Is |-4| equal to |4|?

Mathematics

2 answers:

weqwewe [10]3 years ago

5 0

Answer:

Yes

Step-by-step explanation:

Absolute value measures the distance between the number and 0. The distance between -4 and 0 is 4, and the distance between 0 and 4 is 4. Therefore, they are equal.

TiliK225 [7]3 years ago

4 0

Answer:

yes

Step-by-step explanation:

the l l symbol is the absolute value symbol, it counts how far the number is from zero meaning that the outcome is always positive.

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Find the sum of the odd integers between 24 and 50

morpeh [17]

Answer:

481

Step-by-step explanation:

There are several ways you can get there.

1. There are only 13 numbers, so you can write them down and add them up.

25 + 27 + 29 + ... + 47 + 49 = 481

2. You can use the formula for the sum of an arithmetic sequence. This one has a starting value of 25, an ending value of 49, and 13 terms.

Sum = ((start) + (end))/2 × (number of terms) = (25 +49)/2×13 = 481

3. You can use a formula for the terms of the series and evaluate the sum.

an = 25 +2(n -1) = 2n +23

$\sum\limits_{n=1}^{13}{(2n+23)}=2\sum\limits_{n=1}^{13}(n)+\sum\limits_{n=1}^{13}{(23)}=2\dfrac{13\cdot 14}{2}+13\cdot 23=481$

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Why?

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3 years ago

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Semmy [17]

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Answer:

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