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alekssr [168]
3 years ago
5

What is the product?

Mathematics
1 answer:
kozerog [31]3 years ago
3 0

Answer:

[3  -12  15  -21].

Step-by-step explanation:

Each of the elements in the matrix is multiplied by 3.

3 * [ 1  -4  5 -7]

= [3  -12  15 -21].

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WILL GIVE BRAINLIEST
soldier1979 [14.2K]

Answer:

Range=65

Step-by-step explanation:

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3 years ago
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Anni [7]
So first calculate root of 3 which is 1.732
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7 0
4 years ago
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asambeis [7]

Answer:

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6 0
3 years ago
Show that p(x)=2x3−5x2−10x+5 has a real root.
FromTheMoon [43]
Let's pick an arbitrary value of 5.

P(5) = 2(5)^{3} - 5(5)^{2} - 10(5) + 5
= 2(125) - 125 - 50 + 5
= 250 - 125 - 50 + 5
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Let's pick another arbitrary value: 1

P(1) = 2 - 5 - 10 + 5
= -8 < 0

Between these two values, the polynomial is continuous. This means for the two polynomial points to be satisfied, there must be at least one root between these two points.

We can either use the Intermediate Value Theorem or Newton's method to make a better approximation from there.
6 0
4 years ago
The product of 3 and a number x is 2/3 .
FrozenT [24]
Rewritten 3x = 2/3

then x = (2/3)/3
therefore x = 0.22

So I don’t think any of them is right
7 0
4 years ago
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