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3 years ago

Can someone answer this, it can have 1 or more answers

Mathematics

2 answers:

otez555 [7]3 years ago

7 0

Answer:

A, D and F

Step-by-step explanation:

They are at the greatest heights and gravitational potential energy increases with height

Good luck!!

Paul [167]3 years ago

3 0

A d & f is the answer

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Answer:

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3 years ago

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Tju [1.3M]

Answer:

Step-by-step explanation:

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3 years ago

You need to strengthen a 19% alcohol solution with pure alcohol solution to obtain 40% solution. How much pure alcohol should yo

Alex73 [517]

Let x be the number of mm of pure alcohol to be added:

I will add the mm to express the volume in mm
100mm.(19%) + (100%).x mL = (100 mL+x mL).(40%).
Now right again without the %
100.(0.19) + x.(1) = (100+x).(0.4)

19 + x = = 40 + 04x
x - 0.4x = 40 - 19
0.6 x = 21
x = 21/0.6 and x = 35 mL. This te quantity of pure alcohol should to be added to get a solution at 40%.

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4 years ago

What is the amplitude, period, and phase shift of f(x) = −3 cos(4x + π) + 6?

hammer [34]

This is in the form of $\sf acos(bx-c)+d$ .

Amplitude is equal to $\sf |a|$
Period is equal to $\sf\dfrac{2\pi}{|b|}$
Phase Shift is equal to $\sf\dfrac{c}{b}$

Plug in the values:

Amplitude:
$\sf |a|\rightarrow |-3|\rightarrow\boxed{\sf 3}$

Period:
$\sf\dfrac{2\pi}{|4|}\rightarrow\dfrac{2\pi}{4}\rightarrow\boxed{\sf\dfrac{\pi}{2}}$

Phase Shift:
$\sf\dfrac{c}{b}\rightarrow\boxed{\sf -\dfrac{\pi}{4}}$

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3 years ago

CAN SOMEONE HELP ME ANSWER THIS

Snowcat [4.5K]

The ratio figure b to figure a 1/3. Just times 6 by 3 and the you'll find that the volume of figure a is 18.

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3 years ago