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Masja [62]
3 years ago
5

A buoy moves up and down with the waves in simple harmonic motion. This buoy moves a total of 12 feet from its minimum position

to its maximum position. The buoy returns to its maximum point every 10 seconds. Find the following.
a. Amplitude
b. Period
c. Frequency
d. An equation for the buoys position
e. If the buoy has a bell that makes a sound whenever it is 2 from its maximum height. State the time intervals between bell rings. You may answer as a decimal accurate to the hundredths place. Note that there are two answers (a short interval and a longer interval).
Mathematics
1 answer:
Lana71 [14]3 years ago
3 0
That was rude of him
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yra solves the equation as shown. - 3(x+2) = 9 1. - 3x - 6 = 9 2. - 3x = 15 3. x = - 5 The property Tyra used in line 1 was the:
Molodets [167]

Answer:

Distributive property says that:

a\cdot(b+c) = a\cdot b + a\cdot c

Addition property of equality:

if x = y then x+z = y+z

Division property of equality:

if x = y then \frac{x}{z}=\frac{y}{z}

As per the statement:

Given the equation: -3(x+2)=9

Tyra solve this equation as shown below:

1.

-3x -6 = 9               [Distributive property]

2.

-3x = 15                 [Addition property of equality]

3.

x = -5                    {Division property of equality]

Therefore, the  property Tyra used in line 1 was : Distributive Property.

5 0
3 years ago
Read 2 more answers
A baseball player throws a 95mph fastball straight up into the air. The position equation, which gives the height of the ball at
Lana71 [14]
Set s(t) = 0 which means it hits the ground.  The formula doesn't fit the parameters given as it shows that the pitcher is standing on something 37 feet high.
<span>s(t)=-16t^2+140t+37 and has an initial velocity of 140.
Graphing or solving this, t= 9 seconds when it hits the ground.
The velocity V(t) is the derivative of s(t)
V(t) = -32t+140
V(9) = -148 ft/second which is going down
</span>
3 0
3 years ago
I'm confused on this<br>(this is 12 year old math) ​
Gemiola [76]

Answer: the top box can be the linear equation y=40x+15 and the bottom box is 40

Step-by-step explanation:

If you swim 15 more minutes than your friend and your swam 55 minutes, that means your friend only swam 40 minutes. The set amount of time that your friend swims for <em>x</em> is 40 minutes. So the additional time you swim is <em>b</em>, 15 minutes.

7 0
2 years ago
I will give BRAINIEST to the next person who answers this!!
sertanlavr [38]

Answer:

<u>Challenge #1:</u>

<u>Different examples:</u>

2x+1=3x+2

4x+3=5x+4

3x+2=4x+3

<u>Challenge #2:</u>

<u>Different examples:</u>

2x+0=4x+1

3x+1=2x+5

6x+5=8x+6

4 0
3 years ago
Read 2 more answers
Find the value of \(x\).x
Lemur [1.5K]

Answer:

110°

Step-by-step explanation:

128°+40°+82°+x°= 360°

so 250°+x°=360°

x°=360°-250°

x°=110°

5 0
3 years ago
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