Vt=(v-16)t/2+96t/2;
v=v/2-8+48;
v=v/2+40;
v/2=40;
v=80;
<em>Ответ: v=80км/ч.</em>
X² = -6x+16
x² +6x-16=0
D=6² -4*(-16)=36+64=100
x₁=(-6-10)/2= -8
x₂=(-6+10)/2=2
Ответ: -8; 2.
25a^4 * (3a^3)^2=25a^4 * 9a^6=225 a^10
( -3b^6)^4 *b=81b^24 *b=81b^25
8p^15 *( -p)^4=8p^15 * p^4=81p^19
( -c^2)^3 *0,15c^4= - 0,15c^6*c^4= - 0,15c^10
( -10c^2)^4 *0,0001c^11=10000*0,0001 c^8*c^11=c^19
(3b^5)^2 * 2/9 b^3=9*2/9 *b^10*b^3=2b^13
( -2x^3)^2*( -1/4x^4)=4*1/4x^6*x^4=x^10
( -1/2y^4)^3*( -16y^2)= - 1/8*( -16)y^12*y^2=2y^14
2/9 - 1/4 - 1/2=8/36 - 9/36 - 18/36= - 21/36= - 7/12
(4m+3n)²(2m-6n²)=4m²+3n²×2m-6n²=8m³-3n²