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tensa zangetsu [6.8K]
3 years ago
15

Divide 27x3 - 72x2 + 36x by 9x.​

Mathematics
2 answers:
Pavel [41]3 years ago
5 0

Answer:

3x^2 - 8x + 4.

Step-by-step explanation:

Dividing each term by 9x we get:

3x^2 - 8x + 4.

vladimir1956 [14]3 years ago
4 0
Answer:
3x^{2}-8x+4
just divide each term by 9x
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Aloiza [94]
The four would go under neith in the left hand side but I don’t know how to explain it
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3 years ago
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Draw a model to subtract 2 2/5 -1 8/10
Igoryamba

See picture for reply and solution steps.

6 0
3 years ago
Which of the following is NOT a variation of a Pythagorean identity?​
Ipatiy [6.2K]

The expression that is not a variation of the Pythagorean identity is the third option.

<h3>What is the Pythagorean identity?</h3>

The Pythagorean identity can be written as:

sin^2(x) + cos^2(x) = 1

For example, if we subtract cos^2(x) on both sides we get the second option:

sin^2(x) = 1 - cos^2(x)

Which is a variation.

Now, let's divide both sides by cos^2(x).

sin^2(x)/cos^2(x) + cos^2(x)/cos^2(x) = 1/cos^2(x)\\\\tan^2(x) + 1 = sec^2(x)\\\\tan^2(x) - sec^2(x) = -1

Notice that the third expression in the options looks like this one, but the one on the right side is positive. The above expression is in did a variation of the Pythagorean identity, then the one written in the options (with the 1 instead of the -1) is incorrect, meaning that it is not a variation of the Pythagorean identity.

Concluding, the correct option is the third one.

If you want to learn more about the Pythagorean identity, you can read:

brainly.com/question/24287773

3 0
2 years ago
I really need help <br> it’s very hard
barxatty [35]

Answer:

The angle ZLK has a value of 75 degrees.

Step-by-step explanation:

We can calculate this as:

m\angle MLZ+m\angle ZLK=m\angle MLK\\\\(x+66)+(x+86)=130\\\\2x+152=130\\\\2x=130-152\\\\x=-22/2=-11\\\\\\m\angle ZLK=x+86=-11+86=75

We replace the angles values in the equation, as both angles that are formed with Z (MLZ and ZLK), when added, gives as the angle MLK. This allows us to calculate x. The value for x is -11.

Then, with the value for x we can calculate any of both angles.

6 0
3 years ago
If x + 2 is a factor of x^2 +mx + 14 find m
jolli1 [7]
X² + mx + 14            

If (x+2) one of the factors, we can write

14 = 2*7
m = 2+7= 9

x² +9x + 14 = (x+2)(x+7)



3 0
3 years ago
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