2 years ago

Which statement is always true regarding the diagram

Mathematics

1 answer:

Oksana_A [137]2 years ago

3 0

I would say C, I’m not so sure let me know if anything

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The answer be negative 158 or -158

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3 years ago

3) The sum of three consecutive numbers is 72. What are the smallest of these numbers?

34kurt

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Step-by-step explanation:

23 + 24 + 25 = 72

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3 years ago

Steve built a square dog pen that has a perimeter of 240 inches. What is the length of one side of Steve's dog pen?

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3 years ago

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if Sarah repaired her computer her bill was 1444.50 dollars and she included a 15 percent gratuity whats her new total cost

tiny-mole [99]

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2 years ago

What must be true of two rational expressions before they can be added?

VladimirAG [237]

Answer:

They most have common denominators.

Step-by-step explanation:

Let the following two rational expressions:

$\frac{p}{a} , \frac{q}{b}$

where p,a,q, b are integers, a and b the denominators are not 0, i.e. $a,b\neq 0$

We can add rational expressions only if their denominator is same.

That is why we find LCD to be $ab$ .

Then,

$\frac{p}{a} +\frac{q}{b} =\frac{pb+qa}{ab}$

Let the following two rational expressions:

$\frac{p}{a} , \frac{q}{b}$

where p,a,q, b are integers, a and b the denominators are not 0, i.e. $a,b\neq 0$

We can add rational expressions only if their denominator is same.

That is why we find LCD to be $ab$ .

Then,

$\frac{p}{a} +\frac{q}{b} =\frac{pb+qa}{ab}$

So, the correct answer is the last option that we can sum rational expressions if they have common denominator.

3 0

3 years ago