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3 years ago

Just it’s a multiple choice and nobody but yes they are professional no they are not portional

Mathematics

1 answer:

algol [13]3 years ago

8 0

1) yes
2) yes
3) no
Hope this helps ;)

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X=2t/t^2 +1 and y=2t/t^2 +1 <br>Find dy/dx

zhenek [66]

Answer:

dy/dx=1

Hope this helps! Please vote brainliest! :)

7 0

3 years ago

-(x+2)+(2x-1)=-(x+1)+2(x-1) what do the x`s equal

n200080 [17]

Answer:

That's basically how you solve it

6 0

3 years ago

Determine the amplitude, period, and phase shift of the function f(x)=cos (8(x-1))+2

SCORPION-xisa [38]

We have been given a function $f(x)=\text{cos}(8(x-1))+2$ . We are asked to find the amplitude, period and phase shift of the function

We can see that our given function is in form $f(x)=A\cdot \cos(B(x-C))+D$ , where,

$|A|$ = Amplitude.

Period = $\frac{2\pi}{|B|}$

C = Horizontal shift,

D = Vertical shift.

We can see that value of a is 1, therefore, the amplitude of given function would be 1.

We can see that B is equal to 8, so we will get:

$\text{Period}=\frac{2\pi}{|B|}= \frac{2\pi}{|8|}=\frac{\pi}{4}$

Therefore, the period of given function is $\frac{\pi}{4}$ .

Since the value of C is 1, therefore, horizontal shift is 1.

Since the value of D is 2, therefore, vertical shift would be 2.

4 0

3 years ago

Car went grocery shopping and bought chicken for

lord [1]

The total cost of everything is $18.08

$20 minus $18.08

The answer is $2.02

6 0

3 years ago

A block of wood has the mass of 180 grams. It is 10cm long, 6cm wide and

pychu [463]

Answer:

$.75g/cm^3$

Step-by-step explanation:

density = mass / volume

We already know the mass - 180g

Find the volume

$10cm * 6cm * 4cm = 240 cm^{3}$

Plug in the volume and mass in the density formula

$density = 180g / 240cm^{3}$

Simplify

$Density = .75g/cm^{3}$

5 0

3 years ago