Mikey had 104 nickels and 88 dimes she wants to divide the coins into group of each group will have the same number of nickels i
1 answer:
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Answer:
Step-by-step explanation:
we have
we know that
The sum of a quadratic equation and a linear equation will be a quadratic equation
so
Combine like terms
Answer:
D
Step-by-step explanation:
Using the addition formula for sine
sin(a + b) = sinacosb + cosasinb
and the exact values
sin( ) = cos(
) =
, cos(
) =
, sin(
) =
Note that =
+
, thus
sin()
= sin( +
)
= sin()cos(
) + cos(
)sin(
)
= ( ×
) + (
×
)
= +
= → D