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3 years ago

. The larger number is 19 more than the smaller number. What are the numbers?

Mathematics

1 answer:

AnnyKZ [126]3 years ago

4 0

Answer:

x and x+19

Step-by-step explanation:

if this is not the right answer i think that you are leaving out the beginning part of the question

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Evaluate 5 - (1 + 2)2 A. -4 B. 20 C. 4 D.0 Help plz

Evgesh-ka [11]

Answer:

Step-by-step explanation:

5-(1+2)2

1+2=3

5-3×2

3×2=6

5-6= -1

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Which equations are related equations to x + 8 = 22?

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A company's total assets are $98,000 and total liabilities are $49,000. Find the current ratio.

kati45 [8]

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Here are two expressions whose product is a new expression, :

Vera_Pavlovna [14]

Answer:

1. Fill in the box with 1

2. Fill in the box with -2

Step-by-step explanation:

Expression:

$(-2x^3 + [\ ]x)(x^{[\ ]}+1.5) = A$

Solving (1): Fill in the box to make it a polynomial.

To make it a polynomial, we simply fill in the box with a positive integer (say 1)

Fill in the box with 1

$(-2x^3 + [1]x)(x^{[1]}+1.5) = A$

Remove the square brackets

$(-2x^3 + x)(x^1+1.5) = A$

$(-2x^3 + x)(x+1.5) = A$

Open bracket

$-2x^4 - 3x^3 + x^2 + 1.5x = A$

Reorder

$A = -2x^4 - 3x^3 + x^2 + 1.5x$

The above expression is a polynomial.

This will work for any positive integer filled in the box

Solving (2): Fill in the box to make it not a polynomial.

The powers of a polynomial are greater than or equal to 0.

So, when the boxes are filled with a negative integer (say -2), the expression will cease to be a polynomial

Fill in the box with -2

$(-2x^3 + [-2]x)(x^{[-2]}+1.5) = A$

Remove the square brackets

$(-2x^3 - 2x)(x^{-2}+1.5) = A$

Reorder

$A = (-2x^3 - 2x)(x^{-2}+1.5)$

Open brackets

$A = -2x-3x^3-2x^{-1}-3x$

Collect Like Terms

$A = -3x^3-2x-3x-2x^{-1}$

$A = -3x^3-5x-2x^{-1}$

Notice that the least power of x is -1.

Hence, this is not a polynomial.

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3 years ago