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Softa [21]
3 years ago
7

Aisha can use the expression 120 divided by 10 to determine the solution to which problem?

Mathematics
2 answers:
pentagon [3]3 years ago
8 0

Answer:

What is 10% of 120?

Step-by-step explanation:

120 / 10 = 12

10% of 120 = 12

We have a match.

Let's do the others, just to be sure it's the only one.

10% of 12 = 1.2

25% of 120 = 30

25% of 120 = 3

Olegator [25]3 years ago
8 0

Answer:

A on edge

Step-by-step explanation:

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How do I use the Descartes Rule of Signs to determine all possible number of positive and negative zeros?
larisa [96]

Answer:

We conclude that:

  • 2  or 0 positive real roots
  • 2  or 0 negative real roots

Step-by-step explanation:

Descartes Rule states that if the terms of a single-variable polynomial with real coefficients are ordered by descending variable exponent, then the number of positive roots of the polynomial is:

  • Either equal to the number of sign differences between consecutive nonzero coefficients,
  • Or is less than it by an even number.

Given the function

f\left(x\right)=x^4-2x^3-4x^2+2x+3

So, the coefficients are 1, −2, −4, 2, 3

As can be seen, there are 2 changes.

This means that there are 2 or 0 positive real roots.

To find the number of negative real roots, substitute x with -x in the given polynomial:

x^4-2x^3-4x^2+2x+3  becomes x^4+2x^3-4x^2-2x+3

The coefficients are 1, 2, −4, −2, 3

As can be seen, there are 2 changes.

This means that there are 2 or 0 negative real roots.

Therefore, we conclude that:

  • 2  or 0 positive real roots
  • 2  or 0 negative real roots

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2 years ago
Dylan got his math test back and saw a -12 1/2 points on the top of his math test. The grade was 100% because he earned extra cr
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In order to earn 100% he had to have at least 12 1/2 extra credit points.
4 0
3 years ago
What is​ logic? Briefly explain how logic can be useful.
Andreyy89

Logic is a deceptive argument. It is useful in marketing products and creating advertisements

I think because logic is idea used from brain.

8 0
3 years ago
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What is the answer to -6+(-4)
Nuetrik [128]
The answer to your question would be -10
5 0
3 years ago
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What’s the correct answer for this question?
Genrish500 [490]

Answer:

PO = 20

Step-by-step explanation:

They are equidistant from the centre

PG = GO

x-4=1/2x+3

Multiplying both sides by 2

2(x-4)=x+6

2x-8=x+6

2x-x = 6+8

x = 14

Now

PO = 14-4+7+3

PO = 10+10

PO = 20

7 0
3 years ago
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