Yoga fun charges a $63 starting fee plus $12 per class. yoga for all charges no starting fee and $15 per class. for how many classes will the cost be the same at both places?

Step-by-step explanation:

so the equation would be 63+12x=15x

now you would have to isolate the variables

63+ 12x= 15x

    -12x    -12x

leaving you

63 = 3x

21=x

Hoped that helped

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since the airplane is moving with constant speed then the distance travelled can be calculated by x=u*t

in km/h would be:

x=640*3.5=2.240 km

in m/s would be:

u=640 km/h= 640.000 m/h =640.000/ 3600 m/s =177.8 m/s

t= 3.5 h= 3.5 * 3600 s=12.600 s

then x=u*t= 177.8*12.600= 2.240.280 m

the answer is:

the correct option:

b.

to solve the problem, we need to remember how to operate to simplify exponential expressions using the logarithms.

we are given the equation:

then, using placing logarith with base 7 on both sides of the equation, we have:

so, rounding the obtained result to two decimal places (nearest hundreth), we have:

hence, we have that the correct option:

b.

have a nice day!