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Inessa [10]
3 years ago
7

If r(x) = 2x^2 – 5x + 1, find r(x + 2)

Mathematics
1 answer:
quester [9]3 years ago
3 0

Step-by-step explanation:

1 Expand by distributing terms.

rx+r×2

2 Regroup terms.

rx+2r

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geniusboy [140]

Answer:

168 hours or 10080 minutes or 604800 seconds

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7 0
3 years ago
(2) 345
inessss [21]

Answer:

275 miles in 5 hours

55 miles in one hour

Check

to check if im right

275×2 would be how many miles she drove in 10 hours rght ? 275×2=550

550 miles in 10 hours

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10 hours plus 3 hours = 13 hours right ?

55 ×3 = 165

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715 miles in 13 hours

Step-by-step explanation:

715÷13 to get how many miles she drove in one hour .

=55 miles in 1 hour .

then multiply 55 ×5 to get how many miles she drove in 5 hours

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5 0
3 years ago
Nick can type 30 words a minute.<br> How many words can be typed in 9.5 minutes?
iren [92.7K]

Answer:

285 Words

Step-by-step explanation:

If in 1 minute he can type 30 words , then in 9.5 min he can type  30 x 9.5 = 285.0 = 285

So, Nick can type 285 words in 9.5 minutes.

Hope this Helps!

7 0
3 years ago
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