Mrs lee cooks 2 meals a day for her family. For each meal she cooks, she use 3 out of 4 of a cup of rice. Each cup of rice has a mass of 120 g. How much rice does she cook in a week?​

Step-by-step explanation:

3/4 cup of rice x 2 meals = 1.5 cups of rice or 180 g of rice cooded every day.

7 days in a a week so multiply by 7:

1.5 cups x 7 = 10.5 cups of rice every week

180 g x 7 = 1,260 g of rice every week

70,000 + 6,000 + 800 + 30

step-by-step explanation:

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.