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Viefleur [7K]
3 years ago
15

Please help thanks thanks thanks ty

Mathematics
1 answer:
Archy [21]3 years ago
3 0

Answer:

104 degrees

Step-by-step explanation:

First let's start by finding Angle DGC. Since Angle FGD and DGC are a linear pair, Angle DGC = 180-90 = 90 degrees.

Next we need to find GDC

Angles in a triangle add up to 180 degrees therefore...

Angle GDC + DCG + DGC = 180

Plug in the values we found into the equation

Angle GDC + 37 + 90 = 180

Angle GDC + 127 = 180

Angle GDC = 53

Therefore Angle ADC = 53 + 51 = 104 degrees

Since ABCD is a parallelogram, then opposite angles are equal therefore...

Angle B = 104 degrees

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Three tanks,A,B,C are used to store oil. Tank A contains 'n' litres of oil. Tank B contains (n+150) litres of oil. Tank C is emp
elena-14-01-66 [18.8K]
Before Transferring oil to Tank C :
Tank A = n
Tank B = n + 150
Tank C = 0

Total = n + n + 150 
Total = 2n + 150

After transferring some oil to Tank C, each of the tank has the same amount.
Each tank = (2n + 150) ÷ 3 = 2/3 n + 50

500ml was transferred from tank A to Tank C:
n - (2/3n + 50) = 500
n - 2/3n - 50 = 500
1/3n = 550
n = 1650 ml

----------------------------------------------------------------------------------------
Answer: The value of n is 1650.
----------------------------------------------------------------------------------------

Check:
Before Transfer: 
Tank A = n = 1650
Tank B = n + 150 = 1650 + 150 = 1800
Tank C = 0

Total = 1650 + 1800 = 3450ml

After transfer:
Each tank = 3450 ÷ 3 
Each tank = 1150

Tank A before transfer = 1650
Tank A after transfer = 1150
1650 - 1150 = 500 (checked)

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3 years ago
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Answer:

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Step-by-step explanation:

x + y - 5

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Step-by-step explanation:

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Answer:

hope it helps...

Step-by-step explanation:

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