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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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vovikov84 [41]
In more conventional notation, ...
  b(x) = -15x² +450x +325 . . . . 0 ≤ x ≤ 24

For 1990, x = 1990 - 1983 = 7
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The value of the card in 1990 was 2740.
6 0
3 years ago
Here are Xavier's bowling scores:
SpyIntel [72]

Answer:

151

Step-by-step explanation:

Given the following scores

132,140,130,190,112,200,185, 172,163,151,149 . What isn’t the median ?

Median can be gotten whenever we arrange a set of scores in ascending or descending order.

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6 0
3 years ago
Read 2 more answers
I need the percentage of the shaded area.
arsen [322]

Answer:

1.22

Step-by-step explanation:

Since there is one whole shaded. And 2 tens, and 2 ones. Its 1.22.

3 0
3 years ago
Lines AD and BC are parallel.
allochka39001 [22]

*see attachment for the missing figure

Answer:

Angle ADE = 45°

Angle DAE = 30°

Angle DEA = 105°

Step-by-step explanation:

Since lines AD and BC are parallel, therefore:

Given that angle Angle CBE = 45°,

Angle ADE = Angle CBE (alternate interior angles are congruent)

Angle ADE = 45° (Substitution)

Angle DAE = Angle ACB (Alternate Interior Angles are congruent)

Angle ACB = 180 - 150 (angles on a straight line theorem)

Angle ACB = 30°

Since angle DAE = angle ACB, therefore:

Angle DAE = 30°

Angle DEA = 180 - (angle ADE + angle DAE) (Sum of angles in a triangle)

Angle DEA = 180 - (45 + 30) (Substitution)

Angle DEA = 180 - 75

Angle DEA = 105°

8 0
3 years ago
On selling 250 cascades, a man had an equal gain to the selling price of 25 cascades. Find his gain percent
Jet001 [13]

Answer:

11.11%

Step-by-step explanation:

The selling price is 250

The cost price is 250-25

= 225

Therefore the gain can be calculated as follows

=250-225x/225x×100

1/9 ×100

= 0.1111×100

= 11.11%

Hence the gain is 11.11%

6 0
3 years ago
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