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Tcecarenko [31]
3 years ago
7

Celeste and Dora both offer guitar lessons. Celeste charges an initial fee of $5.00, and an hourly rate of $7.25. Dora has an in

itial fee of $10.25, and an hourly rate of $6.50. At how many hours of instruction will the cost for each instructor be the same?
Which equation represents the scenario?
(7.25h + 5) + (6.5h + 10.25)
(5h + 7.25) + (10.25h + 6.5)
5h + 7.25 = 10.25h + 6.5
7.25h + 5 = 6.5h + 10.25
Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
8 0

the answer is D

the next question answer will be 7

i promise you and also i hoped i helped you.

erik [133]3 years ago
6 0

Answer:

D . 7.25h + 5 = 6.5h + 10.25  

Step-by-step explanation:

the next slide is 7.

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grigory [225]

Answer:

m = \frac{7}{5}

Step-by-step explanation:

m - \frac{m-1}{2} = 1 - \frac{m-2}{3}

Multiply through by 6 ( the LCM of 2 and 3 ) to clear the fractions

6m - 3(m - 1) = 6 - 2(m - 2) ← distribute parenthesis on both sides

6m - 3m + 3 = 6 - 2m + 4 , that is

3m + 3 = - 2m + 10 ( add 2m to both sides )

5m + 3 = 10 ( subtract 3 from both sides )

5m = 7 ( divide both sides by 5 )

m = \frac{7}{5}

3 0
3 years ago
In how many year the interest will became equal to the principal is rs.1200 is deposited at the rate of 25% in a bank ​
mrs_skeptik [129]

Given:

Principal = Rs. 1200

Rate of interest = 25%

To find:

The time in which the interest will became equal to the principal.

Solution:

We have,

P=1200

r=\dfrac{25}{100}

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If interest is equal to the principal, then

Amount=Principal+Interest

Amount=1200+1200

Amount=2400

The formula for amount is:

A=P\left(1+r)^n

Substituting A=2400, P=1200, r=0.25 in the above formula, we get

2400=1200(1+0.25)^n

\dfrac{2400}{1200}=(1.25)^n

2=(1.25)^n

Taking log on both sides, we get

\log2=\log(1.25)^n

\log2=n\log(1.25)               [\because \log a^b=b\log a]

\dfrac{\log2}{\log(1.25)}=n

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Therefore, the interest will became equal to the principal in about 3.11 years.

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3 years ago
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Step-by-step explanation:

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4 years ago
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telo118 [61]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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