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zheka24 [161]
3 years ago
14

Two Trains Train A and Train B, weigh a total of 285 tons. Train A is heavier than Train B. The Difference of their weights is 2

21 tons. What is the weight of each​ train?
Mathematics
1 answer:
katen-ka-za [31]3 years ago
3 0

Answer:

312-170=142

142÷2=71

170+71=241

241+71=312

train A weighs 241 tons

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We are told that the employer matches 25% of Bianca's contributions to her 401(k). We are also told that Bianca's salary is $50,000 a year, of which she contributed $6000 to her own 401 (k). Her salary is not necessary to solve this, simply knowing how much she put into her 401(k) is enough information.

We can solve for 25% of $6000.

$6000 x 0.25 = $1500.

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zavuch27 [327]

Answer:

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Step-by-step explanation:

We can use the following approach to determine the smallest power of 10 that will exceed M. We can transform that number into scientific notation, which is of the form:

x.y \times 10^{n}, \forall \,x,y\in \mathbb{N}

Where:

x - Integer part, formed by a digit, which is of the highest order.

y - Decimal part, formed by a digit onwards.

n - Power grade.

The smallest power of 10 that will exceed M is 10^{n+1}

If M = 118,526.65902, then, the power grade is number of spaces that dot must be moved leftwards. In this case, dot must be moved 5 spaces on the left. The integer part is 1 and the decimal part is 1852665902. Then, the value of M in scientific notation is:

M = 1.1852665902\times 10^{5}

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