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Solve using the multiplication principle #29. 9x -7245.

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<p>Solve using the multiplication principle...
<p>Solve using the multiplication principle #29. 9x=-72 </p><p>45. Solve for the indicated letter b=5c, for c, the solution is c= ? </p><p>47. Collect like terms 13m +4n -7m-9n=? </p><p>53. Solve for n: t=5n+5z </p><p>55. Find the domain for the function P(x)= x^2-2x+6 what is the domain for p?</p><p> 37. Solve using the principles together, don't forget to check 7(3x+6)=11-(x+2) the solution is x=?</p><p> 27. Solve 8x-(3x+8)=27 the solution is x=?</p><p> 11. Find the slope, if it exists x=-7 m= </p><p>40. Find the solpe and y-intercept f(x)=-9x-7 the slope is? and the y intercept is(0,?)</p><p> </p>
Submitted: 8 years ago.Category: Math Homework
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Answered in 3 hours by:
6/18/2010
Math Tutor or Teacher: reidawg,
 replied 8 years ago
reidawg
Category: Math Homework
Satisfied Customers: 0
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Here you go. A slash "/" means take the fraction. A comma "," indicates succesive steps.

#29) (9x)/9=-72/9, x=-8

#45) c=b/5

#47) 6m-5n

#53) n=(t-5z)/5

#55) The domain is all real numbers

#37) 7(3x+6)=11-(x+2), 21x+42=11-x-2, 21x+42=9-x, 22x=-33, x=(-3/2)
check 7(3(-3/2)+6=21/2, 11-(-3/2+2)=21/2

#27) 8x-(3x+8)=27, 5x-8=27, 5x=35, x=7
check 8*7-(3*7+8)=27

#11) m=infinity, or m doesn't exist depending on what your class has agreed upon.

#40) slope m=-9, y-intercept= -7
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