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Svetradugi [14.3K]
3 years ago
14

Why is the opposite of a negative number a positive number?

Mathematics
2 answers:
andreev551 [17]3 years ago
6 0
I don't really know how to explain but another example would be the opposite of multiplying is dividing.
madam [21]3 years ago
5 0
The opposite of a negative number is a positive number is because they are on opposite sides of the zero on a number line
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How do I solve 3x(4x-15)
inna [77]
3x(4x - 15) < Given
12x^2 - 45x < Distributive law of property

By the way, you are simplifying not solving. You solve equations and simplify expressions.

7 0
3 years ago
Why is graphing not always the best option for solving systems?
RideAnS [48]
1, Might not be precise 
2, Can be hard to plot the graphs
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3 0
3 years ago
Read 2 more answers
What is the circumference of a circular swimming pool with a diameter of 6 ½ feet? (use 22 over 7 as pi)
trapecia [35]

Answer:

10.21 feet.

Step-by-step explanation:

circumference of circle with diameter d is given by \pi d

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_____________________________

given

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\thus, circumference of circle is calculated as following

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5 0
3 years ago
Solve for x . Leave your answer in the simplest form
Alisiya [41]

Hello!

Here we are given a composite shape, meaning that we can divide this shape up into ways that we are given formulas to solve for legs and such.

I can see here that this can be divided into a triangle and a rectangle using a horizontal line.

The leg lengths of this triangle would be 9, because it is congruent to the bottom side of the rectangle, and 7, because it is the left side minus the right side.

This would also make a right triangle, meaning we could solve for the hypotenuse utilizing the Pythagorean Theorem.

a^2+b^2=c^2

6^2+7^2=c^2

36+49=c^2

c^2=85

c=\sqrt{85}

Which is in simplest radical form.

Hope this helps!

3 0
3 years ago
Se lanza dos dado, ¿Cuál es la probabilidad de obtener 10 puntos?
LekaFEV [45]
3/36 o 1/12 <span>oportunidad</span>

3 0
3 years ago
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