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kogti [31]
3 years ago
10

PLEASE HELP ASAP WHAT IS THE ANSWER TO 20x = 4

Mathematics
2 answers:
madam [21]3 years ago
3 0

Answer:

1/5

Step-by-step explanation:

stealth61 [152]3 years ago
3 0

Answer:

x= 1/5 or 0.2

Step-by-step explanation:

20x=4 Divide by 20 on both sides

4/20 if you simplify you will get 1/5

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Suppose for some value of x the solution to the equation 2.5(y−x)=0 is y = 6. What must be true about x?
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Step-by-step explanation:

In this case, you input the value of y (y = 6) into the equation ( 2.5(y-x)= 0)

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7 0
2 years ago
Identify each function that has a remainder of -3 when divided x+6
Sergeu [11.5K]

Answer:

D

Step-by-step explanation:

According to remainder theorem, you can know the remainder of these polynomials if you plug in x = -6 into them.

<em>So we will plug in -6 into x of all the polynomials ( A through D) and see which one equals -3.</em>

<em />

<em>For A:</em>

x^5 + 2x^2 - 30x + 30\\=(-6)^5 + 2(-6)^2 - 30(-6) + 30\\=-7494

For B:

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x^3 - 10x^2 - 7\\=(-6)^3 - 10(-6)^2 - 7\\=-583

For D:

x^4 + 6x^3 - 10x - 63\\=(-6)^4 + 6(-6)^3 - 10(-6) - 63\\=-3

The only function that has a remainder of -3 when divided by x + 6 is the fourth one, answer choice D.

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3 years ago
Which postulate can be used to prove that two triangles are congruent
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