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2 years ago

11

The diameter of Mercury is approximately 4.9×10^3 kilometers.

2 answers:

Aleks [24]2 years ago

7 0

Hi!

I'm quite sure the answer should be 24.

Mrrafil [7]2 years ago

6 0

2.4 I'm doing this for points by its correct put me as brainliest

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Can somebody explain this to me when 2du = 16xdx ???

tamaranim1 [39]

When you set $u=4x^2+4$ , you end up with the differentials $\mathrm du=8x\,\mathrm dx$ . Multiplying both sides by 2 gives $2\,\mathrm du=16x\,\mathrm dx$ .

Then the integral is

$\displaystyle\int_0^1\frac{16x}{(4x^2+4)^2}\,\mathrm dx=\int_4^8\frac2{u^2}\,\mathrm du=-\frac2u\bigg|_{u=4}^{u=8}=-2\left(\frac18-\frac14\right)=\frac14$

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2 years ago

A certain drink is made by adding 4 parts water to 2.5 part drink mix. What percent of the mixture is water? Omit % sign in your

Maru [420]

The mixture contains 61.5% of water.

<u>Step-by-step explanation:</u>

Total parts = 4+ 2.5 = 6.5

Parts of water =4

parts of drink = 2.5

Percent of water in the mixture = 4 × 100/ 6.5

= 400/6.5

= 61.53%

It is rounded to the nearest tenth as 61.5%.

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2 years ago

3. A toy car is traveling with a velocity of 4 m/s and has a mass of 1120g. What is the car's

adell [148]

Kinetic Energy
=
1
2
m
v
2

=
1
2
1120
⋅
40
2
=
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=
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J

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2 years ago

Is-6 is greater then -4.50

alexgriva [62]

-4.50 is closer to 0 so no

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2 years ago

What’s the length of the wall?

irinina [24]

Answer:

B?

Step-by-step explanation:

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2 years ago

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