The ceilings in roberto's house are 12 feet high. how many meters high are the ceilings?

The ceiling is 3.6576 meters high

Step-by-step explanation:

To solve this problem, we will follow the steps below;

We can easily use proportion to solve this.

Let x be the height of the ceilings in meters

1 meter = 3.28084 feet

    x   =       12 feet

cross-multiply

3.28084 x  = 12

Divide both-side of the equation by 3.28084

3.28084 x/ 3.28084   = 12/3.28084

(On the left-hand side of the equation 3.28084 at the numerator will cancel-out 3.28084 at the denominator, while on the right-hand side of the equation 12 will be divided by 3.28084)

x   ≈  3.6576 meters

Therefore the ceiling is 3.6576 meters high

answer: the price of one pound cabbage = $ 0.8

the point (10,8) represents that the cost of 10 pounds cabbage is $ 8

step-by-step explanation:

since, here is a proportional relation between the number of pounds of cabbage (x) and the price in dollars (y).

therefore, we can write,

⇒ y = k x

where k is the constant of proportionality.

now, point (5,4) is in the line.

thus, it will satisfies the above equation of line.

⇒ 4 = 5 k

⇒ k = 0.8

thus, the equation of the line is,

y = 0.8 x

a) for x = 1,

y = 0.8

therefore, the cost of one pound of cabbage is 0.8 dollars.

b) in the below graph (10,8) represents that the cost of 10 pounds of cabbage is 8 dollars.

  the correct choice is marked

step-by-step explanation:

the first two graphs show multiple turning points. the last graphs matches the description in every detail.