Simply post the picture of the equation with a bit of information you think is needed. or write down the equation and post it !
Answer:
The tree's shadow is 20 ft long.
Step-by-step explanation:
If you take 6 and 15 and turn it into a fraction 6/15 and take 8 and the missing value (x) and turn that into a fraction 8/x, then you can move to the multiplication.
6/15 *8/x = 6x=120/6
120/6=20
Hope this helps :)
Answer:
18.18%
Step-by-step explanation:
-Percent error is defined as the deviation as a percentage of the actual value.
#Given the actual sold units is 110 and the predicted is 90, the percent error can be calculated as:
Hence, the perecent error is 18.18%
Answer:
The density is 0,8687 grs/cm³
Step-by-step explanation:
To solve this problem you have to use the density formula
Density = Mass/ Volume ⇒ Density = 139 kg/ 160 L.
Density is commonly has the units grs/cm³, so
Density = 139000 grs/ 160000 cm³ ⇒ Density = 0,8687 grs/cm³