Tìm x, biết:Nêu điều kiện để x là căn bậc hai số học của số a không âm.

Mathematics

1 answer:

MArishka [77]2 years ago

7 0

Answer:

Pakyouhahaahahahahagfhfjwj

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If a: b= 3:4 then find the value of (6a-3b :(5a + 2b)

KengaRu [80]

Answer:

6 : 23

Step-by-step explanation:

$a : b = 3 : 4 ....(given)\\ \\ let \: a = 3x \\ b = 4x \\ \\ (6a - 3b) : (5a + 2b) \\ \\ = \frac{(6a - 3b)}{(5a + 2b)} \\ \\ = \frac{6(3x) - 3(4x)}{5(3x) + 2(4x)} \\ \\ = \frac{18x- 12x}{15x+ 8x} \\ \\ = \frac{6x}{23x} \\ \\ = \frac{6}{23} \\ \\ (6a - 3b) : (5a + 2b) = 6 : 23$

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3 years ago

79 to 65 what percent

alexandr402 [8]

Answer:

121.53% as we do the following

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3 years ago

5 1 The measure of Z1 = O 55 O62.5 110 5

Akimi4 [234]

Answer: 55

Step-by-step explanation:

Congruent angles intercept congruent chords, so since the circumference of a circle is 360 degrees, the arc angle 1 is inscribed in measures 110 degrees.

So, by the inscribed angle theorem, angle 1 measures 55 degrees.

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2 years ago

Estimate the square root of 78

Furkat [3]

Answer:

8.83176

Step-by-step explanation:

The square root of 78 is 8.83176, or 8.832 (rounded to the nearest thousandth).

5 0

3 years ago

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