Answer:
To use proportions to solve ratio word problems, we need to follow these steps:
Identify the known ratio and the unknown ratio.
Set up the proportion.
Cross-multiply and solve.
Check the answer by plugging the result into the unknown ratio.
Step-by-step explanation:
comment and let me know how it helps
We can draw the graph of cosine with amplitude 2.
Answer:
4 years
Step-by-step explanation:
I=prt
1440=4000(r)0.09
4000r * 0.09 = 1440
divide both sides by 4000 times 0.09
r = 4
Answer:
I assume that says
, but that is the case because when we square a number, we can NEVER get a negative number. The smallest square we can get is 0. 1^2 is 1, and no real number squared gives us a negative number.
Step-by-step explanation:
Answer:
x<6
Step-by-step explanation:
x+1 < 7
Subtract 1 from each side
x+1-1<7-1
x <6