1) 50 × 2 = 100
2) 60×20= 1200
3) 70×20=1400
Hope this helps
Answer:
<7
Step-by-step explanation:
<7
There are no numbers without decimals which multiply to 78 and add up to 17.
Step-by-step explanation:
y = 3x² - 10x - 2
a = 3
b = -10
c = -2
D = b² - 4ac
D = (-10)² - 4.3.(-2)
D = 100 + 24
D = 124
12t = -132 |divide both sides by 12
t = - 11