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maria [59]
4 years ago
5

Is it 1 solution, no solution or infinite solution? -28 = -7(3x + 4) + 21

Mathematics
1 answer:
prohojiy [21]4 years ago
5 0

x = 1 because -7(3x + 4) must be -49 so 3x + 4 must me 7 so x = 1

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It costs $520 to planf 4 acres of corn .how much would it cost to plant 0.6 acre of corn
Firlakuza [10]
To find an equivalent, divide 4 acres by .6 acres= 6.666...  then divide the cost of 4 acres ($520 by 6.666....= $78)  So it would cost 78 dollars to plant .6 acres of corn.
7 0
3 years ago
How man sides does a regular polygon have if each exterior angle measures 20?
inessss [21]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
Elsie bought a video game for $85. If the store charges 170% of its cost for the game, how much is the store's profit? *Hint: On
nikklg [1K]

Answer:

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7 0
3 years ago
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