Well u do 31.2 x 18 which is 561.6 then u divide by 2 because the formula for a triangle is base x height divided by 2 so It is 280.8
49.5
To figure this out you have to multiply the percent times the number but remember to change the percent when multiplying by moving the decimal two places to the right. There fore the equation would be .88•56.25=49.5
Answer:
-16x+14y-45z
Step-by-step explanation:
4x+4y-5(4x-2y+9z)
we apply the distributive property:
4x+4y-5*4x-5*(-2y)-5*9z
so we have:
4x+4y-20x+10y-45z
-16x+14y-45z
5%, 0.5, 5 from smallest to largest.