Dave is 8 years younger than 4 times Julia‘s age. If Dave is 16, how old is Julia?

Jane max and greg are splitting a 10 ounce bag of popcorn. If they share the popcorn equally how many ounces of popcorn will eac

Sauron [17]

Since it's 3 people splitting 10 oz, we get:
$\frac{10}{3}$

Which can then be simplified to a mixed fraction:
$3 \frac{1}{3}$

So, yes, you got it right! Good job!

5 0

2 years ago

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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

2 years ago

Which problem will have the greater quotient, 376.0 divided by 93 OR 376 divided by 93.01 ? Explain how you know.

emmainna [20.7K]

376/93 = 4.04301075

376/ 93.01 = 4.04257607.

So 376 divided by 93 is greater because the higher the divisor, the lower the quotient.

5 0

2 years ago

What is the approximate perimeter of the figure?

exis [7]

<span>This is a perimeter of 1/4 of a circle. We know that the radius of the circle: r = 5 in. Also the perimeter of the circle is : 2 * r * Pi = 2 * 5 * 3.14 = 31.4 in. For the quarter of a circle it its 31.4 : 4 = 7.85 in. After that we can add the 2 lengths of the radius: P = 5 + 5 + 7.85 = 17.85 in ( approx. 17.9 in ). Answer: C ) 17.9 in. </span>

7 0

2 years ago

Economists study the way society uses its resources. One important resource studied is agriculture. The recent increase in deman

Anon25 [30]

Answer:

Which is a reason that organic farming is more expensive than conventional farming?

Organic farmers must pay for a costly certification process

How many years must a farm be run organically before its produce can be labeled as “organic”?

3

What is a benefit of crop rotation?

Rotating crops can help build healthy soil.

Step-by-step explanation:

Just took the test!

8 0

2 years ago

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