The answer is -12. R times -6 is -18 and -18 plus -6 is -12
Answer:
A. 1/3x + 1/2y <= 4
2x + y <= 12
x >= 0
y >= 0
Step-by-step explanation:
Answer:
I think it's 5(9)+20
Step-by-step explanation:
5(9+4) can be expanded to get 5(9)+5(4). And 5(4)=20
Answer:
3/5
Step-by-step explanation:
Step one:
given data
Amy saved 1/5
her brother 4/5
Required
How much more did her brother save
Step two:
let us subtract Amy's savings from her brother's
4/5-1/5
=4-1/5
=3/5
Answer:
The time required them working together to shovel the snow is T = 1.428 hours
Step-by-step explanation:
Given data
Time taken by first person to shovel the snow
= 2 hours
Time taken by second person to shovel the snow
= 5 hours
Time taken by both persons to shovel the snow

Put all the values in above equation we get

T = 1.428 hours
Therefore the time required them working together to shovel the snow is T = 1.428 hours