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3 years ago

Please solve this and send a picture really urgent !!!!!!!!!!!!!!!

Mathematics

1 answer:

IgorLugansk [536]3 years ago

4 0

9514 1404 393

Answer:

3) ? = 21

4) ? = 6

Step-by-step explanation:

3) The given ratio is ...

A : B = 2 : 7

You want to find ? such that ...

2 : 7 = 6 : ?

The ratio is equivalent when both numbers are multiplied by the same value.

From your knowledge of multiplication tables, you know that 2×3 = 6. then 7×3 = ? = 21.

4) For this one, you need to recognize that the given number corresponds to B.

A : B = 2 : 3

2 : 3 = ? : 9

Again, you know that 3×3 = 9, so 3×2 = ? = 6.

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Now according to the question

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Now solve these two equations

2x = 11.666

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B. 27 cm by 45 cm

C. 9 cm by 15 cm

D. 30 cm by 50 cm

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The dimensions of the original painting = 12 cm by 20 cm painting

Hence, the proportion is:

12/20 = 0.6

Hence, we compare the options given in the question.

A. 1.5 cm by 2.5 cm

= 1.5/2.5 = 0.6 , option A is correct

B. 27 cm by 45 cm

27cm/45 cm = 0.6 Option B is correct

C. 9 cm by 15 cm

9cm/15cm = 0.6 , Option C is correct

D. 30 cm by 50 cm

30 cm /50 cm = 0.6 Option D is correct

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