A proportion is two ratios equivalent to each other
Answer:
bottom diagram
15 green
Step-by-step explanation:
5 green for every 2 blue
The bottom diagram matches that situation
5 green 10 green 15 green
2 blue 4 blue 6 blue
----- --------- ----------
3 diff 6 diff 9 diff
When she paints 15 green and 6 blue she has painted 9 more green than blue
F(x) = 4x³ + 3x - 2
Since there no constraint whatsoever, the domain of f(x) is all x∈ R
Or x| x= ( -∞≤ x ≤ +∞)
Answer:
x=-2, y=-9/2. (-2, -9/2).
Step-by-step explanation:
x=2y+7
3x-2y=3
--------------
3(2y+7)-2y=3
6y+21-2y=3
6y-2y+21=3
4y+21=3
4y=3-21
4y=-18
y=-18/4
simplify
y=-9/2
x=2(-9/2)+7
x=-9+7
x=-2
Answer:
Option (E) 648
Step-by-step explanation:
the 3 digit number can be represented by the blanks as " _ _ _ "
Now,
we have 10 choices ( i.e 0,1,2,3,4,5,6,7,8,9) available for each place in the blank if no condition is applied.
For the hundreds digit, using the conditions given in the question, we have 8 choices left
as 1 and 0 cannot be included in the hundreds place.
for the tens place
we will have 9 choices left out of 10 ( as 1 choice is less because we cannot have same number as on the hundred place )
similarly, for the ones place we have 9 choices left out of 10 ( as 1 choice is less because we cannot have same number as on the tens place )
Therefore,
Total possibilities = 8 × 9 × 9 = 648
Hence,
Option (E) 648
