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Ivanshal [37]
3 years ago
13

What is sec 270°? help asap

Mathematics
1 answer:
Vitek1552 [10]3 years ago
3 0

Answer:

0/undefined

Step-by-step explanation

Believe me

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Giving out brainliest !!
EastWind [94]

Answer:

4 Km behind.

Step-by-step explanation:

1. Draw a graph

2. make Dave Edith and Foley

3. 8-0 is 8 and 12-8 is 4

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Find the volume of the given prism. Round to the nearest tenth if necessary.
il63 [147K]

Answer:

1255.74

Step-by-step explanation:

It just is

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Explain how knowing that 5÷8=0.625 helps you write the decimal for 4 5/8
bonufazy [111]
When you trying to write the decimal value of 4 5/8 then you will get 4+ 5/8. If you know how much 5/8 value in decimal form then you don't need to divide 5 with 8. You just need to convert it separately, make it become 4+0.625 = 4.625.

Since you are skipping a stage it definitely helps and making you write the decimal faster.
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How to write y= 2x-7 in function notation
luda_lava [24]
I believe it would be  <span>f(x)=2x-7</span>
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3 years ago
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I need help with a calculus 2 exercise, with a good explanation to what I'm trying to figure out.
Karolina [17]
<h3>Explanation:</h3>

When writing rational expressions, you need to be aware that ...

  1/4x = (1/4)x ≠ 1/(4x)

Parentheses around the denominator are required, unless you're typesetting the expression and can use a fraction bar for grouping.

The derivative of the curve expression is ...

  y' = x - 1/(4x) . . . . . parentheses added to what you wrote

and the expression (1 -(y')^2) can be written ...

  1 -(y')^2 = x^2 +1/2 +1/(16x^2) . . . . . parentheses added to what you wrote

The first and last terms of this trinomial are both perfect squares, so you might suspect the whole trinomial is a perfect square. You recall that ...

  (a +b)^2 = a^2 + 2ab + b^2

This is a good "pattern" to remember. Using it is a matter of <em>pattern recognition</em>, as is the case with a lot of math.

Here, you have ...

  a = x

  b = 1/(4x)

In order for your trinomial to be a perfect square, the product 2ab must equal the middle term of your trinomial. (Spoiler: it does.)

  2ab = 2(x)(1/(4x)) = (2x)/(4x) = 1/2 . . . . . matches the middle term of 1 -(y')^2

Hence your trinomial can be written as the square ...

  1 -(y')^2 = (x +1/(4x))^2

_____

This is convenient because you want to integrate the square root of this. Your integral then becomes ...

\displaystyle\int\limits_{2}^{4}{\left(x+\frac{1}{4x}\right)\,dx

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3 years ago
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