1 over 4a = 2 over 3. Which of the following equals a in this equation?
1 answer:
Answer:
3/8
Step-by-step explanation:
The equation is given as:
We can simply the equation by getting rid of the denominators which is 4a and 3. Therefore we can multiply both sides with 3*4*a:
On the left hand side 4a cancels with 4a and on the right hand side 3 cancels with 3. We are left with:
∴ After simplying
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The magnitudes of the moon and Sirius are -12.5 and -1.44 respectively.
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The word magnitude is used by the scientist to describe the brightness of moon/star/object etc.
So we can find the brightness by dividing the given values. so we get
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The moon is 8.68 times brighter than Sirius.
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For your given conditions, the volume of 1/2 a sphere becomes
Seems to match your 2nd choice:
... 1 over 24 over 322 over 7(83)