MATHEMATICS MIDDLE SCHOOL

The sum of two numbers is 36. twice the first number minus the second is 6. find the two numbers

Answers

Answer 1

Answer:

The values of the two numbers are 14 and 22 respectively.

Let the numbers be represented by x and y

Based on the information given, the equation to represent the information will be:

x + y = 36 ..... i

2x - y = 6....... ii

Add equation i and ii together

3x = 42

x = 42/3

x = 14

Since x + y = 36

Then, we'll put the value of x into the equation and this will be:

x + y = 36

14 + y = 36

y = 36 - 14

y = 22

Therefore, the values of x and y are 14 and 22 respectively.

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Answer 2

Answer: 2x-y=6 2x-y=6
x+y=36 2(36-y)-y=6
72-2y-y=6
x+y=36 72-3y=6
-y -y -72 -72
x=36-y -3y=66
x=36-22 -3y -3y
x=14 y=22

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What is the lowest same denominator for 8 and 6

Answers

24 because 8 times 3 equals 24 and 6 times 4 equals 24 thank if it helped

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an amusement park sells child and adult tickets at a ratio of 8:1 on saturday they sold 192 child tickets. how many tickets did the amusement park sell on saturday?

Answers

Answer:

216 total tickets

Step-by-step explanation:

192/8 since the ratio is 8:1 we get 24 adult tickets and 192+24=216 total tickets

What is the solution of the equation 3^x=12? Round your answer to the nearest ten-thousandth.A) 0.4421

B) 0.4771

C) 0.5149

D) 2.2619

Answers

Hey!

Okay, so if   $f(x)$ equals   $g(x)$ , then $In(f(x))$ equals   $In(g(x))$ . So, we'll plug in the numbers into this 'equation' we have now.

$In(3^(x) ) = In(12 )$

And now we'll apply this log rule →   $log_(a) (x^(b) ) = b * log_(a) (x)$

$In(3^(x) )=xIn(3) \n xIn(3)=In(12)$

Now we have to solve $In(3^(x) )=xIn(3) \n xIn(3)=In(12)$ . To do that, we'll divide both sides of the equation by   $In(3)$ .

$(xIn(3))/(In3) = (In(12))/(In(3))$

Now we simplify

$x = (In(12))/(In(3))$

So, this means the equation   $3^(x) =12$ solved is   $x = (In(12))/(In(3))$ or  2.2619.

Hope this helps!

- Lindsey Frazier ♥

The answer is D.) 2.2619.

write two mixed numbers that have a sum of 3