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Recursos para tareas escolares en Filipinas

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Preguntas

Philippines
arignment following Denive the for 1) \( \Delta x(10) \) 2) \( \Delta_{x}(5 x) \) 3) \( \Delta_{x}\left(10 x^{4}\right) \) 4) \( \Delta x\left(4 x^{3}+2 x^{2}+3 x+5\right) \) 5) \( D_{x}\left(10 x^{5}+4 x^{4}+2 x^{3}+4 x^{2}+10 x\right. \)
Cálculo Jan 22, 2025
Make me SIMPLE DIRECTION: Write each radical in simplest form. \( \begin{array}{lll}\text { 1. } \sqrt{\frac{9}{16}} & \text { 4. } \frac{2}{\sqrt{2}} \\ \text { 2. } \frac{\sqrt{25}}{\sqrt{100}} & \text { 5. } & -\frac{1}{3 \sqrt{2}} \\ \text { 3. } & -\sqrt{\frac{4}{5}}\end{array} \)
Preálgebra Jan 22, 2025
FOLLOW THE INSTRUCTION. Perform as indicated. A. Simplify each radical. B. Simplify. 1. \( \sqrt{x^{5}} \) 1. \( \frac{1}{\sqrt{25}} \) 2. \( \sqrt[3]{b^{7}} \) 2. \( \sqrt{\frac{1}{49}} \) 3. \( \sqrt[2]{45 x^{3} y^{8}} \) C. Simplify by rationalizing the denominator. 3. \( \sqrt{\frac{5}{4}} \) \[ \begin{array}{l} 1 \cdot \sqrt{\frac{2 x}{y}}^{-} \\ 2-\frac{1}{\sqrt{3 a b}} \\ 3-\frac{3 \sqrt{3}}{\sqrt{6 m 2}} \end{array} \]
Preálgebra Jan 22, 2025
4) The heights of plants of type A have mean 1.2 m and standard deviation 0.03 m . A random sample of 5 plants of type \( A \) is selected. The sum of the heights of these 5 plants is denoted by \( H_{A} \mathrm{~m} \). a) Find the mean and variance of \( \mathrm{H}_{A} \). [3] The heights of plants of type B have mean 0.6 m and standard deviation 0.02 m . A random sample of 5 plants of type \( B \) is selected. The sum of the heights of these 5 plants is denoted by \( H_{B} m \). b) Find the mean and variance of \( H_{A}-2 \mathrm{H}_{B} \). [4]
Estadísticas Jan 22, 2025
Let \( f(x)=\frac{3}{4} x+10 \) \( \quad g(x)=x^{2}-3 \) (8) at is the value of \( f(-2-g(3)) \) ?
Álgebra Jan 22, 2025
3) The masses, in kilograms, of cartons of sugar and cartons of flour have the distributions \( N\left(78.8,12.6^{2}\right) \) and \( N\left(62.0,10.0^{2}\right) \) respectively. a) The standard load for a certain crane is 8 cartons of sugar and 3 cartons of flour. The maximum load that can be carried safely by the crane is 900 kg . Stating a necessary assumption, find the percentage of standard loads that will exceed the maximum safe load. [5]
Estadísticas Jan 22, 2025
2) The masses, in grams, of large bags of sugar and small bags of sugar are denoted by \( X \) and \( Y \) respectively, where \( X \sim N\left(5.1,0.2^{2}\right) \) and \( Y \sim N\left(2.5,0.12^{2}\right) \). Find the probability that the mass of a randomly chosen large bag is less than twice the mass of a randomly chosen small bag. [5] 3) The masses, in kilograms, of cartons of sugar and cartons of flour have the distributions N(78.8, \( \left.12.6^{2}\right) \) and \( N\left(62.0,10.0^{2}\right) \) respectively. a) The standard load for a certain crane is 8 cartons of sugar and 3 cartons of flour. The maximum load that can be carried safely by the crane is 900 kg. Stating a necessary assumption, find the percentage of standard loads that will exceed the maximum safe load. [5]
Estadísticas Jan 22, 2025
1) A fair six-sided die is thrown 20 times and the number of sixes, \( X \), fair six-sided die is thrown 20 times and the number of odd-numbered scores, \( Y \), is recorded. Find the mean and standard deviation of \( X+Y \). [5] and \( Y \) respectively, where \( X \sim N\left(5.1,0.2^{2}\right) \) and \( Y \sim N\left(2.5\right. \), \( \left.0.12^{2}\right) \). Find the probability that 2) The masses, in grams, of large bags of sugar and small bags of sugar are denoted by \( X \) the mass of a randomly chosen large bag is less than twice the mass of a randomly chosen small bag. [5]
Estadísticas Jan 22, 2025
*The Quarterly Examination has ten True- False questions. How many different choices for answering the ten questions are possible? QUIZ \#1
Probability Jan 22, 2025
Math WithMyBestMate 2 The pulse rates of adult men approach a normal distribution with a mean of 80 bpm (beats per minute) with standard deviation of 7 bpm . a) What percent of the adults have pulse rate less than 70 bpm ? b) If 60 bpm to 100 bpm is known to be normal, how many percent of adults have pulse rates that lies on these area?
Estadísticas Jan 22, 2025
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