# Verizon offers to sell cellular phones listing for $100.59 with a chain discount of 15/10/5. Cellular Company offers to sell its cellular phones that list at$104.19 with a chain discount of 25/5. If Irene is to buy eight phones, how much could she save if she buys from the lower-priced company? (Do not round intermediate calculations. Round all dollar amounts to the nearest hundredth. Round your final answer to the nearest cent.)

graciemonceret6213   ·   18.10.2021 03:30
29.06.2019 10:00

a.)the line for function b is steeper

28.06.2019 18:00
Im pretty sure it’s is b 1.6 mi
28.06.2019 00:30
First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: $$\sqrt{\frac{ {72x}^{16} }{ {50x}^{{{36} }}}} = \frac{ { \sqrt{72}x}^{ {16}^{ (\frac{1}{2}) } } }{ { \sqrt{50} x}^ {{36}^{ (\frac{1}{2}) } }}$$multiply exponents per exponent rules to get: $$\frac{ { \sqrt{72}x}^{8} }{ { \sqrt{50}x}^{18} }$$remember you subtract exponents from the denominator and add exponents in the numerator so: $$\sqrt{ \frac{72}{ 50}} \times ( {x}^{(8 - 18) } ) = \sqrt{ \frac{36}{25} } \times ( {x}^{ - 10} )$$simplify further: $$\frac{6}{5} {x}^{ - 10} = \frac{6}{5 {x}^{10} }$$so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.
24.06.2019 18:30
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