Answer:

Step-by-step explanation:
x² = 19x + 12
⇔ x² - 19x - 12 = 0
Calculating the discriminant :
b² - 4ac = (-19)² - 4×1×(-12) = 409
The discriminant is positive ,then the equation has two solutions.

Answer:y=4x+2
Step-by-step explanation:
-4x+y=2
−4x+y+4x=2+4x
y=4x+2
y=4x+2
Hey!~
The answer is 25/100.
0/100 (0) and 50/100 (1/2) : The middle is 1/4.
Hope this helps and have a great day!
-Lindsey
Answer:
1/6
Step-by-step explanation:
If you divide the fractions to decimals 1/6 equals .16 which is closest to 0
The answer is 8884.37 times<span>
In many cases, B is approximately proportional to the three-quarters power of M:
</span>

<span>
Elephant:
M1 = 4.6 mt = 4.6 * 1,000,000 g = 4,600,000 g
</span>

<span>
Mouse
</span>M2 = 25 g

<span>determine how many times greater the metabolic rate of an elephant is than that of a mouse:
B1/B2 = </span>99327.24 / 11.18 = 8884.37 times