Question

Can the values be added or subtracted? If one value needs to be converted to another, describe the conversion.

19.75 in² + 26.2 in³

A.
The values cannot be added because one is measuring area and the other is measuring volume.
B.
The values can be added without making a conversion of units because they both measure area.
C.
The values can be added after making a conversion of units because they both measure area.
D.
The values cannot be added because one is measuring area and the other is measuring mass.

Answer 1

PLEASE HELP ME CHECK MY MATH HOMEWORK I THINK ITS C.

Answer 2

The values can be added after making a conversion of units because they both measure area.

^
so... what kind of conversion do you have in mind?

Answer 3

hmmm I didn't see the \(\bf ^3\)...

Answer 4

I don't really get this question

Answer 5

\(\Large \bf 19.75 in^{\color{red}{ 2}} + 26.2 in^{\color{red}{ 3}}\)

is a matter of 2 units, and what they represent

lemme put it in another example

how would you add say \(\bf 25\ {\color{red}{ lbs}} \textit{ of water }+ 3\ {\color{red}{ meters^2}}\quad ?\)

Answer 6

do you see the disparity?

Answer 7

it'd be as disparate as asking you to go to the store and buy say 3yards of milk, or 2 ounches of joy, or say 3feet of butter

Answer 8

.....so is it C. or not>>?

Answer 9

cubic inches are volume (3 units)
square inches are area (2 units)

Answer 10

Can the values can be added or subtracted? If one value needs to be converted to another, describe the conversion.

67.9 mL + 4.9 L









A.
The values cannot be added because one is measuring mass and the other is measuring capacity.







B.
The values can be added without making a conversion of units because they both measure capacity.







C.
The values can be added after making a conversion of units because they both measure capacity.







D.
The values cannot be added because one is measuring mass and the other is measuring distance.

I have another question like it

Answer 11

so, they can't mix because they're incompatible for what they're meant to represent

Answer 12

ohh! so its A.? :)

Answer 13

yes, is the same thing, you're being asked to judge if the values are COMPATIBLE to each other

just like you can't buy 3feet of milk, you can't get a say 25lbs living room

Answer 14

ohh! so its A.? :) \(\large \checkmark\)

Answer 15

67.9 mL + 4.9 L
^
1000mL = 1L

Answer 16

what about the second question :)


Can the values can be added or subtracted? If one value needs to be converted to another, describe the conversion.

67.9 mL + 4.9 L









A.
The values cannot be added because one is measuring mass and the other is measuring capacity.







B.
The values can be added without making a conversion of units because they both measure capacity.







C.
The values can be added after making a conversion of units because they both measure capacity.







D.
The values cannot be added because one is measuring mass and the other is measuring distance.

Answer 17

a milliliter is a subunit of a liter, but they both represent mass or weight, so they're compatible

Answer 18

so B. or C. I think its B. :)

Answer 19

67.9 mL + 4.9 L
^
1000mL = 1L <----- conversion

Answer 20

....so b?

Answer 21

\(\bf 67.9 mL + 4.9 L\implies 67.9\cancel{mL}\cdot \cfrac{L}{1000\cancel{mL}}+4.9L\implies 0.0679L + 4.9L\\ \quad \\
\implies 4.9679L\)

Answer 22

we can add them... BUT we needed to convert the mL to liters, using the conversion unit

Answer 23

The values can be added \(\color{red}{ \text{after making a conversion}}\) of units because they both measure capacity.