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babymother [125]
3 years ago
7

If a positive number a is 150 percent of 4p, and if p is

Mathematics
1 answer:
Andrej [43]3 years ago
7 0
Sorry but this isnt even a full question.......
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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
Please help me with this. It makes no sense to me.
lara [203]

Answer:

D

Step-by-step explanation:

<8 and <5 are vertical angles

6 0
2 years ago
Which fraction has repeating decimal as it’s decimal expansion
Elis [28]

Step-by-step explanation:

The definition of a repeating decimal is a fractional number in which one or more numbers after the decimal point repeats indefinitely. The fractional representation of 1/3, which is . 3333333 (with the 3 repeating forever) is an example of a repeating decimal.

7 0
3 years ago
Show some work please or an explanation please. I'll give out brainlest.<br><br> 3x + 5 = -x -7
Viefleur [7K]

Step-by-step explanation:

3x+x=-7-5

4x=-12

x=-12/4

x=-3

7 0
3 years ago
Read 2 more answers
Your vacation cabin on the lake has three rooms. The bathroom is 12' X 6', the bedroom is 14' X 18' and the great room is 20' X
GarryVolchara [31]

Answer: 9240\ ft^3

Step-by-step explanation:

Given

Dimension of the bathroom is 12'\times 16'

Dimension of the bedroom is 14'\times 18

Dimension of the great room is 20'\times 30'

Height of the ceiling is h=10'

Total area of the cabin

\Rightarrow A=12\times6+14\times 18+20\times 30\\\Rightarrow A=72+252+600\\\Rightarrow A=924\ ft^2

Volume of the cabin is V=A\times h

\Rightarrow V=924\times 10\\\Rightarrow V=9240\ ft^3

8 0
2 years ago
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