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mario62 [17]
2 years ago
8

What is th vaule of n 9*27plus 2*31-28=n

Mathematics
2 answers:
Dennis_Churaev [7]2 years ago
8 0
243 + 62 - 28 = n
n = 305 - 28
n = 277
liberstina [14]2 years ago
3 0
9 × 27 + 2 × 31 - 28 = n
9 × 27 + 2 × 31 - 28 =
243 + 2 × 31 - 28 =
243 + 62 - 28 =
 305 - 28 =
<span>277

n = 277</span>
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Paraphin [41]

Answer:

f = -14

Step-by-step explanation:

given:

4 − (–5f) = –66

4 + 5f = -66   ( subtract 4 from both sides)

5f = -66 - 4

5f = -70  (divide both sides by 5)

f = (-70) / 5

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8 0
2 years ago
Harrison can purchase 4 dvds for $19.99 or 6 dvds for $22.50 which is the better deal?
adelina 88 [10]

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$22.50 x 6 = $135

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$22.50 x 4 = $90

The best answer to this choice is 4 dvds for $19.99. why?, because if it was 6 or 4 dvds for $19.99 the price would be more inexpensive then the price for $22.50, because if it was 22.50 x 4 or 6 dvds the price would be more expensive.  

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3 years ago
A car is 165 inches long. A truck is 65% longer than the car.<br> How long is the truck?
zmey [24]

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262.25 inches

Step-by-step explanation:

65% of 165 is 107.25

107.25+165=272.25

so the truck is 262.25 inches long

4 0
3 years ago
Estimate each quotient tell <br> which method you used
cupoosta [38]
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Please help with this question!
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a ) Two matrices cannot be multiplied.

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b )

The answer is | 20 - 4 - 12 |

| 8 2 19 - |

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