Expand and simplify 2(5x+4)+3(2x-1)
1 answer:
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A unit multiplier is a conversion factor of value 1 that we can use to convert quantities.
We want to convert 123 pounds per mile to ounces per centimeter.
First, we are going to express the quantity to convert as a fraction:
123 pounds per mile=
Next, we are going to find our multipliers:
- We know for our problem that there are 5,280 feet in 1 mile, so our first multiplier will be:
- We also know that there are 16 ounces in 1 pound, so our second multiplier will be:
- We know that there are 12 inches in 1 foot, so our third multiplier will be:
- We know that t<span>here are approximately 2.54 cm in 1 inch, so our fourth multiplier will be: </span>
Now we can put all our multipliers together:
We can conclude that the answer is 0.01
We want to convert 123 pounds per mile to ounces per centimeter.
First, we are going to express the quantity to convert as a fraction:
123 pounds per mile=
Next, we are going to find our multipliers:
- We know for our problem that there are 5,280 feet in 1 mile, so our first multiplier will be:
- We also know that there are 16 ounces in 1 pound, so our second multiplier will be:
- We know that there are 12 inches in 1 foot, so our third multiplier will be:
- We know that t<span>here are approximately 2.54 cm in 1 inch, so our fourth multiplier will be: </span>
Now we can put all our multipliers together:
We can conclude that the answer is 0.01
Answer:
Step-by-step explanation:
So we know that:
To reflect across the <em>y-axis</em>, instead of x, use -x. Therefore:
Simplify:
And that's our answer :)