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AlgebraQuestion and Answers: Page 91

Question Number 185315 Answers: 2 Comments: 0

Solve the equation: x! = x^2 − 3x + 20

$$\mathrm{Solve}\:\mathrm{the}\:\mathrm{equation}: \\ $$$$\mathrm{x}!\:=\:\mathrm{x}^{\mathrm{2}} \:−\:\mathrm{3x}\:+\:\mathrm{20} \\ $$

Question Number 185310 Answers: 1 Comments: 1

Question Number 185239 Answers: 0 Comments: 3

Question Number 185222 Answers: 2 Comments: 0

A ball falls from a height of 10m and lands on the ground 75% of each time it falls, it gets up again; of the What is the total distance traveled by the ball? (a) 35m b) 40m c) 70m d) 75m

$$ \\ $$A ball falls from a height of 10m and lands on the ground 75% of each time it falls, it gets up again; of the What is the total distance traveled by the ball? (a) 35m b) 40m c) 70m d) 75m

Question Number 185210 Answers: 3 Comments: 2

x=((x^2 +1)/(α+1)) x=?

$${x}=\frac{{x}^{\mathrm{2}} +\mathrm{1}}{\alpha+\mathrm{1}}\:\:\:\:\:\:\:\:\:\:{x}=? \\ $$

Question Number 185206 Answers: 0 Comments: 1

Question Number 185204 Answers: 1 Comments: 1

1+(1/(2+(1/(3+(1/(4+(1/⋱)))))))=???

$$\mathrm{1}+\frac{\mathrm{1}}{\mathrm{2}+\frac{\mathrm{1}}{\mathrm{3}+\frac{\mathrm{1}}{\mathrm{4}+\frac{\mathrm{1}}{\ddots}}}}=??? \\ $$

Question Number 185198 Answers: 0 Comments: 2

Question Number 185192 Answers: 0 Comments: 2

Question Number 185191 Answers: 1 Comments: 0

y = sin (1/x) ⇒ y^′ = ?

$$\mathrm{y}\:=\:\mathrm{sin}\:\frac{\mathrm{1}}{\mathrm{x}}\:\:\Rightarrow\:\:\mathrm{y}^{'} \:=\:? \\ $$

Question Number 185164 Answers: 0 Comments: 0

Question Number 185163 Answers: 0 Comments: 0

Question Number 185151 Answers: 1 Comments: 0

Question Number 185143 Answers: 0 Comments: 0

Question Number 185136 Answers: 0 Comments: 0

Question Number 185137 Answers: 2 Comments: 0

Question Number 185153 Answers: 0 Comments: 0

Question Number 185126 Answers: 0 Comments: 0

(∣y∣−∣x∣−2,8)(∣x∣−∣y∣−1,8) = 0 ∣y∣ = a ∣x∣ + a ∣∣x∣ − 1,1∣ + 5 At what value of a does the equation have 4 roots?

$$\left(\mid\mathrm{y}\mid−\mid\mathrm{x}\mid−\mathrm{2},\mathrm{8}\right)\left(\mid\mathrm{x}\mid−\mid\mathrm{y}\mid−\mathrm{1},\mathrm{8}\right)\:=\:\mathrm{0} \\ $$$$\mid\mathrm{y}\mid\:=\:\mathrm{a}\:\mid\mathrm{x}\mid\:+\:\mathrm{a}\:\mid\mid\mathrm{x}\mid\:−\:\mathrm{1},\mathrm{1}\mid\:+\:\mathrm{5} \\ $$$$\mathrm{At}\:\mathrm{what}\:\mathrm{value}\:\mathrm{of}\:\:\boldsymbol{\mathrm{a}}\:\:\mathrm{does}\:\mathrm{the}\:\mathrm{equation} \\ $$$$\mathrm{have}\:\:\mathrm{4}\:\:\mathrm{roots}? \\ $$

Question Number 185127 Answers: 0 Comments: 3

{ (((√(x^2 − (5/9) + (√(y + x^2 − (5/9))))) = y)),(((√(y^2 − (4/9) + (√(x + y^2 − (4/9))))) = x)) :} Find: x , y = ?

$$\begin{cases}{\sqrt{\mathrm{x}^{\mathrm{2}} \:−\:\frac{\mathrm{5}}{\mathrm{9}}\:+\:\sqrt{\mathrm{y}\:+\:\mathrm{x}^{\mathrm{2}} \:−\:\frac{\mathrm{5}}{\mathrm{9}}}}\:=\:\mathrm{y}}\\{\sqrt{\mathrm{y}^{\mathrm{2}} \:−\:\frac{\mathrm{4}}{\mathrm{9}}\:+\:\sqrt{\mathrm{x}\:+\:\mathrm{y}^{\mathrm{2}} \:−\:\frac{\mathrm{4}}{\mathrm{9}}}}\:=\:\mathrm{x}}\end{cases} \\ $$$$\mathrm{Find}:\:\:\:\mathrm{x}\:,\:\mathrm{y}\:=\:? \\ $$

Question Number 185128 Answers: 1 Comments: 0

Question Number 185122 Answers: 0 Comments: 2

{ (((√(x^2 − (5/9) + (√(y + x^2 − (4/9))))) = y)),(((√(y^2 − (4/9) + (√(x + y^2 − (4/9))))) = x)) :} find: x , y = ?

$$\begin{cases}{\sqrt{\mathrm{x}^{\mathrm{2}} \:−\:\frac{\mathrm{5}}{\mathrm{9}}\:+\:\sqrt{\mathrm{y}\:+\:\mathrm{x}^{\mathrm{2}} \:−\:\frac{\mathrm{4}}{\mathrm{9}}}}\:=\:\mathrm{y}}\\{\sqrt{\mathrm{y}^{\mathrm{2}} \:−\:\frac{\mathrm{4}}{\mathrm{9}}\:+\:\sqrt{\mathrm{x}\:+\:\mathrm{y}^{\mathrm{2}} \:−\:\frac{\mathrm{4}}{\mathrm{9}}}}\:=\:\mathrm{x}}\end{cases} \\ $$$$\mathrm{find}:\:\:\:\mathrm{x}\:,\:\mathrm{y}\:=\:? \\ $$

Question Number 185109 Answers: 0 Comments: 0

Question Number 185076 Answers: 2 Comments: 0

x^(2x^6 ) =3 x=?

$${x}^{\mathrm{2}{x}^{\mathrm{6}} } =\mathrm{3} \\ $$$${x}=? \\ $$

Question Number 185054 Answers: 1 Comments: 0

If , f(x)= (x/(⌊ x ⌋)) ⇒ D_( f) =?(domain) and R_( f ) = ? (range )

$$ \\ $$$$\:\:\mathrm{I}{f}\:,\:\:\:{f}\left({x}\right)=\:\frac{{x}}{\lfloor\:{x}\:\rfloor}\:\:\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\Rightarrow\:\:\:\mathrm{D}_{\:{f}} \:=?\left({domain}\right)\:\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:{and}\:\:\:\:\:\:\:\:\:\:\mathrm{R}_{\:{f}\:} =\:?\:\left({range}\:\right) \\ $$

Question Number 185013 Answers: 4 Comments: 3

Question Number 184980 Answers: 2 Comments: 0

(√7) + (√6) = a (√7) − (√6) = ?

$$\sqrt{\mathrm{7}}\:\:+\:\:\sqrt{\mathrm{6}}\:\:=\:\:\mathrm{a} \\ $$$$\sqrt{\mathrm{7}}\:−\:\sqrt{\mathrm{6}}\:=\:? \\ $$

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