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Mademuasel [1]
3 years ago
14

The quantities x and y are proportional.

Mathematics
2 answers:
levacccp [35]3 years ago
8 0
R=15 because of you abs me about what you have it would really be r=15
Maslowich3 years ago
6 0

Answer:

The value of the constant of proportionality r is 1

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form  or

Find the value of the constant of proportionality r

For x=5.8, y=5.8

substitute

The linear equation is

therefore

The value of the constant of proportionality r is 1

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Oduvanchick [21]
<h2>Answer:</h2>

<u>x= 90°</u>.

<h2>Step-by-step explanation:</h2>

<h3>1. Write the expression.</h3>

4 + 2 sin(x)= 14-8 sin(x)

<h3>2. Subtract "4" from both sides of the equation.</h3>

-4+4 + 2 sin(x)= 14-8 sin(x)-4\\ \\2 sin(x)= 10-8 sin(x)

<h3>3. Add "8sin(x)" to both sides of the equation.</h3>

2 sin(x)+8 sin(x)= 10-8 sin(x)+8 sin(x)\\ \\10 sin(x)= 10

<h3>4. Divide both sides by 10.</h3>

\frac{10 sin(x)}{10} = \frac{10}{10} \\ \\sin(x)=1

<h3>5. Apply the arcsin of sin^-1 to both sides of the equation.</h3>

arcsin(sin(x))=arcsin(1)\\ \\x=90

<h3>6. Conclude.</h3>

<u>x= 90°</u>.

3 0
2 years ago
Whats the answer for number 13?
Mumz [18]

Answer: option 3

Step-by-step explanation:

so you would do

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3 0
3 years ago
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Step-by-step explanation:

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yuradex [85]

(0.4n)(16n) = (0.4)(16)(n)(n) = 6.4n²

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Nezavi [6.7K]

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Step-by-step explanation:

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3 years ago
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