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Vlada [557]
4 years ago
14

Evaluate the expression?????

Mathematics
2 answers:
liraira [26]4 years ago
8 0

Answer: 15.6

Step-by-step explanation:

Nady [450]4 years ago
5 0
So the answer is 15.6

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Gobe weighs 53.6 kg. he wears shoes which weigh 450 gm and carries a school bag weighing 4.5 kg. if he stands on the scales in h
-Dominant- [34]

Answer:

The key to this question is converting all the mass units to the same unit and adding them all up.

The only value that isn't consistent with the other units is 450 gm or grams.

Recall that 1 gram is equal to 0.001 kilo grams. So if you want to convert grams to kilograms you would multiply that amount by 0.001 or 1/1000

450gm * \frac{1}{1000} = 0.45kg

Now let's add up all the masses.

53.6kg + 0.45kg + 4.5kg = 58.55 kg\\

(Now a few footnotes here, that I considered but wasn't sure about. The answer asks for weight, but you're only given mass to work with. That would be fine, if the question asked you to convert it to SI weight units like Newtons, but there's no mention of that. And also I'm not sure if the question requires significant digits. But I'll continue the answer if you think so)

To convert this into weight in Newtons, multiply by 9.81 m/s^2

58.55kg*9.81m/s^2 = 574.3755 N\\\\= 5.7 * 10^2 N

6 0
3 years ago
HELP ME GRAPH THIS PLEASE IM DUMB I KNOW
cupoosta [38]

Answer:

You should graph the lines (0, 0) to (2, 120), (2, 120) to (2.5, 120), and (2.5, 120) to (3.5, 150).

Step-by-step explanation:

If we see, for the first part, she drive 60 miles an hour and drives for 2 hours. This means that after 2 hours, she has driven 60 * 2 = 120 miles in 2 hours. Then she spends 30 minutes, or half an hour, no moving forward as she changes the tire. Finally, she drives at 30 miles an hour for an hour. This means she has driven 120 + 30 = 150 miles in total after 3 and a half hours.

Our first line goes from (0, 0) to (2, 120), as thats how far we drove in 2 hours. The next line goes from (2, 120) to (2.5, 120), as she was changing a tire and made no progress. Finally, the last line goes from (2.5, 120) to (3.5, 150), as she drives for another hour at 30 miles an hour.

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3 years ago
Part of the American romantic transcendental belief system included a turning away from the negative effects of industrializatio
Leno4ka [110]

Answer:

<h2><u>Nature</u></h2>

Step-by-step explanation:

acellus

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3 years ago
Rewrite this decimal 4.5 as a mixed fraction in its lowest term. ​
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4.5=4 and 1/2

Step-by-step explanation:

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