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4 years ago

Derek wants to practice playing the guitar for 9 hours in 8 days. What is the

Mathematics

1 answer:

bonufazy [111]4 years ago

7 0

Answer:

1 hour and 7.5 minutes or 67.5 per day will help him reach his goal of 9 hours per 8 days.

Step-by-step explanation:

9 hours

- 8 days

________

8 hours

1 hour left

1 hour is 60 minutes and 60/8 is 7.5 so each day will have added to it 7.5 minutes wish makes the answer 1 hour and 7.5 minutes or 67.5 minutes.

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If the total for this month's credit purchases is $550 at 24% annual interest, what is the total balance for the month after one

umka2103 [35]

Answer:

The total balance for the month after one month of interest accrues is $561 .

Step-by-step explanation:

Given as :

The principal credit in account = p = $550

The rate of interest = 24% annual

The time period = 1 month = $\dfrac{1}{12}$ year

Let The Amount after one month of interest = $A

<u>Now, From Simple Interest method</u>

Simple Interest = $\dfrac{\textrm principal \times \textrm rate\times \textrm time}{100}$

Or, s.i = $\dfrac{\textrm p \times \textrm r\times \textrm t}{100}$

Or, s.i = $\dfrac{550\times 24\times \frac{1}{12}}{100}$

Or, s.i = $\dfrac{13200}{1200}$

Or, s.i = 11

∵ Amount = Principal + interest

So, A = s.i + p

Or, A = $11 + $550

∴ A = $561

So, The amount after one month on interest = A = $561

Hence, The total balance for the month after one month of interest accrues = A = $561 . Answer

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3 years ago

Write an expression/equation to represent this and find the shortest distance Jim can walk from the haunted mansion to the clown

noname [10]

Answer: he can walk for the clase thenmake a left for them

Step-by-step explanation:

3 0

3 years ago

Two six sided dice are rolled and the two dice equals 7. what is the probability that one die is a 3

irinina [24]

Let us solve the problem step by step.

here we have rolled two dice. So total no. of possible outcomes will be 6^2=36. These are (1,1),(1,2),(1,3),(1,4),(1,5),(1,6),(2,1),(2,2),(2,3),(2,4),(2,5),(2,6),(3,1),(3,2),(3,3),(3,4),(3,5),(3,6),(4,1),(4,2),(4,3),(4,4),(4,5),(4,6),(5,1),(5,2),(5,3),(5,4),(5,5),(5,6),(6,1),(6,2),(6,3),(6,4),(6,5),(6,6).

Now, among these cases the cases where the sum is seven for (1,6), (2,5), (3,4), (4,3), (5,2), (6,1) i.e. there are 6 cases.

Now, it is time to calculate the probability.

The required probability is,

p = (No. of cases favorable for the event)/(Total no. of cases)

=6/36 = 1/6

<h2><u><em>Therefore your answer is 1/6.</em></u></h2>

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3 years ago

at the bicycle shop there are 23 bicycles and 18 tricycles each bicycle has two wheels and each tricycle has 3 wheels how many w

Alexus [3.1K]

The answer to this questing is 100, because (23 x 2) + (18 x 3) = 100

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3 years ago

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Which number line shows the solution of 5x - 25 < -15?

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I think a. But I don’t understand this question.

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3 years ago