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3 years ago

Use the Distance Formula to find the distance between (5, - 4) and (0, 8).

Mathematics

1 answer:

gogolik [260]3 years ago

8 0

Answer:

13 units

Step-by-step explanation:

Let d be the distance between given points.

$\therefore \: d = \sqrt{ {(5 - 0)}^{2} + ( - 4 - 8)^{2} } \\ \hspace{16 pt}= \sqrt{ {(5)}^{2} + ( - 12)^{2} } \\ \hspace{16 pt}= \sqrt{ 25 + 144 } \\ \hspace{16 pt}= \sqrt{ 169 } \\ \therefore \: d =13 \: units \\$

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Read 2 more answers

A toy company spends $20 for every doll it makes. Promotion of the dolls costs $400 and the company sells each doll for $30. How

Romashka-Z-Leto [24]

Answer:

$20d+400< 30d$

Step-by-step explanation:

we know that

The profit is equal to the number of dolls multiplied by the selling price minus the number of dolls multiplied by the cost of each doll minus the cost of the promotion of the dolls

To make a profit, the number of dolls multiplied by the selling price minus the number of dolls multiplied by the cost of each doll must be greater than the cost of the promotion of the dolls

Let

d -----> the number of dolls

The linear inequality that represent this problem is

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$30d > 20d+400$

Rewrite

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