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Hogar Banco de preguntas Matemáticas Archive 2024 December 04

Math Questions from Dec 04,2024

Browse the Math Q&A Archive for Dec 04,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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HW \#12: Percents (Multi-Step Percent Problems Day 2) Question 1: Molly wants to buy a skirt. The original price is \$29. The skirt is on sale for \( 30 \% \) off. When she goes to pay for it the cashier tells her she can have an additional 20\% discount off the sale price. Not counting the sales tex, How much will Molly pay for the skdrt? A corporation gave a university \( \$ 320,000 \) to support product safety research. The university deposited some of the money in a \( 11 \% \) simple interest account and the remainder in an \( 9.1 \% \) simple interest account. How much should be deposited in each account so that the annual interest earned is \( \$ 33,300 \) ? \( 11 \% \) \( 9.1 \% \) 2rrange the three numbers hown from least to greatest. \[ \frac{2}{5}, \frac{6}{10}, \frac{2}{9} \] \( \left(\begin{array}{cccc}2 & 3 & 5 & 6 \\ 4 & 2 & -1 & 3 \\ 7 & 6 & 9 & 8 \\ 1 & 2 & -3 & 5\end{array}\right) \) inverso por gauss - Jor Teresa needs to cut a triangular piece of tile for a mosaic. In order to cut it properly, she needs to know the measure of the unknown angle? \( { }^{\circ} \) as shown in the figure. The lengths of \( K L, L M \), and \( M K \) are 105 millimeters, 123 millimeters, and 182 millimeters respectively. What is the value of the unknown angle? (Round your answer to the nearest degree if necessary.) Which of the following equations represents a line that passes through the points \( (-6,10) \) and \( (-8,16) \) ? I. \( 3 x+y=-8 \) II. \( y=-3 x-7 \) Neither II only I I and II Given the following function, determine the difference quotient, \( \frac{f(x+h)-f(x)}{h} \) \[ f(x)=x^{2}-7 x+3 \] Answer A university alumni association invested part of \( \$ 22,000 \) in preferred stock that earns \( 8 \% \) annual simple interest, and the remainder in a municipal bond that earns \( 7 \% \) annual simple interest. The amount of interest earned each year is \( \$ 1,610 \). How much was invested in each account? at \( 7 \% \quad \$ \square \) at \( 8 \% \)\( \$ \square \) Given your sister's incomplete text, "Meet me at the trails located at \( (-2 \), " Explain why the trails must be in quadrant 2 or quadrant 3 . Question In \( \triangle \mathrm{BCD}, \mathrm{CD}=4, \mathrm{DB}=9 \), and \( \mathrm{BC}=12 \). Which list has the angles of \( \triangle \mathrm{BCD} \) in order from smallest to largest?
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