Answer:

$40

Step-by-step explanation:

$4 times $19 is $76 then $116 minus $76 is $40

5 0

3 years ago

Mark walks to school in 3 minutes. It takes Tom 4 times as long to walk to school as it does Mark. How long does it take Tom to

kvasek [131]

Answer:

12 minutes

Step-by-step explanation:

7 0

3 years ago

Simplify (w^3x^10)^4​

Simplify (w^3x^10)^4