If a 6 ft tall petrified stump casts a 3 ft
2 answers:
Answer:
16 feet
Step-by-step explanation:
In order to solve this question we will have to first find the relation ship between the length of the shadow and the height of an object. I order to find this relation ship we will have to divide the height of an object by the length of the shadow. So we do......
Now we know that if the height increases by 2ft the length of the shadow will increase by 1 foot (in other words the height of an object is twice as much as the length of its shadow). So now we just have to multiply the length of the shadow by 2 in order to get the height of the giraffe. And so we get.....
8 x 2 = 16
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<h3>Answer is 0</h3>
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Explanation:
Logarithms are used to solve exponential equations. Specifically if you have a variable in the exponent, then you use a log to isolate the variable.
If we set the given log expression to x, then we can rewrite it into 8^x = 1. The only value of x that works is x = 0.
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Or put another way,
8^x = 1
8^x = 8^0 ... replace the 1 with 8^0
x = 0 ... the bases are equal (to 8) so the exponents must be equal
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You can use the change of base formula to directly calculate this log