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scZoUnD [109]
3 years ago
14

Item 5

Mathematics
2 answers:
Archy [21]3 years ago
8 0
8,000 meters in 8 kilometers
lisov135 [29]3 years ago
6 0

Answer:

OPTION C

Step-by-step explanation:

1KM=1000M

THEREFORE,8 KM=8*1000M

=8000M

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Answer: 9m x 9m x 9m x 9m

Step-by-step explanation:

8 0
3 years ago
Three vertices of ▱ABCD are A(−3, 3), B(5, 9), C(6, 4). Find the coordinates of vertex D.
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The coordinates of vertex d is (-3, -4)
3 0
3 years ago
16 factory workers made 40 pieces in a certain amount of time.
qwelly [4]

a) The quantities vary directly

b) The constant of variation is 2.5

Step-by-step explanation:

Lets us revise the direct and inverse variation

  • If y varies x directly, then y = kx, that means the ratio between them is constant ( \frac{y}{x}=k ) , they increased together and decreased together, k is the constant of variation
  • If y varies x inversely, then yx = k, that means when x increased y must be decrease ( y=\frac{k}{x} ) k is the constant of variation

∵ 16 factory workers made 40 pieces in a certain amount of time

- If the number of worker increased, then the number of pieces

   increased in the same certain time, if the number of worker

   decreased, then the number of pieces also decrease in the

   same certain time

∴ The the number of workers and the number of pieces produce

   vary directly

∴ Number of pieces produced = k × number of worker

a) The quantities vary directly

∵ The number of worker = 16

∵ The number of pieces produced = 40

- Substitute these values in the equation of variation above

∴ 40 = k × 16

- Divide both sides by 16

∴ k = 2.5

b) The constant of variation is 2.5

Learn more:

You can learn more about variation in brainly.com/question/10708697

#LearnwithBrainly

3 0
3 years ago
Pls help me, i dont know what i’m doing
Keith_Richards [23]

Answer:

The answer is in the pic above

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2 years ago
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