You need to mix 42 kilograms of mortar. each kilogram of mortar mix requires 0.03 liters of water. how many liters of water do you need?

1.26 liters of water.

Step-by-step explanation:

One kilogram of mortar mix requires the amount of water = 0.03 liters

You need to mix 42 kilograms of mortar.

Therefore, 42 kilograms of mortar requires the amount of water

= 42 × 0.03

= 1.26 liters

You need 1.26 liters of water to mix 42 kilograms of mortar.

the answer is b: 18

step-by-step explanation:

use the pythagorean theorem to .

a^2+b^2=c^2

plug 18 for "r"

the 2 legs are 18 and 24

18^2+24^2=c^2

324+576=c^2

900=c^2

c=30

30-12=18

18 is the radius

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