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3 years ago

I need to write an equation that represents the line using exact numbers

Mathematics

1 answer:

Doss [256]3 years ago

8 0

Y=-1x-1
X interception is -1
Y interception is -1
Slope is -1

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Sin 2x + tan 2x = 4tan/ 1- tan^4 prove that

nalin [4]

$\dfrac{4\tan x}{1-\tan^4x}=\dfrac{4\tan x}{(1-\tan^2x)(1+\tan^2x)}$
$=\dfrac{4\tan x}{(1-(\sec^2x-1)\sec^2x}$
$=\dfrac{4\tan x\cos^2x}{2-\sec^2x}$
$=\dfrac{4\sin x\cos x}{2-\sec^2x}$
$=\dfrac{4\sin x\cos^3x}{2\cos^2x-1}$
$=\dfrac{2\sin2x\cos^2x}{\cos2x}$
$=2\tan2x\cos^2x$
$=2\tan2x\left(\dfrac{1+\cos2x}2\right)$
$=\tan2x(1+\cos2x)$
$=\tan2x+\sin2x$

7 0

3 years ago

If there are 48 boys and 64 girls and the teachers decided to put them each in in equal rows only boys or girls will be in each

german

Answer: 16

Step-by-step explanation:

The question seeks to know the largest number of people that can sit in each row.

To answer this, find the Highest Common Factor of the numbers 48 and 64.

Factors of 48 ⇒ 1, 2, 3, 4, 6, 8, 12, 16, 24 and 48

Factors of 64 ⇒ 1, 2, 4, 8, 16, 32 and 64

Because the teacher wants the rows to be equal with either only boys or only girls sitting in them, the highest number of people that can sit in a row will be 16.

There will be 7 rows in total.

Boys ⇒ 48/ 16 = 3 rows

Girls ⇒ 64/16 = 4 rows

5 0

3 years ago

Multiply. 1 1/2⋅3 2/3

soldier1979 [14.2K]

Answer: The mixed number 5 & 1/2

====================================

Work Shown:

1 & 1/2 = 1 + 1/2 = 2/2 + 1/2 = 3/2

3 & 2/3 = 3 + 2/3 = 9/3 + 2/3 = 11/3

------

Multiplying 1&1/2 with 3&2/3 is the same as multiplying 3/2 and 11/3

(3/2)*(11/3) = (3*11)/(2*3) = 11/2

-------

Use long division to find that 11/2 = 5 & 1/2

Or you can break it up like this

11/2 = (10+1)/2 = 10/2 + 1/2 = 5 + 1/2 = 5 & 1/2

4 0

3 years ago

3w-4z=8

Nezavi [6.7K]

W=0
Z=-2
Is there a need for explanation?

8 0

4 years ago

17. Find the measures of the length and width of

777dan777 [17]

Answer:

can you click a full photo of this question.

7 0

3 years ago