The pencil will be; 190 millimeters long.
It is defined as the conversion from one quantity unit to another quantity unit followed by the process of division, and multiplication by a conversion factor.
We are given that the new pencil is 19 centimeters long
We need to calculate the length in millimeters with a pencil
Therefore, we know that
1 millimeters = 0.1 centimeter
OR 1 centimeter = 10 millimeters
We have 19 centimeter
= 19 x 10
= 190 millimeters
Learn more about the unit conversion here:
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For math
Answer:
-21x + 6x - 4
Step-by-step explanation:
First, distributive property.
-7(3x) = -21x
2(3x-2) = 6x - 4
Secondly, put those together.
-21x + 6x - 4
And that is your answer because you don't need to find the sum or x.
b. 2
c. none of the above