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Sonja [21]
3 years ago
15

Please help will give brainliest

Mathematics
2 answers:
tatyana61 [14]3 years ago
6 0

Answer:

A) 18cm^2

Step-by-step explanation:

(3 x 12)/2=36/2=18

lorasvet [3.4K]3 years ago
3 0

Answer:

A

Step-by-step explanation:

12x3=36/2=18

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Calculate the area of this triangle 18cm 11cm 14cm
seraphim [82]

Answer:

  about 77 cm^2

Step-by-step explanation:

From 3 sides, the area of a triangle is conveniently calculated using Heron's formula:

  A = √(s(s -a)(s -b)(s -c))

where s is the semi-perimeter: s = (a+b+c)/2.

For the given values of a, b, c, we have ...

  s = (a+b+c)/2 = (18 +11 +14)/2 = 21.5

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5 0
2 years ago
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A factory made 845 pairs of shoes in January. These shoes were sent to three shoe stores and one outlet mall. The number of pair
Semenov [28]
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Given the data, the following equation can be made where x is equal to the number of shoes sent to the outlet mall.

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7 0
3 years ago
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Bumek [7]

Answer:

Step-by-step explanation:

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Step 2: Multiply both sides by (-3). when we are multiplying by (-3) the < will change to >.

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2 years ago
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Answer:

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Step-by-step explanation:

5m=36.25

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m = 7.25

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7(7.25) = 50.75

3 0
3 years ago
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