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Home Question Bank Math Archive 2025 January 23

Math Questions from Jan 23,2025

Browse the Math Q&A Archive for Jan 23,2025, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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Evaluate \( y=\left(\frac{1}{5}\right)^{x} \), when \( x=4 \) Practica Resuelve. (4) ccuănto es \( \frac{2}{3} \) de 9? \( \qquad \) (5) ¿Cuánto es \( \frac{3}{5} \) de 20? \( \qquad \) (6) Explica cómo hallaste la respuesta para el problema 5. \( \qquad \) \( \qquad \) 145 f. Twice a number increased by 16 Solve for \( v \) \( 57=v-90 \) \( v=\square \) e. A number squared decreased by 2 For a certain kind of plaster work, 1.9 cu yd of sand are needed for every 100 sq yd of surface. How much sand will be needed for 370 sq yd of surface? \( \square \) cu yd of sand will be needed for 370 sq yd of surface. (Simplify your answer.) Will and Hillary counted 298 sheets of paper in the recyele bin on Monday. They collected another 187 sheets on Tuesday. A teacher removed some sheets frem the bin for seratch paper in math class. Now, there are 449 sheets of paper left in the bin. How many sheets of seratch paper did the teacher remove from the bin? a. Draw a bar model to represent the story situation. \( 2 ( x + 4 - 5 = 3 ( x + 2 ) \) \( 1 x^{2} \) 의 계수가 1 인 어뗜 이차식을 수찬이는 상수항 을 잘뭇 보아 \( (x-3)(x+2) \) 로 인수분해하였고, 민즌이는 \( x \) 의 계수를 잘못 보아 \( (x-4)(x+5) \) 토 인수분해하였다. 처음 이차식을 바르게 인수 분헤하시오. 쿨이 [1탄과] 처음 이차식의 \( x \) 의 계수 구하기 \( (30 \%) \) [2달계] 처은 이차식의 상수항 구하기 \( (30 \%) \) [3안게] 처음 이차식을 바르게 인수분해하기 \( (40 \%) \) Will and Hillary courted 236 sheets of paper in the recycie bin on Mondey. They collectes another 1 157 sheets on Tuestivg. A teacher removed some sheets fram the bin for suratch paph in math chass. Now, there are 49 sheats of paper lieft in the Bin. How many sheets off scratch paper did the taacher remove firm the bim?
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