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arlik [135]
1 year ago
9

What is the sum of 4 and its addictive inverse

Mathematics
1 answer:
Stolb23 [73]1 year ago
5 0

Answer:

0

Explanation:

Given the value of a variable x, the additive inversee will be its negative value.

Hence the additive inverse of x is -x

For a value of 4, then its additive inverse is -4

Taking the sum of 4 and its additive inverse, we will have;

= 4 + (-4)

= 4 - 4

= 0

Hence the sum of 4 and its additive inverse​ is 0

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the length of a rectangle is 5 units longer than its width. If the perimeter must be at least 34 units, what are the possible le
ololo11 [35]

Answer:

w ≥ 6

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Step-by-step explanation:

The perimeter of a rectangle is equal to P = 2l+2w where l=length and w=width. Here the length is 5 feet longer than the width or 5+w. This means the width is w. Substitute P = 34, l=5+w and w into the perimeter equation. Then solve for w.

34 ≤ 2*(5+w) + 2w

34 ≤ 10+2w+2w

34 ≤ 10+4w

24 ≤ 4w

6 ≤ w

This means the width must be at least 6 so the solution is w ≥ 6.

To find the length substitute 6 into l ≤ 5+w.

l ≤ 5 + 6

l ≤ 11

The length is l ≥ 11.

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