3 years ago

If the diameter of a circle is 3, the circumference of the circle is

Mathematics

2 answers:

QveST [7]3 years ago

7 0

Answer:

3pi or approximately 9.42

Step-by-step explanation:

The diameter is 3

The circumference is given by

C = pi *d

C =3 pi

We can approximate pi by 3.14

C = 3*3.14

C =9.42

Kitty [74]3 years ago

3 0

Answer:9.42

Step-by-step explanation: Just google it

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Melons cost $20 pet Crate, and apples cost $8 per create. an order comes in for a total of 48 crates for $420. what was the numb

Alika [10]

Answer:

The number of melon was 3 and the number of apples was 45.

Step-by-step explanation:

1. Melons cost $20 per crate and apples cost $8 per create. If the total was 48 crates for $420, you can make the following system of equations, where $x$ is the number of melons and $y$ is the number of apples:

$\left \{ {{x+y=48} \atop {20x+8y=420}} \right.$

2. By applying the Method of substitution, you can solve for $y$ in the first equation and substitute it into the second one to find $x$ . Then, you can substitute the value of $x$ into the first equation to find $y$ :

$y=48-x$