The denser a substance, the more tightly packed it is. the table below shows the volume and mass of two different substances. comparison of substances substance volume (cm3) mass (g) r 22 10 s 55 25 which of the two substances is more tightly packed? object r is more tightly packed. object s is more tightly packed. both objects are packed equally tightly. this cannot be determined.
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Ответ:
Both objects are packed equally tightly.
Explanation:
For Substance R we have
mass = 10 g
Volume = 22 cubic cm
So we know that density is defined as
here we have
For substance S we have
mass = 25 g
Volume = 55 cubic cm
So we know that density is defined as
here we have
So here both have same density
so correct answer would be
Both objects are packed equally tightly.
Ответ:
Example: 15) y=-5x+2 into -2=-5x-y or 2=5x+y
For 21-29, the numbers in the parenthesis are coordinates (x, y) so uh the equation y=mx+b plug in the m that is given and x and y and then solve for b to complete the equation
Ex: 21) (-8,3) m=2
Y=mx+b
3=2(3)+b
3=6+b
-3=b
So y=2x-3
Do the same to the others