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solong [7]
3 years ago
10

The average monthly amount Isabella has spent on gasoline since 1990 is shown in the table. Use the data in the table to complet

e the statements. Let x be the number of years since 1990. The year 2005 corresponds to an x-value of . The function that best models the data, with numerical values rounded to the nearest hundredth, is f(x) = x + 22.08. Models have their limitations. For which year would this model not make sense to use?
Mathematics
2 answers:
RUDIKE [14]3 years ago
5 0
Answer 1: 15
Answer 2: 11.55
Answer 3: 1985

amm18123 years ago
4 0
15,11.55,and 1985
Hope this helps
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Paladinen [302]

Answer:

The answer is 19.

Step-by-step explanation:

This is because the sequence adds up by 7 each time. Have a nice day!

4 0
3 years ago
Read 2 more answers
Can someone please help me i dont understand this at all
goblinko [34]

Answer:

D.

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Step-by-step explanation:

5 0
3 years ago
Please help me with this
Gnoma [55]

Given:

The equation is:

3^x\times 9=3^{2n-1}

To find:

The value of n in terms of x.

Solution:

We have,

3^x\times 9=3^{2n-1}

It can be written as

3^x\times 3^2=3^{2n-1}

3^{x+2}=3^{2n-1}                [\because a^ma^n=a^{m+n}]

On comparing the exponents, we get

x+2=2n-1

Add 1 on both sides.

x+2+1=2n-1+1

x+3=2n

Divide both sides by 2.

\dfrac{x+3}{2}=n

Therefore, the value of n is terms of x is n=\dfrac{x+3}{2}.

7 0
3 years ago
Derek saves 10% of his paycheck each week to buy a mountain bike the mountain bike costs 340.00 Derek receives a paycheck in the
katrin2010 [14]

Answer: 13 weeks

Step-by-step explanation:

First you have to find 10% of 340.00 which is 28, so each week he saves 28.00 for his bike. To find how many paychecks he has to recieve you divide 340.00 by 28.00, which is 12.1, since there is a decimal place you have to round it up to 13 because it is a little bit more than 12 paychecks. ;)

7 0
2 years ago
After how many hours was the temperature at<br> 20 degrees F? Enter only the number.
enyata [817]

Answer:

65

Step-by-step explanation:

5 0
2 years ago
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