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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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You make 12 equal payments. You pay a total of $1440. How much is each payment?
goldfiish [28.3K]

Answer:

$120

Step-by-step explanation:

$1,440/12= $120

Hope this helps :)

4 0
3 years ago
Read 2 more answers
A rectangular box with an open top has a length of x feet, a width of y feet, and a height of z feet. it costs $4.20 per square
ozzi

To solve this problem you must apply the proccedure shown below:

1. You have that:

-The length is x feet.

- The width is y feet.

- The height is z feet.

2. The box has one base. The cost of the base is:

c1=4.20xy

3. It has four sides. The cost of the sides are:

c2=2(0.75yz)+2(0.75xy)\\ c2=1.5yz+1.5xy

The answer is: The total cost is c=c1+c2\\ c=4.20xy+1.5yz+1.5xy

7 0
3 years ago
What is the mean of the data set? {21, 23, 25, 25, 26, 28, 28, 28, 31, 33} 26.8 27 27.8 28
Lerok [7]
In mathematics, mean average means to take the sum of all the numbers and divide the sum by the number of elements in the set.

Add up the numbers.

<span>21 + 23 + 25 + 25 + 26 + 28 + 28 + 28 + 31 + 33 = 268

Divide by the number of elements in the set. Which is 10.

268 / 10 = 26.8

So, the answer to this question is 26.8</span>
8 0
3 years ago
Read 2 more answers
7+a+8+a= pls help pls help
Alina [70]

Answer:

15+2a

Step-by-step explanation:

7+a+8+a=15+2a

7 0
3 years ago
How do you round money to the nearest cent?Like for ex.:$2.15 to the nearest cent
Digiron [165]


To round money to the nearest cent you would see in the ones place what that number is and if it is at or higher than 5 it would round up to 2.20               

Did that help any I hope so:) if not tell me I will have another strategy

7 0
3 years ago
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