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guajiro [1.7K]
3 years ago
11

How to add and subtract positive and negative numbers?

Mathematics
1 answer:
mina [271]3 years ago
4 0
Negative and negative equals a positive and positive and a negative equals a negative and then positive and positive equals positive hopefully that helped

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A = {1, 2, 3, 4} B = {3, 4, 6, 8} C = {5, 6, 7} A∪B∩C=
Nonamiya [84]

Answer:

1 2 3 4 5 6 7 8 A

Step-by-step explanation:

5 0
3 years ago
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Is the number -<img src="https://tex.z-dn.net/?f=%5Cfrac%7B13%7D%7B1%7D" id="TexFormula1" title="\frac{13}{1}" alt="\frac{13}{1}
Alenkasestr [34]

Answer:

13/1 = 13 is the only number integer that divides into it, but all numbers that can be fractions are rational numbers, whether decimal or prime they all can be rational.

Step-by-step explanation:

4 0
3 years ago
How do i do this? Its confusing
cestrela7 [59]

Answer:

$12,415.48

Step-by-step explanation:

A = P (1 + r/n)^(nt)

where A is the final amount,

P is the initial amount,

r is the annual interest rate as a decimal,

n is the number of compoundings per year,

and t is the number of years.

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A = 8000 (1.076)^6

A = 12415.48

5 0
3 years ago
Prove that the product of any two consecutive natural numbers is even.
Vitek1552 [10]

Answer with Step-by-step explanation:

Let us assume the 2 consecutive natural numbers are 'n' and 'n+1'

Thus the product of the 2 numbers is given by

Product=n(n+1)\\\\

We know that the sum of 'n' consecutive natural numbers starting from 1 is

S_n=\frac{n(n+1)}{2}\\\\\therefore n(n+1)=2\times S_n............(i)

Thus from equation 'i' we can write

Product=2\times S_n

As we know that any number multiplied by 2 is even thus we conclude that the product of 2 consecutive numbers is even.

6 0
3 years ago
What is the width of a box when the length is x+2, the height is x+8, and the volume is x^3+9x^2+6x-16?
Nostrana [21]

(x+2)(x+8) = x^2 +10x +16

(x^2 + 10x + 16)(x-1) = x^3+9x^2+6x-16, so the other dimension is x-1

8 0
3 years ago
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