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AlladinOne [14]
3 years ago
5

If the radius of a circle is 15 cm, what is the diameter?

Mathematics
2 answers:
attashe74 [19]3 years ago
5 0
The answer is the second answer, 30 cm 
krok68 [10]3 years ago
3 0
The answer is 30 cm. Radius is half of a diameter.
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Evan and Riley are detectives at the Super Sleuths Detective Agency. Even solved 7/9 of the mysteries last year. Riley solved 14
Kobotan [32]

Answer:

Step-by-step explanation:

Let the number of mysteries solved=x, then according to question, number of mysteries Evan solved=\frac{7}{9}x, also together they solve all the mysteries, thus

14+\frac{7}{9}x=x

14=x-\frac{7}{9}x

14=\frac{9x-7x}{9}

14=\frac{2x}{9}

2x=126

x=63

Thus, total number of mysteries solved=63.

Also, total number of mysteries Evan solved=\frac{7}{9}x= \frac{7}{9}{\times}63=49.

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Answer:

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Step-by-step explanation:

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VARVARA [1.3K]

y = 14 !

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4 0
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Read 2 more answers
Work out (4 x 3)² ÷ 6
blondinia [14]

An expression is defined as a set of numbers, variables, and mathematical operations. The solution of (4 x 3)² ÷ 6 is 24.

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

The solution of the expression (4 x 3)² ÷ 6 is,

(4 x 3)² ÷ 6

= (12)² ÷ 6

= 144 ÷ 6

= 24

Hence, the solution of (4 x 3)² ÷ 6 is 24.

Learn more about Expression:

brainly.com/question/13947055

#SPJ1

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2 years ago
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