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Hogar Banco de preguntas Matemáticas Aritmética Archive 2024 December 21

Arithmetic Questions from Dec 21,2024

Browse the Arithmetic Q&A Archive for Dec 21,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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A formula connecting density \( (d) \), mass \[ \begin{array}{c}(m) \text { and volume }(v) \text { is } \\ \qquad d=\frac{m}{v}\end{array} \] \( m=30.14 \mathrm{~g} \) after being truncated to 2 d.p. \( \begin{array}{c}v=3.78 \mathrm{~cm}^{3} \text { after being truncated to } \\ 2 \text { d.p. }\end{array} \) Calculate the lower and upper bounds of \( d \). Round your answers to 2 d.p. You decide chocolate chip cookies are perfect when there are 10 chips per 3 cookies. If you bake 15 cookies, how many chocolate chips do you need? 45 chocolate chips 50 chocolate chips 50 chocolate chips 15 chocolate chips Kelsey recently accepted a new job, which required her to move. As she researched homes on the market, she also investigated the quality of high schools in the area, since she had two teenagers. She was impressed to lesm that \( 85 \% \) of the 60 teachers at West Central High School have earned a mastar's degree. According to Kelsey's research, how many teachers at West Central High School have a Master's degree? 45 teachers 48 teachers 54 teachers The number 3.5 is a decimal and also a \( (n) \) rational number integer whole number Gerald spent \( \frac{7}{8} \) of an hour making customer service calls on Monday and \( \frac{1}{3} \) of an hour on Tuesday. How much longer did he spend on the phone on Monday than on Tuesday? Evaluate the expression: \( \frac{7}{8}-\frac{1}{3} \) \( \frac{13}{24} \) \( 1 \frac{1}{5} \) \( \frac{1}{6} \) 50102 - 6945 6 Mehmet, anne ve babası ile lokantaya gittiler. Hepsi önce çorba içtiler. Ardından köfte ve piyaz yediler. Çorba 8 TL, köfte 35 TL , piyaz ise 17 TL olduğuna göre kaç lira hesap ödemişlerdir? \( \begin{array}{lll}\text { (A) } 90 \mathrm{TL} & \text { (B) } 60 \mathrm{TL} & \text { (C) } 180 \mathrm{TL}\end{array} \) \( \frac{34}{23} 28 \) 4 Yukarıdaki çarpma işleminde çarpım hangi onluklar arasında yer alır? \( \begin{array}{lll}\text { A) } 900-910 & \text { (B) } 910-920 & \text { (C) } 920-93\end{array} \) 2. 125 sayısinin 4 katı, 150 sayısının 3 katından ne kadar fazladır? \( \begin{array}{llll}\text { (A) } 50 & \text { (B) } 100 & \text { (C) } 150\end{array} \) es 290 pag 417 \( \frac{1}{10}+\left(\frac{18}{45}+\frac{36}{48}-\frac{1}{1}\right) \pi \cdot \frac{4}{9}+\frac{2}{3} \cdot\left(\frac{5}{2}+\frac{7}{4}-\frac{2}{1}\right)-\frac{7}{5} \)
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