Answer:
Step-by-step explanation:
5.2g +8=0
5.2g=-8
g=-1.54
The number of positive roots is the number of changes of signs there are, then decrease by 2 each time and stop when you get to 1 or 0
negative roots, sub every x with -x and reevaluate, count change of signs
decrease by 2 each time and stop when you get to 1 or 0
y=+2x⁵-x⁴-2x³+4x²+x-2
+,-,-,+,+,-
1 2 3
3 or 1 positive roots
replace x with -x ( baically flip all signs of odd powerd numbers)
y=-2x⁵-x⁴+2x³+4x²-x-2
-,-,+,+,-,-
1 2
2 or 0 negative roots
3 or 1 positive roots
2 or 0 negative roots
2nd option is answer
Answer:
x²-7x=0
Step-by-step explanation:
please mark as brainliest
The answer is 1 : 1 : square root of 3
Sin 45 = 62.5/h
h = 62.5 / sin 45
h = 88.3 cm
