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Tasya [4]
3 years ago
9

A room covers 299.6 square feet. A painter paints the room in three days. The first day he covers 2/7 of the area. The next day

he covers twice as much. How many square feet does he cover on the last day?

Mathematics
2 answers:
Alborosie3 years ago
5 0

Answer:

128.4 feet

is the answer

Trava [24]3 years ago
4 0

Answer:

<em>On day the he covers </em>128.4 ft²

<u>Step-by-step explanation</u>:

Lets first figure out how much he has done so far

To figure out how much he does we can use a proportion

Set up a proportion for first day

2/7 = x/299.6

Solve the proportion

2×299.6÷7 = 599.2/7 = x

x = 85.6

<em>He covered 85.6 sq/ft on day 1</em>

Find day two

85.6 * 2 = 171.2

Find how much is left to do on day 3

299.6-171.2 = 128.4 ft²

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Answer:   {(x + 2), (x - 1), (x - 3)}

Step-by-step explanation:

Presented symbolically, we have:

x^3 - 2x^2 - 5x + 6

Synthetic division is very useful for determining roots of polynomials.  Once we have roots, we can easily write the corresponding factors.  

Write out possible factors of 6:  {±1, ±2, ±3, ±6}

Let's determine whether or not -2 is a root.  Set up synthetic division as follows:

-2   /   1   -2   -5   6

              -2     8   -6

     -----------------------

        1     -4      3    0

since the remainder is zero, we know for sure that -2 is a root and (x + 2) is a factor of the given polynomial.  The coefficients of the product of the remaining two factors are {1, -4, 3}.  This trinomial factors easily into {(x -1), (x - 3)}.

Thus, the three factors of the given polynomial are {(x + 2), (x - 1), (x - 3)}

7 0
3 years ago
Name a pair of Alternate Exterior Angles
pogonyaev

Answer:

M, Z

O, X

P, W

N, Y

Step-by-step explanation:

They are all Alternate Exterior Angles.

<em>Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Have a great day!</em>

4 0
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What is the value of x in the equation 7x+2v =48 when y =3​
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Answer:

3 3/7

Step-by-step explanation:

7x+2v=48

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46

7x+46=48

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---------------------

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A city is designing a new trail system that will be
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A cellphone company charges $60 for a cellphone and a monthly rate to use the phone.Regina will pay $1,140 for a 24-month cellph
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The monthly rate is $45 for this cellphone plan.

Step-by-step explanation:

Given,

Amount charged for cell phone = $60

Amount paid by Regina for 24 month plan = $1140

Number of months = 24

Let,

m be the monthly rate for cellphone plan

Number of months * Monthly rate + cellphone charges = Amount paid

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Dividing both sides by 24

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The monthly rate is $45 for this cellphone plan.

Keywords: subtraction, division

Learn more about subtraction at:

  • brainly.com/question/10894205
  • brainly.com/question/10987396

#LearnwithBrainly

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