Answer:
= 12 miles per hour
Step-by-step explanation:
This is a fraction equal to
30 miles ÷ 2.5 hours
We want a unit rate where
1 is in the denominator,
so we divide top and bottom by 2.5
30 miles ÷ 2.5
2.5 hours ÷ 2.5
=
12 miles
1 hour
=
12 miles
hour
= 12 miles per hour
Answer:
7 crates
Step-by-step explanation:
Let
x ----> the number of crates needed
we know that
Two crates can hold 250 boxes
so
using proportion
Find out how many crates they'll need for 875 boxes
![\frac{2}{250}\frac{crates}{boxes} =\frac{x}{875}\frac{crates}{boxes}\\\\x=2(875)/250\\\\x=7\ crates](https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B250%7D%5Cfrac%7Bcrates%7D%7Bboxes%7D%20%3D%5Cfrac%7Bx%7D%7B875%7D%5Cfrac%7Bcrates%7D%7Bboxes%7D%5C%5C%5C%5Cx%3D2%28875%29%2F250%5C%5C%5C%5Cx%3D7%5C%20crates)
<span>Answer:
Use the values of free energy change for each substance,G found in a chemistry book appendix. Then do the Products - Reactants.
G[0]+2G[-216]-G[-217.33]-2G[0]
G=-214.67 kJ</span>
Answer:
H. the increase in the number of slaves in Texas
For your info the values of x expresses the domaine & the values of f(x), range
A- WRONG. As a matter of fact f(10) =0
B-WRONG: f(x) expresses the RANGE & NOT THE DOMAIN
C- WRIGHT
D- It depends on the function if it's continued or not. However in this example it appears that the range f(x) is all real numbers