Answer:
There are 9,999 positive whole numbers with 4 or less digits or less and one whole number which is neither positive nor negative.
This gives us 9,999+9,999+1 or 19,999 , whole numbers composed of 4 digits or less.
No. Mass is the measurement of how much matter is in something.
Take neutron stars for example; smaller than our sun but has more mass. Because of density.
For this case, we have to define perpendicular lines:

We have then:

Then, according to the definition we have:

We observe that the definition is fulfilled, therefore, the lines are perpendicular.
Answer:
b. they are perpendicular
Answer:
-2
Step-by-step explanation:
-4x^3 = 32
x^3 = -8
take the cube root of both sides.
x = -2
Answer:
5 7/20
Step-by-step explanation:
-3 4/5+9 7/10-11/20
=-19/5+9 7/10- 11/20
=-19/5+97/10-11/20
=59/-11/20
=107/20
=5 7/20