Answer:
5
Step-by-step explanation:
f(x)=3x-1
f(2)=3×2-1
f(2)=6-1
f(2)=5
It is similar to an expresion just break it down x*2 is 5 nothing that is a whole number will complete this equation so the answer is 2.5
Answer:
6. angle D and B
7 angle D and A
8 mA=140 and mB=40
9 mC=140 and mD=40 because they are congruent
Answer: There are 3 strips that can be cut from the roll of ribbon.
Step-by-step explanation:
since we have given that
Length of a ribbon is given by
Length of pieces of ribbon cut into strips is given by
So, we need to find the number of strips that can be cut is given by
Hence, there are 3 strips that can be cut from the roll of ribbon.
Answer:
k pi for k = 0, plus-or-minus 2, plus-or-minus 4, ellipsis
Step-by-step explanation:
The cosine is a maximum when its argument is at multiples of 2π.
k pi for k = 0, plus-or-minus 2, plus-or-minus 4, ellipsis
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Both of us could probably read this more easily if you would use appropriate math symbols.