Answer:
the answer is 40/4
Step-by-step explanation: 7 1/4 3/4 40/4
Let x and y be the numbers;
We have x + 2y = 9 and 2x + y = 21;
Then, x = 9 - 2y;
Finally, 2(9-2y) + y = 21 ;
18 - 4y + y = 21;
18 - 3y = 21;
-3y = 3;
y = - 1;
x = 9 - 2× (-1);
x = 9 + 2 ;
x = 11;
Answer:
3/2
Step-by-step explanation:
y = mx + b
-6 = -3/2(5/1) + b
-12/2 = -15/2 + b
b = 3/2
A is your answer
We can cross multiply using x/70=30%/100
Solving it we get:
100x=2100 (70 times 30)
x=21
So we get a, 21 as your answer.
I hope this helped!
it depends on what type of triangle is it a right triangle?
