3 years ago

I NEED HELP!

Mathematics

1 answer:

Anna11 [10]3 years ago

8 0

1. no
2.a,e
3.b.<span>{0, 2, 4}</span>
4.Yes
5.No

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the length and width of the rectangle are in ratio 4:3.If the perimeter of the rectangle is 56 m find the length and width of th

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Answer:

length = 4x

width = 3x

perimeter = 56 m

also, perimeter = 2 (length + width) [from formula]

therefore, 2(4x + 3x) = 56m

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3 years ago

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WHO CAN ANSWER THIS TOOO

Snowcat [4.5K]

<h2><u>Direct answer</u> :</h2>

Width of the enlarged photograph = 14 cm

<h2><u>Steps to derive the correct answer</u> :</h2>

Length of a small photograph = 6 cm

Width of a small photograph = 4 cm

Length of the photograph when enlarged = 21 cm

Let the width of the photograph when enlarged be x.

Which means :

$= \tt 4 : 6 : : x : 21$

$=\tt \frac{4}{6} = \frac{x}{21}$

$=\tt 4 \times 21 = 6 \times x$

$=\tt 84 = 6x$

$=\tt x = \frac{84}{6}$

$=\tt x = 14$

Thus, the value of x = 14

Therefore, the width of the enlarged photograph = <u>14 cm</u>

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