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Ymorist [56]
4 years ago
15

Divide. 31/2÷3/7 a.112 b.267 c.3314 d. 816

Mathematics
2 answers:
Vinvika [58]4 years ago
5 0

Answer:

31/2÷3/7

= 217 /6

= 36 1/6

≅ 36.16667

Step-by-step explanation:


My name is Ann [436]4 years ago
5 0

Answer:

like the first dude the answer is 36.1666666661

Step-by-step explanation:

reason being that 31/2 divided by 3/7 you flip 3/7 around so that you multiply 7 and 31 and multiply 2 and 3 making 217/6 and that simplified is 36.1666666661

YOUR ANSWER IS; <u><em>36.1666666661</em></u>

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In a lab, a substance was cooked by 42 C over a period of 7 hours at a constant rate. What was the change in temperature each ho
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Given that we have the change in temperature over 7 hours and we are looking for the change over 1 hour, we can divide the total change in temperature by 7. Thus, the change in temperature would be \frac{42}{7} C^{\circ}.


Additionally, this can be solved by equations:

\dfrac{42 \,\textrm{C}^{\circ}}{7 \,\textrm{hours}} = \dfrac{x \,\textrm{C}^{\circ}}{1 \,\textrm{hour}}

1 \,\textrm{hour} \cdot \dfrac{42 \,\textrm{C}^{\circ}}{7 \,\textrm{hours}} = x \,\textrm{C}^{\circ}

\dfrac{42}{7} \,\textrm{C}^{\circ} = x \,\textrm{C}^{\circ}

\dfrac{42}{7} = x


By using two different methods, we can determine that the change each hour was equal to 42/7 C° per hour.

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3 years ago
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Answer:

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Step-by-step explanation:

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Westkost [7]

Answer:

4/15

Step-by-step explanation:

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3 years ago
I don't understand how to do this so please explain or show me how to get the answer
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Answer:

m<ADB=70°

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Step-by-step explanation:

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2<ADB+40°=180°(<ADB=<ABD and <DAB=40°)

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