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Sergeu [11.5K]
3 years ago
5

What is the value of 4.5 x 10^5 written in standard form?

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
3 0

Answer:

4500000

Step-by-step explanation: Let me know if this helped

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Each of the four sides of a swimmimg pool measures 9 meters. The pool is 5 meters deep. How much water will be needed to fill it
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In this problem, we are asked for the volume of the pool filled with water. In this case, the volume of the rectangular prism is equal to length times width times height. Since length and width are equal, the formula includes the squaring of the length. after substitution, the formula is 9^2 * 5 equal to 405 m3. 
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C. 7790.83 cm^3

Step-by-step explanation:

The volume of a sphere is given by

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Using 3.14 for pi  (This will give us an approximation, not an exact value)

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3 years ago
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What is the area of this shape?<br><br> PLEASE HELP!
Andrej [43]

Answer: 5

Step-by-step explanation:

1+1+1+1+1

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If x= sin theta then x/√1-x^2 is​
SCORPION-xisa [38]

Well,

Given that x=\sin(\theta),

We can rewrite the equation like,

\dfrac{\sin(\theta)}{\sqrt{1-\sin(\theta)^2}}

Now use, \cos(\theta)^2+\sin(\theta)^2=1 which implies that 1-\sin(\theta)^2=\cos(\theta)^2

That means that,

\dfrac{\sin(\theta)}{\sqrt{1-\sin(\theta)^2}}\Longleftrightarrow\dfrac{\sin(\theta)}{\sqrt{\cos(\theta)^2}}

By def \sqrt{x^2}=x therefore \sqrt{\cos(\theta)^2}=\cos(\theta)

So the fraction now looks like,

\dfrac{\sin(\theta)}{\cos(\theta)}

Which is equal to the identity,

\boxed{\tan(\theta)}=\dfrac{\sin(\theta)}{\cos(\theta)}

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r3t40

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3 years ago
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