4 years ago

What is another to write 1/4

Mathematics

1 answer:

Ahat [919]4 years ago

8 0

Another way to write 1/4 is 0.25 in decimal

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Find the value of the integral that converges. ∫^-5_-[infinity] x^-2 dx.

Bingel [31]

Answer:

$\int_{-\infty}^{-5} x^{-2}dx= \frac{1}{5} + \lim_{x\to -\infty} \frac{1}{x} =\frac{1}{5}$

Because the $\lim_{x\to -\infty} \frac{1}{x} =0$

The integral converges to $\frac{1}{5}$

Step-by-step explanation:

For this case we want to find the following integral:

$\int_{-\infty}^{-5} x^{-2}dx$

And we can solve the integral on this way:

$\int_{-\infty}^{-5} x^{-2}dx= \frac{x^{-2+1}}{-2+1} \Big|_{-\infty}^{-5}$

$\int_{-\infty}^{-5} x^{-2}dx= -\frac{1}{x} \Big|_{-\infty}^{-5}$

And if we evaluate the integral using the fundamental theorem of calculus we got:

$\int_{-\infty}^{-5} x^{-2}dx= \frac{1}{5} + \lim_{x\to -\infty} \frac{1}{x} =\frac{1}{5}$

Because the $\lim_{x\to -\infty} \frac{1}{x} =0$

The integral converges to $\frac{1}{5}$

8 0

3 years ago

Write and equation on the line that passed through (0,-1) and is perpendicular to the line y =1/9x+2

Marat540 [252]

Answer:

y=-9x-1

Step-by-step explanation:

since it is perpendicular, the slope must be the opposite reciprocal (-9x) and now we plug the coordinates in, -1=0+b, b is -1

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3 years ago

⅒ (to decimal) A. 0.1 B. 0.53 C. 0.10

nydimaria [60]

⅒ (to decimal)

A. 0.1

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3 years ago

What is 5% of 20? Please help me

zloy xaker [14]

Answer:

Step-by-step explanation:

5% × 20 =

(5 ÷ 100) × 20 =

(5 × 20) ÷ 100 =

100 ÷ 100 =

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-19.9 ft.

Step-by-step explanation:

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