This follows directly from the double angle identity for cosine and the Pythagorean identity:
So we have
Which of the following represents "a number less ten is twenty-two"?
1 answer:
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32 doughnuts can be bought with $16.
Step-by-step explanation:
One dozen doughnuts = $6.00
One dozen = 12
$6.00 = 12 doughnuts
$1.00 =
Therefore, 2 doughnuts can be bought for $1.
For $16 dollars;
No. of doughnuts = Amount * Doughnuts per dollar
32 doughnuts can be bought with $16.
Keywords: division, multiplication
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Answer:
C and D
Step-by-step explanation:
The equation of a line in point- slope form is
y - b = m(x - a)
where m is the slope and (a, b) a point on the line
Calculate m using the slope formula
m =
with (x₁, y₁ ) = (- 3, - 6) and (x₂, y₂ ) = (9, 3) ← 2 points on the line
m = =
=
Using (a, b ) = (9, 3 ) , then
y - 3 = (x - 9) → C
Using (a, b ) = (- 3, - 6 ), then
y - (- 6) = (x - (- 3) ) , that is
y + 6 = (x + 3) → D