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hinsri
25.06.2019 •
Mathematics
Ihave a few questions for 50 points answer them truthfully and make sure you answer all of you 1) what is the sum of –18 and 12? a. –6 b. –12 c. 12 d. 6 2) evaluate: 9 – (–12) a. 3 b. 21 c. –3 d. –21 3) which number sentence is true? a. –2.0 + (–0.5) = 2.5 b. –4.5 + 6.5 = –2.0 c. 3.0 + (–0.5) = –2.5 d. 5.5 + (–2.5) = 3.0 4) which number sentence is true? a. –8.2 + (–4.1) = –4.1 b. –8.2 + (–4.1) = 4.1 c. –8.2 + (–4.1) = –12.3 d. –8.2 + (–4.1) = 12.3 5) evaluate: -9/5 - -9/5 a. 0 b. 2 c. 18/5 d. -18/5 you s much it me a
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Ответ:
1.) A
2.) B
3.) D
4.) C
5.) A
Step-by-step explanation:
Ответ:
160 cm3
Step-by-step explanation:
2/5 - 1/4 = 8/20 - 5/20 = 3/20
(3/20)t = 24
t = 160
160 cm3
can i pls have brainliest