Abakery is considering buying one of two gas ovens. the bakery requires that the temperature remain constant during a baking operation. a study was conducted to measure the variance in temperature of the ovens during the baking process. the variance in temperature before the thermostat restarted the flame for the monarch oven was 2.1 for 13 measurements. the variance for the kraft oven was 3.3 for 18 measurements. does this information provide sufficient reason to conclude that there is a difference in the variances for the two ovens

why can't you?

step-by-step explanation:

x =-.20752

step-by-step explanation:

4^(x+2)=12

4^(x+2)=12

take the log base 4 on each side

log 4 (4^(x+2) = log 4(12)

we know log b(a^y) = y log b (a)

(x+2) log 4(4) = log 4 (12)

x+2 = log 4 (12)

we know   logb c = loga c/loga b

we want to convert to base 10   so a = 10

by default, we do not write the 10   c = 4   and b = 10

log4 10 = log 12/log 4

log4 10 = log 12/ log 4

x+2 = log 12/ log 4

subtract 2 from each side

x +2 -2 = log 12/ log 4 -2

x = 1.79248125 -2

x =-.20752

jbankston is right, use thhe link and you should find the answer.