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Lunna [17]
3 years ago
14

PLEASE HELP 100 POINTS!!! The function f(x)=12sin(x−π4) is used to describe a water wave. The value x is the time in seconds, an

d f(x) is the position of the wave in feet above or below the normal water level.
Mathematics
1 answer:
Otrada [13]3 years ago
6 0

Answer:

okay, y=(1)/(2)*\sin (x-(\pi )/(4))

Step-by-step explanation:

dc,.lasbkjdflbfjskfnb

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How do I simplify 2(y+6)+3y??
Musya8 [376]

2(y+6)+3y

Multiply the bracket by 2

(2)(y)=2y

(2)(6)=12

2y+12+3y

2y+3y+12 ( combine like terms)

Answer: 5y+12

7 0
3 years ago
Read 2 more answers
What is the answer pleaseee pleaseee oleaseee
sergejj [24]

Answer:

Area: 12x + 66

Perimeter: 2x + 35

Step-by-step explanation:

Area is the base and the height multiplied, 12(x) + 12(5.5), which is simplified to 12x + 66.

Perimeter is all the sides added together, (x + 5.5) + (x + 5.5) + 12 + 12, which is grouped to be 2x + 11 + 24, then simplified to 2x + 35.

3 0
4 years ago
The sides of a rectangle are in ratio 5:2 set up an equation and use it to find the length of each side of the perimeter adds up
Tanzania [10]

Based on the fact that the sides of the rectangle are in the ratio 5:2, the length of each side is 20cm and 8cm.

<h3>What is the length of each side?</h3>

Based on the ratio, we can assume the a value of x for the perimeter to be:

Perimeter = 2 x ( length + width)

= 2 x (5x + 2x)

= 2 x 7x

= 14x

The value of x is:

56 = 14x

x = 56/14

= 4

The value of the sides are:

= 5 x 4

= 20 cm

= 2 x 4

= 8 cm

Find out more on the perimeter of a rectangle at brainly.com/question/18869010

#SPJ1

3 0
2 years ago
To the nearest foot, what is the height of the fireworks when they explode?
MrMuchimi

Answer:

<h3>87 feet</h3><h3>1. You can find the  value of the vertex of the parabola as following: </h3><h3 /><h3 /><h3 /><h3>2. Substitute values: </h3><h3 /><h3>a=-16 </h3><h3 /><h3>b=70 </h3><h3 /><h3>Then: </h3><h3 /><h3>  </h3><h3 /><h3 /><h3 /><h3>3. Substitute the value obtained into the equation given in the problem. Therefore, you obtain the following result: </h3><h3 /><h3 /><h3 /><h3>4. To the nearest foot: </h3><h3 /><h3>h=87 feet</h3>

Step-by-step explanation:

<h3>#hopeithelps</h3><h3>stay safe and keep well</h3><h3 /><h3>mark me as brain liest pls</h3>
6 0
3 years ago
(2, -16) <br><br>plug in the correct variables in the equation below<br><br>y = mx + b​
meriva

The Answer Is Y=-8x

This is because x is multiplied by -8 to find y.

5 0
3 years ago
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