Why is it necessary to apply inverse operations on both sides of the equals l sign when solving an equations

Answers

Answer 1

Answer: Take this example (cause it's easy to explain)

10+5x=15x

To solve it we have to minus five on both side. We have to do this because we need to isolate the variable (in this case x) on the one side so we can divide and solve.

You would -5x (inverse from positive 5) from both sides on this because whatever you do to one side you have to do to the others to make it equal. In this case the answer would be x=1 (again cause it's easy lol.)

I hope this helps you!

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Write 850 as the product of its prime factor

Answers

2*5*5*17=850

Is this what you were asking for?

PLEASE HELP I WILL GVE BRAINLIEST

Answers

Answer:

-3y

Step-by-step explanation:

- $√(9)$ $\sqrt{y^(2) }$

--> -3 $\sqrt{y^(2) }$

--> -3y

Taylor wants to paint his rectangular deck that is 42 ft long and 28 ft wide. A gallon of pain covers 350 sq ft. How many gallons of pain will Taylor need to cover the entire deck? Write and solve an equation to find the area of the deck.

Answers

He will need 3 111/116 gallons of paint. Equation: (42x28)÷350=3 111/116 gallons of paint
Area Equation: 42x28=1176 square feet

42ft*28ft=1176ft²
1176ft²/350ft²=3.36
So, you multiply 42 and 28 in order to find out how large of a space you are needing to paint. You then find out your deck is 1176 square feet. You would then divide by the paint bucket's coverage to find out how many buckets you would need. Then all you have to do is round up so you completely cover it and your answer is 4 buckets of paint, assuming a bucket of paint contains a gallon of paint..

If I had seventeen 1/3s of pizza how many full pizzas could I make and how many thirds would be left over?

Answers

You would make 5 full pizzas and there would be 2/3 left over!

Help me please !!!!!!

Answers

If you read the Question carefully again, you will see that they mention about fence all around the garden (perimeter) which is 256ft. Therefore, you can create an equation for it:
(W+8)+W=256
2W+8 = 256
2W= 256-8
2W = 248
W= 248/2
W= 124

3. Irvin cut a 47 in. wire into two pieces. The longer piece is 13 in. longer than the shorter piece. What is the length of the longer piece?_________ in.

Please Help!!!

Answers

Let's say x to the shoter piece's length, since the longer one is 13 in longer, it's length has to be x+13 in. We know the sum of these pieces is equal to 47. So let's solve:
$x+x+13=47\n 2x+13=47\n 2x=47-13\n 2x=34\n x=\frac { 34 }{ 2 } \n x=17$
the shorter piece's length 'x' is 17 , so the longer piece's length 'x+13' is : $x+13\n 17+13=30$

Answer:

30 inches.

Step-by-step explanation:

i took the test and got it correct.

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