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3 years ago

Find the circumference of a circle with a diameter of 7 cm.

Mathematics

2 answers:

professor190 [17]3 years ago

3 0

Answer:

3.14

Step-by-step explanation:

if you want the exact answer you can multiply 7 by the value of

, that is = 3.14

lana [24]3 years ago

3 0

Answer:

♕ $\large{ \tt{EXPLANATION}} :$

We are provided the diameter of a circle i.e 7 cm & we're asked to find out the circumference of a circle.

We know , the value of pi is always 3.14 or 22/7. Here , we're gonna put the value of pi as 22/7.

$\large{ \tt{❊ \: SOLUTION}} :$

$\boxed{ \tt{❃ \: Circumference \: Of \: Circle = \pi \: d}}$

Plug the values & then multiply :

$\large \tt \: ↬C = \frac{22}{7} \times 7$

$\large \tt ↬ C = \frac{22}{ \cancel{7}} \times \cancel{7}$

$\large{ \boxed{ \tt{↬C = 22 \: cm}}}$

$\boxed{ \boxed {\large {\tt{⟿ \: OUR \: FINAL \: ANSWER : \boxed{ \underline{ \tt{22 \: cm}}}}}}}$

✺ $\large{ \tt{STUDY\: TIP}} :$

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3 years ago

A vegetable garden and a surrounding path are shaped like a square that together are 12 ft wide. The path is 2 feet wide. The th

Snezhnost [94]

Answer:

80 ft²

Step-by-step explanation:

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3 years ago

Evaluate the expression x - 7, if x = 12.<br> 19<br> 17<br> 6<br> 5

SpyIntel [72]

Keep in mind that whenever you have a variable inside an expression, you have to think of it as a placeholder, hiding a certain value which we haven't specified yet.

Expressions with variables are a mean to express the generic idea underneath the expression, rather than its particular value.

So, an expression like x-7 represents the idea of subtracting 7 from a particular number. Once you give a specific value to x, the expression will become an actual subtraction between numbers, and you will be able to compute its value.

So, we have several values for x, which are several ways to turn our "abstract" subtraction into an actual, computable subtraction.

If $x = 12$ , the expression becomes $12-7$ and it evaluates to $5$ .