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In-s [12.5K]
2 years ago
12

Which expression is equivalent to -3(2m-1) -n? 6m-n-3 6m-n+3 -6m-n-3 -6m-n+3

Mathematics
1 answer:
kirill115 [55]2 years ago
5 0

ghjjkkiihccukckugcugcliyfyi

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Integration of (cosec^2 x-2005)÷cos^2005 x dx is
kondor19780726 [428]
We are asked in the problem to evaluate the integral of <span>(cosec^2 x-2005)÷cos^2005 x dx. The function is an example of a complex function with a degree that is greater than one and that uses special rules to integrate the function via the trigonometric functions. For example, we integrate 
2005/cos^2005x dx which is equal to 2005 sec^2005 x since sec is the inverse of cos. The integral of this function when n >3 is equal to I=</span><span>∫<span>sec(n−2)</span>xdx+∫tanx<span>sec(n−3)</span>x(secxtanx)dx
Then, 
</span><span>∫tanx<span>sec(<span>n−3)</span></span>x(secxtanx)dx=<span><span>tanx<span>sec(<span>n−2)</span></span>x/(</span><span>n−2)</span></span>−<span>1/(<span>n−2)I
we can then integrate the function by substituting n by 3.

On the first term csc^2 2005x / cos^2005 x we can use the trigonometric identity csc^2 x = 1 + cot^2 x to simplify the terms</span></span></span>
7 0
3 years ago
Could someone help me with this?
umka2103 [35]
---------------------------------------------
Find area of one triangle
---------------------------------------------
Area of triangle = 1/2 x base x height
Area of triangle = 1/2 x 9 x 11.75
Area of triangle = 52.875 ft²

---------------------------------------------
Find area of two triangles
---------------------------------------------
Area of 2 triangles = 52.875 x 2 
Area of 2 triangles = 105.75 ft²

---------------------------------------------
Find the cost of the flower beds
---------------------------------------------
1 ft² = $4.25
105.75 ft² = 105.75 x 4.25
105.75 ft² = $449.44 (nearest hundredth)

---------------------------------------------
Answer: $449.44
---------------------------------------------
8 0
2 years ago
Mary is n years old. Write an expressions for her age 10 years ago.
prisoha [69]

Answer:

n-10=a

5 0
2 years ago
Read 2 more answers
In the following shape, two semicircles
Andrei [34K]

Answer:

The length around the figure in terms of r is 2r (\pi + 4).

Step-by-step explanation:

The perimeter of an object is the total length of the boundary of the object.

The figure consists two similar semicircle and a rectangle.

Adding the two semicircles, a complete circle is formed. The circumference of a circle = 2\pir.

The rectangle has a length which is twice its height.

     i.e l = 2h

But,

     r = \frac{h}{2}  (the diameters of the semicircles equal the height of the rectangle)

   ⇒ h = 2r

Thus, one side length of rectangle = 2 × 2r        (l = 2 × h)

                                                          = 4r

The length around the figure in terms of r is:

                   = 2\pir + 4r + 4r

                   = 2\pir + 8r

                   = 2r (\pi + 4)

The length around the figure in terms of r is 2r (\pi + 4).

8 0
3 years ago
15. Which best reflects a correct conversion of an equation in exponential form to logarithmic form?
kkurt [141]

Answer:

5^x = 25

\log_525 = x

Step-by-step explanation:

Given

Convert from exponential to logarithm

(a) to (d)

Required

Which of the options is correct

Given that:

a^b = c --- Exponential

The logarithm form is:

b = \log_ac

From (a) to (d), only option (c) is correct.

Because it follows the above pattern

i.e.

5^x = 25 \to\to  a^b = c

a = 5   b = x   c = 25

b = \log_ac becomes

x = \log_525

or

\log_525 = x

3 0
2 years ago
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