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emmainna [20.7K]
4 years ago
12

Amy runs 6 miles in 45 minutes. At the same rate, how many minutes would she take to run 4 miles?

Mathematics
1 answer:
lapo4ka [179]4 years ago
7 0
That would be (4/6) of 45 minutes, or 180/6 minutes, or 30 minutes.




You could also find her rate:  6 miles / 45 minutes, or 8 miles / 60 minutes.

Write an equation of ratios:  

8 mi            4 mi
---------- = ------------
60 min            x

Solving for x:  8x = 240; x = 30 minutes
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Question 7 of 10
Gelneren [198K]

The group of values plugged into the TVM Solver of a graphing calculator that will return the amount of a 25-year loan with an APR of 16.8%, that is paid off with monthly payments of $340 is:

A. N=300; 1%-1.4; PV = PMT=-340; FV=0; P/Y=12; C/Y=12;PMT:END

What is monthly compounding?

Monthly compounding in this case the number of payments would be the number of monthly payments in 25 years, which is 300 monthly payments(i.e. 12*25=300), this means that options B and D are obviously incorrect because number of payments, N is given as 25( 25 years instead of 300 months)

What is monthly interest rate?

The monthly interest is the annual interest rate of 16.8% divided by 12, which is 1.40%, in short, option C is also wrong because I/Y(monthly interest rate) was as shown as an interest rate of 16.8% instead of 1.40%

Overall, the correct option is A, because the number of payments and interest rate were stated correctly, unlike other options that were incorrectly written

Find out about more about TVM Solver notations on:brainly.com/question/14586708

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5 0
2 years ago
Someone help , i’ll give you brainliest !
m_a_m_a [10]
Not sure right now give me a few mins
4 0
3 years ago
Read 2 more answers
Need math help ASAP:)
PilotLPTM [1.2K]

Answer:

f(-2) = 4

Step-by-step explanation:

The function has three definitions depending on the value of x.

You are looking for the value of the function at x = -2.

-2 is in the interval x <= -1, which is the first line of the definition of the function.

We use the first line of the definition of the function.

f(x) = -2x for x <= -1

f(-2) = -2(-2) = 4

Answer: f(-2) = 4

5 0
3 years ago
2. Fran needs a bookcase to hold all of his math books. He decides to try to build the bookcasepictured below. He needs to buy t
astraxan [27]

Let's rewrite the mixed number as a fractions:

\begin{gathered} 3\frac{2}{3}=\frac{11}{3} \\ 4\frac{1}{2}=\frac{9}{2} \end{gathered}

Therefore, the total length will be:

3\cdot(\frac{11}{3})+2(\frac{9}{2})+4=24ft

5 0
1 year ago
I need an answer and explanation. A student spends the same amount each week for bus fare. In 5 weeks, he spends $115. Which equ
Nastasia [14]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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