Answer:
y=-10
Step-by-step explanation:
y=-2(3)-4
y=-10
Your answer is 9.
Since you have
2(2)^2 you get 2(4) which is 8.
Then you have -3(2) which is -6.
Lastly you have the 7.
When you add it up you get.
9
Answer:
what is cos and sin ?
Step-by-step explanation:
Answer:
is the number of quarters and
is the number of dimes
Step-by-step explanation:
we know that


Let
x-----> the number of dimes
y------> the number of quarters
we know that
-----> equation A
----Isolate the variable y
-----> equation B
Substitute equation B in equation A
Find the value of y


therefore
is the number of quarters and
is the number of dimes