3 years ago

Graph this function: y= 5x - 18

Mathematics

1 answer:

lutik1710 [3]3 years ago

5 0

The graph is shown below.

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Which of the following is equivalent to the complex number i^36?<br> 1<br> i<br> -1<br> -i

Masja [62]

Answer:

Step-by-step explanation:

$i^4=1\\\\i^{36}=(i^{4})^9=(1)^9=1$

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2 years ago

Which is another way to check the sum of 104 + 34 + 228 + 877?

weqwewe [10]

By adding 104+34 and then 228+877, Then adding both of the results and finally subtracting the answer by one of the factors.

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Explanation:

Which will be...

104+34=138

228+877=1,105

Then add them...

138+1,105=1,243

Finally, subtract your answer by one of the factors...

1,243-1,105

Which will result as 138. Which is also one of the factors you added earlier, that's basically what your looking fro when checking and subtraction and/or addition problem.

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Let cos(2x)/cos(x)+sin(x) = 0 where 0° ≤ x ≤ 180°. What are the possible values for x?

Harrizon [31]

Answer:

Step-by-step explanation:

$\frac{cos2x}{cos x+sin x} =\frac{cos^2x-sin^2x}{cos x+sin x} =\frac{(cos~x+sin~x)(cos~x-sin~x)}{(cos~x+sin~x)} =cos~x-sin~x\\so~cos~x-sin~x=0\\divide ~by~cos~x\\1-tan~ x=0\\\\tan~x=1=tan ~45,tan (180+45)\\x=45^\circ,225^\circ$

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