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2 years ago

12

Manny walks a total of 0.75 mile to and from school each day. If there are 25 days in a month, how many miles has he walked in a

ll?

1 answer:

nexus9112 [7]2 years ago

4 0

Answer:

18.75

Step-by-step explanation:

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Two pentagons are similar. So, their corresponding sides must have the same lengths.

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False.

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3 years ago

The average kinetic energy of the atoms in an object determines its _____.

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I am quite sure that it is B: Temperature

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<img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%2F7%7D%7B7%5Csqrt%7B10%7D%2F2%20%7D" id="TexFormula1" title="\frac{3/7}{7\sqrt{10}

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Multiply the numerator and denominator by 7×2 = 14 to eliminate the denominators of those fractions:

$\dfrac{\dfrac37}{\dfrac{7\sqrt{10}}2}\times\dfrac{14}{14}=\dfrac{3\times2}{7\sqrt{10}\times7}=\dfrac6{49\sqrt{10}}$

Rationalize the denominator by multiplying both numerator and denominator by √10:

$\dfrac6{49\sqrt{10}}\times\dfrac{\sqrt{10}}{\sqrt{10}}=\dfrac{6\sqrt{10}}{49(\sqrt{10})^2}=\dfrac{6\sqrt{10}}{49\times10}=\dfrac{6\sqrt{10}}{490}$

Lastly, cancel the common factor of 2 in both the numerator and denominator (which comes from 6 = 2×3 and 490 = 2×245):

$\dfrac{6\sqrt{10}}{490}=\dfrac{3\sqrt{10}}{245}}$

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3 years ago

in circle T with m angle STU=50 and ST=3 units, find the length of arc SU. Round to the nearest hundredth.

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9514 1404 393

Answer:

arc SU ≈ 2.62 . . . units

Step-by-step explanation:

The arc length is given by ...

s = rθ

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Step-by-step explanation:

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