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tangare [24]
3 years ago
7

Do you pay $3.694 a gallon of gasoline this is 90% of the price of a gallon of gasoline one year ago what was the price of a gal

lon of gasoline one year ago
Mathematics
1 answer:
lana [24]3 years ago
8 0

Answer:

Price of gallon of gasoline one year ago is $ 4.1

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An airplane climbs 100 feet during the first second after takeoff. In each succeeding second it climbs 100 feet more than it cli
tigry1 [53]

Answer:

15 seconds.

Step-by-step explanation:

∵ The distance covered by plane in first second = 100 ft,

Also, in each succeeding second it climbs 100 feet more than it climbed during the previous second,

So, distance covered in second second = 200,

In third second = 300,

In fourth second = 400,

............, so on....

Thus, the total distance covered by plane in n seconds = 100 + 200 + 300 +400......... upto n seconds

=\frac{n}{2}(2\times 100 + (n-1)100)  ( Sum of AP )

=\frac{n}{2}(200+100n-100)

=\frac{n}{2}(100+100n)

=50n+50n^2

Suppose the distance covered in n seconds is 12,000 feet,

\implies 50n+50n^2=12000

n+n^2=240

n^2+n-240=0

n^2+16n-15n-240=0

n(n+16)-15(n+16)=0

(n-15)(n+16)=0

\implies n=15\text{ or }n=-16

∵ n can not be negative,

Hence, after 15 seconds the plane will reach an altitude of 12,000 feet above its takeoff height.

6 0
3 years ago
Read 2 more answers
Barack is saving up his money to buy a television that costs $395.50. Right now he has $85.00 and can save $29.00 each week. How
aliina [53]

Answer:

11 weeks

Step-by-step explanation:

Its easy

5 0
3 years ago
Which of the following is an intangible component within the bundle of rights attached to land ownership?
malfutka [58]

Answer:

Air rights, water rights, mineral rights, easements, leases, mortgages, licenses, and/or profits

5 0
3 years ago
Suppose your friends have the following ice cream flavor preferences: 70% of your friends like chocolate (C). The remaining do n
d1i1m1o1n [39]

Answer:

The probability that your friend had sprinkles given that he had chocolate (P(S|C)) is approximately 0.357 or 0.36 if you round it to 2 decimals.

Step-by-step explanation:

Let's define the following events:

C = "Your friends like chocolate flavor"

S = "Your friends like sprinkles topping"

We also know that P(S) = 0.7, P(C) = 0.4 and P(S \cap C) = 0.25. We are interested in the probability of given that your friend had chocalate what is the probability that he also likes sprinkles, in other words we want P(S|C). Note that,

P(S|C) = \frac{P(S \cap C)}{P(C)} = \frac{0.25}{0.70} \approx 0.357 \approx 0.36

4 0
3 years ago
Which statement is true? (25 points)
olasank [31]

Answer:

C. The value of 534 − 356 is half the value of 2 x (534 − 356). :) hope this helps.

Step-by-step explanation:

4 0
4 years ago
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