Answer:
6
Step-by-step explanation:
8171.28
Sig Figs
6
8171.28
Decimals
2
8171.28
Scientific Notation
8.17128 × 103
E-Notation
8.17128e+3
Words
eight thousand one hundred seventy-one point two eight
Tell me the elaboration next time in this problem because I don't get the expanding or if a is dividing multiplying or if we are doing contracting or adding so I need to see if we're on down to be doing something in my ability or if we're doing something in my not opinion ability
Hi!
There might be different variations into how anyone would approach this problem but this is by far an easy way for me.
In order to solve fractional relationships with a variable, a perfect way to solve them would be to cross multiply and make them equal to each other.
You see the part '3y+12', and when you criss cross over to the other side of the equation, you get three. Multiply that together.
When you see the part '6', when you glide diagonally, you find '4y'. Multiply this together as well. Make them equal to each other.
(<em>This is how you do cross multiplication.)</em>
You should get something like this:
3(3y+12)=6(4y) Distribute the three on the left side and multiply. Do the same on the right.
9y+36=24y Now, you can combine like terms by subtracting 9y to the other side.
36=15y Isolate y and divide it by 15.
y=2.4
I was unclear of the answer, so I plugged in 2.4 into the original equation where the y variable was, and got the right answer, so 2.4 should be the correct one no matter how you got it.
I hope this helped!
Since there are 16 ounces in 1 pound, all we would have to do is multiply 16 by the number of pounds.
16 × 4 = 64
There are 64 ounces in 4 pounds.
Feel free to use this method for other problems.
Answer:
x = -2
Step-by-step explanation:
- 3 x - 6x = -18x
- 4 - 18x + 9 = 41
9 - 4 = 5
- 18x + 5 = 41
- 18x = 41 - 5
- 18x = 36
36 divided by -18 is -2
