3 years ago

Which of the following is an essential characteristic of an equation

Mathematics

2 answers:

madreJ [45]3 years ago

7 0

Answer:

A) variables

⠀⠀⠀

the variable must be raised to the second power.

musickatia [10]3 years ago

6 0

The answer is variables I hope I helped you

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Okay here is the math problem..

Daniel [21]

Each hamburger weighs 1/4 lbs.
Work:
3/4 divided by 3 equals 3/4 times 1/3 which equals
3/12 simplify it and get 1/4

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3 years ago

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the circumference of a swimming pool is 47 feet. Which formula can you use to find the radius if you know that C = 2πr ?

Luda [366]

Answer:

r = 7.48

Step-by-step explanation:

47/2 = 23.5

23.5/ 7.48

r= 7.48

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4 years ago

Need to write 3,516.568 in a expanded form how do I do it

mixer [17]

$3,516.568=3,000+500+10+6+0.5+0.06+0.008$

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2 years ago

Please help I’m struggling on this question.

timofeeve [1]

Answer: $\frac{2(y^2-4y+40)}{(y-8)(y+4)}$

Step-by-step explanation:

To solve this problem, we want to make sure the denominators are the same on both fractions. Once they are equal, we can dd them together.

$\frac{y+4}{y-8} +\frac{y-8}{y+4}$ [multiply first fraction by y+4 and second by y-8]

$\frac{(y+4)(y+4)}{(y-8)(y+4)} +\frac{(y-8)(y-8)}{(y-8)(y+4)}$ [distribute by FOIL]

$\frac{y^2+8y+16}{(y-8)(y+4)} +\frac{y^2-16y+64}{(y-8)(y+4)}$ [add numerator]

$\frac{y^2+8y+16+y^2-16y+64}{(y-8)(y+4)}$ [combine like terms]

$\frac{2y^2-8y+80}{(y-8)(y+4)}$ [factor out 2 from numerator]

$\frac{2(y^2-4y+40)}{(y-8)(y+4)}$

Now we know that $\frac{2(y^2-4y+40)}{(y-8)(y+4)}$ is the factored form after adding.

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3 years ago