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Basile [38]
3 years ago
7

ONLY IF YOU'RE CORRECT I WILL GIVE YOU BRAINLIEST!!!!

Mathematics
2 answers:
Serga [27]3 years ago
8 0

Answer: x=3.5

you get ur answer from TOA which is tangent (15)=x/13

klasskru [66]3 years ago
6 0

Answer: X = 3.5

Step-by-step explanation:

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Factor 81z^4 - 16<br> Please answer asap
Oksanka [162]

81x%5E4-16 Start with the given expression.

%289x%5E2%29%5E2-16 Rewrite 81x%5E4 as %289x%5E2%29%5E2.

%289x%5E2%29%5E2-%284%29%5E2 Rewrite 16 as %284%29%5E2.

Notice how we have a difference of squares A%5E2-B%5E2 where in this case A=9x%5E2 and B=4.

So let's use the difference of squares formula A%5E2-B%5E2=%28A%2BB%29%28A-B%29 to factor the expression:

A%5E2-B%5E2=%28A%2BB%29%28A-B%29 Start with the difference of squares formula.

%289x%5E2%29%5E2-%284%29%5E2=%289x%5E2%2B4%29%289x%5E2-4%29 Plug in A=9x%5E2 and B=4.

So this shows us that 81x%5E4-16 factors to %289x%5E2%2B4%29%289x%5E2-4%29.

In other words 81x%5E4-16=%289x%5E2%2B4%29%289x%5E2-4%29.

Now let's factor 9x%5E2-4 further

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

 

9x%5E2-4 Start with the given expression.

%283x%29%5E2-4 Rewrite 9x%5E2 as %283x%29%5E2.

%283x%29%5E2-%282%29%5E2 Rewrite 4 as %282%29%5E2.

Notice how we have a difference of squares A%5E2-B%5E2 where in this case A=3x and B=2.

So let's use the difference of squares formula A%5E2-B%5E2=%28A%2BB%29%28A-B%29 to factor the expression:

A%5E2-B%5E2=%28A%2BB%29%28A-B%29 Start with the difference of squares formula.

%283x%29%5E2-%282%29%5E2=%283x%2B2%29%283x-2%29 Plug in A=3x and B=2.

So this shows us that 9x%5E2-4 factors to %283x%2B2%29%283x-2%29.

In other words 9x%5E2-4=%283x%2B2%29%283x-2%29.

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

Answer:

So 81x%5E4-16 completely factors to %289x%5E2%2B4%29%283x%2B2%29%283x-2%29

3 0
3 years ago
How many degrees does the polynomial 6c9 have
spayn [35]

Answer:

None, there are no degrees/exponents

Step-by-step explanation:

Hope this is helpful :)

6 0
3 years ago
Read 2 more answers
What is the volume of shed B?
skelet666 [1.2K]
Both the length and width of shed A are 6 feet.
I multiplied 6 by 2 and got 12.
My new equation is 12 × 12 × 8....

Which is 1,152. The answer is H.
4 0
3 years ago
Read 2 more answers
Multiply and simplify: (2b2+2b)2
sveta [45]

Answer:

4b^2+2b (b^2 means b squared)

Step-by-step explanation:

4 0
3 years ago
Find the volume of a cylinder with a height of 5 meters and a diameter that is 4 times the measure of the height.
IceJOKER [234]

<span>The correct answer between all the choices given is the last choice or letter D, which is 1570 m3. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.</span>

5 0
3 years ago
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