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2 years ago

How do you write 20/10 as a mixed number

Mathematics

1 answer:

jolli1 [7]2 years ago

5 0

It does not equal a mixed number, but a whole number so write 2 instead of a mixed number.

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If 2.5 mol of dust particles were laid end to end along the equator, how many times would they encircle the planet? The circumfe

Natalka [10]

Answer:

They encircle the planet $3.76\times 10^{11}$ times.

Step-by-step explanation:

Consider the provided information.

We have 2.5 mole of dust particles and the Avogadro's number is $6.022\times 10^{23}$

Thus, the number of dust particles is:

$2.5\times 6.022\times 10^{23}=15.055\times 10^{23}$

Diameter of a dust particles is 10μm and the circumference of earth is 40,076 km.

Convert the measurement in meters.

Diameter: $10\mu m\times \frac{10^{-6}m}{\mu m} =10^{-5}m$

If we line up the particles the distance they could cover is:

$15.055\times 10^{23}\times 10^{-5}=15.055\times 10^{18}=1.5055\times 10^{19}$

Circumference in meters:

$40,076km\times \frac{1000m}{1km}=40,076,000 m$

Therefore,

$\frac{1.5055\times 10^{19}}{40,076,000} = 3.76\times 10^{11}$

Hence, they encircle the planet $3.76\times 10^{11}$ times.

8 0

3 years ago

Write words to match expression for (5x2)x (3x15)

liq [111]

Five times two times three times fifteen

7 0

3 years ago

Show you work for 1.03 time 1.03

hram777 [196]

1.03 time 1.03 = 1.0609

6 0

3 years ago

Read 2 more answers

Translate and solve: The difference of n and 1/6 is 1/2.

enyata [817]

<h2>Translating Words into Problems</h2>

We can translate a word equation into a mathematical equation by translating key words into operations.

<em>difference</em> = subtract
<em>is</em> = equals

<h2>Addinng Fractions</h2>

Whenever we need to add one fraction to another, we must find a common denominator, change both the fractions for their denominators to be the same, and then add the numerators. Finally, we reduce the fraction.

<h2>Solving the Question</h2>

We're given:

The difference of n and $\dfrac{1}{6}$ is $\dfrac{1}{2}$ .

Translate the given information into an equation:

⇒ $n-\dfrac{1}{6}=\dfrac{1}{2}$

Solve for <em>n</em>:

⇒ $n-\dfrac{1}{6}=\dfrac{1}{2}\\\\n=\dfrac{1}{2}+\dfrac{1}{6}\\\\n=\dfrac{3}{6}+\dfrac{1}{6}\\\\n=\dfrac{4}{6}\\\\n=\dfrac{2}{3}$

<h2>Answer</h2>

$n=\dfrac{2}{3}$

4 0

2 years ago

A bakery sells 1 lemon poppy muffin for every 9 bran muffins sold. Which table

qaws [65]

Answer:

Step-by-step explanation:

8 0

2 years ago