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Mila [183]
4 years ago
8

Answer all !!!!!!!!!! Help please ASAP!!!!!!!!!!! 20 points

Mathematics
1 answer:
eimsori [14]4 years ago
8 0
I know 15, 17, 18, and 19 are for sure true and that 16 is false. I’m not sure about 20
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What is 4.2x10^10/ 3x10^3 simplified
dem82 [27]
1.4x10^20
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3 years ago
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An item on sale for $34 that is normally $56, what percent was it on
strojnjashka [21]

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About 39.28%

Step-by-step explanation:

56-34=$22

22/56=39.28%

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3 0
4 years ago
Solve this system by elimination. <br> 3x+4y=5<br> -5x-4y=-11
ehidna [41]
 3x + 4y = 5
<u>-5x - 4y = -11</u>
       -2x = -6
       -<u>2x</u> = <u>-6</u>
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<u>   -9          -9</u>
         4y = -4
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          4      4
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3 0
4 years ago
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7th grade math pls help
Leona [35]

Answer:

150.72

Step-by-step explanation:

2πr = circumference

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3 0
3 years ago
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Please help I need asap
grandymaker [24]
A) around 13 ish. It's hard to frel the exact point. B) 26.08 C) .77 I hope that this helps
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