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Anna35 [415]
2 years ago
12

What is the percent change in the price of a gallon of gas, to the nearest whole percent?

Mathematics
1 answer:
Hatshy [7]2 years ago
8 0

Answer: 3.499 now 3.079 is correct

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The Russell family and the Gonzalez family each used their sprinklers last summer. The water output rate for the Russell family'
Alexus [3.1K]

Answer:

Russell family's sprinkler: 40 hours

Gonzales family's sprinkler: 20 hours

Step-by-step explanation:

Let's call the amount of time the Russell family's sprinkler was on by X, and the Gonzales family's sprinkler by Y.

We can then formulate the equations:

X + Y = 60

X*35 + Y*40 = 2200

We can solve this system multiplying the first equation by 35, and then subtracting the result from the second equation:

35*X + 35*Y = 2100

5*Y = 100

Y = 20

from the first equation:

X + 20 = 60

X = 40

Russell family's sprinkler: 40 hours

Gonzales family's sprinkler: 20 hours

8 0
2 years ago
Are the following figures similar?
aalyn [17]

a no the corresponding angles are not congruent

∠A ≠ ∠E and ∠D ≠ ∠H


8 0
3 years ago
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Patrick’s luck had changed over night – but not his skill at mathematical reasoning. The day after graduating from college he us
Verdich [7]

Answer:

I assume Josh and Peyton are his friends and both gave him advice on what to do with half of the money from the big lottery win.

Let's say Josh said "save it or invest it for your retirement" and Peyton said "use it to keep playing the lottery.

We will now look at the sense in each piece of advice!

Step-by-step explanation:

JOSH

By investing the $250,000 (half of the money won), Patrick will be sure that the money is available for him anytime and would even have gotten interest, by the time he's ready to use it.

PEYTON

By playing the lottery continuously, Patrick could get lucky once in a while and win big again. How big though?

Analyzing with the figures given,

$20 gets Patrick a lottery ticket.

$250,000 will get him 12,500 lottery tickets!

Whether he's buying the tickets at once or he'll play the lottery once in a while, I'll say he has good chances of winning big again.

So if the probability of winning big after purchasing up to 12,500 tickets is close to 1, Patrick should play the lottery with the $250,000

If the probability of winning big after purchasing 12,500 lottery tickets is close to 0 (closer to 0 than it is to 1) then Patrick should invest the $250,000 in retirement.

5 0
3 years ago
(13+3x) + 166 = 180​
kaheart [24]

Answer:

ye

Step-by-step explanation:

5 0
3 years ago
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Kennedy can type 150 words in 2 minutes. How many words per minute can Kennedy type?
zubka84 [21]

Answer:

75

Step-by-step explanation:

6 0
2 years ago
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