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Archy [21]
2 years ago
13

Convert the length of 7 centimeters to meters. Compare the numerical values when both numbers are written in scientific notation

.
I have this so far:
7 centimeters= 0.07 meters
0.07 in scientific notation is 7x10^-2
Mathematics
1 answer:
Pie2 years ago
8 0
I think you did correct.
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Ainat [17]

Answer:

8.68 seconds

Step-by-step explanation:

Given:

Height of the deck above the street, s = 370 m

Since the condition is of free falling

thus,

initial speed, u = 0

Acceleration of the penny = acceleration due to gravity, g = 9.81 m/s²

Now,

from Newton's equation of motion, we have

s=ut+\frac{1}{2}at^2

here,

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a is the acceleration

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on substituting the values, we get

370=0\times t+\frac{1}{2}\times9.81\times t^2

or

t² = 75.433

or

t = 8.68 seconds

8 0
3 years ago
Solve 2x + 5y = –13. 3x – 4y = –8
disa [49]
If you would like to solve 2x + 5y = - 13 and 3x - 4y = -8, you can do this using the following steps:

<span>2x + 5y = -13  /*4
3x - 4y = -8     /*5
</span>_________________
8x + 20y = -52
15x - 20y = -40
_________________
8x + 15x + 20y - 20y = -52 - 40
23x = -92    /23
x = -92 / 23
x = -4

<span>2x + 5y = -13
</span>2 * (-4) + 5y = -13
-8 + 5y = -13
5y = -13 + 8
5y = -5
y = -1

(x, y) = (-4, -1)

The correct result would be D.) <span>(-4, -1).</span>
8 0
3 years ago
Read 2 more answers
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nikklg [1K]
5/12 + 3/12 = 8/12

8/12 of the games are either sports or educational.
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3 years ago
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4. Octagons have eight angles and eight sides.
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There ya go!
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5 0
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Six point seven hundred eighty-nine thousandths.

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3 years ago
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