$3^{x} = 243 \\ln(3^{x}) = ln(243) \\xln(3) = ln(243) \\\frac{xln(3)}{ln(3)} = \frac{ln(243)}{ln(3)} \\x = \frac{ln(243)}{ln(3)} \\x = \frac{ln(3^{5})}{ln(3)} \\x = \frac{5ln(3)}{ln(3)} \\x = 5$

4 0

3 years ago

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write the equation of a line in slope intercept form that has a slope of -2 and passes through the point (-1,8).

Alla [95]

8 = -2(-1) + b
8 = 2 + b
6 = b
y = -2x +6

6 0

3 years ago

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Started at 15 degrees and dropped 1/2 degrees each minute

Charra [1.4K]

Answer:

7.5 should be the answer sorry if its wrong i don't have all of the information

4 0

3 years ago

This graph shows the amount of charge left on my computer, c, after I have been awake for h hours.

timurjin [86]

Looks like 4.5. You want to find what h equals when c equals zero

6 0

3 years ago