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3 years ago

Find the distance between points J(13,2) and K(7,10)

Mathematics

1 answer:

zaharov [31]3 years ago

7 0

Answer:

Step-by-step explanation:

√(13 – 7)^2 + (2 – 10)^2

√(6)^2 + (-8)^2

√36 + 64

√100

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I need so much help!!!!

USPshnik [31]

Answer:

94.25m

Explanation:

$\frac{3cm}{4.5m}$ × $\frac{19.5}{x}$

Solve for x.

(cross multiply & divide)

4.5 × 19.5 = 282.75

282.75 ÷ 3 = 94.25

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4 years ago

My original lenguaje is Spanish so I'm really bad in English.

NNADVOKAT [17]

Step-by-step explanation:

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3 years ago

If an oxygen atom has 8 protons and 10 neutrons in its nucleus, what is its atomic number? 10 8 not enough information to calcul

Elina [12.6K]

I believe the correct answer from the choices listed above is the second option. If an oxygen atom has 8 protons and 10 neutrons in its nucleus, then its atomic number would be 8. The atomic number is the number of protons in the nucleus of an atom. Hope this answers the question.

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3 years ago

Read 2 more answers

Simplify this step by step <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B-5jk%7D%7B35j%5E2k%5E2%7D%20" id="TexFormula1" tit

VikaD [51]

$\frac { -5jk }{ 35{ j }^{ 2 }{ k }^{ 2 } } \\ \\ =-\frac { 5 }{ 35 } \cdot \frac { j }{ { j }^{ 2 } } \cdot \frac { k }{ { k }^{ 2 } } \\ \\ =-\frac { 1 }{ 7 } \cdot \frac { 1 }{ j } \cdot \frac { 1 }{ k } \\ \\ =-\frac { 1 }{ 7jk }$

Remember that:

$\frac { j }{ { j }^{ 2 } } =\frac { 1 }{ j } \cdot \frac { j }{ j } =\frac { 1 }{ j } \cdot 1=\frac { 1 }{ j } \\ \\ \frac { k }{ { k }^{ 2 } } =\frac { 1 }{ k } \cdot \frac { k }{ k } =\frac { 1 }{ k } \cdot 1=\frac { 1 }{ k }$

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3 years ago

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Natali [406]

Answer:sjebdb

Step-by-step explanation:

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3 years ago