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Ksenya-84 [330]
3 years ago
6

Solve 0.7cos(x)-sin(x)=r for x

Mathematics
1 answer:
lianna [129]3 years ago
4 0

Try this solution (see the attachment), note:

1. the word 'ctgx' means 'cotangens x'; 2. this equation has roots not for all the real number 'r', it is shown in the 2-d line of the answer; 3. the answer is marked with red colour.

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Help me! What is the answer to this question!? Provide a step by step explanation please.
zmey [24]

Answer:

x = -5 or x= 2

Step-by-step explanation:

|-4x-6| = 14

There are two solutions, one positive and one negative

-4x-6 = 14       -4x-6 = -14

Add 6 to each side

-4x-6+6 = 14+6       -4x-6+6 = -14+6

-4x = 20                      -4x = -8

Divide by -4

-4x/-4 = 20/-4               -4x/-4 = -8/-4

x = -5                                x = 2

3 0
3 years ago
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yuradex [85]

Answer:

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Step-by-step explanation:

i think you may have missed part of the question

4 0
2 years ago
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What are the coordinates of the point (-8,5) if it is reflected across the x-axis?
podryga [215]
It is d, -8.-5. I did it on paper
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3 years ago
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Alexxx [7]

Answer:

see explanation

Step-by-step explanation:

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And

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