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Reika [66]
3 years ago
11

A particular sound wave can be graphed using the function

Mathematics
1 answer:
balandron [24]3 years ago
3 0

Answer:

Amplitude =1

Step-by-step explanation:

Given function is y=1\cdot\sin\left(2x\right).

Now we need to find about what is the amplitude of the given function y=1\cdot\sin\left(2x\right).

To find that let's compare given equation y=1\cdot\sin\left(2x\right) with standard equation y=a\cdot\sin\left(bx-c\right)+d. We get:

a=1

We know that amplitude of the function y=a\cdot\sin\left(bx-c\right)+d is given by the value of |a|.

Hence amplitude of the given function = |a|= |1|=1

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Neporo4naja [7]
What we know:
Football field is 100 yards in length
End zones are 10 yards each in length
Perimeter between pylons is 306 2/3 yards

What we need to find:
a. Perimeter and area of one end zone
b. Perimeter and area of without end zones
c. Perimeter and area of playing field with end zones

First we need to find the measurements of the field between pylons using the perimeter of 306 2/3 yards. We already know the length is 100 yards so we need to find width (w).

P=2l + 2w
306 2/3=2 (100) + 2w
306 2/3= 200 + 2w
300 2/3-200=200-200+2w
106 2/3=2w
106 2/3/2=2/2w
53 1/3=w

a. Perimeter=2 (10)+2 (53 1/3)=126 2/3 yards
Area=10×53 1/3=533 1/3 yd²
b. Perimeter=2 (100)+2 (53 1/3)=306 2/3 yards
Area=100×53 1/3=5333 1/3 yd²
c. Perimeter=2 (120) + 2 (53 1/3)=346 2/3 yards
Area=120×53 1/3=6400 yd²
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3 years ago
12 divided by 4y+6 = 2/7
Mila [183]

Answer:

The correct answer is y = 9

Step-by-step explanation:

It is given that,

12/(4y + 6) = 2/7

<u>To find the value of y</u>

12/(4y + 6) = 2/7

By cross multiplying,

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84 = 8y + 12

8y + 12 = 84

8y = 84 - 12

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Therefore by solving the given expression we get the value of y = 9

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