If f(x)=3x^2 +x-2, then f(-2)= *12 *-16 *8 *32 help!
1 answer:
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Answer:
first answer is correct
Step-by-step explanation:
Hello, we want to write 2 + 4 + 6 + ... + 20
for n = 1, 2n = 2*1 =2
for n = 2, 2n = 2*2=4
for n = 3, 2n=2*3=6
etc
so
thanks
Answer:
b = 7
Step-by-step explanation:
Since the triangle is right use the tangent ratio to solve for b
and the exact value
tan30° = , thus
tan30° = =
and
=
( cross- multiply )
b = 7