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Recursos para tareas sobre Egipto

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Preguntas

Egypt
A wire 50.0 m long and 2.00 mm in diameter is con- nected to a source with a potential difference of 9.11 V , and the current is found to be 36.0 A . Assume a tem- perature of \( 20.0^{\circ} \mathrm{C} \) and, using Table 27.2 , identify the metal out of which the wire is made.
Física Jan 20, 2025
Calculate \( 0 . \dot{2} \dot{3}+0 . \dot{2} \) Give your answer as a fraction in its lowest terms.
Preálgebra Jan 20, 2025
Answer the following questions First Choose the correct answer: 1) If \( 16, x, 2 \) and \( y \) are proportional quantities, then \( \frac{x}{y}=\ldots \) \( \begin{array}{llll}\text { a) } \frac{1}{8} & \text { b) } 32 & \text { c) } \frac{1}{32} & \text { d) } 8\end{array} \)
Álgebra Jan 20, 2025
The population of an island increases by \( 10 \% \) every decade. If there were \( 2,000,000 \) people on the island in 1950 , how many people were there on the island in 2010 ?
Aritmética Jan 20, 2025
A kitten increases weight at a rate of \( 3.4 \% \) each month. If the kitten weighs 2.3 kg in March, how much will it weigh after one year? Give your answer to 2 decimal places. Remember to include units.
Aritmética Jan 20, 2025
[14] Find the slope and the length of the intercepted part fromy-axis of the straight line whose equation is \( 3 y-2 x=6 \) Slope \( =\frac{2}{3} \) inTCeDTC \( =2 \)
Álgebra Jan 20, 2025
6) If \( A B C \) is a right-angled triangle at \( B \) and \( A B=B C \), then \( \sin C= \) \( \begin{array}{llll}\text { a) } \frac{\sqrt{3}}{2} & \text { b) } \frac{\sqrt{2}}{2} & \text { b) } \frac{-3}{4} & \text { c) } 1\end{array} \)
Trigonometría Jan 20, 2025
15) If \( a, b \) and \( c \) are in continued proportion, then prove that: \( \frac{a+b}{b+c}=\frac{a}{b} \)
Preálgebra Jan 20, 2025
1.1: The negation of \( (P \wedge(Q \rightarrow R)) \) is a) \( \neg(P \wedge Q) \rightarrow \neg R \) d) \( \neg P \vee Q \vee R \) b) \( \neg R \rightarrow(P \wedge Q) \) e) None of the above c) \( P \vee(Q \wedge \neg R) \) 1.2: The first four terms of an arithmetic sequence are \( 3,8,13 \), and 18 . What is the \( n \)th formula of the sequence for \( =0,1,2, \ldots \). a) \( a_{n}=5 n+3 \) d) \( a_{n}=5 n+2 \) b) \( a_{n}=5 n-2 \) e) None of the above c) \( a_{n}=5 n+8 \) 1.3: The binary representation of \( (9 A 3)_{16} \) is a) 100110100011 d) 111010100011 b) 110110100011 e) None of the above c) 100101110011 1.4: If \( a \equiv 5(\bmod 9) \), then a may equal to a) 16 d) 41 b). 22 e) None of the above c) 30 1.5: The incidence matrix for a graph with 5 vertices and 7 edges has \( \qquad \) rows and \( \qquad \) columns. a) 5 rows and 7 columns d) 7 rows and 7 columns b) 6 rows and 12 columns e) None of the above c) 5 rows and 5 columns Each question is worth 10 marks. Answer the following questions: Q-2: a) [5 marks] Construct the truth table of the statement: \( \neg(p \wedge q) \rightarrow(q \wedge \neg p) \). Determine whether the statement is a tautology. b) [2 marks] Consider the predicate \( P(x, y, z) \) consists of triples \( x, y, z \) where \( x= \) \( \{0,1\}, y=\{1,2\} \), and \( z=\{0,1\} \). Write out the proposition \( \forall x P(x, 1,1) \) using conjunctions and disjunctions. c) \( [2+1 \) marks] Let \( A=\{0,1,3,4\} \) and \( B=\{1,2,4\} \). Find i. \( (A \cap B) \times B \), ii. \( P(B) \).
Álgebra Jan 20, 2025
30 Find the equation of the straight line whose slope equals the slope of the straight \( \frac{y-1}{x}=\frac{1}{3} \) and intercepts a negative part of \( y \)-axis of 4 length units.
Álgebra Jan 20, 2025
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