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serg [7]
3 years ago
7

Hey help me with some math by zoom. free tutoring yeah?

Mathematics
1 answer:
lisov135 [29]3 years ago
6 0

Answer:

why can't you write the questions on brainly?

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Compare the surface area-to-volume ratios of the moon and mars. express your answer using two significant figures.
antoniya [11.8K]

we know that

For a spherical planet of radius r, the volume V and the surface area SA is equal to

V=\frac{4}{3} *\pi *r^{3} \\ \\ SA=4*\pi *r^{2}

The
ratio of these two quantities may be written as

SAV =\frac{(4*\pi*r^{2})}{(\frac{4}{3}*\pi*r^{3})}     \\  \\ SAV =\frac{3}{r}

we know

rMoon=1,738Km\\ rMars=3,397 Km

\frac{SAV Moon}{SAV Mars} =\frac{3}{rMoon} *\frac{rMars}{3} \\ \\ \frac{SAV Moon}{SAV Mars} =\frac{rMars}{rMoon} \\ \\ \frac{SAV Moon}{SAV Mars} =\frac{3,397}{1,738} \\ \\ \frac{SAV Moon}{SAV Mars} =1.9545

therefore

the answer is

1.9

5 0
3 years ago
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6- 1/3 = decimal maths
blagie [28]

Answer:

To get 6 1/3 in decimal form, we basically convert the mixed number to a fraction and then we divide the numerator of the fraction by the denominator of the fraction. Here are the detailed math steps we use to convert 6 1/3 mixed number to decimal form: Step 1:Multiply the whole number by the denominator: 6 × 3 = 18

Step-by-step explanation:

7 0
3 years ago
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A box is filled with 5 blue cards, 6 yellow cards, and 3 brown cards. A card is chosen at random from the box. What is the proba
mars1129 [50]

4/7 of a chance.  There are a total of 14 cars.  6 are yellow.  8 are not.  8/14 of the cards are not yellow.  8/14 simplifyed= 4/7.

4 0
3 years ago
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Est form. Lessons 3-5)<br> 2<br> 9
Gekata [30.6K]

Answer:

what is this mean is there a question

3 0
3 years ago
Describe a pattern in each sequence. what are the next two terms of each sequence ? 2,4,8,16​
yan [13]

Answer:

You are mulitplying the last number by two. The next two terms are 32 and 64.

Step-by-step explanation:

8 0
3 years ago
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