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Sever21 [200]
3 years ago
15

Patty walked 2/5 of a mile in 5 1/2 minutes. At this rate, how long will it take Patty to walk 3 miles?

Mathematics
1 answer:
lapo4ka [179]3 years ago
4 0

Answer:

41.25 minutes i think sorry if its wrong

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These tables represent an exponential function.Find the average rate of change for the interval from x=8 to x=9
GuDViN [60]

Answer:

Option D. 13122 is the answer.

Step-by-step explanation:

As we can see from the table having interval and average rate of change, figures under average rate of change are forming a geometric sequence.

Sequence is 2, 6, 18 , 54, 162, 486.

and we have to find the average rate of change from x = 8 to x = 9, means we have to find 9th term of the given sequence.

Now we know that explicit formula of the sequence can be written as T_{n}=ar^{n-1}

where Tn is the nth term of the sequence.

a = first term

r = common ratio

n = number of the term

Now from this explicit formula we can find the 9th term of the sequence.

From the given table

a = 2, r = 3, n = 9

T_{9}=2.3^{9-1}=2.3^{8}

T9 = 13122

Therefore Option D. 13122 will be the answer.

6 0
3 years ago
Not too sure how to do this equation its on the attached file
Akimi4 [234]

Answer:

The answer is 72

Step-by-step explanation:

Hope this helps :))

6 0
3 years ago
What is the word for "numbers with square roots that are whole numbers"? I have no idea!
topjm [15]
Perfect squares i think
8 0
3 years ago
Read 2 more answers
A Theater has 500 seats. three-fourths of the seats are filled how many seats are filled? Explain your work
Orlov [11]
75% of 500 is 375
so there are 375 seats filled.
so that mean's there 125 seats left
4 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=x%20%2B%20y%20%20%3D%2014%5C%5C%202x%20%2B%204y%20%3D%2018" id="TexFormula1" title="x + y = 1
alexgriva [62]

Answer:

x = 19, y = -5

Step-by-step explanation:

x + y = 14  => x= 14-y

2x + 4y = 18  => 2(x+2y)=18  => x+2y=9

x+2y=9 => (14 - y) + 2y = 9

14 + y = 9  => y = -5

x + (-5) = 14  => x=19

5 0
3 years ago
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