Answer:
A. True
Step-by-step explanation:
To convert 5.25 minutes to seconds, you would use the ratio = seconds, you would use the ratio 1 second 60 minutes.
Answer:
tam 20 = 4 / x
x = 4 /tan 20 = 4 / .364 = 10.99
I'm pretty sure it's A. 7+x+4y, but I could be wrong.
Answer:
The discriminant of ax^2+bx+c is b^2-4ac.
If the discriminant, d, is:
d<0, there are no real solutions (there are two imaginary solutions however)
d=0, there is one real solution
d>0, there are two real solutions
In this case d=16-32=-16 so there are two imaginary solutions. Or from your answer choices, it can be said that there are no real number solutions becuse the discriminant is less than zero.
Area of the pentagon: 342 cm2
Step-by-step explanation:
The figure of the pentagon is missing: find it in attachment.
The area of the pentagon can be seen as the area of 5 equal triangles, each of them having a base equal to the length of the side of the pentagon,
L = 14.1 cm
and the height of each triangle can be found by using Pythagorean's theorem:
The area of each of the 5 triangles is
Therefore, the area of the pentagon is 5 times this area:
Learn more about area of regular figures:
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