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FrozenT [24]
3 years ago
7

ANYONE WHO ANSWERS THIS GETS BRAINIEST!! THANK YOU!!! :)

Mathematics
1 answer:
Vlad [161]3 years ago
4 0

Answer:

B;3

Step-by-step explanation:

That is because to complete the box you need the sum to subtract from one of the addends to be able to find the other and

28.42-24.72=3.7

Hope this helps:)

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Kay's mother taught her how to make handmade ornaments to sell at a craft fair. Kay rented a table at
omeli [17]

Answer: B

Step-by-step explanation: 6x represents the positive because it represents the amount being made from each ornament. The -30 represents the one-time cost of the table. And the -2.50x represents the cost of each ornament.

3 0
2 years ago
SOLVE IT SO MANY POINT<br><br> 3(7x+ 1) = 21
IrinaK [193]
<span>3(7x+ 1) = 21
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6 0
3 years ago
Read 2 more answers
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
Planes A and B intersect in line s. If point V is a point on line s, then it lies on: plane A only plane B only both plane A and
kirill [66]

Answer:

  both plane A and B

Step-by-step explanation:

All the points on the line of intersection lie in both planes. V lies in both plane A and plane B.

4 0
3 years ago
Is this correct? please do let me know honestly.
Wittaler [7]

Answer:

You're correct.

5 0
2 years ago
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