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Firlakuza [10]
3 years ago
10

12 cm What is the radius of the cone? 1 cm 2 cm 4 cm 8 cm V = 167 cm

Mathematics
2 answers:
prisoha [69]3 years ago
4 0

Answer:

C. 2cm

Step-by-step explanation:

MakcuM [25]3 years ago
3 0

Answer:

what's the height? and are the numbers listed multiple choice?

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5 0
3 years ago
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The triangle on the right is a scaled copy of the triangle on the left. Identify the scale
Sveta_85 [38]

Answer:

the scale factor is 4 to 1, or just 4.

Step-by-step explanation:

5 0
3 years ago
Mrs. Martini is 6 years more than 3 times as old as Tony. Eight years ago, she
zalisa [80]

Mrs Martini age is 42 years and Tony age is 12 years

Step-by-step explanation:

The given is:

  • Mrs. Martini is 6 years more than 3 times as old as Tony
  • Eight years ago, she  was 2 years less than 9 times as old as he was then

Assume that Tony is x years old now

∵ Mrs. Martini is 6 years more than 3 times as old as Tony

∵ Tony is x years old

- Multiply the age of Tony by 3 and add 6 to the product

∴ The age of Mrs Martini = 3 x + 6

8 years ago

- Subtract 8 from the age of each one

Tony age = (x - 8)

Mrs Martini age = (3 x + 6) - 8 = 3 x + 6 - 8 = 3 x - 2

∵ Eight years ago, Mrs Martini was 2 years less than 9 times as old

  as Tony was then

- Multiply Tony age by 9 and subtract 2 from the product

∵ Tony age from 8 years ago = x - 8

∵ Mrs Martini age from 8 years ago = 3 x - 2

∴ 9(x - 8) - 2 = 3 x - 2

- Simplify the left hand side

∴ 9 x - 72 - 2 = 3 x - 2

- Add like terms

∴ 9 x - 74 = 3 x - 2

- Subtract 3 x from both sides

∴ 6 x - 74 = -2

- Add 74 to both sides

∴ 6 x = 72

- Divide both sides by 6

∴ x = 12

∵ x represents the age of Tony

∴ Tony is 12 years old

∴ 3 x + 6 is the age of Mrs Martini

- Substitute x by 12

∵ 3(12) + 6 = 36 + 6 = 42

∴ Mrs Martini is 42 years old

Mrs Martini age is 42 years and Tony age is 12 years

Learn more:

You can learn more about word problems in brainly.com/question/10557938

#LearnwithBrainly

6 0
3 years ago
Danielle has $3 in quarters and $2 in dimes in her pocket. If she randomly selects one coin out of her
sattari [20]
The answer is C. 3/5
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3 years ago
PLEASE HELP. <br><br> Use Triangle PQR to answer the question that follows:
Westkost [7]

Answer:

A- SEgments ST and PQ are parallel.

Step-by-step explanation:

4 0
3 years ago
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