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malfutka [58]
3 years ago
13

-8+20 use the number line to justify your answer

Mathematics
1 answer:
Nana76 [90]3 years ago
7 0

Answer:

12

Step-by-step explanation:

Start at negative 8 on the number line than move to positive 20

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Maria is draining her swimming pool. The depth of the water in the pool changes by −3/4 foot every hour.The depth of the water w
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Answer: 1 1/4feet

Step-by-step explanation:

From the question, we are informed that the depth of the water in the pool changes by −3/4 foot every hour and that the depth of the water was 5 feet when she started draining.

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2 years ago
5x+2y=-3;x+5y=4<br>plz answer me​
Alex17521 [72]

Answer:

x = -1 and y = 1

Step-by-step explanation:

5x + 2y = -3 . . . . . . . (i)

x + 5y = 4 . . . . . . . (ii)

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x + 5y = 4

x = 4 - 5y

  • Placing this value of x in eq. (i) :-

5(4 - 5y) + 2y = -3

20 - 25y + 2y = -3

-23y = - 23

<u>y = 1</u>

  • Placing the value of y in eq. (i)

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5x + 2 = -3

5x = - 5

<u>x = -1</u>

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3 years ago
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If 12 pens are packed equally into 2 boxes, how many pens will each box hold?
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6

Step-by-step explanation:

12/2=6

Hope it helps......

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