To get the answer we have to use proportion
36% ------------------72
100% ----------------x
Crossmultiply now
100*72=36*x
7200=36x /:36 divide both sides by 36
7200:36=x
200=x - its the answer
Answer:
<u>The pattern is that the decimal point moves the same number of decimal points to the right as zeros the power of ten has.</u>
Step-by-step explanation:
To multiply a decimal number by a power of ten (such as 10, 100, 1,000, etc.), count the number of zero in the power of ten. Then go to the right the decimal point the same number of positions.
For example, 0.36 * 10 = 3.6. The multiplier 10 has one zero, so you move the decimal point in 0.36 one position to the right to get the product 3.6.
A second example, 0.36 * 100 = 36. The multiplier 100 has two zeros, so you move the decimal point in 0.36 two positions to the right to get the product 36.
<u>So, the pattern is that the decimal point moves the same number of decimal points to the right as zeros the power of ten has.</u>
So than this is a triangle so we know that the sum of measure of angles of a triangle is equal 180 degrees
- in this case m<O = 180 -(137+22) = 180 -159 = 21
m<O = 21 degrees
Inverse variation means y=k/x (direct variation is y=kx) so we can use the info given to find the constant k
y=k/x
6=k/900
k=6(900)
k=5400 so the equation is:
y=5400/x or more accurately for this problem
t(v)=5400/v then:
t(800)=5400/800
t(800)=6.75 hours