2 years ago

Opposites in math definition

1 answer:

8 0

Answer:

The opposite of a number is its additive inverse. The sum of a number and its opposite is zero. (This is sometimes called the property of opposites ). a+(−a)=0.

You might be interested in

A concrete pillar has the shape of a cylinder. It has a radius of 4 meters and a height of 9 meters. If concrete costs $87 per c

otez555 [7]

Answer:

28425.13

Step-by-step explanation:

Plug in the radius and height, and then multiply by 87.

Formula : A=2πrh+2πr2

6 0

2 years ago

Evaluate the following expression 4×[1+(19+26)÷9]

KatRina [158]

I think it is 24...Im not sure tho

4 0

3 years ago

Read 2 more answers

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

alisha [4.7K]

$\Delta=5^2-4\cdot1\cdot7=25-28=-3$

$\Delta$ so 0 solutions.

5 0

2 years ago

Read 2 more answers

What is the height of a trapezoid with an area of 99 in.2 whose bases are 6 in. and 12 in.?

vladimir1956 [14]

Answer:

trapezoid area = ((sum of the bases) ÷ 2) • height

trapezoid area = ((6 + 12) / 2) * height

trapezoid area = 18 / 2 * height

height = 99/9 = 11

Step-by-step explanation:

7 0

2 years ago

Select all that apply.

Marat540 [252]

Answer:

Step-by-step explanation:

36 = 6 x 6

16 = 4 x 4

25 = 5 x 5

All others are not square

6 0

2 years ago