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maks197457 [2]
3 years ago
14

Cost of a New Car From 1970 to 1990, the average cost of a new car, C

Mathematics
1 answer:
Lunna [17]3 years ago
3 0

Answer:

In year 1986 the average  cost of car is  $12,000

Step-by-step explanation:

Cost function:

C = 30.5t² + 4192

Cost = $12,000

Find:

Year

Computation:

C = 30.5t² + 4192

12,000 = 30.5t² + 4192

t = 16 year

So,

Year 1970 + 16 year

1986

So, In year 1986 the average  cost of car is  $12,000

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the initial price of a home entertainment system is $34,000. It is discounted by 10% and then by a further 26%. Find the price o
maria [59]
The final price of the item is $22,644

The initial discount of 10% leaves the price at 90% of the retail value:
\frac{x}{34000}  =  \frac{90}{100}
cross multiply to solve for x:
100x = 3,060,000
x = 30,600
This new price is then discounted 26%, which means the final price is 74% of $30,600:
\frac{x}{30600}  =  \frac{74}{100}
cross multiply to solve for x:
100x = 2,264,400
x = 22,644
The final price of the home entertainment system is $22,644
8 0
3 years ago
Kate runs 2/3 of a mile on Mondays, Wednesday's and Thursdays. She runs 4/5 of a mile on Tuesday and Fridays. How many miles doe
padilas [110]

Answer:

Therefore, we conclute that Kate run 1 mile and 7/15 of a mile for the week.

Step-by-step explanation:

We know that Kate runs 2/3 of a mile on Mondays, Wednesdays and Thursdays. She runs 4/5 of a mile on Tuesday and Fridays. We calculate how many miles does Kate run during the week.  

Therefore, we get

\frac{2}{3}+\frac{4}{5}=\frac{10+12}{15}=\frac{22}{15}=1+\frac{7}{15}

Therefore, we conclute that Kate run 1 mile and 7/15 of a mile for the week.

8 0
3 years ago
What is 34 x000 tell me please
Nataly_w [17]
Thirty four times 000 which I am assuming is just zeroes would be 0.
7 0
3 years ago
Read 2 more answers
An international company has 27,200employees in one country. If this represents
Mariana [72]
23.2% of the total employees is 27,200

0.232x = 27,200
x = 27,200 / 0.232
x = 117,241 (thats rounded) <==
6 0
3 years ago
Petra jogs 4 miles in 36 minutes. At this rate, how long would it take her to jog 10 miles?
Nataly [62]
90 minutes or 1 hour and 30 minutes.

Hope this helps, 

kwrob
7 0
3 years ago
Read 2 more answers
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