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Mathematics Questions & Answers

Q:
It is appropriate to model nonlinear relationships using correlational analysis. (A) True (B) False
Q:
Determine \( \frac{d y}{d x} \) in each of the following cases: (Simplification NOT required) \( 2.1 .1 \quad y=\cot ^{4} \sqrt{\tan 3 x^{2}} \) 2.1 .2 \( y=\tan \left(\sqrt{\frac{1-e^{2 x}}{1+e^{2 x}}}\right) \)
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7. \( \left\{\begin{array}{l}y=3 x+8 \\ 2 y=6 x+16\end{array}\right. \)
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\( 7 \times 12=? \) Which shows a correct way to find the value of the number sentence? A. \( (7+10)+(7+2)=71+9=80 \) B. \( (7 \times 10)+(7 \times 2)=70+21=91 \) C. \( (7+10)+(7+2)=17+9=26 \) D. \( (7 \times 10)+(7 \times 2)=70+14=84 \)
Q:
\( \frac{d}{dx}(-\int _{x}^{\frac{\pi }{4}}f(t) d t\times \arctan (x)) \)
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(8) Express the formula \( P=2 l+2 w \) in terms of the length, \( l \). Use the new formula to find the length when the perimeter is 68 and the width is 13 . \[ =\frac{P-w}{} \cdot l=275 \]
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Exercice 1 ( 8 points) : On considère la fonction afrine \( f \) définic par \( f(x) \) points) Calculer les images de \( -2 ; 2 ; \frac{1}{2} \) et \( -\frac{7}{3} \) 2. ( 2 points) Calculer les antécédents de \( 0 ;-1 ;-5 ;-\frac{7}{3} \) 4. ( 1 point) Tracer la représentation graphique de \( f \) dans le repère ci-contre tableau de signe de \( f(x) \) 5. ( 1,5 points) On considère les points \( \mathrm{A}(-2 ; 10) \) et \( \mathrm{B}(4 ;-8 \) ). Déterminer la fonction affine dont la droite passe par les deux points-A et B.
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7. Convierta los siguientes enunciados en expresiones algebraicas. (a) La suma del triple de un número y cinco. (b) La diferencia entre el cuadrado de un número y el número mismo. (c) El producto de dos números consecutivos. (d) La mitad de la suma de un número con la mitad de otro número al cuadrado. (e) El cociente entre el cuadrado de la suma de un número y dos, y el triple del mismo número.
Q:
Rewrite without parentheses and simplify. \[ (5 v+6 u)^{2} \]
Q:
The bivariate hypothesis-testing procedure that is used when both the independent and dependent variables are continuous is A) Continuous hypothesis test (B) Pearson's correlation (C) Analysis of variance (D) continuous samples t-test
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