Eq. 1 .10x + .25y = 9.45
Eq. 2 x + y = 60 rewrite as x = 60 - y and substitute into equation 1.
.10(60 - y) + .25y = 9.45
6 - .1y + .25y = 9.45
6 + .15y = 9.45
.15y = 3.45
y = 23
60 - 23 = 37
23 quarters
37 dimes
23* .25 = 5.75
37 * .1 = 3.70
5.75 + 3.70 =9.45
Answer:
8 squares
Step-by-step explanation:
Count the squares- 5
then count the triangles- 6
2 triangles is one square- 3
add the triangles and squares
5+3=8
Answer:
256 i did it before
Step-by-step explanation:
Answer:
D: 6y+3+5y-2
Step-by-step explanation:
6y+3+5y-2 = 11y + 1
All the other expressions evaluate, after simplification to 11y+5
Answer:
308cm^3
Step-by-step explanation:
maths
