Can you give examples of situations that might be modeled with trigonometric functions?

Answers

Answer 1

Answer: Circular motion
Other armonic motions: pendular motion, motion of a mass attached to a spring.
Waves: light wave, sound wave
Cyclic phenomena: temperature of the earth.

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Solve for x: 2x + 4 ≤ 12
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Solve the proportion. If necessary, round to the nearest hundredth. 9/(y +1) = 18/54 *22

18

30

26

Answers

Answer: y=26

Explanation: because if 18/54 was equivalent to 9/(y+1) and 9 is half than 18 then (y+1) would have to be equal to half of 54 which is 27. So if y+1 equals 27 then y would have to equal 26!

Which pair of numbers is not a factor pair of 48?Question 5 options:

4 and 12

negative 2 and negative 24

negative 8 and 6

6 and 8

Answers

The correct answer is negative eight and 6 because that equals -48 and it is asking you for something that is not a factor pair of 48 and -48 is less than 48

Answer:

thanks it is negative 8 and 6

Step-by-step explanation:

i took on the USA test prep

All of the following ordered pairs satisfy the function rule y = -2 x - 1 except _____.(-2, 3) (0, -1) (2, -5) (-1, -3)

Answers

You need to sub your X and Y values in. Take (-1,-3) for example: if you sub in these values, your equation y=-2x -1 will become (-3)=-2(-1) - 1. However, if you simplify it out, you'll realise that it doesn't make sense as you'll get -3=-1 which is clearly untrue, thus (-1,-3) is the only pair that doesn't satisfy your function.

Is the expression -12x-18 equivalent to the expression -6x-9-3(3-2x)

Answers

-12x-18 and -6x-9-3(3-2x)

First, distribute the -3 into the parentheses. The second expression will turn out as such:
-6x-9-9-6x.
From here, you need to combine like terms (variables and numbers). -12x-18.
So, yes, these two expressions are equal.

-12x-18=-6x-9-3(3-2x)
-12x-18=-6x-9-9+6x
-12x-18=-6x+6x-9-9
-12x-18=-18
-12x-18=-18
+18=+18
-12x=0
X=0

Ann has to make payments twice a year on her health insurance. if each payment is $2,316, how much money should she budget for health insurance each month?A. $579
B. $386
C. $1,158
D. $193

Answers

Answer:

Option B. She should budget $386 each month.

Step-by-step explanation:

Ann has to make payments twice a year on her health insurance = $2,316

Therefore Ann makes payment annually = $2,316 × 2 = $4,632

To find out how much money should she budget for health insurance each month.

we divide annual premium by 12

= 4,632 ÷ 12 = $386

She should budget $386 each month.

B. Because if she has to make a payment of $2,316 twice a year it would be $4,632. Then you divide that by how many months there are in a year so 12. Then you get B. $386

Simplify the fraction 4t2-16/8/t-2/6

Answers

The first thing we are going to do in this case is to rewrite the expression:
4 (t2-4) / 8 / t-2/6
4 (t-2) (t + 2) / 8 / t-2/6
We now use the double C:
24 (t-2) (t + 2) / 8 * (t-2)
We simplify similar terms:
24 (t + 2) / 8
3 (t + 2)
Answer:
The simplified expression is:
3 (t + 2)

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