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Sedbober [7]
3 years ago
12

If the sum of a number and one is tripled, the result is four less than twice the number. Find the number.

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
8 0

x+1*3+y-4=x                    

the answer        

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Answer:

  • 55°, 70°, 55°

Step-by-step explanation:

<u>Δ MHP is right triangle, therefore</u>

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<u>ΔMNP  is isosceles triangle as MN = MP, therefore</u>

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  • m∠NMP = 180° - 2*55° = 70°

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Step-by-step explanation:

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A copper key is placed in a cylindrical container with a 3-cm diameter. The water level rises from 14 cm to 14.6 cm. What is the
Tomtit [17]

Answer:

The volume is about 4.24 cm^3.

Step-by-step explanation:

From the question we are told that:

Diameterd= 3-cm

Radius r=d/2=>1.5cm

Height risen14.6-14=0.6cm

Generally the equation for Volume of a Key is mathematically given by

Since Volume of a cylinder is Given as

V=\pir^2h

Therefore

V=\pi*1.5^2*0.6

V=4.2417\\\\V=4.24 cm^3

Correct Option A

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