Rylinszymarek Rylinszymarek

01-11-2022
Mathematics

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3:15 PM Tue Nov 1
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4.4.PS-8
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4-4: MathXL for School: Practice & Problem Solving
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The percent decrease is %.
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If the original quantity is 20 and the new quantity is 18, what is the percent decrease?

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Other Questions

Solve the exponential equation for x. 7(4x-6) 19 A.x = -2 B.x = 1 C.x = 2 D. x = -1

What is the solution (q, r) to this system of linear equations? 12q + 3r = 15 –4q – 4r = –44 A. (–18, 29) B. (–2, 13) C .(8, –1) D.(15, –44)

help pleaseee a= b= c= d= e= f= g=

4. Multiple Choice Write an equation of the line shown in the graph. A: y = -3/4x + 1/2 B: y = 4/3x + 1/2 C: y = 3/4x - 1/2 D: y = 4/3x - 1/2 E: y = 3/4x + 1/2

4. Multiple Choice Write an equation of the line shown in the graph. A: y = -3/4x + 1/2 B: y = 4/3x + 1/2 C: y = 3/4x - 1/2 D: y = 4/3x - 1/2 E: y = 3/4x + 1/2

4. Multiple Choice Write an equation of the line shown in the graph. A: y = -3/4x + 1/2 B: y = 4/3x + 1/2 C: y = 3/4x - 1/2 D: y = 4/3x - 1/2 E: y = 3/4x + 1/2

Given the polynomial function below, find F(-4). F(x) = 2x²-x+9 A. 37 B. -27 C. -19 D. 45

4. Multiple Choice Write an equation of the line shown in the graph. A: y = -3/4x + 1/2 B: y = 4/3x + 1/2 C: y = 3/4x - 1/2 D: y = 4/3x - 1/2 E: y = 3/4x + 1/2

20. Which equation(s) are true? Select all that apply. (4.7 x 104) + (8 x 104) = 1.27 × 105 (7.08 x 10³) + (2.21 x 103) = 9.29 X 106 (5.43 x 108) - (2.33 x 108)

Exercise 11.1 Using mental methods 30% of a sum of money is $234. Use this fact to work out: a 60%=468 b 90%=702 c 15% d 3% 23-4 of the same amount. = a Describ