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poizon [28]
3 years ago
11

What is the value of the ratio 4:12?

Mathematics
2 answers:
Volgvan3 years ago
7 0
Here 4 is called the antecedent, and 12 is called the consequent. The first term is always called the antecedent and the second term is always called the consequent.

<span> Your ratio can be reduced, just like a fraction. Here, 4 and 12 share the common factor of 4. So we can divide both numbers by 4 to get a ratio that means exactly the same thing as 4:12. This ratio will be 1:3.</span><span> In other words, 1:3 is the same as your ratio 4:12.</span><span> Ratios sometimes mean how each number relates to some whole amount. For example, your ratio is 4:12. Since, 4 + 12 = 16, 16 is your whole amount. So, 4 is one part of 16, and 12 is the other part of 16.</span><span> So your ratio means 4/16 forms one part, and 12/16 forms the other part. This is what is meant by "ratios compare the size of one number to another number." The size of these two parts is what a ratio compares.</span><span> Notice that 4/16 = 0.25 (25%), and 12/16 = 0.75 (75%) (these are the two parts), and 0.25 + 0.75 = 1 (they add to be 1 whole).</span><span> This can also be stated in terms of percentages, like 25% + 75% = 100%.</span>
Savatey [412]3 years ago
3 0
Well you know that a Ratio is a fraction so you put 4 over 12 and simplify and you get 1/3.

Hope it help you :)




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3 0
3 years ago
La suma de dos números es 14 añadiendo 1 al mayor se obtiene el doble del menor cuáles son los dos números. si puede ser explica
elena-s [515]

Answer:

The two numbers are 9 and 5.

Step-by-step explanation:

The question is:

The sum of two numbers is 14, adding 1 to the greatest gives twice the smallest which are the two numbers. if it can be explained please

Solution:

Denote the two numbers by <em>x</em> and <em>y</em>.

It is provided that:

x+y=14...(i)

Also,

x+1=2y\\\Rightarrow x-2y=-1...(ii)

Solve the equations (i) and (ii) by the substitution method as follows:

In equation (ii) substitute <em>x</em> = 14 - y and solve for <em>y</em>:

x-2y=-1\\14-y-2y=-1\\-3y=-1-14\\-3y=-15\\y=5

Substitute <em>y</em> in equation (i) and solve for <em>x</em> as follows:

x+y=14\\x+5=14\\x=14-5\\x=9

Thus, the two numbers are 9 and 5.

4 0
3 years ago
Can someone please help with this ?
creativ13 [48]

Answer:     -9n+20

This is the same as 20-9n

================================================

Explanation:

The jump from 11 to 2 is "minus 9"

The jump from 2 to -7 is also "minus 9".

Assuming this pattern continues on, we have an arithmetic sequence with

  • a = 11 = first term
  • d = -9 = common difference

The nth term can be found like so

a_n = a + d(n-1)\\\\a_n = 11 + (-9)(n-1)\\\\a_n = 11 -9n + 9\\\\a_n = -9n+20\\\\

Let's check the answer by trying n = 3

a_n = -9n+20\\\\a_3 = -9*3+20\\\\a_3 = -27+20\\\\a_3 = -7\\\\

This shows the third term is -7, which matches what the original sequence shows. The answer is partially confirmed. I'll let you check the other values of n. You should get 11 when trying n = 1, and you should get 2 when trying n = 2.

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Answer:

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For the problem "13-x", replace "x" with the 2. Replace the x with the 2 for the rest of the problems. Then repeat the substitution method (chart is attached so you can see what I mean) with the numbers 4, 6, 8, 10, and 12.

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Answer:

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