Recent questions tagged real

Find the common ratio of the geometric sequence $16,24,36,54, \ldots$ Then express each sequence in the form $a_{n}=a_{1} r^{n-1}$ and find the eighth term of the sequence.Find the common ratio of the geometric sequence $16,24,36,54, \ldots$ Then express each sequence in the form $a_{n}=a_{1} r^{n-1}$ and find the ei ...
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Find the common ratio of the geometric sequence $1,3,9,27, \ldots$ Then express each sequence in the form $a_{n}=a_{1} r^{n-1}$ and find the eighth term of the sequence.
Find the common ratio of the geometric sequence $1,3,9,27, \ldots$ Then express each sequence in the form $a_{n}=a_{1} r^{n-1}$ and find the eighth term of the sequence.Find the common ratio of the geometric sequence $1,3,9,27, \ldots$ Then express each sequence in the form $a_{n}=a_{1} r^{n-1}$ and find the eight ...
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The complex number $i^{19}$ is equal to
The complex number $i^{19}$ is equal toThe complex number $i^{19}$ is equal to &nbsp; A) 1 B) $-1$ C) i D) $-i$ E) none of the above ...
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The complex number $\frac{1-2 i}{1+2 i}$ is equal to
The complex number $\frac{1-2 i}{1+2 i}$ is equal toThe complex number $\dfrac{1-2 i}{1+2 i}$ is equal to &nbsp; A) $\dfrac{3}{5}+\dfrac{4}{5} i$ B) $-\dfrac{3}{5}+\dfrac{4}{5} i$ C) \$\dfrac{3}{5}-\ ...
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Solve the equation $$z^{3}+8 i=0$$
Solve the equation $$z^{3}+8 i=0$$Solve the equation $$z^{3}+8 i=0$$ ...
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What is a control variable?
What is a control variable?What is a control variable? ...
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Prove that $A \cup \emptyset=A$
Prove that $A \cup \emptyset=A$Prove that $A \cup \emptyset=A$ ...
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Prove that $A \cup(B \cup C)=(A \cup B) \cup C$, (associative law)
Prove that $A \cup(B \cup C)=(A \cup B) \cup C$, (associative law)Prove that $A \cup(B \cup C)=(A \cup B) \cup C$, (associative law) ...
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Prove that $A \cup A=A$
Prove that $A \cup A=A$Prove that $A \cup A=A$ ...
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How can we represent the intervals on the real number line using set notation?
How can we represent the intervals on the real number line using set notation?How can we represent the intervals on the real number line using set notation? ...
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Let $A=\{1,2,3,4\}$ and $B=\left\{x: x \in \mathbb{N}, x^{2}<17\right\}$, where $\mathbb{N}$ is the set of natural numbers. Show that $A=B$.
Let $A=\{1,2,3,4\}$ and $B=\left\{x: x \in \mathbb{N}, x^{2}<17\right\}$, where $\mathbb{N}$ is the set of natural numbers. Show that $A=B$.Let $A=\{1,2,3,4\}$ and $B=\left\{x: x \in \mathbb{N}, x^{2}&lt;17\right\}$, where $\mathbb{N}$ is the set of natural numbers. Show that $A=B$ ...
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Proof: $\forall x \in \mathbb{Z}, 0 \times x=x \times 0=0$
Proof: $\forall x \in \mathbb{Z}, 0 \times x=x \times 0=0$Proof: $\forall x \in \mathbb{Z}, 0 \times x=x \times 0=0$ ...
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Proof: Let $x, y, z \in \mathbb{Z} .$ If $x+y=x+z$, then $y=z$.
Proof: Let $x, y, z \in \mathbb{Z} .$ If $x+y=x+z$, then $y=z$.Proof: Let $x, y, z \in \mathbb{Z} .$ If $x+y=x+z$, then $y=z$. ...
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Proof: Let $n \in \mathbb{N}, n>1$. Suppose that $n$ is not prime $\Longrightarrow 2^{n}-1$ is not a prime.
Proof: Let $n \in \mathbb{N}, n>1$. Suppose that $n$ is not prime $\Longrightarrow 2^{n}-1$ is not a prime.What is the proof of this theorem? Let $n \in \mathbb{N}, n&gt;1$. Suppose that $n$ is not prime $\Longrightarrow 2^{n}-1$ is not a prime. ...
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What is range in statistics?
What is range in statistics?What is range in statistics? ...
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Solve the proportion $\dfrac{5}{3}=\dfrac{x}{6}$ for the unknown value $x$.
Solve the proportion $\dfrac{5}{3}=\dfrac{x}{6}$ for the unknown value $x$.Solve the proportion $\dfrac{5}{3}=\dfrac{x}{6}$ for the unknown value $x$. ...
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What is a random variable in statistics?
What is a random variable in statistics?What is a random variable in statistics? ...
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If $X$ and $Y$ are independent random variables, then $\operatorname{Var}(X+Y)=\operatorname{Var}(X)+\operatorname{Var}(Y)$
If $X$ and $Y$ are independent random variables, then $\operatorname{Var}(X+Y)=\operatorname{Var}(X)+\operatorname{Var}(Y)$If $X$ and $Y$ are independent random variables, then \ \operatorname{Var}(X+Y)=\operatorname{Var}(X)+\operatorname{Var}(Y) \ ...
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Prove that if $X$ is a random variable with mean $E X$ and $c \in$ is $a$ real number, then $\operatorname{Var}(X)=E\left(X^{2}\right)-E(X)$
Prove that if $X$ is a random variable with mean $E X$ and $c \in$ is $a$ real number, then $\operatorname{Var}(X)=E\left(X^{2}\right)-E(X)$Prove that if $X$ is a random variable with mean $E X$ and $c \in$ is $a$ real number, then $\operatorname{Var}(X)=E\left(X^{2}\right)-E(X)$ ...
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Prove that if $X$ is a random variable with mean $E X$ and $c \in$ is $a$ real number, then $\operatorname{Var}(c X)=c^{2} \operatorname{Var}(X)$
Prove that if $X$ is a random variable with mean $E X$ and $c \in$ is $a$ real number, then $\operatorname{Var}(c X)=c^{2} \operatorname{Var}(X)$Prove that if $X$ is a random variable with mean $E X$ and $c \in$ is $a$ real number, then $\operatorname{Var}(c X)=c^{2} \operatorname{Var} ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Prove that if \(X$ is a random variable with mean $E X$ and $c \in$ is $a$ real number, then $\operatorname{Var}(X) \geq 0$.
Prove that if $X$ is a random variable with mean $E X$ and $c \in$ is $a$ real number, then $\operatorname{Var}(X) \geq 0$.Prove that if $X$ is a random variable with mean $E X$ and $c \in$ is $a$ real number, then $\operatorname{Var}(X) \geq 0$. ...
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What is the name of the temperature at which water boils
What is the name of the temperature at which water boilsWhat is the name of the temperature at which water boils ...
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What is likely to happen to real gross domestic product as a result of the relationship between spending and output?
What is likely to happen to real gross domestic product as a result of the relationship between spending and output?What is likely to happen to real gross domestic product as a result of the relationship between spending and output? ...
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Show that $x^{2}-6 x+11>0$ for all real values of $x$.
Show that $x^{2}-6 x+11>0$ for all real values of $x$.Show that $x^{2}-6 x+11&gt;0$ for all real values of $x$. ...
The real risk-free rate of return (RRFR) is $3 \%$ and the expected rate of inflation (EI) is $4.5 \%$. The nominal risk-free rate of return (NRFR) is equal to:
The real risk-free rate of return (RRFR) is $3 \%$ and the expected rate of inflation (EI) is $4.5 \%$. The nominal risk-free rate of return (NRFR) is equal to:The real risk-free rate of return (RRFR) is $3 \%$ and the expected rate of inflation (EI) is $4.5 \%$. The nominal risk-free rate of return (NRFR ...