3 years ago

How to know whether to use sin or cos in physics?

1 answer:

3 0

Sine and cosine (and trigonometric functions in general) are used extensively in physics, and neither really has priority - it depends on the particular problem you're working on. Is there a particular problem that prompted your question?

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siniylev [52]

Answer:

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Step-by-step explanation:

15*SF 5= 75

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4 years ago

The ratio of dogs to cats at the Humane Shelter is 3:9. If there are 45 dogs at the Humane Shelter, how many cats are there?

kondaur [170]

Answer:

c) 135

Step-by-step explanation:

dog ratio is 3

45 ÷ 3 = 15

therefore ratio 1 is 15

ratio 9

9×15 = 135

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3 years ago

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sergij07 [2.7K]

Answer:

ok cool

Step-by-step explanation:

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3 years ago

Choose the table that represents g(x) = −2⋅f(x) when f(x) = x + 4.

grigory [225]

Answer: THIRD OPTION.

Step-by-step explanation:

Since $g(x) = -2f(x)$ , then $g(x)$ is:

$g(x)=-2( x + 4)\\\\g(x)=-2x-8$

In order to find which table represents $g(x) = -2f(x)$ when $f(x) = x + 4$ , you can follow these steps:

1. Substitute $x=1$ into the function $g(x)=-2x-8$ :

$g(1)=-2(1)-8\\\\g(1)=-10$

2. Substitute $x=2$ into the function $g(x)=-2x-8$ :

$g(2)=-2(2)-8\\\\g(2)=-12$

3. Substitute $x=3$ into the function $g(x)=-2x-8$ :

$g(3)=-2(3)-8\\\\g(3)=-14$

Notice that those ouput values (for $x=1,\ x=2$ and $x=3$ ) matches with the table provided in the third option. That table represents $g(x) = -2f(x)$ when $f(x) = x + 4$ :

6 0

3 years ago

Read 2 more answers

!!!!Worth 30 POINTS!!!!<br> HELP ASAP

natulia [17]

Answer:

hey, the third option is the correct answer. option C. x=3/4

8 0

3 years ago