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Elena L [17]
3 years ago
11

Hi, can someone explain to me what Constant of proportionality is using an example problem because I don't understand it.

Mathematics
1 answer:
juin [17]3 years ago
4 0

Answer:

The constant of proportionality is the ratio between two directly proportional quantities. Two quantities are directly proportional when they increase and decrease at the same rate. The constant of proportionality k is given by k=y/x where y and x are two quantities that are directly proportional to each other.

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Solve for X. Please!!
pychu [463]

Answer:

x = 37.5

Step-by-step explanation:

By Basic Proportionality Theorem:

\frac{x}{20}  =  \frac{46 - 16}{16} \\  \\   \frac{x}{20}  =  \frac{30}{16} \\  \\  x =  \frac{20 \times 30}{16}  \\  \\ x =  \frac{600}{16}  \\  \\ x = 37.5

3 0
3 years ago
Hi can someone please help me with my math work im very behind
Ipatiy [6.2K]

The volume of soup in the cylindrical can is 100.48 inches cube.

<h3>How to find the volume of a cylindrical can?</h3>

We have to find the volume of the soup in a cylindrical can of height 8 inches and 4 inches across the lid.

The volume of the soup is the volume of the cylindrical can.

Therefore,

volume of the cylindrical can = πr²h

where

  • r = radius of the cylinder
  • h = height of the cylinder

Therefore,

h = 8 inches

r = 4 / 2 = 2 inches

volume of the soup in the cylindrical can = πr²h

volume of the soup in the cylindrical can = π × 2² × 8

volume of the soup in the cylindrical can = π × 4 × 8

volume of the soup in the cylindrical can = 32π

Therefore,

volume of the soup in the cylindrical can = 32 × 3.14

volume of the soup in the cylindrical can = 100.48 inches³

learn more on volume here:brainly.com/question/23207959

#SPJ1

5 0
1 year ago
Help Please :))
3241004551 [841]
F(x) = 3x²-6x+2
f(2) = ?

f(2) = 3.2²-6.2+2
f(2) = 3.4-12+2
f(2) = 12-12+2
f(2) = 2

A) 2✔
5 0
3 years ago
Read 2 more answers
How do you work out the radius of a circle from its area ?
goblinko [34]

Answer:

u divide the area by 3.14

Step-by-step explanation:

it reverses the area

3 0
3 years ago
Read 2 more answers
What is the relationship between x and y?
DedPeter [7]
Y=x is the answer alone, since it only crosses the origin
3 0
3 years ago
Read 2 more answers
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