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dezoksy [38]
2 years ago
12

Write a polynomial to represent the value of d dimes and n nickels.

Mathematics
1 answer:
nadya68 [22]2 years ago
3 0
Answer: 0.10d + 0.05n
Note: this value expression is in dollars (not cents)
If you want the expression in cents instead of dollars, then it would be 10d+5n

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

The value of just the dimes only is 0.10d dollars
The value of just the nickels only is 0.05n dollars
Combined the total value is 0.10d+0.05n dollars
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PLEASE I NEED HELP ASAP
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Answer:

option C is the correct ans..

Step-by-step explanation:

A function f from A to B is a relation from A to B which assosciates each element of A to a unique element of B..

Option C fulfills all the case.So,C is the correct ans..

8 0
3 years ago
How to find the diameter of a circle with the area of 1134.1?
Alex17521 [72]
Radius is half of the diameter.
So because the area of a circle is A= pi • r^2, to find the radius first, we have to change the equation to solve for r. Now it is, r= square root of A/pi. We plug in 1134.1. (Look at pic)
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3 years ago
What are the factors of 2x^2 + 5x -12?
Andrews [41]

Answer:

(2x - 3) • (x + 4)

Step-by-step explanation:

Step  1  :

Equation at  step  1  :

 (2x2 +  5x) -  12

Step  2  :

Trying to factor by splitting the middle term

2.1     Factoring  2x2+5x-12  

The first term is,  2x2  its coefficient is  2 .

The middle term is,  +5x  its coefficient is  5 .

The last term, "the constant", is  -12  

Step-1 : Multiply the coefficient of the first term by the constant   2 • -12 = -24  

Step-2 : Find two factors of  -24  whose sum equals the coefficient of the middle term, which is   5 .

-24    +    1    =    -23  

     -12    +    2    =    -10  

     -8    +    3    =    -5  

     -6    +    4    =    -2  

     -4    +    6    =    2  

     -3    +    8    =    5

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -3  and  8  

                    2x2 - 3x + 8x - 12

Step-4 : Add up the first 2 terms, pulling out like factors :

                   x • (2x-3)

             Add up the last 2 terms, pulling out common factors :

                   4 • (2x-3)

Step-5 : Add up the four terms of step 4 :

                   (x+4)  •  (2x-3)

            Which is the desired factorization

3 0
3 years ago
Which is the equation of the line?
IRINA_888 [86]
Answer: (C)2x + 8Y = 16 

\underline{X || 2x + 8Y = 16 || Y}
\underline{0\:||\:2*0 + 8Y = 16\to\:8Y = 16\to\:Y =  \frac{16}{8}\:||\:Y = 2} (0,2)
\underline{8\:||\:2*8 + 8Y = 16\to\:8Y = 16-16\to\:Y = \frac{0}{8}\:||\:Y = 0} (8,0)

<span>Check the chart for a better understanding:
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3 0
3 years ago
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