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3 years ago

Please Help extra points

Mathematics

1 answer:

Molodets [167]3 years ago

3 0

$1^{st}$ : $24.48 per year + price * 0.85

$2^{nd}$ : $36.83 per year + price * 0.75

Substitute each value into both equations as price.

129.4635

129.4625

98.158

101.84

145.2055

143.3625

155.703

152.615

A is the lowest value where the second value is lower than the first.

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Answer:

AC = 7

Step-by-step explanation:

1. Draw out the line and label everything you know.

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3. To find CD, take the length of BD (12) and subtract it by the length of BC (4): 12 - 4 = 8. The length of CD is 8.

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Answer:

Step-by-step explanation:

We have to solve the given expression,

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$\frac{9y-33y^2-3y^4}{100-49y^2}.\frac{7y^2+17y+10}{14y^2+28y}$ = $\frac{-y(-9+33y+3y^3)}{100-49y^2}.\frac{7y^2+17y+10}{14y(y+2)}$

= $\frac{-y(-9+33y+3y^3)}{(10-7y)(10+7y)}.\frac{7y^2+10y+7y+10}{14y(y+2)}$

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= $\frac{-y(-9+33y+3y^3)}{(10-7y)(10+7y)}.\frac{(y+1)(7y+10)}{14y(y+2)}$

= $\frac{-3y(-3+11y+y^3)}{(10-7y)}.\frac{(y+1)}{14y(y+2)}$

= $\frac{-3(-3+11y+y^3)}{(10-7y)}.\frac{(y+1)}{14(y+2)}$

= $\frac{3(3-11y-y^3)(y+1)}{(10-7y)(14(y+2)}$

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