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Snowcat [4.5K]
3 years ago
6

In a two-digit number, the first digit is 5 less than the second digit. The number itself is three times the sum of its digits.

What is the number?
Mathematics
1 answer:
nika2105 [10]3 years ago
6 0

Answer:

Step-by-step explanation:

27

2+7=9

9x3=27

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a shipping company charged $15 to ship a package and 5% to ensure the package what was total cost to ship this
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15.75

Step-by-step explanation:

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Suppose a railroad rail is 3 kilometers and it expands on a hot day by 15 centimeters in length. Approximately how many meters w
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Answer:

Answer:  13.4 m

Step-by-step explanation:

For small angles, x, in radians,

tan(x) ≈ sin(x) = x

Use this to create an approximate diagram for the problem as shown in the figure below.

The actual deflected shape is parabolic, but it is approximated by an isosceles triangle with small equal angles.

The extend length is 3 km + 12 cm, which is 

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Let h+  the rise of the center of the rail above ground.

From the Pythagorean theorem, obtain

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h² = 1500.06² - 1500² = 180.004

h = 13.4 m, which is about 0.9% of the original length.

Read more on Brainly.com - brainly.com/question/5596356#readmore

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Every night Nathan has to read at least 25 minutes. Write an inequality that shows how long Nathan can read each night
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Answer:

25<=x

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