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If x = and y =7, the value of the expression 2x-3 1 is y-2 O -33 O 65 783 49 O -48.75 1/2

If x = and y =7, the value of the expression 2x-3 1 is y-2 O -33 O 65 783 49 O -48.75 1/2

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter3: Multi-step Equations And Inequalities
Section: Chapter Questions
Problem 11PTTS
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### Question 15 If \( x = \frac{1}{2} \) and \( y = 7 \), the value of the expression \( 2x^{-3} - \frac{1}{y^{-2}} \) is - \( \circ \) \(-33\) - \( \circ \) \( 65 \) - \( \circ \) \( \frac{783}{49} \) - \( \circ \) \(-48.75\) ### Explanation This question asks you to evaluate the expression given particular values for \( x \) and \( y \). (There are no graphs or diagrams in this image. The image includes only text with mathematical expressions and multiple-choice answers.)
Transcribed Image Text:### Question 15 If \( x = \frac{1}{2} \) and \( y = 7 \), the value of the expression \( 2x^{-3} - \frac{1}{y^{-2}} \) is - \( \circ \) \(-33\) - \( \circ \) \( 65 \) - \( \circ \) \( \frac{783}{49} \) - \( \circ \) \(-48.75\) ### Explanation This question asks you to evaluate the expression given particular values for \( x \) and \( y \). (There are no graphs or diagrams in this image. The image includes only text with mathematical expressions and multiple-choice answers.)
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