2 years ago

Need quick answers please

Mathematics

1 answer:

Olenka [21]2 years ago

5 0

Answer:

A, E, F, D

Step-by-step explanation:

Done this before

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28 - 2 (5a - 3) = 47

Alex787 [66]

Answer: $a=-1.3$

Step-by-step explanation:

1) Reorder the terms: $28 + (-3 * -2 + 5a * -2) = 47$

$28 + (6 + -10a) = 47$

2) Solving: $34 + -10a = 47$

3) Add -34 to each side of the equation: $34 + -34 + -10a = 47 + -34$

4) Combine like terms: 34 + -34 = 0: $0 + -10a = 47 + -34$

$-10a = 47 + -34$

5) Combine like terms: 47 + -34 = 13: $-10a = 13$

6) Divide each side by -10: $a = -1.3$

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2 years ago

I buy the same items every week and my bill is normally $90.00. why am i now being charged $108.00 for the exact same items?"

FromTheMoon [43]

Unless there has been a mistake in calculating the price, the only other explanation that the price for the item has been increased to a total of 108 - 90 = $18

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3 years ago