The histogram above shows the number of guests staying in each room and hostel on a particular night. What fraction of the hostel rooms have 4-7 guests?

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center (1,3) with radius 6

step-by-step explanation:

we must complete the square to find the center and radius of the circle.

first make sure the x and y squared terms have 1 as their coefficients. we also make sure x and y terms together.

we now create space between the x and y terms with parenthesis.

we complete the square by taking the middle terms -2x and the -6y - divide each and square them.

we add the squares to both sides.

simplify.

and write the quadratics in factored form.

the center is (h,k) or (1,3). the radius is the square root of 36 which is 6.

he earned 78.75 in interest.

step-by-step explanation:

you bought 31 v bucks

step-by-step explanation:

25+6=31