Answer:
The sum of two negative integers is always negative.
Step-by-step explanation:
For example, add -1+-1 which =-2, which are the smallest neggative numbers possible.-100+-100=-200, and -4+-4=-8, so you see that the sum of two negative integers should always be negative.
2/9=0.222
The answer would be 0.
Answer:
2) 90-62=28°
3) 180-108=72°
4) 180-89=91°
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Answer:
- 5/6 > 2/4
- 4/10 < 7/8
- 3/12 = 1/4
Step-by-step explanation:
The comparison will be the same if you subtract the right side and compare to zero:
a/b ?? c/d . . . . . . . using ?? for the unknown comparison symbol
a/b - c/d ?? 0 . . . . subtract the fraction on the right
(ad -bc)/bd ?? 0 . . . combine the two fractions
ad - bc ?? 0 . . . . . . multiply by bd to make the job easier
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<u>5/6 and 2/5</u>
5(5) -6(2) = 25 -12 > 0 ⇒ 5/6 > 2/5
<u>4/10 and 7/8</u>
4(8) -10(7) = 48 - 70 < 0 ⇒ 4/10 < 7/8
<u>3/12 and 1/4</u>
3(4) -12(1) = 0 ⇒ 3/12 = 1/4
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Of course, you can use your calculator (or your memory) to change each of these to a decimal equivalent. The comparison should be easy at that point.
0.833 > 0.400
0.400 < 0.875
0.250 = 0.250