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2 years ago

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The sum of the digits of a three-digit number is 6. The hundreds digit is twice the units digit, and the tens digit equals to th

e sum of the other two. Find the number.

1 answer:

wlad13 [49]2 years ago

6 0

Answer:

231

Step-by-step explanation:

231

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ANEK [815]

Answer:

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Step-by-step explanation:

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2 years ago

Expand and simplify: (x-5)(x+5)

stealth61 [152]

X^2-5x+5x-25 (multiply (x-5) with (x+5))
X^2-25 ( -5x+5x =0)

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3 years ago

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Two students wanted to race 100 yards across a football field. How many feet will they run? (

Molodets [167]

Answer:

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Step-by-step explanation:

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2 years ago

The sum of a number times 10 and 17 is at most 27

guajiro [1.7K]

<em>Answer:</em>

<em>The value of the number should be 1 (or less I think)</em>

<em>Step-by-step explanation:</em>

<em>At most means the highest value of the sum should be 27.</em>

<em>10x + 17 = 27</em>

<em>10x = 27 - 17</em>

<em>10x = 10</em>

<em>x = 10/10</em>

<em>x = 1</em>

<em>∴</em><em>The value of the number should be 1</em>

5 0

2 years ago

PQRS is a diameter of a circle of radius 6cm. the lengths PQ , QR , and RS are equal .Semicircles are drawn on PQ and QS as diam

velikii [3]

$r=6
\\d=2r=12
\\PQ=QR=RS= \frac{d}{3} = \frac{12}{3} =4
\\
\\P= \frac{1}{2}\times 2r\pi+\frac{1}{2}\times 2\times QR\times\pi+\frac{1}{2}\times 2 \frac{PQ}{2} \pi
\\
\\P=r\pi+QR\times\pi+\frac{PQ}{2} \pi
\\
\\P=6\pi+4\pi+\frac{4}{2} \pi
\\
\\P=12\pi$

4 0

2 years ago