Mathematics, 25.04.2020 02:13 leslie4759

After Albemarle's heatwave, the rest of June was cooler. In fact, at the end of the month, meteorologists reported that the average high for all 30 days in June was just 80 degrees Fahrenheit.

What was the average high (in degrees Fahrenheit) from June 11 through June 30?

Answers

Answer from: Quest

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

Answer from: Quest

step-by-step explanation:

ask goog great chance of finding the solution there

Given: b is the midpoint of ac and d is the midpoint of ce. prove: bd || ae

Answer from: Quest

3; 9 is 8 to -4

step-by-step explanation:

Answer from: Quest

$2^{2x+11}=3^{x-31}$

take the logarithm of both sides (the base of the log doesn't matter):

$\ln2^{2x+11}=\ln3^{x-31}$

apply the exponent property - this says that $\ln a^b=b\ln a$ :

$(2x+11)\ln2=(x-31)\ln3$

distribute the log terms on both sides:

$(2\ln2)x+11\ln2=(\ln3)x-31\ln3$

group like terms together:

$(2\ln2-\ln3)x=-11\ln2-31\ln3$

divide through both sides by the coefficient on $x$ :

$x=-\dfrac{11\ln2+31\ln3}{2\ln2-\ln3}$

you can do some additional rewriting here using the properties of the logarithm to simplify things if you like:

$x=-\dfrac{\ln2^{11}+\ln3^{31}}{\ln2^2-\ln3}$

$x=-\dfrac{\ln2^{11}3^{31}}{\ln\frac43}$

$x=-\log_{4/3}2^{11}3^{31}$

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