30% of 42 is 12.6$.
42-12.6 = 29.4$ is the price of the pair with discount applied.
Tax 7%
29.4 * 7% = 2.06
29.4$ + 2.06$ = 31.46 $ final price with discount and tax applied.
We will have to use proportions:
Cross multiplying we get
Now divide:
Solve to tenths place we get
The woman casts a 36.6 ft long shadow.
Answer:
21
first we begin from 1 to 100 we find 11 numbers contain 1 then we count 1s from 10 to 19 we get 9 numbers but there is an exciption in number 11 as it cotains 2 1s so thenumber of 1s is 21
<span>(16)m=−7,</span><span>b=2</span> where m is the slope and b is the y-intercept
(17)<span>m=5,</span><span>b=4</span> where m is the slope and b is the <span>y-intercept
(18)</span><span><span>m=−1,</span><span>b=9</span> where m is the slope and b is the y-intercept
</span>(19)<span><span>m=<span>15</span>,</span><span>b=0</span> where m is the slope and b is the y-intercept
(20)</span><span><span>m=−<span>23</span>,</span><span>b=1</span> where m is the slope and b is the <span>y-intercept
</span>(21)</span><span>m=<span>43</span>,</span><span>b=−5</span> where m is the slope and b is the <span>y-intercept</span>
Answer:
The answer would be 864 feet squared.
