Calculator A middle schooler is h inches tall at the beginning of the school year. If the height of the middle schooler at the end of the year can be represented by the expression h +0.02h, which statement is true? The height of the middle schooler increased by 2% during the year, and 1.02h also represents the height of the middle schooler at the end of the year. The height of the middle schooler increased by 2% during the year, and 1.2h also represents the height of the middle schooler at the end of the year. The height of the middle schooler increased by 20% during the year, and 1.02h also represents the height of the middle schooler at the end of the year The height of the middle schapler increased by 20% during the year, and 1.2h also represents the height of the middle schooler at the end of the year.

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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

explanation:

step-by-step explanation:

step-by-step explanation: given equation a = h(b 1+b 2)

also we are given values of a, h and b 1 as :

a = 16, h = 4, and b 1 = 3.

in order to solve it for b 2, we need to plug the given values of   a, h and b 1 .

therefore, plugging values of   a, h and b 1   in given equation, we get

16 = 4( 3 + b 2)

first dividing both sides by 4, we get

4 = 3 + b 2

subtracting 3 from both sides, we get

4 -3 = 3 -3 + b 2

1 = b 2.