Answer:
D
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y = x + 9 ← is in slope- intercept form
with y- intercept c = 9
then the line crosses the y- axis at (0, 9 )
Answer:
The diameter of the circle is 40 units
Step-by-step explanation:
Answer:
9 days
Step-by-step explanation:
Let x = days taken by C to do it alone
In one day, A can do: 1/12 (part of the whole work)
In one day, B can do: 1/18 (part of the whole work)
In one day, C can do: 1/x (part of the whole work)
In one day,together A, B and C can do: 1/4 (part of the whole work)
we have this equation:
1/x + 1/12 + 1/18 = 1/4
--> 1/x = 1/4 - 1/12 - 1/18 = 1/9
--> x = 9 (days)
Answer:
I took it and got this question anf got it correct! Hope i helped!
Step-by-step explanation:
- 8
Answer:
20 feet
Step-by-step explanation:
If a 6-foot tall man casts a 4.5-foot long shadow, the ratio of height to length is 6:4.5 or 4:3. Thus, since the flagpole shadow is 15 feet tall, we multiply by 4/3 to find the height to be 20 feet.