Answer: When a solid can be mapped onto itself by a reflection in a plane, it has reflectional symmetry.
Step-by-step explanation:
Answer:
X =1,5
Step-by-step explanation:
==>-4x+3<9
==>-4x<9-3
==>-4x<6.
==>
==>x =1.5
Answer:
4
Step-by-step explanation:
15x+20 = 40 +10x
x = 4
Answer:
x =8.34654305
Step-by-step explanation:
Since this is a right triangle, we can use trig functions
cos theta = adjacent / hypotenuse
cos 33 = 7/x
Switching places with the x and the 33
x = 7/ cos 33
x =8.34654305