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victus00 [196]
3 years ago
13

Number 16 need steps thanks

Mathematics
1 answer:
Roman55 [17]3 years ago
8 0
Y = kx
49 = k * 7
49/7 = k
7 = k

y = kx.....when y = 63
63 = 7x
63/7 = x
9 = x <=== the length of the spring is 9 inches
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A conservative estimate of the number of stars in the universe is 6 x 10^22. The average human can see about 3,000 stars at nigh
Ilia_Sergeevich [38]

2 \times 10^{19} times more stars are there in universe compared to human eye can see

<h3><u>Solution:</u></h3>

Given that, conservative estimate of the number of stars in the universe is 6 \times 10^{22}

The average human can see about 3,000 stars at night with only their eyes

To find: Number of times more stars are there in the universe, compared to the stars a human can see

Let "x" be the number of times more stars are there in the universe, compared to the stars a human can see

Then from given statement,

\text{Stars in universe} = x \times \text{ number of stars human can see}

<em><u>Substituting given values we get,</u></em>

6 \times 10^{22} = x \times 3000\\\\x = \frac{6 \times 10^{22}}{3000}\\\\x = \frac{6 \times 10^{22}}{3 \times 10^3}\\\\x = 2 \times 10^{22-3}\\\\x = 2 \times 10^{19}

Thus 2 \times 10^{19} times more stars are there in universe compared to human eye can see

5 0
4 years ago
A regular hexagon measures 3x+5 units on each side. What is the perimeter in the simplest form?
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Step-by-step explanation:

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s344n2d4d5 [400]

Answer:

what is the square root of 180x^9 y^16 in simplest form

Step-by-step explanation:

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3 years ago
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