The range for boys is 60 as for girls the range is 80. The median for boys is 90 and for girl 110.
To find the length of the sides you have to find the square root of 225, I used a calculator and got 15 :)
Answer to break even, cost = earnings= $455, number of miles to cover is 11
Step-by-step explanation: cost =422+3x, where x= number of miles covered
Earnings=400+5x
St break even, cost = earnings, then solving the linear equation, by collecting like terms, and dividing through by 22. x=11, the Pu x=11 in the either the cost or earnings expressing to get 455
Answer:
Step-by-step explanation:
From the diagram, quadrilateral BCEF is a cyclic quadrilateral.
Opposite angles if a cyclic quadrilateral sum up to 180°
The diagonals intersect at D to form two pairs of vertical angles, and vertical angles are congruent.
Also sum of angles in triangle CBD is 180°.
