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RSB [31]
3 years ago
12

Please answer this question!

Mathematics
1 answer:
Aleks [24]3 years ago
8 0
406 divided by 140 makes 2.9 multiply that 100 and you arrive at 290%. Hope this helps!
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Express the area of this triangle as monomial.
gladu [14]

The formula of an area of a triangle:

A=\dfrac{1}{2}bh

b - base

h - height

We have b = 8x and h = 7x. Substitute:

A=\dfrac{1}{2}(8x)(7x)=(4x)(7x)=28x^2

<h3>Answer: 28x²</h3>
5 0
3 years ago
Which ordered pair is a solution to the system of equations?
melisa1 [442]

Answer:

(-2, -3)

Step-by-step explanation:

We assume your system of equations is ...

  • 2x - y = -1
  • 2x -4y = 8

You can subtract the second equation from the first to get

... (2x -y) -(2x -4y) = (-1) -(8)

... 3y = -9 . . . . . collect terms

... y = -3 . . . . . . divide by 3 . . . . this is sufficient to identify the correct answer

Substituting into the first equation, we have ...

... 2x -(-3) = -1

... 2x = -4 . . . . . add -3

... x = -2 . . . . . . .divide by 2

Now, we're sure the answer is (x, y) = (-2, -3).

3 0
3 years ago
A cell phone plan costs $20 a month and includes 200 free minutes. Each additional minute costs 5 cents. Assume that you use you
Korolek [52]

Answer:

The total cost C  = $10 + $0.05·x

Step-by-step explanation:

The given parameters are

The cost of the cell phone plan per month = $20

The number of minutes of free calls that one can make in a month = 200 minutes

The cost of additional minutes of cell phone call = 5 cent

5 cents to a dollar = $0.05

The total number of minutes of calls made in a month = x

The time duration of a person's usage of the cell phone in a month > 200 minutes

The total cost C of a person's usage per month is given by;

C = $20 + $0.05 × (x - 200) = $20 + 0.05·x - $10

C = $10 + $0.05·x

Where x > 200.

5 0
3 years ago
If a hexagonal prism has a volume of 539 cubic meters and is 16 meters tall, find the area of the hexagonal base
Pavlova-9 [17]

9514 1404 393

Answer:

  33 11/16 m² = 33.6875 m²

Step-by-step explanation:

The volume of a prism is given by ...

  V = Bh

where B is the area of the base, and h is the height. Solving for B, we find ...

  B = V/h

  B = (539 m³)/(16 m) = 33 11/16 m² = 33.6875 m²

8 0
3 years ago
Fred Merkel went to his bank and opened a club account. He deposited $19.75 every week. If he made 5 deposits before interest wa
nata0808 [166]
$98.75, it is just $19.75 times 5
4 0
3 years ago
Read 2 more answers
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