3 years ago

What is distance formula solve . (8,-3) and (4-7)

Mathematics

2 answers:

steposvetlana [31]3 years ago

8 0

Answer:

5.656

Step-by-step explanation:

d=√(4-8)²+(-7-(-3))²

d=√(4-8)²+(-7+3)²

d=√(-4)²+(-4)²

d=√16 + 16

d=√32

d≈5.656

xeze [42]3 years ago

4 0

Answer:

4 √2

Step-by-step explanation:

D² = (8-4)² + (-3 -(-7))² = 4² + 4² = 32

D = 4 √2

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Ket [755]

Answer:

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2 years ago

17 13/18 divided by 2 7/9

erik [133]

let's firstly convert the mixed fractions to improper fractions and then divide.

$\bf \stackrel{mixed}{17\frac{13}{18}}\implies \cfrac{17\cdot 18 +13}{18}\implies \stackrel{improper}{\cfrac{319}{18}}~\hfill \stackrel{mixed}{2\frac{7}{9}}\implies \cfrac{2\cdot 9+7}{9}\implies \stackrel{improper}{\cfrac{25}{9}} \\\\[-0.35em] ~\dotfill$

$\bf \cfrac{319}{18}\div \cfrac{25}{9}\implies \cfrac{319}{\underset{2}{~~\begin{matrix} 18 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}}\cdot \cfrac{\stackrel{1}{~~\begin{matrix} 9 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}}{25}\implies \cfrac{319}{50}\implies 6\frac{19}{50}$