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3241004551 [841]
3 years ago
7

10. The product of the sum of 4 and 5, and the difference of 20 and 12 are divisible of what number?

Mathematics
2 answers:
svlad2 [7]3 years ago
6 0

Answer:

a.2

Step-by-step explanation:

72=(9x8)

72 / 2 = 36

Vilka [71]3 years ago
4 0
A.2




The sum of 4 and 5 is 9,
The difference of 20 and 12 is 8,
The product of 9 and 8 is 72

4 + 5 = 9
20 - 12 = 8
9 x 8 = 72

72 / 11 = x
72 / 10 = x
72 / 5 = x
72 / 2 = 36 ✔️
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Answer:

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Step-by-step explanation:

==>Given:

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==>Required:

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==>Solution:

Recall: the length of the legs of an isosceles trapezoid are equal.

Perimeter of isosceles trapezoid = sum of the parallel sides + 2(length of a leg of the trapezoid)

Let l = leg of trapezoid.

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Thus,

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Let's find area:

Area = ½(a+b)*h

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Using Pythagorean theorem, let's find h as follows:

h² = l² - [(35-19)/2)²

h² = 10² - [16/2]²

h² = 100 - 64

h² = 36

h = √36 = 6m

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