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RUDIKE [14]
3 years ago
15

Please help me with this

Mathematics
1 answer:
Alexxandr [17]3 years ago
5 0

If the perimeter is 98 cm, the sum of the lengths of two adjacent sides is 49 cm.

... (2x -1) + (3x +5) = 49 . . . . use the given information and relation

... 5x +4 = 49 . .  . . . . . . . . . simplify

... 5x = 45 . . . . . . . . . . . . . . . subtract 4

... x = 9 . . . . . . . . . . . . . . . . . divide by 5

The left side dimension is then

... 2x -1 = 2·9 -1 = 17 . . . . cm

The top dimension is

... 3x +5 = 3·9 +5 = 32 . . . . cm

The rectangle is 17 cm by 32 cm.

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6 0
3 years ago
A construction manager weighs a bundle of 9 identical bricks and a 7 pound concrete block. The bundle weighs 30 pounds.
denis23 [38]

Answer:

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An equation to show the total weight he carried is

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Since 9x represents the total weight of the bricks he carried

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6 0
3 years ago
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Answer:

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By putting the values, we get

= \frac{0.17}{0.34}

= 0.5

Thus, the above is the right solution.

3 0
2 years ago
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