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3 years ago

Which of the following consist of equivalent fractions??

Mathematics

1 answer:

Nikolay [14]3 years ago

6 0

12/20 = 0.6, 10/25 = 0.4 = NO

12/18 =0.66, 10/15 = 0.66 = YES

5/3 = 1.6, 3/5 = 0.6 = NO

8/16 = 0.5, 3/4 =0.75 = NO

Answer is B

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2 years ago

Find x round your answer to the nearest integer.

daser333 [38]

Answer:

Step-by-step explanation:

Note that x is opposite to the given angle and we are also given the hypotenuse.

Since we have an angle and the side opposite to it and the hypotenuse, we can use the sine ratio. Recall that:

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4 0

3 years ago

Read 2 more answers

4. (x+ 2)(2x2 + 9x+8)

vfiekz [6]

Answer:

2x3+9x2+8x+4x2+18x+16

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2 years ago

Integral of cosecx dx =log|tanx/2| show that.

Pie

ANSWER:

Let t = logtan[x/2]

⇒dt = 1/ tan[x/2] * sec² x/2 × ½ dx

⇒dt = 1/2 cos² x/2 × cot x/2dx

⇒dt = 1/2 * 1/ cos² x/2 × cosx/2 / sin x/2 dx

⇒dt = 1/2 cosx/2 / sin x/2 dx

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Putting it in the integration we get,

∫cosecx / log tan(x/2)dx

= ∫dt/t

= log∣t∣+c

= log∣logtan x/2∣+c where t = logtan x/2

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2 years ago