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3 years ago

What's the value for x makes this equation true 3/5 X-0.5=19

Mathematics

1 answer:

masya89 [10]3 years ago

7 0

Answer:

what's the value for x makes this equation true 3/5 X-0.5=19 HERE YOU GO!!

Step-by-step explanation:

-5x - (-7 - 4x) = -2(3x - 4)

-5x + 7+ 4x = -6x + 8

-x + 7= -6x + 8

5x = 8 - 7

5x = 1

x = 1/5

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Answer:

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6/7x=-18

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LekaFEV [45]

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3 years ago

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Mariulka [41]

Answer:

a) True

$\int\limits^\pi _ {0} \,(\sqrt{1-sin^{2}\alpha } )d\alpha =0$

Step-by-step explanation:

Step(i):-

Given that the definite integration

$\int\limits^\pi _ {0} \,(\sqrt{1-sin^{2}\alpha } )d\alpha$

we know that the trigonometric formula

sin²∝+cos²∝ = 1

cos²∝ = 1-sin²∝

step(ii):-

Now the integration

$\int\limits^\pi _ {0} \,(\sqrt{1-sin^{2}\alpha } )d\alpha = \int\limits^\pi _0 {(\sqrt{cos^{2} \alpha } } \, )d\alpha$

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Now, Integrating

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= sin π - sin 0

= 0-0

= 0

Final answer:-

$\int\limits^\pi _ {0} \,(\sqrt{1-sin^{2}\alpha } )d\alpha =0$

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liubo4ka [24]

Answer:

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2 years ago

What's the value for x makes this equation true 3/5 X-0.5=19 ​

What's the value for x makes this equation true 3/5 X-0.5=19