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Nana76 [90]
3 years ago
6

What polynomial will produce the sum 7x^2-x+3 when added to 3x^2-5x+4

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
5 0

Answer:

4x^2 + 4x - 1

Step-by-step explanation:

Let f(x) = 7x^2 - x + 3, g(x) = 3x^2 - 5x + 4, and let h(x) be the polynomial that we have to find.

From the question we know that,

f(x) = g(x) + h(x)

Subtract both sides by g(x),

f(x) - g(x) = h(x)

So h(x)

= f(x) - g(x)

= 7x^2 - x + 3 - 3x^2 + 5x - 4

= 4x^2 + 4x - 1

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Jason solved the following equation to find the value for x.
maks197457 [2]

Answer:

Jason can plug what x equals (6.5) back into the equation everywhere x is and solve! If the answers on both sides equal each other (example 3=3) then that means his answer is correct.

Step-by-step explanation:

Facts and math.

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3 years ago
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X + 3/4 > 11/4
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3 years ago
2,3,5,9,17,33 what are the next three terms?
stich3 [128]

The next three terms of sequence are 65, 129 and 257

<em><u>Solution:</u></em>

<em><u>Given sequence is:</u></em>

2, 3, 5, 9, 17, 33

We have to find the next three terms in sequence

<em><u>Let us find the logic used in this sequence</u></em>

2 + 2^0 = 2 + 1 = 3\\\\3 + 2^1 = 3 + 2 = 5\\\\5 + 2^2 = 5 + 4 = 9\\\\9 + 2^3 = 9 + 8 = 17\\\\17 + 2^4 = 17 + 16 = 33

Thus the sequence is increasing by 2 raised to power 0, 1, 2 and so on

<em><u>Thus the next three terms are found by:</u></em>

33 + 2^5 =33 + 32= 65\\\\65 + 2^6 = 65 + 64 = 129\\\\129 + 2^7 = 129 + 128 = 257

Thus the next three terms of sequence are 65, 129 and 257

3 0
2 years ago
Find the mean of the following data set.<br> 42, 45, 58, 63<br> 42<br> 47<br> 52
igomit [66]
52 i believe.

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3 years ago
I know this is stupid but im lazy. <br> What four numbers equal 50.
Dennis_Churaev [7]
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