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garri49 [273]
2 years ago
11

Your car gets about 20 miles per gallon. You are planning to drive to

Mathematics
1 answer:
igor_vitrenko [27]2 years ago
5 0

Answer:

42.5 or 43

Step-by-step explanation:

Since you need to travel 850 miles, and you can travel 20 miles per gallon, you should divide 850 by 20 to get the number of gas cans needed. In doing so, you get 42.5 gas cans, but since it may be asking for whole cans rather than part of a gas can, you might want to write 43 instead. If you were to round down to 42, you would not have enough gas to finish the trip, so you should round up to 43. So, it is up to you if you want to write 42.5 or 43.

Hope this helped somewhat! ;(

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schepotkina [342]

SAME SO I CANT ANSWER

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3 years ago
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Estimate the sum of 872 and 121 by rounding both values to the nearest hundred. What is the best estimate of the sum?
Arisa [49]

Answer:

872

Step-by-step explanation:

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3 years ago
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vazorg [7]

Answer: 11 people have a brother in the left circle, 6 people have neither in the center circle, and 9 people have a sister in the far right circle.

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3 years ago
What I can do after completing the course of statistics?
algol13

Answer:

You can apply for Civil services, Statistical services, and the Economic services

Step-by-step explanation:

Source: https://www.tutoreye.com/blog/what-is-the-scope-of-statistics


3 0
2 years ago
Send it quick guys...
Paladinen [302]

Answer:

194

Step-by-step explanation:

Recall 2 rules to solve this easily:

1. (a+b)^2=a^2+2ab+b^2

2. (a-b)^2=a^2-2ab+b^2

<em>Now, if we let a = 7  and  b=4\sqrt{3}, we can say the problem is basically of the form:</em>

(a+b)^2 + (a-b)^2

This can be simplified using the rules:

(a+b)^2 + (a-b)^2\\a^2+2ab+b^2+a^2-2ab+b^2\\2a^2+2b^2

Now we can plug the values of a and b we initially thought of (remember though  \sqrt{x} \sqrt{x} =x):

2a^2+2b^2\\2(7)^2+2(4\sqrt{3})^2\\ 2(49)+2(4\sqrt{3})(4\sqrt{3})\\98+2(4)(4)(\sqrt{3} )(\sqrt{3} )\\98+2(4)(4)(3)\\98+96 \\194

194 is the final answer.

7 0
3 years ago
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