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tekilochka [14]
3 years ago
13

If A = (0,0) and B = (8, 2), what is the length of AB?

Mathematics
1 answer:
alexira [117]3 years ago
6 0

the legenth is  (8,2) .

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Write an equivalent expression for 25x - 45 using the properties of operations. Hint: find the GCF of 25 and 45. You use parenth
Oksana_A [137]

Answer:

25x - 45 = 5(5x - 9)

Step-by-step explanation:

Find the greatest common factor (GCF) of 25 and 45.

You can do this several ways, but one way is to list all the factors of both numbers and find the greatest common one:

Factors of 25: 1, 5, 25

Factors of 45: 1, 3, 5, 9, 15, 45

Therefore, 25 and 45 have 2 common factors: 1 and 5

So the greatest common factors is 5

25x - 45 = 5(ax - b)

To find the value of a, simply divide 25 by 5: 25 ÷ 5 = 5

To find the value of b, divide 45 by 5: 45 ÷ 5 = 9

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2 years ago
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If it is isosceles, than the legs are the same. We will call them X. The formula for the area of a triangle is 1/2 (base * height). But the base and the height are both X. So the area (18) is equal to 1/2 (x * x), or 1/2(x^2). This means that 36 = x^2. Thus, the length of each side is 6 inches. You can check this work by plugging those into the formula for area. You will find that it equals 18.
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One half of the students in a school are girls, 3/5 of these girls are studying in lower classes. What fraction of girls are stu
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Step-by-step explanation:

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Step-by-step explanation:

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\frac{10+20}{2} × 4 = 60 cm²

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120 + 60 = 180 cm²

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3 years ago
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