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alexgriva [62]
4 years ago
15

The square below represents one whole.

Mathematics
2 answers:
kupik [55]4 years ago
7 0

Answer:

\text{Shaded area as fraction}=\frac{81}{100}

\text{Shaded area as decimal}=0.81

\text{Shaded area as percent of the whole}=81\%

Step-by-step explanation:

Please consider the attached image as the given square.

We are asked to express the shaded area as a fraction, a decimal, and a percent of the whole.

We can see that in our figure there are 100 squares as there are 10 rows and each row contains 10 squares.

We can also see that there are 81 shaded squares out of 100 squares, so we can represent it as a fraction as:

\frac{\text{Shaded squares}}{\text{Total squares}}

\text{Shaded area as fraction}=\frac{81}{100}

To convert the shaded area into decimal, we need to divide 81 by 100.

\text{Shaded area as decimal}=0.81

To convert the shaded area into percent, we need to multiply 0.81 by 100.

\text{Shaded area as percent of the whole}=0.81\times 100\%

\text{Shaded area as percent of the whole}=81\%

Alexxx [7]4 years ago
3 0

The fraction is: 44/100

The Decimal is: 0.44

Percent: 44%

____________________________________________________________

<h2>Fraction</h2>
  • The square is split into 100 equal pieces. 44 of the 100 pieces are shaded. so you can write the fraction as 44/100
<h2>______________________________________</h2><h2>Decimal</h2>
  • 44/100 can also be expressed 44 hundredths.  Let's use a place value chart to write 44 hundredths as a decimal.

  ________________________________

  |  tens  |   ones  |  . | tenths  |  hundredths |

  <u>|</u>_____<u>|</u>___<u>0__|_._|</u>___<u>4__|         4           |</u>

<h2>______________________________________</h2><h2>Percent</h2>
  • The ratio of shaded pieces to total pieces 44:100.percent means per hundred so, we can write the percent as 44%.

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)If there are 6 builders, it takes 80 days to complete the house. How many builders must be employed to build the house in just
LiRa [457]

Answer:

64 builders must be employed to build a house in 16 days

5 0
3 years ago
A researcher computes the definitional formula for SS, and finds that Σ(x − M) = 44. If this is a sample of 12 scores, then what
olga_2 [115]

Answer:

Option B.

Step-by-step explanation:

Given information:

Σ(x − M) = 44

where, M is mean.

Sample size = 12

The computational formula for sample variance is

s^2=\dfrac{\sum (x-M)^2}{N-1}

where, M is sample mean and N is sample size.

Substitute Σ(x − M) = 44 and N=12 in the above formula.

s^2=\dfrac{44}{12-1}

s^2=\dfrac{44}{11}

s^2=4.0

The sample variance is 4.0.

Therefore, the correct option is B.

5 0
3 years ago
If M is the midpoint of SR, and SR=24, what is the length of SM?
Montano1993 [528]
Do you have a picture you can upload? It’s most likely 24/2 = 12
7 0
3 years ago
Suppose PV =NRT, where P=8, V=2X, N=2 and R=2X.you are given X=3. Solve for T
FromTheMoon [43]

Answer:  T = 4

Step-by-step explanation:

1. Write all the variables down

P = 8  V = 2X  N = 2  R = 2X  X = 3

2. Since you know that X = 3 substitute it in to find V and R

V = 2X = 2(3) = 6

R = 2X = 2(3) = 6

3. Find PV

PV = P x V

     = 8 x 6

     = 48

4. Find NRT

NRT = N x R x T

       = 2 x 6 x T

       = 12 x T

       = 12T

5. Find T

PV = NRT

48 = 12T

12T = 48

divide both sides by 12

  T = 48 ÷ 12

  T = 4

7 0
3 years ago
The point of a square pyramid is cut off, making each lateral face of the pyramid a trapezoid with the dimensions shown.
omeli [17]

Answer:

The area of one trapezoidal face of the figure is 2 square inches

Step-by-step explanation:

<u><em>The complete question is</em></u>

The point of a square pyramid is cut off, making each lateral face of the pyramid a trapezoid with the dimensions shown. What is the area of one trapezoidal face of the figure?

we know that

The area of a trapezoid is given by the formula

A=\frac{1}{2}(b_1+b_2)h

where

b_1 and b-2 are the parallel sides

h is the height of the trapezoid (perpendicular distance between the parallel sides)

we have

h=1\ in\\b_1=1\ in\\b_2=3\ in

substitute the given values in the formula

A=\frac{1}{2}(1+3)(1)

A=2\ in^2

8 0
4 years ago
Read 2 more answers
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