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sammy [17]
2 years ago
5

It’s easy please help please please

Mathematics
1 answer:
lions [1.4K]2 years ago
5 0

Step-by-step explanation:

4x - 2y = 8

y = -2

4x -2(-2) = 8

4x + 4 = 8

4x = 4

x = 1

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Two subtracted from b is greater than -18
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3 years ago
1-sin^2x/sinx-cscx <br><br>How do I solve this problem? I keep getting the wrong answer.
Annette [7]

Answer:

-sinx

Step-by-step explanation:

a trig identity that is crucial to solving this problem is: sin^2 + cos^2 = 1

with knowing that, you can manipulate that and turn it into 1 - sin^2x = cos^x

so 1-sin^2x/sinx - cscx becomes cos^2x/sinx - cscx

it is also important to know that cscx is the same thing as 1/sinx

knowing this information, cscx can be replaced with 1/sinx

(cos^2x)/(sinx - 1/sinx)

now sinx and 1/sinx do not have the same denominator, so we need to multiply top and bottom of sinx by sinx; it becomes....

cos^2x

---------------------

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notice how in the denominator it has sin^2x-1 which is equal to -cos^2x

so now it becomes:

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because we have a fraction over a fraction, we need to flip it

cos^2x          sinx

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3 0
3 years ago
If the angle NME = x+97, the angle EML = x+66, and the angle NML = 141, find the angle EML
defon

Answer:

∠ EML = 94°

Step-by-step explanation:

See the attached diagram.

The three angles ∠ NME, ∠ EML and ∠ NML together make 360°.

Now, ∠ NME = x + 97, ∠ EML = x + 66 and ∠ NML = 141°

Hence, (x + 97) + ( x + 66) + 141 = 360

⇒ 2x + 304 = 360

⇒ 2x = 56

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So, ∠ EML = x + 66 = 28 + 66 = 94° (Answer)

6 0
3 years ago
I’ll mark the brainiest :)
Zinaida [17]

Answer:

IGHJK you are interested please let me brainliests

3 0
3 years ago
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