Mana is saving to buy a new bicycle. the equation d = 12w represents the amount in dollars, d, that mana saves in w weeks. what is the constant of proportionality? what does it represent in this situation?

Constant of proportionality is 12

The cost of buying new bicycle changes  12 dollar per week

Step-by-step explanation:

we are given

The equation as

where

d represents the amount in dollars

w is number of weeks

now, we can compare it with

where

k is constant of proportionality

we can compare

and we get

k=12

So,

Constant of proportionality is 12

we can see that

So,

The cost of buying new bicycle changes  12 dollar per week

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x