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iren [92.7K]
4 years ago
8

Cory writes the polynomial x7 + 3x5 + 3x + 1. Melissa writes the polynomial x7 + 5x + 10. Is there a difference between the degr

ee of the sum and the degree of the difference of the polynomials?
Adding their polynomials together or subtracting one polynomial from the other both result in a polynomial with degree 7.
Adding their polynomials together or subtracting one polynomial from the other both result in a polynomial with degree 5.
Adding their polynomials together results in a polynomial with degree 14, but subtracting one polynomial from the other results in a polynomial with degree 5.
Adding their polynomials together results in a polynomial with degree 7, but subtracting one polynomial from the other results in a polynomial with degree 5.

Mathematics
2 answers:
Marianna [84]4 years ago
7 0

Answer:

D.  Adding their polynomials together results in a polynomial with degree 7, but subtracting one polynomial from the other results in a polynomial with degree 5.

Step-by-step explanation:

Murljashka [212]4 years ago
5 0

Answer:

Adding their polynomials together results in a polynomial with degree 7, but subtracting one polynomial from the other results in a polynomial with degree

Step-by-step explanation:

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How to change mixed numbers to a percent
JulijaS [17]

Answer:

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Step-by-step explanation:

First convert it into an improper fraction.

Then divide the numerator(top) and denominator(bottom)

then move the decimal point to the right twice.

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3 years ago
Find the nth term of the sequence:<br>23, 19, 13, 5, -5.......<br>​
Maurinko [17]

Answer:

Step-by-step explanation:

Given the sequence :

23, 19, 13, 5, -5.......

From the sequence, the common difference is unequal, as their is a constant Increment in the difference after successive numbers.

19 - 23 = -4

13 - 19 = -6

5 - 13 = -8

-5 - 5= -10

Hence an constant difference of - 2 after each successive difference.

Hence, this is a quadratic sequence

With the formula

an² + bn + c

8 0
3 years ago
Laurie is trying to stay within 10 feet of her current diving depth of -30 feet (with regard to sea level) so that the light
salantis [7]

Answer:

\boxed{-30\:– \: x \:= \: 10 \: \: and \: -30 - x = -10}

7 0
3 years ago
An item that is on sale for 40% off costs $66. What was the item's regular price?
IRINA_888 [86]
  • <em>Answer:</em>

<em>The regular price was $110</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em />

<em>60% .......... $66</em>

<em>100% ..........$ x</em>

<em>x = 100×66/60</em>

<em>=  6600/60</em>

<em>= $ 110</em>

<em />

<em>Good luck !</em>

7 0
4 years ago
Please help me solve this problem
IceJOKER [234]

Answer:

OQ

Step-by-step explanation:

The lines would never hit each other going on to infinity making them parallel.

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3 years ago
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