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2 years ago

Find the value of the trigonometric ratio

Mathematics

2 answers:

LuckyWell [14K]2 years ago

3 0

Answer:

15÷39

Step-by-step explanation:

I hope it will help you

Anna11 [10]2 years ago

3 0

cos x = adjacent÷ hypotenuse

cos x =15÷39

cos x = 5÷13

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Solve the system of linear equations by graphing. y = –5/2 x – 7 x + 2y = 4 What is the solution to the system of linear equatio

Anestetic [448]

Keywords

system; linear equations; graphing; solution

we have

$y=-\frac{5}{2}x-7$ -------> equation A

$x+2y=4$

$x=4-2y$ ----> equation B

The system of linear equations is composed of equation A and equation B

Substitute the equation B in equation A

$y=-\frac{5}{2}[4-2y]-7$

$y=-10+5y-7$

$4y=17$

$y=17/4=4.25$

Find the value of x

$x=4-2[17/4]=-4.5$

The solution is the point $(-4.5,4.25)$

Using a graphing tool

see the attached figure

therefore

the answer is the option A

$(-4.5,4.25)$

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2 years ago

Read 2 more answers

Find the value of the trigonometric ratio​

Find the value of the trigonometric ratio