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Luba_88 [7]
1 year ago
12

Simplify: -16b4 + (-18b4)

Mathematics
1 answer:
GuDViN [60]1 year ago
4 0

Answer:

-34b4

Step-by-step explanation:

Since the variables are the same b4, you just add the constants (-16 & -18).

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Slope = (2+5)/(-3-1) = 7/-4 = -7/4

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If it's $8 for four bottles how much is each bottle?
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Hi there! $8 per 4 bottles means price/# of bottles will give you the average price per bottle.

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Q7) A rectangular piece of land measures 8 m by 5m. It is to be fenced with four lines of wire. What length of wire is needed fo
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Answer:

26 m

Step-by-step explanation:

Find what length is needed for fencing by finding the perimeter of the land.

Use the perimeter formula, P = 2l + 2w

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8 0
2 years ago
Eva has £6.05 in her moneybox.
PIT_PIT [208]

Answer:

11 of 20p, 22 of 10p and 33 of 5p

Step-by-step explanation:

Eva has 20p, 10p and 5p coins, total of £6.05 = 605p

Let 20p=x, 10p=y, 5p=z

<u>Then</u>:

  • 20x + 10y + 5z = 605
  • y : x = 2 : 1 ⇒ x= y/2
  • y : z = 2 : 3 ⇒ z= 3y/2

<u>Rewriting the first equation considering next two:</u>

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  • z = 3y/2 = 3*11 = 33

<u>Answer:</u> 11 of 20p coins, 22 of 10p coins and 33 of 5p coins

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2 years ago
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Answer:

I had to repost my answer because i got deleted from some reason

Step-by-step explanation:

Download pdf
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