Answer:
2142
Step-by-step explanation:
Answer: 0
Step-by-step explanation:
The disciminant \Delta tells you how many real solutions a quadratic equation has, depending on its sign:
\Delta>0\implies\text{2 solutions}\\\Delta=0\implies\text{1 solution}\\\Delta<0\implies\text{no solutions}
Answer:
2/5-1/4=8/20-5/20=3/20
Step-by-step explanation:
so you would have to multiply the fractions so that they have the same denominator, so multiply 2/5 by 4 to get 8/20 for the first blank. then do the same for the next blank but multiplying by 5 which would make it 5/20. then it equals 3/20 by using normal subtraction of the numerators (hope this is correct im sorry if its not).
Answer:
A is right
B is acute
C is obtuse
D is right
Step-by-step explanation:
90 is right
anything under 90 is acute
over 90 obtuse
