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faust18 [17]
3 years ago
14

At a construction job for a house there are 40 painters.of these painters 85% of them paint the interior of the house.how many p

ainters are painting the interior
Mathematics
1 answer:
grandymaker [24]3 years ago
4 0

Answer:

34 painters were painting the interior

Step-by-step explanation:

40*.85= 34 and since .85 is the decimal of a the fraction 85% and we are trying to figure out 85% of 40 workers we times the two and find the answer to be 34 workers.

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Jonny has 16 bottles of dish soap. Why does he have so many bottles of dish soap?
____ [38]

Answer:

Possible answers

  • A lot of dishes he has to do
  • He selling it
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I dont know <:)

Step-by-step explanation:

6 0
3 years ago
What is the common difference for this arithmetic sequence 29,42,55,68,
Licemer1 [7]

29+13

42+13

55+13

68+13

XD

6 0
3 years ago
Read 2 more answers
Point G bisects the line segment FH. The length of FG is 16 less than 3 times the length of GH. What is the length of FH?
charle [14.2K]

Answer: FH = 16

<h2><u>PART I</u></h2><h2 />

Concept:

Bisect means to cut or divide something into two equal parts.

In mathematics, usually bisect means cutting a segment or an angle.

If you are still confused, you may refer to the attachment below for a graphical explanation or tell me.

Solve:

<u>Given information</u>

FG is 16 less than 3 times the length of GH

Let x be the length of GH

<u>Given expression</u>

FG = GH

<u>Set equation</u>

3x - 16 = x

<u>Add 16 on both sides</u>

3x - 16 + 16 = x + 16

3x = x + 16

<u>Subtract x on both sides</u>

3x - x = x + 16 - x

2x = 16

<u>Divide 2 on both sides</u>

2x / 2 = 16 / 2

x=8

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

<h2><u>PART II</u></h2><h2><u /></h2>

Concept:

In order to find the length of FH, we need to know the idea of the segment addition postulate.

The Segment Addition Postulate states that given 2 points A and C, a third point B lies on the line segment AC if and only if the distances between the points satisfy the equation AB + BC = AC.

Solve:

<u>Given information</u>

FG = GH = x

x = 8

<u>Given expression deducted from the segment addition postulate</u>

FH = FG + GH

<u>Substitute values into the expression</u>

FH = x + x

FH = 8 + 8

\boxed {FH=16}

Hope this helps!! :)

Please let me know if you have any questions

8 0
3 years ago
On a test, shelly got approximately 93% of the items correct. she got 76 questions right. how many questions were on the test? a
svetlana [45]
You multiply 76 by 0.93. That is 70.68 which rounds to 71. To check, (71/76) = ~93.
8 0
3 years ago
PLEASE HURRY write the equation of the inverse function y=1/2cos^-1(pix)-3
GaryK [48]

Answer:

f^{-1}(x) = \frac{cos(2x+6)}{\pi }

Step-by-step explanation:

y = \frac{1}{2} cos^{-1} (\pi x)-3

Firstly, we've to interchange the variables.

x = \frac{1}{2} cos^{-1}(\pi y)-3

Solving for y

x = \frac{cos^{-1} \pi y}{2} -3

Adding 3 to both sides

x+3 = \frac{cos^{-1}(\pi y)}{2}

Multiplying 2 to both sides

2(x+3) = cos^{-1} (\pi y)\\2x+6 = cos^{-1} (\pi y)

Taking cosine on both sides

\pi y = cos (2x+6)

Dividing both sides by y

y = \frac{cos(2x+6)}{\pi }

Replace y by f^{-1}(x)

=> f^{-1}(x) = \frac{cos(2x+6)}{\pi }

4 0
3 years ago
Read 2 more answers
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