2 years ago

Solve the equation 3n-1=8

Mathematics

2 answers:

igomit [66]2 years ago

7 0

Answer:

n = 3

Step-by-step explanation:

Start by adding 1 to both sides.

3n - 1 + 1 = 8 + 1

Simplify: The ones cancel out.

3n = 9

Divide both sides by 3

3n/3 = 9/3

The 3's cancel out

Answer:

n = 3

I hope this helps!

olga2289 [7]2 years ago

6 0

N=3 darling . N is being times by 3. So 3*3=9 and minus one is 8!

You might be interested in

3 + 4n + n = 2n + 15

Reika [66]

Answer:

the answer is n=4

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

If f(×)=1/3×^2+5find f(-9)

Snezhnost [94]

Answer:

I think this is the answer

$f( - 9) = \frac{1}{3( - 9) {}^{2} } + 5 \\ = \frac{1216}{243} \\ = 5.0041$

5 0

3 years ago

? M/S = 7.2 km/h ------ PLEASE HELP

Gre4nikov [31]

To go from km/h to M/S you have to multiply by 3,6 so this must be the answer:
7,2 km/h x 3,6 = 25,92 M/S

8 0

3 years ago

Helpppppp, also please explain it fully. If you do I'll mark brainliest

Alja [10]

What’s the question?

8 0

2 years ago

Find the length of the third side. If necessary, round to the nearest tenth. 30 18

grigory [225]

Answer:

Step-by-step explanation:

use Pythagoras theorem

a^2 + b^2 = c^2

18^2+b^2=30^2

b^2 = 30^2 - 18^2

b = √576 =24

8 0

2 years ago