Answer:
11
Step-by-step explanation:
When you plug in -2 for x you get -4(-2) +3
8 +3 = 11
F(-2)=11
Hope this helps, have a nice day
Answer:
21 cm
Step-by-step explanation:
2 sides of a triangle must equal to more than the last side of the triangle. So, 6 + 15 is more than 6 cm, also more than 8 cm, and also more than 18 cm. So the answer must be 21 cm. I hope this helped and please mark me brainliest!
1-3=-2
-1=-1
I don’t really understand the question but I think no.1 is correct
Answer:

Step-by-step explanation:
Pythagorean theorem:

Alternative:

Alternative (derived from the Pythagorean theorem):
All 45-45-90 triangles have side lengths
, where
is the hypotenuse. Since this triangle's hypotenuse is
, its sides are
.