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Inessa05 [86]
2 years ago
15

Does anyone know how to solve this? And please explain your answer

Mathematics
2 answers:
BaLLatris [955]2 years ago
8 0

\huge  \fbox{Answer : }

The value of k for which

\sin(k - x)  =  \cos(x)

is

\dfrac{\pi}{2}

vodomira [7]2 years ago
6 0

Step-by-step explanation:x/2 is the answer of your question

hope it is helpful to you

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Step-by-step explanation:

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3 years ago
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svetlana [45]

Answer:

Final answer is approx x=4.26.

Step-by-step explanation:

Given equation is 1.8^{-x+7} = 5

Now we need to solve equation 1.8^{-x+7} = 5 and round to the nearest hundredth.

1.8^{-x+7} = 5

\log(1.8^{-x+7}) = \log(5)

(-x+7)\log(1.8) = \log(5)

(-x+7) = \frac{\log(5)}{\log(1.8)}

(-x+7) = \frac{0.698970004336}{0.255272505103}

-x+7 = 2.73813274192

-x = 2.73813274192-7

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x =4.26186725808

Round to the nearest hundredth.

Hence final answer is approx x=4.26.

4 0
3 years ago
Which point satisfies the system of equations y = 3x − 2 and y = -2x + 3?
Sedbober [7]

Answer:

(1,1)

Step-by-step explanation:

The choices are not visible, however are unnecessary to solve this problem.

Given y = 3x - 2 and y = -2x + 3

[Set them equal to each other]

3x - 2 = -2x + 3

[Find x]

3x + 2x - 2 = 3

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y = 3x - 2

y = 3(1) - 2 = 3 - 2 = 1

y = -2x + 3

y = -2(1) + 3 = -2 + 3 = 1

Both are equal to y = 1 when x = 1

The point is then: (1,1)

3 0
3 years ago
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Art [367]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
How to find the y- intercept of y=3^x+9x-14
Bas_tet [7]
Your y-intercept would be (0,-13)
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3 years ago
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