Answer:
71
-133
Step-by-step explanation:
Given the polynomial :
3x³– 4x² + 7x + 5, when x = 3 and also when
x = –3.
Put x = 3
3(3)³– 4(3)² + 7(3) + 5
3(27) - 4(9) + 21 + 5
81 - 36 + 21 + 5
= 71
Put x = - 3
3(-3)³– 4(-3)² + 7(-3) + 5
3(-27) - 4(9) - 21 + 5
-81 - 36 - 21 + 5
= - 133
Answer2 since she watched 1/4 so she watched 1 then at night so 2
Step-by-step explanation:
T=90 because:
first, solve for other variables
(131)2+y*2=360 vertical angles are equal
y= 49, then solve for x,
x=180-73-42
x= 65
another side is 66 in x triangle.
then find the vertical angle between the z and the t triangle,
73+66+t triangle side= 180
t triangle side =41
49+41+t=180
t=90
Answer:
i believe the correct one is the second one
You first need to isolate either x or y. since in one formula has both x and y in it and there is one with only y, you should solve the smaller one first then plug and chug