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72% of 50 is 36

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Answer:

See explanation

Step-by-step explanation:

Let c be the number of cows and d be the number of ducks.

c cows have 4c feet, d ducks have 2d feet. In total, c cows and d ducks have

4c + 2d = 148 feet.

Divide it by 2:

2c + d = 74.

This gives us that the number of ducks is even and cannot be 0 (because farmer Brwn has ducks). The minimum possible number of ducks is 2, so the maximum possible number of cows is 36.

All possible answers:

Ducks     Cows

  2             36

  4             35

  6             34

  8             33

  10            32

  12            31

  14            30

  16            29

  18            28

  20           27

  22           26

  24           25

  26           24

  28           23

  30           22

  32           21

  34           20

  36           19

  38           18

  40           17

  42           16

  44           15

  46           14

  48           13

  50           12

  52           11

  54           10

  56           9

  58           8

  60           7

  62           6

  64           5

  66           4

  68           3

  70           2

  72           1

Answer:

The answer is 7.6.

Step-by-step explanation:

The point which lies on Arturo's graph is option c. (1, 20)

What is Proportional Relationship?

Proportional relationships are relationships for which the equations are of the form y = kx, where k is a constant.

Here k is also called constant of proportionality.

Given that,

An elevator moves at a constant speed of 20 feet per second.

Speed = Distance / Time

Speed is constant.

20 = d / t, where d is the distance and t is the time.

d = 20t

When t = 1, d = 20.

(1, 20) lies on the graph of this relationship.

Hence the point (1, 20) lies on the graph of this relationship.

Learn more about Proportional Relationships here :

brainly.com/question/29765554

#SPJ6

The complete question with the options is given below.

An elevator moves at a constant speed of 20 feet per second. Arturo correctly graphs this proportional relationship on a coordinate plane. Which of the following points lies on Arturo's graph?

(a) (0, 20)

(b) (20, 0)

(c) (1, 20)

(d) (20, 1)

Answer:

Step-by-step explanation:

The general equation of the circle is of the form:

The circle passes through the point (0,0), this means replacing x = 0 and y = 0 must satisfy the equation Using these values, we get:

This means value of c is zero for the given circle. So, now the equation of the circle is:

Now using the point, (6, 0) in this equation, we get:

Hence the value of g is -3, using the value of g and c in our equation, the equation becomes:

Now using the 3rd point (0, -8) in this equation to find the value of f:

Using the value of g, f and c, the final equation of the circle is:

Answer:

= (162°)

Step-by-step explanation:

(81°) - (81°)

we know that;

(x°) - (x°) = (2x°)

(81°) - (81°) = (2 * 81°)

= (162°)