4 years ago

How old am I if 400 reduced by 2 times age is 244

Mathematics

1 answer:

zalisa [80]4 years ago

3 0

440- 2x= 244 // simplify the equation given

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Derive this with respect to x<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3%7D%7B%281%20%2B%20%20secx%29%20%7D%20" id="Tex

Elenna [48]

$~~~~\dfrac{d}{dx} \left(\dfrac{3}{1 + \sec x} \right)\\\\\\=3 \dfrac{d}{dx} \left( \dfrac 1{ 1+ \sec x} \right)\\\\\\=3 \dfrac{d}{dx} (1+ \sec x)^{-1}\\\\\\=3 (-1) (1 + \sec x )^{-1 -1} \dfrac{d}{dx}( 1 + \sec x)\\\\\\=-3(1 + \sec x)^{-2} ( 0 + \sec x \tan x)\\\\\\=-\dfrac{3\sec x \tan x}{(1 + \sec x)^2}$

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2 years ago

What is 3/10 ÷5/10 ?

olasank [31]

The answer is 30/50 look below:
KCF keep change flip
so keep the first one the way it is
change the sign to multiplication from division
filp the 2nd fraction into a improper fraction
than multiply
so...
3*10=30
10*5=50
so...
your answer is 30/50 or 3/5 that is in simplest form

Hope this helped

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3 years ago

ricardo lost 6 balls while playing golf.he bought 12 golf balls,then he lost 4 on the course to day.now he has 18 balls.how many

adell [148]

16 golf balls. Hope this helps

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3 years ago

Read 2 more answers

Which postulate can be used to prove that two triangles are congruent

user100 [1]

Side-Side-Side Theorem, Side-Angle-Side, Angle-Angle-Side, Angle-Side-Angle, and Hypotenuse-Leg for right triangles.

For example, for Side-Side-Side, if you prove all 3 sides of the triangle are congruent, then the triangle is congruent.

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3 years ago

I need help, please because i don't understand this

maw [93]

Answer:

C. 2x + 6

Step-by-step explanation:

After doing synthetic division (see attached), you get 2, 6, and 0, corresponding to the answer 2x + 6.

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3 years ago