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3 years ago

Which operation should you perform first when you simplify the expression below?

Mathematics

2 answers:

aalyn [17]3 years ago

6 0

Answer:

A pq eu já não sei mas vou na A! não sei falar inglês, meu irmão leu, mas acho que não leu direito, eu chuto na A

elena-14-01-66 [18.8K]3 years ago

6 0

B : subtractions

because first of all is What is inside the arc

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Please Help!! Find the Polynomial!!

grin007 [14]

Answer:

$\pi x^2-8\pi x+16\pi$

Step-by-step explanation:

To find the area of the inner circle, we need to find its radius. Here, we can write the radius as 4 - x. Now, we can use the formula $A=\pi r^2$ :

A = $\pi$ * $(4-x)^2$

We can expand the square:

A = $\pi *(16-8x+x^2)=\pi x^2-8\pi x+16\pi$

Thus, the polynomial is $\pi x^2-8\pi x+16\pi$ .

Hope this helps!

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3 years ago

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There are 100 students in the 4th grade. 5 of these students are absent today. Write a decimal to show the part of the students

Thepotemich [5.8K]

The answer to the question

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3 years ago

My questions are all in the photo

user100 [1]

Answer:

A. a=25

B. RCA and QBD

C. Angle PBA

Step-by-step explanation:

2a-9+5a+14=180 since they are same side interior they equal 180

combine like terms- 7a+5=180

subtract 5 from each side- 7a=175

divide 7 from each side- a=25

Please mark Brainliest

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3 years ago

Click on file! ;D thank you! <3

Crank

Answer:

The answer is True for the first and false for the last also cool pfp Neeheehee ;)

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3 years ago

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Which choice is the appropriate simplified form and restriction for the variable? 3x^2+9x over x^2-2x-15

VARVARA [1.3K]

(3x^2 + 9x) / ( x^2 -2x -15)

Factor both polynomials

(3x)(x+3) / (x-5)(x+3) = 3x/(x+5)

The simplified form is 3x/(x+5)

The restriction for the variable is x ≠ -3 (this is because you can only simplify the factor x-3 if its value is not zero).

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3 years ago

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