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Fittoniya [83]
3 years ago
8

Five times the difference of twice a number and three, decreased by the sum of the number and eight, equals 13.

Mathematics
1 answer:
insens350 [35]3 years ago
7 0

Answer:

n= 68/9

Step-by-step explanation:

The problem would be 5 ( 2n - 3 ) - ( n+ 8) = 13

10n - 15 -n - 40 = 13

9n - 55 =13

9n= 13+55

9n= 68

( divide both numbers by nine)

n = 68/9

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36

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Write two division expression s that have the same vaule as 36.8 ÷ 2.3
Triss [41]
<h3><u>Write two division expression s that have the same vaule as 36.8 ÷ 2.3 </u></h3>

32 \div 2 = 16\\\\48 \div 3 = 16

<em><u>Solution:</u></em>

Given that,

We hve to find the two division expression s that have the same vaule as 36.8 ÷ 2.3

From given,

36.8 \div 2.3 = 16

So, we have to find two division expressions that has a value of 16

<em><u>First division expression</u></em>

We know that 32 divided by 2 gives 16

Thus, we can write as,

32 \div 2 = 16

<em><u>Second Expression:</u></em>

We know that 48 divided by 3 gives 16

Thus, we can write as,

48 \div 3 = 16

Thus the two expressions are found

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3 years ago
If one inch represents 5 feet, what dimensions would you use to make a scale drawing of a building 30 feet by 65 feet?
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Your ship has steamed 1651 miles at 20 knots using 580 tons of fuel oil. The distance remaining to your next port is 1790 miles.
oee [108]

The 680 tons of fuel needed to cover the next 1790 miles distance.

According to the statement

We have given that the ship covered a 1651 miles distance at 20 knots by a 580 tons of fuel oil.

And distance remaining to next port is 1790 miles and speed increases to 25 knots.

And we have to find that how much fuel used to reach that port.

So, Distance covered = 1651 mile

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distance covered with 1 tons fuel = 1651/580

distance covered with 1 tons fuel = 2.85 mile at a speed of 20 knots.

so, The fuel consumption for 1790 mile is = 1790/2.85

The fuel consumption for 1790 mile is = 628 tons of fuel needed.

So, The 680 tons of fuel needed to cover the next 1790 miles distance.

Learn more about Distance here brainly.com/question/1872885

#SPJ4

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2 years ago
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