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mixer [17]
3 years ago
11

Out of the three answers, which one is correct? I would also appreciate an explanation

Mathematics
1 answer:
cricket20 [7]3 years ago
7 0

Answer:

69

Step-by-step explanation:

All angles in a triangle = 180°

35 + x + (x+7) = 180

42 + 2x = 180

2x = 138

x = 69

Hope this helps!

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2. Ken combined a triangle and a trapezoid to
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Answer:

<h2>36 in²</h2><h2 />

Step-by-step explanation:

area of a triangle = 12 in²

area of a trapezoid = 24 in²

just combine the two shape (see image)

then add the area.

total area = 12 + 24

                = 36 in²

8 0
3 years ago
Find the percent change from 72 to 90.Is it decrease or an increase
frosja888 [35]
Increase with a 28% change
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There are 26.2 in a marathon .Write the number of miles using a fraction.
LUCKY_DIMON [66]
Partitioning the value 26.2

26.2 = 20+6+0.2

The decimal value 0.2 is read two tenth = 2/10

Writing 26.2 as mixed numbers

26.2=26 \frac{2}{10}

If we want to write this as an improper fraction, multiply 26 by 10 then add the 2 to get the numerator

26.2 = 26 \frac{2}{10}= \frac{262}{10}= \frac{131}{5}

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3 years ago
How much can 18 go to 80
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80÷18≈4
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Compute the sales tax for the prices and rates given below. Price Tax Rate Tax $299 4% $6,750 7% $76.50 5.2% $18.32 3.9% $5.95 6
serious [3.7K]

Answers:

Price        Tax Rate        Tax

$299         4%                 $11.96

$6,750      7%                 $472.5

$76.50      5.2%              $3.98

$18.32       3.9%              $0.71

$5.95        6.2%              $0.37

$13.89       4.3%              $0.60

$768.43    3.7%              $28.43

$6.49        5.8%              $0.38

$23.86      7.1%               $1.69

$12.98      3.9%              $0.51


Explanation;


Sales tax is computed as the product of the price times the tax rate in % divided by 100:


  • Sales tax = price × tax rate / 100

Here is each compute:


  • $299 × 4% = $299 × 4/100 = $11.96
  • $6,750 × 7% = $6,750 × 7/100 = $ 472.50
  • $76.50 × 5.2% = $76.50 × 5.2/100 =  $3.98
  • $18.32 × 3.9% = $18.32 × 3.9/100 = $0.71
  • $5.95 × 6.2% = $5.95 × 6.2/100 = $0.37
  • $13.89 × 4.3% = $13.89 × 4.3/100 = $0.60
  • $768.43 × 3.7% = $768.43 × 3.7/100 = $28.43
  • $6.49 × 5.8% = $6.49 × 5.8/100 = $0.38
  • $23.86 × 7.1% = $23.86 × 7.1/100 = $1.69
  • $12.98 × 3.9% = $0.51

8 0
3 years ago
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