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Advocard [28]
3 years ago
10

1-2n=-14+n can someone plz solve and explain this promblem

Mathematics
2 answers:
AnnyKZ [126]3 years ago
5 0

Answer:

n=5

Step-by-step explanation:

1-2n=-14+n

Add 2n to each side to get all the "n" on one side

1-2n+2n =-14+n+2n

1 = -14 + 3n

Add 14 to each side to get all the constants on one side

1 +14 = -14 +14 +3n

15 =3n

Divide each side by 3 to isolate n

15/3 =3n/3

5 =n

Lyrx [107]3 years ago
4 0

Answer:

n=5

Step-by-step explanation:

You can combine like terms to isolate n on one side

Add +2n to both sides; 1-2n+2n=-14+n+2n --> 1=-14+3n

Add +14 to both sides; 1+14=-14+14+3n --> 15=3n

Divide both sides by +3; 15/3 =3n/3 --> 5=n

Now you've solved for you variable; n=5

I hope this helps!

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Solve the open sentence. 6 < 3b OR 3b + 12 < 9
Travka [436]
6 < 3b or 3b + 12 < 9

2< b Or 3b < -3  You can only change the sign should you multiply or divide the negative number.

<span>2 < b or b < 1  that means b > 2
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3 0
4 years ago
Approximately 3 x 10° people live in the USA.
jeyben [28]

Answer:

Step-by-step explanation:

Divide the US population by the world population:

328,200,000/7,674,000,000 = 0.0428

Multiply 0.0428 with 100:

0.0428 x 100 = 4.28

Approximately 4 out of 100 people in the world would live in the USA.

7 0
3 years ago
What is the volume of aa circle with the radius of 1?
patriot [66]

Answer:

3.14159 (pi)

Step-by-step explanation:

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7 0
3 years ago
What is the value of f(g(1)
ladessa [460]

Composite functions is a way of substituting one function into another. The value of the composite function f(g(1)) is 1

<h3>Composite functions</h3>

Composite functions is a way of substituting one function into another.


Given the function expressed as:

y = 3√x + 1

g(1) from the mapping is 0

Substitute g(1) = 0 into the given function to have:

f(g(1)) =  3√0 .+ 1

f(g(1)) =0 + 1
f(g(1))  = 1

Hence the value of the composite function f(g(1)) is 1

Learn more on composite function here: brainly.com/question/10687170

#SPJ1

7 0
2 years ago
Solve this system of equations.<br> y = 2x – 12<br> y = -x + 3
3241004551 [841]
X = 5, y = -2
-x +3 = 2x - 12
-3x = -15
3x = 15
x = 5
y = -5+3
y=-2
4 0
3 years ago
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