3 years ago

The difference of a positive number and a negative number is always

Mathematics

1 answer:

Tcecarenko [31]3 years ago

8 0

Answer:

negative

Step-by-step explanation:

So a positive Integer has a negative and a vice versa. Notice that if the first number was negative in a difference between numbers with different signs, the answer will be negative. if the first number was positive, the answer will be positive.

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Karen is buying pens and pencils for the new school year. She wants to have no more than 25 writing utensils in all. She also wa

bezimeni [28]

For this case, the first thing we must do is define variables.
We have then:
x: number of pens
y: number of pencils
We now write the system of inequations:
$x + y \leq 25

y \geq (x - 3) ^ 2
$
The solution to the system of inequations is given by the shaded region.
Note: see attached image.