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How do you simplify #sqrtxsqrt(x+2)#?

How do you graph #y=2cos3x#?

What is the Square root of 20  square root of 45 + 2 square root of 125?

How do you solve the inequality #2k2>10#?

A square has an area of 196 cm2, what is the perimeter of the square?

What is 4 square root of 80?

How do you find all zeros of #F(x)= x^3 8x^2 +25x 26#?

How do you simplify the square root of 40 + the square root of 90?

How do you simplify 6(square root of 2) + 10(square root of 8)?

What is the period and amplitude for #y=3 cos x#?

How do you simplify #sqrt100  sqrt130 + sqrt130  sqrt169#?

I have $3.85 in my pocket in dimes and quarters only. I have three times as many dimes in my pocket as I do quarters. How many of each type of coin do I have?