Is (-2,8), (-1,5), (0,4), (1,5), and (2,8) a function?
1 answer:
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Answer:
m∠CFD is 70°
Step-by-step explanation:
In the rhombus
- Diagonals bisect the vertex angles
- Every two adjacent angles are supplementary (their sum 180°)
Let us solve the question
∵ CDEF is a rhombus
∵ ∠E and ∠F are adjacent angles
→ By using the second property above
∴ ∠E and ∠F are supplementary
∵ The sum of the measures of the supplementary angles is 180°
∴ m∠E + m∠F = 180°
∵ m∠E = 40°
∴ 40° + m∠F = 180°
→ Subtract 40 from both sides
∵ 40 - 40 + m∠F = 180 - 40
∴ m∠F = 140°
∵ FD is a diagonal of the rhombus
→ By using the first property above
∴ FD bisects ∠F
→ That means FD divides ∠F into 2 equal angles
∴ m∠CFD = m∠EFD = m∠F
∴ m∠CFD = (140°)
∴ m∠CFD = 70°
Answer:
Step-by-step explanation:
6+2=8
6*2=12
+
= 36+4=40
Answer:
And finally we can convert this into money like this:
So they spent every day approximately in total $ 4815291.6 dollars
Step-by-step explanation:
For this case we can convert the average power into Kw like this:
Now on average we know that one person use on average this power over 6.3 hours per day so then we have the following consumption rate:
And now we know the total population so then the total consumption per day would be:
And finally we can convert this into money like this:
So they spent every day approximately in total $ 4815291.6 dollars