Answer:
Step-by-step explanation:
b = number of boys
the sum of the number of boys and 15 girls
" the sum " means add
ur expression is : b + 15 <===
We need a matching complex to 2+3i. The conjugate is 2-3i and the two factors are (x-2-3i)(x-2+3i)=(x²-4x+4+9)=x²-4x+13.
The polynomial is (x-4)(x+8)(x²-4x+13)=(x²+4x-32)(x²-4x+13)=
x⁴-4x³+13x²
+4x³-16x²+ 52x
-32x²+128x-416
x⁴-35x²+180x-416 is the 4th degree polynomial.
They biked 120 km
they bussed 80 km
because 120 + 80 = 200 and 120 is 40 more than 80
Answer:
5.201 km
Step-by-step explanation:
