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Papessa [141]
3 years ago
6

Paul has two label-printing machines. Each machine can print 30 labels per minute. On day 1, only the first machine was used, an

d it printed 90 labels. On the following day, the first machine printed for x minutes and the second machine printed for y minutes. Which expression shows the total number of labels printed by both machines during these two days?
120x + 30y
90 + 30x + 30y
30 + 90x + y
90x + 60y
Mathematics
2 answers:
lord [1]3 years ago
4 0
Answer- 90 + 30x + 30y
Hope this helped! ;)
Pepsi [2]3 years ago
3 0

Answer:

B.) 90 + 30x + 30y

Step-by-step explanation:

I AM TAKING THA TEST

:))))))) <3

hope this help btw

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Answer:

201

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3 0
3 years ago
Someone help <br> wh ores.
kirill115 [55]

Answer

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3 0
3 years ago
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Answer:

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8 0
3 years ago
Read 2 more answers
Caitlin is 62 1/4 inches tall. Her older brother Jaime is 9 1/2 inches taller than Caitlin.Jaime is 2 1/4 inches shorter than th
scoundrel [369]
To do this you want to first add 9 1/2 to 62 1/4.  9 1/2 is changed to 9 2/4.  9 2/4 plus 62 1/4 is 71 3/4.  Now you have to add 2/14 to 71 3/4 to find how tall their father is.  2/14 plus 71 3/4 is 74.  Their dad is 74 inches tall which is equal to 6 feet 2 inches.
5 0
3 years ago
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Simplify: 8i^7+6i^5-5i^3-3i^2-7i-9
Dmitry_Shevchenko [17]
<span>Consider the remainder of the division of the power exponent of i by 4.
For a remainder r equal to 0, 1, 2 or 3, we have a power equal to 1, i, -1 or -i respectively, therefore:

</span>8i^7+6i^5-5i^3-3i^2-7i-9 =
8*(-i) + 6*i - 5*(-i) - 3*(-1) - 7i - 9 =
- 8i + 6i + 5i + 3 - 7i - 9 =
3 - 9 - 8i + 6i + 5i- 7i =
=\boxed{- 6 - 4i}

Answer:
\boxed{- 6 - 4i}

<span>

</span>
5 0
3 years ago
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