Subtract the polynomials, then simplify: (7x^2-12x-5)-(-x^2+6x+8)The formula B=0.4089M^(3)/(4) gives the bird inhalation rate, B cubic metres of air per day, for a bird with mass M kilograms. a) Rewrite the formula using radicals. b) Calculate the inhalation rate for each bird. i) a 4.5-kg bald eagle ii) a 8.0-kg Canada goose c) Determine the mass of a bird whose inhalation rate is twice that of the bald eagle. d) Is the mass in part c twice that of the bald eagle? Explain.Example 2: Verify that the diagonals of the square with vertices A(-2,-1),B(2,-1),C(2,3) and D(-2,3) bisect each other.Extra Work State if the three numbers can be the measures of the sides of a triangle. 1) 9,6,18 2) 22,10,9 3) 22,10,10 4) 3,6,7 5) 12,7,8 6) 6,8,10 7) 11,3,9 8) 12,11,9 9) 9,9,8 10) 10,19,6 11) 12,10,11 12) 17,11,8 13) 12,10,2 14) 6,9,6 15) 16,11,9 16) 9,8,7 17) 9,11,8 18) 14,12,7 19) 12,21,6 20) 10,9,6 Two sides of a triangle have the following measures.Find the range of possible measures for the third side. 21) 7,7 22) 6,6 23) 10,11 24) 11,9 25) 8,9 26) 6,7 27) 11,6 28) 9,6 29) 6,10 30) 11,7 31) 8,11 32) 6,12Add the two polynomials and simplify: (8x^4+7x^3+2x)+(-5x^4-6x^3-8) squarePREV 293031323334353637 NEXT
