Questions on Algebra: Numeric Fractions answered by real tutors!

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Question 74542: Hello. Im having some problem doing my homework and I need some help.
I have 4 questions.
1. 1/7+7/9-1/6
2. V=1/3Bh for B
A. B=h/3V B.B=3h/V C. B=V/3h D. B=3V/h
3.The formula used to convert a temperature given in degrees fahrenheit to degrees celsius is C=5/9(F-32). What is the fahrenheit temperature when th celsius temperature is -5?
4. A bike road race starts at an elevation of 780ft and passes through 5 stages where the elevation changes by 486 ft, -641 ft, 96 ft, and 494 ft. At what elevation does the race end?

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Question 74671: 5 and 3 over ten minus two and seven over twenty
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Question 74716: if 261-h=67,what is the value of h
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Question 73285: THE ILLUMINATION FROM A LIGHT VARIES INVERSLEY AS THE SQUARE OF THE DISTANCE FROM A LIGHT. IF ILLUMINATION IS 10 UNITS WHEN DISTANCE IS 6 FEET, FIND THE ILLUMINATION WHEN DISTANCE IS 6 FEET.
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Question 74727: 3three forths multiply by 1.5=R solve for R

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Question 74732: 110%of99iswhat number
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Question 74732: 110%of99iswhat number
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Question 74732: 110%of99iswhat number
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Question 74724: P-2.41=7.32;solve for p...really need help on this 1 please

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Question 74721: P-2.41=7.32;solve for p...really need help on this 1 please

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Question 73632: Write the given decimal as a fraction or mixed number in lowest terms: 6.49
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Question 74755: I don't understand this problem.
8/x=4

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Question 74755: I don't understand this problem.
8/x=4

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Question 74769: what is the prime factorrization of 56
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Question 74767: the price of an item changede from $5.99to$6.99..percentage increase is what
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Question 74765: 5 over 7 divided 9 over14=w+1....solve w
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Question 74820: find circumference of circle 16cm
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Question 74842: what is the perimeter of a regular hexagon whose sides are 52cm
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Question 74842: what is the perimeter of a regular hexagon whose sides are 52cm
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Question 74841: how many tenths in 1.915
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Question 74840: simplify 7to2nd+8to3rd-8to2nd
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Question 74862: give prime factorization of 28
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Question 74864This question is from textbook
: a-6/15+4-a/10This question is from textbook

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Question 74821: simplify7to2nd=8to3rd-8to2nd
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Question 74911: find the GCF of 30 and 90
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Question 74910: 7.5 multiply 10to5th
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Question 74909: if 13.1+s=56.6,s=
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Question 74913: simplify 6to 2nd- 4multiply3+2
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Question 74907: 22and 1fourth multiply 4and 1third =
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Question 74912: what is the perimeter of a 4 cm multiply 2 cm rectangle
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Question 74996: what % of 52 is 10
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Question 74992: prime factorization of 114
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Question 74998: 13.9 multiply 3.2=
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Question 74991: 34% of 149=
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Question 74991: 34% of 149=
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Question 74997: missing no....1,3,7.15_____,_______
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Question 75118: Hello,
This problem is not from a text book and has no ISBN number. I have done a portion of the problem, and now I'm stuck.
1/4 + (1/2-2/3). 1/2-2/3 changing the denominator to 6 I now have 3/6-4/6 and you can't subtract 4 from 3. Where do I go from here?
Thanks

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Question 75169This question is from textbook Pharmacy Calculations
: 2/3 + 1/8=This question is from textbook Pharmacy Calculations

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Question 75665: Please explain how to solve this equation?
x+4 - 4 = x-11
___ ____
3 4

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Question 75678: i haven't been in school for the last 5 monthes.
so i ended up forgetting what i was doing.
and how algerbra works.
i know it sound silly,but i need some help.
would you be able to totour me?
online?

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Question 75760: Add and reduce to lowest terms. 2 and 1/4 + 1 and 1/6

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Question 75759: Write as a fraction. Reduce to lowest terms.
35%

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Question 75762: Divide
36a 9b 4 c/4a 6b 2c

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Question 75845: - 12| - - 3|
= -12 + 3 = -9
the lines around the --3 makes it positive no matter what.

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Question 75846: Multiply. 6/7 x -1/2
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