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Anestetic [448]
3 years ago
9

State the degree of the polynomial xy+3x2-7+x

Mathematics
2 answers:
Zolol [24]3 years ago
5 0
Xy+6-7+x
Combine (6+-7)+xy
xy+x-1
Nikitich [7]3 years ago
5 0
<span>xy+3x^2-7+x the degree is 2 

Just use the 'formula' for finding the degree of a polynomial. ie--look for the value of the largest exponent the answer is 2 since that is the largest exponent.
</span>
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Find the mistake in the problem. tell what is is.<br>6th grade math ​
nirvana33 [79]
He / she didn’t drop down the 2 after subtracting 19 from 242, instead he / she dropped down a 0.
7 0
3 years ago
Write this number in standard form. 300+80+0.9+0.06+0.001
Lina20 [59]

Hey there! I'm happy to help!

First, let's add the hundreds and the tens.

300+80=380

We see that there is nothing in the ones place, so we keep our ones place 0 and we move onto adding the tenths.

380+0.9=380.9

We add the hundredths.

380.9+0.06=380.96

And finally, we add the thousandths.

380.96+0.001=380.961

Therefore, this number in standard form is 380.961.

Have a wonderful day! :D

5 0
3 years ago
Read 2 more answers
Find the limit of the function algebraically. limit as x approaches negative nine of quantity x squared minus eighty one divided
scoray [572]
Let me express the equation clearly:

lim x→-9  (x²-81)/(x+9)

Initially, we solve this by substituting x=-9 to the equation. 

((-9)²-81)/(-9+9) = 0/0

The term 0/0 is undefined. This means that the solution is not see on the number line because it is imaginary. Other undefined terms are N/0 (where N is any number), 0⁰, 0×∞, ∞-∞, 1^∞ and ∞/∞. One way to solve this is by applying L'Hopitals Rule. This can be done by differentiating the numerator and denominator of the fraction independently. Then, you can already substitute the x=-9.

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The other easy way is to substitute x=-8.999 to the original equation. Note that the term x→-9 means that x only approaches to -9. Thus, you substitute a number that is very close to -9. Substituting x=-8.999

((-8.999)²-81)/(-8.999+9) = -18

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3 years ago
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jeyben [28]

Answer:

-1

Step-by-step explanation:

6 0
3 years ago
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iragen [17]
-8-5b+7+5b
add +5b to -5b to get 0.
-8+7 = -1
Answer is -1.
6 0
3 years ago
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