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3 years ago

If 3(n+8)=36 what is the value of n

Mathematics

2 answers:

skelet666 [1.2K]3 years ago

5 0

Answer:

4 is the value of n

Step-by-step explanation:

First you want to get the n by itself, which means dividing the 3...

36 / 3 = 12 -- So your equation looks like this n+8=12, subtract the 8 to get 4

12-8 = 4, once you plug the 4 back into the normal equation you get 36

3(4+8)=36

Ronch [10]3 years ago

4 0

Answer:

Thus, n = 4 is the solution.

Step-by-step explanation:

1. perform the indicated multiplication, obtaining 3n + 24 = 36

2. Subtract 24 from both sides: 3n = 12

3. Solve this result for n: n = 12/3. Thus, n = 4 is the solution.

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A horse takes 3 steps to walk the same distance for which a goat takes 4 steps. Suppose 1 step of the dog covers 1/2 of a metre.

almond37 [142]

Answer:

The goat would cover 9 meters in taking 24 steps.

Step-by-step explanation:

There is a mistake in the question so the correct question is below:

A horse takes 3 steps to walk the same distance for which a goat takes 4 steps. Suppose 1 step of the horse covers 1/2 of a metre. How many metres would the goat cover in taking 24 steps?

Now, to find the meters goat cover in taking 24 steps.

As 1 step of horse covers = $\frac{1}{2} \ meter.$

So, 3 step of horse covers = $\frac{1}{2} \times 3$ $=\frac{3}{2} =1.5\ meters.$

Thus, 3 steps of horse covers = 1.5 meters.

As given, the horse takes 3 steps to walk the same distance for which a goat takes 4 steps.

So, the distance covers by goat in 4 steps = 1.5 meters.

Now, to get the meters goat cover in taking 24 steps by using unitary method:

If, the distance cover by the goat in 4 steps = 1.5 meters

So, the distance cover by the goat in 1 step = $\frac{1.5}{4}$

Thus, the distance cover by the goat in 24 steps = $\frac{1.5}{4}\times 24$

= $\frac{36}{3}$

= $9\ meters.$

Therefore, the goat would cover 9 meters in taking 24 steps.

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