4 years ago

Is the equation proportional y=5x

Mathematics

1 answer:

satela [25.4K]4 years ago

6 0

Yes it is proportional.

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If a rectangle has the sides 5x-3 and 6x-4 what is the area and perimeter

neonofarm [45]

Step-by-step explanation:

$A = lw$

$A=(5x-3)(6x-4)$

$A=30x^2-20x-18x+12$

$A=30^2-28x+12$

$P=2(l + w)$

$P = 2(5x - 3 + 6x - 4)\\P=2(x-7)\\P=2x-14$

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3 years ago

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If a video is getting 12,000 views every 4 hours, how long will it take to reach 30,000 views?

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Step-by-step explanation:

12,000 views = 4 hours

=> 30,000 views = 4 * (30000/12000) = 10 hours.

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3 years ago

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just olya [345]

Answer:

27 cm²

Step-by-step explanation:

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3 years ago

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Here are the fuel efficiencies (in mpg) of 15 new cars.

alexira [117]

Answer:

$60 \%$

Step-by-step explanation:

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27,22,18,23 , 30 , 19,16,28,21

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2 years ago

Brothers Raymond and Eduardo are saving up money to send their parents on an anniversary vacation. They have calculated that the

Advocard [28]

Given:

Money they've already saved = $270

Trip will cost at least $500.

To find:

The amount they need to save more in order to make enough for the trip.

Solution:

Let they need $x more.

Money they've already saved = $270

Total money they will have = $(x+270)

Now, the trip will cost at least $500. It means, they need $500 or more than that. So, total money they will have needs to be greater than or equal to 500.

$x+270\geq 500$

$x\geq 500-270$

$x\geq 230$

Therefore, they need $230 or more than that to make enough for the trip.

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3 years ago