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fgiga [73]
3 years ago
15

How do you write 6,900 in scientific notation? * 10

Mathematics
1 answer:
saw5 [17]3 years ago
6 0

Answer:

6.9 x 103

Step-by-step explanation:

You might be interested in
addison and kelsey are running on a path modeled by x^2+y^2-10x-18y-378=0, where the distance is in meters. what is the maximum
bulgar [2K]

The maximum distance is the <u>diameter of the circle</u>, which is of 44 units.

The equation of a circle of <u>radius r and center</u> (x_0,y_0) is given by:

(x - x_0)^2 + (y - y_0)^2 = r^2

  • The diameter is <u>twice the radius</u>, and is the <u>maximum distance</u> between two points inside a circle.

In this problem, the circular path is modeled by:

x^2 + y^2 - 10x - 18y - 378 = 0

We complete the squares to place it in the standard format, thus:

x^2 - 10x + y^2 - 18y = 378

(x - 5)^2 + (y - 9)^2 = 378 + 25 + 81

(x - 5)^2 + (y - 9)^2 = 484

Thus, the radius is:

r^2 = 484 \rightarrow r = \sqrt{484} = 22

Then, the diameter is:

d = 2r = 2(22) = 44

The maximum distance is the <u>diameter of the circle</u>, which is of 44 units.

A similar problem is given at brainly.com/question/24992361

7 0
2 years ago
EXTREMELY URGENT GEOMETRY! 15 POINTS!<br><br> PLEASE HELP
zhenek [66]

Answer:

20.3 units

Step-by-step explanation:

AB/CB = BD/AB

9/CB = 4/9

CB = 9×9/4

CB = 81/4 = 20¼ units

20.25 (20.3 units correct to 1 dp)

7 0
2 years ago
What is the value of a 3 - b 2 for a = 3 and b = ?
stellarik [79]

Answer:

a^3 - b^2 for a = 3 and b = 1/2

3^3 - (1/2)^2

= 27 - 1/4

= 26 3/4

Step-by-step explanation:

7 0
3 years ago
What are the terms or 8x+6
Bumek [7]

Answer:

14x. ....................

4 0
2 years ago
Please help will mark brainlyist
Hatshy [7]

Answer:

A lot

Step-by-step explanation:

A lot

7 0
2 years ago
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