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4 years ago

How would you convince a fellow student that the number 0.57 is a rational number?

Mathematics

1 answer:

Setler79 [48]4 years ago

8 0

Because a rational number is basically a fraction or decimal form

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Pleaseeee answer quick WILLL GIVE BRAINLIEST!!!!!! Given the expression: 5x10 − 80x2 Part A: Rewrite the expression by factoring

sladkih [1.3K]

Answer:

$5\,x^{10}-80\,x^2=5\,x^2\,(x^4+4)(x^2-2)(x^2+2)$

Step-by-step explanation:

First, extract the greatest common factor of the numerical as well as the variable parts:

the GCF of 5 and 80 is "5", and the GCF between $x^{10}$ and $x^2$ is $x^2$ , then:

$5\,x^{10}-80\,x^2=5\,x^2\,(x^8-16)$

Now, we can re-write the binomial in parenthesis as a difference o squares to be able to factor out even further:

$x^8-16=(x^4)^2-4^2=(x^4-4)(x^4+4)$

we now repeat the process for the binomial difference:

$(x^4-4)=((x^2)^2-2^2)=(x^2-2)(x^2+2)$

So finally the complete factorization is:

$5\,x^{10}-80\,x^2=5\,x^2\,(x^4+4)(x^2-2)(x^2+2)$

4 0

4 years ago

True [87]

Answer:

C. (1, –2); minimum

Step-by-step explanation:

Answer:

Step-by-step explanation:

The vertex is the turning point of the graph.

This is at (- 1, - 2)

The graph changes from decreasing to increasing at (- 1, - 2)

Hence is a minimum at (- 1, - 2)

5 0

3 years ago

Given the following sets: A = {1,2,3,4,5,6,7}, B = {2,4,7,9, 10}, C={1,3,5,7,9}, U = {1,2,3,4,5,6,7,8,9,10,11,12}

Blababa [14]

Answer:

thats not a real question what do you mean...

Step-by-step explanation:

3 0

3 years ago

What are the terms in the expression 2d + 7 + 5f?

expeople1 [14]

Answer: 2d, 7, and 5f

Step-by-step explanation: Each part of the equation that is separated by a + or - is considered a "term."

5 0

3 years ago

What is the slope of -2x+ 5y = 10?

Klio2033 [76]

Answer:

the rise is 2 and the run is 5

Step-by-step explanation:

2/5

5 0

3 years ago

Read 2 more answers