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sweet-ann [11.9K]
3 years ago
6

. Solve the equation. 2/3 x – 6 = 9

Mathematics
2 answers:
Step2247 [10]3 years ago
7 0
If we simplify both sides and isolate the variable we would get 45/2 as our answer :)
Allisa [31]3 years ago
4 0
Hey there!

Okay let's get cracking :D

The equation is....  (2x/3) - 6 = 9

2x/3 = 15
2x = 45
<u>x = 22.5</u><u />    <----- And that is your answer!

I hope it helped! 

<u>Please vote for me as Brainliest if there is a second answer!</u>
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2. It is required to make a closed cylindrical tank of height 1 m and base diameter 140 cm
4vir4ik [10]

Answer:

It's required 7.48\ m^2 of sheet for the tank

Step-by-step explanation:

<u>Surface Area of a Cylinder</u>

Given a right cylinder of base radius r and height h, the surface area is calculated as follows:

S=2\pi r^2+2\pi r h

The cylindrical tank has a height of h=1 m and a base diameter of 140 cm. The radius is half the diameter, thus r=140/2 = 70 cm = 0.7 m. Substituting:

S=2\pi 0.7^2+2\pi (0.7)(1)

S=2\pi 0.49+1.4\pi

S=2.38\pi

\boxed{S=7.48\ m^2}

It's required 7.48\ m^2 of sheet for the tank

7 0
3 years ago
Evaluate 12x−3y when x=−14 and y=3
Amiraneli [1.4K]

12x - 3y

12(-14) - 3(3)

-168 + 9

-159

Hope this helps!! :)

4 0
2 years ago
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Am I right ? <br> [[ PLEASE HELP IF I"M NOT CORRECT. EXPLAIN, SHOW DETAILS, ETC. ]]
Elena-2011 [213]

Answer:

D 12.57

Step-by-step explanation:

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5 0
3 years ago
What is the value of x?
Hitman42 [59]

Answer:

Step-by-step explanation:

Since RQT=155

4x-20+3x+14=155

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