Answer:
If an equation has no solution, then the solution set is the _<u>empty set</u>_ and
is denoted by _<u>{ } </u><u>or </u><u>∅</u>__.
Answer:
Look down
Step-by-step explanation:
AC=BD
8*2=16
15*2=30
AC=16
BD=16
AB=30
CD=30
The expression 7•3x is not equal to the expression 21x. You might think that the two expressions are the same since 7x3 is 21 but the first expression is a dot product. This kind of expression includes the magnitude and direction of the vector in an expression, for example, <span>7•3x. The second expression, 21x, expresses only the magnitude and does not include the direction.</span>
Answer:
-7.2
Step-by-step explanation:
-4(0.3)-6
-1.2-6
-7.2
