3 years ago

Find a number such that five more than one half the number is three times the number

Mathematics

1 answer:

Kay [80]3 years ago

4 0

Answer:

0.5

Step-by-step explanation:

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x _> 9 I dont have the symbol on my phone so I just put the greater than sign there

Step-by-step explanation:

1. Subtract 3 from both sides

5x > 48 - 3

2. simplofy 48 - 3 to 45

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3. Divide both sides by 5

x > 45/5

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And again I dont have the sign thats why I used the greater than sign

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The perimeter of a rectangle is 16.6km, and its area is 13.42km2. Find its length and width. length : km width : km

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Answer:

l=5.12 & w=2.62

Step by step explanation:

A=l×w

13.42=lw

w=13.42/l

$p = 2(l + w) \\ 16.6 = 2(l + \frac{13.42}{l} ) \\ 16.6 = 2( \frac{ {l}^{2} + 13.42}{l}) \\ 16.6 = 2(l + 13.42) \\ 16.6 = 2l + 26.84 \\ 2l = 26.84 - 16.6 \\ 2l = 10.24 \\ l = \frac{10.24}{2} \\ l = 5.12km$

Since you have found the value of the length you can find the value.of the width.

$w = \frac{13.42}{l} \\ w = \frac{13.42}{5.12} \\ w = 2.62km$

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What is the area of the rectangle?

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Take a look at the picture i sent you

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Find a number such that five more than one half the number is three times the number​

Find a number such that five more than one half the number is three times the number