Answer:
i think you had written the formula wrongly
so if it was -30x not -30
Step-by-step explanation:
x intercept when y=0
-30x = 15
x= -0.5
y intercept when x=0
5y= 15
y=3
- if this is the one you want
-30 +5y=15
5y =45
y=9
and there not x intercept { }
Answer: 200 Meters after 10 minutes.
Step-by-step explanation:
To find the answer you must multiply 20 for every minute.
Hope this helped :D
Answer:
1:4
Step-by-step explanation:
There are only two colours available, red and green. We know that there are 11 red marbles and 55 marbles altogether, so the number of green marbles must be 55 - 11, or 44. That means that the ratio of red to green marbles is 11:44, or 1:4.
Answer:
x = 69
Step-by-step explanation:
Given
35 + x + 76 = 180, that is
x + 111 = 180 ( subtract 111 from both sides )
x = 69