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Drupady [299]
2 years ago
5

The average petrol consumption of a vehicle is 1 gallon per 35 km. The cost of 1 litre of petrol is $49. Fund the cost of petrol

for a journey of 280 km.
(take 1 gallon=4.5 litres)
Mathematics
1 answer:
fomenos2 years ago
8 0

Step-by-step explanation:

Total petrol consumption of the journey=

Total distance travelled ÷ Average petrol consumption

= 280 \div 35 \\  = 8 \: gallons

Given 1 gallon = 4.5 litres,

8 \: gallons \:  = 8 \times 4.5 \\  = 36 \: litres

Total cost of petrol for this particular journey = Petrol consumed x cost of 1 litre of petrol

= 4.5 \times 49 \\  = 220.50 \: dollars

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Rasek [7]

Answer:

x=2\sqrt3\ km

Step-by-step explanation:

Given that,

The base of a triangle = 2 km

The perpendicular height of the triangle = 2\sqrt{2} \ km

We need to find the value of x. It is the Hypotenuse of the triangle. It can be solved as :

x=\sqrt{(2\sqrt{2})^2+2^2 } \\\\=2\sqrt{2+1 } \\\\=2\sqrt3\ km

So, the value of x is equal to 2\sqrt3\ km.

3 0
2 years ago
Please help me, I don't understand this-
Andreas93 [3]

Answer:

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Step-by-step explanation:

5 0
2 years ago
What is the final amount if 784 is decreased by 1% followed by a 4% increase?
Ilya [14]

Answer:

3136

Step-by-step explanation:

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2 years ago
The following formula relates three quantities force mass and acccelerations<br> F=ma
belka [17]
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6 0
2 years ago
Please answer! it's more complicated than it looks!​
kifflom [539]

Answer:

1. 360

2. Yes because in a regular hexagon all angles are congruent so the exterior angles are as well

3. (i) 60 (ii) 120

4.

(i) 1. 360 2. Yes because in a regular octagon all angles are congruent so the exterior angles are as well 3. (i) 45 (ii) 135

(ii) 1. 360 2. Yes because in a regular 20-gon all angles are congruent so the exterior angles are as well 3. (i) 18 (ii) 162

Step-by-step explanation:

Works for each polygon

1. First take the number of sides and subtract it by 2 then multibly that by 180

6-2=4x180=720

Then divide by the number of angles and subrtact that number by 180 to find the measure of one exterior angle

720/6=120

180-120=60

Then multiply by the number of exterior angles

60x6=360

2. Regular polygons always have equal angles so the exterior angles are as well

3. Put in your numbers from earlier

(i) 60 (ii)120

Hope this helps! :)

P.S. Feel free to mark brainliest :)

6 0
2 years ago
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