Answer:
The answer to your question is ∠Z = 119°
Step-by-step explanation:
Data
∠W = 41°
∠Y = 81°
∠Z = ∠X = ?
Process
To solve this problem use the law that states that the sum of the internal angles in a quadrangle equals 360°.
1)
∠W + ∠Y∠ + ∠X + ∠Z = 360°
2.- Simplify
∠W + ∠Y + 2∠Z = 360
3.- Substitution
41° + 81° + 2∠Z = 360
4.- Solve for Z
2∠Z = 360 - 41 - 81
2∠Z = 238
∠Z = 238/2
∠Z = 119°
Answer:
It cannot be answered if we don't figure out what x means. IF we knew what X is we can multiply 6 by x and then add 7.
an example would be if x was 3. we could figure out the answer by just doing (6*3)+7=25
Answer:
4 sq. units
Step-by-step explanation:
Because the vertices of S₂ are the midpoints of S₁, the area of S₂ will be half of that of S₁ which is 16 / 2 = 8. Similarly, because the same process is carried out on S₂ to make S₃, the area of S₃ is 8 / 2 = 4 sq. units.
Answer:
The total cost is 1.25 dollars.
Step-by-step explanation:
The reaction between HCl and CaCO₃ is giving by:
2HCl(aq) + CaCO₃(s) → CaCl₂(aq) + CO₂(g) + H₂O(l) (1)
0.500L M: 100.01g/mol
0.400M
According to equation (1), 2 moles of HCl react with 1 mol of CaCO₃, so to neutralize HCl, we need the next amount of CaCO₃:
The CaCO₃ mass of each tablet is:
Hence, the number of tablets that we need to neutralize the HCl is:
Finally, if every 80 tablets costs 4.00 dollars, 25 tablets will cost:
<u>So, the total cost to neutralize the HCl is 1.25 dollars.</u>
I hope it helps you!
Answer:
4th option
Step-by-step explanation:
The term that combines with 3x²y , must have variables x²y
The only other term with x²y is 8x²y
