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goldfiish [28.3K]
3 years ago
15

State the degree and leading coefficient of each polynomial in one variable -12-8x^2+5x-21x^7

Mathematics
1 answer:
leonid [27]3 years ago
4 0

Answer:

The degree is 7 and the leading coefficient is -21.

Step-by-step explanation:

The degree of an equation is found using the highest exponent on the variable in the equation.

-12-8x^2+5x-21x^7 has the term x^7 so its degree is 7

The leading coefficient is the coefficient of the term with the highest degree. The coefficient of x^7 is -21.

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Roman55 [17]

(x^3+x^2+x+2) divide by (x^2-1)

We use long division to divide

There is no x term in x^2 -1  so we put 0x

                         x   +    1

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

x^2+0x-1           x^3+ x^2 + x+ 2

                         x^3+0x^2-x

                         -----------------------------(subtract the bottom from top)

                               x^2 +2x + 2

                               x^2 +0x - 1

                          --------------------------------(subtract the bottom from top)

                                      2x + 3

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

Quotient : x+1

Remainder : 2x+3

                               


5 0
3 years ago
Two angles are complementary their difference is 26 degrees find the measures of each angles
Nuetrik [128]

Good morning ☕️

Answer:

<h2>32° and 58°</h2>

-by-step explanation:

Let x be the measure of angle 1

and y be the measure of angle 2

The Two angles are complementary

means

x + y = 90

their difference is 26 degrees

means

x - y = 26

x + y = 90 (1)

x - y = 26  (2)

(1) - (2) ⇒2y = 64 ⇒ y =32°

therefore x = y + 26 = 58°

___________________________

:)

4 0
3 years ago
Read 2 more answers
There are 24 hours in a day and scientists tell us that we should sleep for 3/8 of the day how much time should we spend sleepin
Katyanochek1 [597]

Answer:

9

Step-by-step explanation:

3/8 × 24

= 3 × 3

= 9

9 Hours

3 0
3 years ago
What is the domain of this graph?
Elenna [48]
A. Whole numbers from 0 to 10

The domain is composed of all x value on the graph. Every point is on a whole number for x.
7 0
3 years ago
Factor the following.
Verizon [17]
The answer is D (y+10)(y-6) 
because 


6 0
3 years ago
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