Answer:
x = (-5 ± 2√10) / 3
Step-by-step explanation:
5 − 10x − 3x² = 0
Write in standard form:
-3x² − 10x + 5 = 0
Solve with quadratic formula:
x = [ -b ± √(b² − 4ac) ] / 2a
x = [ -(-10) ± √((-10)² − 4(-3)(5)) ] / 2(-3)
x = [ 10 ± √(100 + 60) ] / -6
x = (10 ± 4√10) / -6
x = (-5 ± 2√10) / 3
Answer:
5
Step-by-step explanation:
0.0900-0.0088=0.0812
I did it by thinking of it as 900-88=812
They are both $104.00 because you need the.40 cents to be .50 to be higher and lower
Answer:
43.638 cubic meters
Step-by-step explanation:
The triangular prism has 5 faces - 3 rectangular and 2 congruent triangular. Calculate the area of each face then add them together to find the surface area.
The triangles are 5.3 by 1.26 so the area of the two is 6.678.
The largest rectangle face is 5.3 by 3.3 so the area is 5.3*3.3 = 17.49.
The side rectangle face that is 3.3 by 3.6 so the area is 3.3*3.6 = 11.88.
The side rectangle face that is 2.3 by 3.3 so the area is 2.3*3.3 = 7.59.
Add all the areas together.
6.678 + 17.49 + 11.88 + 7.59 = 43. 638
