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sveticcg [70]
3 years ago
10

I have $6.25 composed of quarters and dimes. there are 10 times more dimes than quarters. how many dimes do i have? the value of

a quarter is 25 cents, and the value of a dime 10 cents.
Mathematics
2 answers:
ICE Princess25 [194]3 years ago
8 0
1 quarter = 10 dimes - Total $1.25
2 quarters = 20 dimes - Total $2.50
4 quarters = 40 dimes - Total $5.00
5 Quarters = 50 dimes - Total $6.25

You have 50 dimes and 5 quarters
MAVERICK [17]3 years ago
7 0

Answer:

50 dimes and 5 quarters

Step-by-step explanation:

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victus00 [196]

Answer:

The value of c = -0.5∈ (-1,0)

Step-by-step explanation:

<u>Step(i)</u>:-

Given function f(x) = 4x² +4x -3 on the interval [-1 ,0]

<u> Mean Value theorem</u>

Let 'f' be continuous on [a ,b] and differentiable on (a ,b). The there exists a Point 'c' in (a ,b) such that

f^{l} (c)  = \frac{f(b) -f(a)}{b-a}

<u>Step(ii):</u>-

Given  f(x) = 4x² +4x -3 …(i)

Differentiating equation (i) with respective to 'x'

          f¹(x) = 4(2x) +4(1) = 8x+4

<u>Step(iii)</u>:-

By using mean value theorem

f^{l} (c)  = \frac{f(0) -f(-1)}{0-(-1)}

8c+4 = \frac{-3-(4(-1)^2+4(-1)-3)}{0-(-1)}

8c+4 = -3-(-3)

8c+4 = 0

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c = \frac{-4}{8} = \frac{-1}{2} = -0.5

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<u>Conclusion</u>:-

The value of c = -0.5∈ (-1,0)

         

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