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CRYING EMOJI

Decrease 100kg by 12.5%

Step-by-step explanation:

Decrease 100kg by 12.5%

=100/12.5

=8

this is the ans

87.5

Step-by-step explanation:

100 - (12.5% × 100)

100 - 12.5% × 100

(1 - 12.5%) × 100

(100% - 12.5%) × 100

87.5% × 100

87.5 ÷ 100 × 100

87.5 × 100 ÷ 100

8,750 ÷ 100 = 87.5

18 units²

step-by-step explanation:

first let's find altitude bd using the distance formula

d = √((y₂ - y₁)² + (x₂ - x₁)²)

bd = √((0 - -3)² + (0 - 3)²)

bd = √18

given the placement of points a and c, we can denote that point d bisects segment ac.

we will call ac the base.

using the distance formula

ac = √((0 - 6)² + (-6 - 0)²)

ac = √72

knowing our base and our height, we can plug these into our triangle area formula

area = (b * h)/2

area = (√18 * √72) / 2

area = (√1296) / 2

area = 36 / 2

area = 18 units²