Explain why x+8=12 and 12-x=8 have the same solution ?

Answers

Answer 1

Answer: $x+8=12\ \ \ \ |subtract\$

Answer 2

Answer: because the equations are equivalent, either way you solve them, you will have the same outcome

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Rewrite the expression with parentheses to equal the given value 100-30÷5 value 14
Identify the outlier in the following data set. 65, 72, 81, 74, 28, 74
Noah wants to predict who will be selected as the sixth-grade treasurer for student council. Which of the following groups should Noah survey to make his prediction?A) The first 100 students from an alphabetical list of the entire school B) The first 100 students from an alphabetical list of sixth graders C) One hundred random students from the entire school D) One hundred random students from the sixth grade
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Write an equation of the line that passes through the given points:there are four questions:

   1) (0,-1);(6,8)
   2) (3,1);(9,7)
   3) (1,2);(10,14)
   4) (0,0);(-3,5)

Answers

y=ax+b
1) we put this points into general formula
$\left \{ {{-1=a*0+b} \atop {8=6a+b}} \right.\nb=-1\n8=6a-1\n6a=9\na= (3)/(2)$
$y= (3)/(2)x-1$
2)
$\left \{ {{1=3a+b} \atop {7=9a+b}} \right. \n b=1-3a\n7=9a+1-3a\n6a=6\na=1\nb=1-3*1=-2\ny=x-2$
3)
$\left \{ {{2=a+b} \atop {14=10a+b}} \right.\nb=2-a\n14=10a+2-a\n12=9a\na= (4)/(3) \nb=2- (4)/(3)=(2)/(3)\ny=(4)/(3)a+(2)/(3)$
4)
$\left \{ {{0=b} \atop {5=-3a+b}} \right.\n5=-3a\na=- (5)/(3)\ny=-(5)/(3)a$

KELLY HAS 4 TIMES AS MANY SONGS ON HER MUSIC PLAYER AS LOU. TIFFANY HAS 6 TIMES AS MANY SONGS ON HER MUSIC PLAYER AS LOU. ALTOGETHER, THEY HAVE 682 SONGS ON THEIR MUSIC PLAYERS. HOW MANY SONGS DOES KELLY HAVE?

Answers

682 divide by 4 = 170.5
is that right no or yes

What is 350 over 100 in simplest form

Answers

well, its like this:
350/100 would be: 350 divide by 100, then you get: 3.5
So 100 times 3 is 100. so it is:
3 50/100 then it simplafies to:
3 1/2
(3 and one half)

HELP PLEASE HELP ITS THE LAST QUESTION

Answers

C and d hope it help

Michael exchanged 1000 is dollars for the Croatian currency which is called the kuna. The exchange rate was 5.81 kuna to $1 how many Croatian kuna did he get

Answers

$1000 divided by 5.81 = 172.117, so about 172 kuna

Determine the number of solutions that exist to the equation. 8(j-4)=2(4j-16)

Answers

8(j-4)=2(4j-16)
8j - 32 = 8j - 32

Since both sides are equal, there are is an infinite number of solutions.

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A company wants to collect opinions on employee working conditions. Which group of individuals would be the best choice for a random sample?Group of answer choicesThe names of 25 employees that have taken 5 or more sick days in the last quarter are chosen out of a hat and asked their opinion about the working conditions.The names of 25 employees are chosen out of a hat and asked their opinion about the working conditions.The names of 25 employees that have volunteered to take a survey are asked their opinion about the working conditions.The first 25 employees that clock in on a Monday morning are chosen out of a hat and asked their opinion about the working conditions.