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3 years ago

6

One machine can make 138,800 small paper clips in one day.Another machine can make 84,250 large paper clips in one day.How many

more small paper clips than large paper clips are made by two machines in one day

2 answers:

ehidna [41]3 years ago

8 0

138800
-84250
_______
54550 (more)

Maurinko [17]3 years ago

7 0

The answer is 54,550

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Integer that describes debit of $40

Sladkaya [172]

Alright - we want to start off by seeing if this number would be positive or negative. Debit means that you owe something, or that you have to pay that amount of money. If you had money to buy things with, that would be positive, but since debit means you haven’t paid something off yet, that is negative. Next, since you have 40 dollars in debt, you have -40 dollars.

Feel free to ask further questions!

3 0

2 years ago

taurus [48]

Answer:

$x^2 - 2x + 10$ , option B

Step-by-step explanation:

Complex numbers:

The most important relation that involves complex numbers is given by:

$i^2 = -1$

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

$ax^{2} + bx + c, a\neq0$ .

This polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = a(x - x_{1})*(x - x_{2})$ , given by the following formulas:

$x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}$

$x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}$

$\bigtriangleup = b^{2} - 4ac$

In this question:

The solutions are:

$x_1 = 1 - 3i, x_2 = 1 + 3i$

We have to find the polynomial. All option have $a = 1$ . So

$(x - (1 - 3i))(x - (1 + 3i)) = x^2 - x(1 + 3i) - x(1 - 3i) + (1 - 3i)(1 + 3i) = x^2 - x -3ix - x + 3ix + 1^2 - (3i^2) = x^2 - 2x + 1 - 9i^2 = x^2 - 2x + 1 - 9(-1) = x^2 - 2x + 10$

The correct answer is given by option b.

6 0

3 years ago

What is the answer to 4(x-2+y) for an equivalent expression?

madreJ [45]

Answer:

4x+4y-8

hope this helps

3 0

2 years ago

The area beyond ± 2 standard deviations contains approximately what % of the area under the normal curve?

irakobra [83]

A. 99%
Enjoy the holidays :)

7 0

3 years ago

-2 x -2 x -2 = ? <br> (-2) cubed

Lunna [17]

Answer:

-8

Step-by-step explanation:

(-2)(-2)(-2)

4(-2)

-8

5 0

2 years ago