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DENIUS [597]
4 years ago
13

Round to the nearest tenth 43

Mathematics
2 answers:
Verizon [17]4 years ago
8 0
40 rounded to the nearest tenth will be 40.

Hope this helped :)
bazaltina [42]4 years ago
4 0
40 because the three in the units place is smaller than 5 so you round down. 
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8x+12=4(3+2x)<br><br> Show your work please
marysya [2.9K]

Answer:

8x + 12 = 12 + 8x

0 = 0

Step-by-step explanation:

Distribute then simplify

7 0
3 years ago
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CALLING ALL MATH GENIUS!!! Help! Please!
IrinaK [193]

2) 7/8+1/3+1/2=1\frac{17}{24}, so your answer is A

3) 1/9+1/12, it's LCD (lest common denominator) is 36, \frac{1*4}{9*4} + \frac{1*3}{12*3} = \frac{4}{36} + \frac{3}{36} = \frac{4+3}{36} = \frac{7}{36} so your answer is also A

4) 13+\frac{1}{4} +\frac{2}{3} find the Least Common Multiple (LCM) of

4, and 3, which is 12. Now make the denominators the same as the LCD, 13+\frac{1*3}{4*3} +\frac{2*4}{3*4}. Now Simplify; 13+\frac{3}{12} +\frac{8}{12} =13+\frac{3+8}{12} =13\frac{11}{12}, D is your answer.

5) LCD=9, so make the denominators the same as the LCD, \frac{4}{9} - \frac{1*3}{3*3} = \frac{4}{9} - \frac{3}{9} = \frac{4-3}{9} =\frac{1}{9}. Your answer is B.

6) 30-22\frac{5}{6}, (use.the.rule...a\frac{b}{c}=\frac{ac+b}{c}...because.22\frac{5}{6}.is.an.improper.fraction)

30-\frac{22*6+5}{6} =30-\frac{132+5}{6}=30-\frac{137}{6} = make the denominators the same 30*\frac{6}{6} -\frac{137}{6} =\frac{180}{6} -\frac{137}{6} =\frac{43}{6} =7\frac{1}{6}

7) 9\frac{5}{12} is an improper fraction, so you the previous rule I said to use for improper fractions.

\frac{9*12+5}{12} -4\frac{2}{3} =\frac{108+5}{12}-4\frac{2}{3}, also 4\frac{2}{3} is an improper fraction so use the rule again.

\frac{113}{12} -\frac{12+2}{3} =\frac{113}{12} -\frac{14}{3}, LCD=12

Make the denominators the same \frac{113}{12}-\frac{14*4}{3*4}=\frac{113}{12}-\frac{56}{12} =\frac{113-56}{12} =\frac{57}{12}=\frac{19}{4}=4\frac{3}{4}, the answer is D

8) 21\frac{7}{9}, improper fraction

\frac{21+19+7}{19} -6\frac{8}{19} =\frac{399+7}{19} -6\frac{8}{19} = \frac{406}{19} -6\frac{8}{19}

6\frac{8}{19} is an improper faction

\frac{406}{19}-\frac{6*19+8}{19}  =\frac{406}{19} -\frac{114+8}{19} =\frac{406}{19} -\frac{122}{19} =\frac{406-122}{19}=\frac{284}{19}=14\frac{18}{19}, the answer is B.

9) \frac{8}{9} -\frac{6}{9} =\frac{2}{9}, You're trying to see how much farther he ran on Monday compared to Wednesday, so Monday goes first.

10) \frac{3}{4} -\frac{1}{8} =\frac{5}{8}, You're trying to see how much more you need, so you need to subtract 1/8 (what you already have) and 3/4 to see how much you need left.

11) You're tyring to see how much she need all together, so you're looking for the sum, which is 12\frac{3}{8}, so the answer is C.

12) You're seeing how much he grew over the past years, so you'll be looking for the sum (addition) 1\frac{3}{4}+ 2\frac{2}{3} =4\frac{5}{12}

19) In this problen, Claude used some of his ribbon, which in turn decreased the amount he has left, so you are looking for the difference (In this case, what he has now, vs what he originally had.) 5\frac{1}{2} -4\frac{2}{3}= \frac{5}{6}, your answer is C.

20) Find the time it takes in all the routes by subtracting the time you leave to the time you get there, the answer is route four because it is 2 hours and 5 minutes.

Hope this helps, have a BLESSED and wonderful day, as well as a safe one!

-Cutiepatutie ☺❀❤

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Jill ran X Miles yesterday, today she ran 2 miles more than yesterday , with a total greater of 6 miles . Circle the numbers bel
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Five, Six, Seven, and eight
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To make 1 1/2 dozen muffins, a recipe uses 3 1/2 cups of flour.
Bogdan [553]
The answer would be 2 and 3/10. To find this, I multiplied 1 and 1/2 by 2 and 3 and 1/2 by two. So, now to make 3 dozen muffins, a recipe uses 7 cups of flour. I did this because obviously dividing 3 and 7 are easier and its hard to find how many cups of flour make 1 dozen when you have the equation for 1 and 1/2 because 1 doesn't go into 1 and 1/2 equally. Now, with the new equation, I can just divide 3 by 3 to get 1 (which would be 1 dozen muffins) and also divide 7 by 3 to get 2.3. 2 is obviously the whole number in the mixed number and .3 is the fraction, which is 3/10. Hope this helps!
7 0
3 years ago
In the game of backgammon, you get to double how much you move if you roll “doubles" on two dice (that is: 1 and 1, 2 and 2, 3 a
weeeeeb [17]
*11* 12 13 14 15 16
21 *22* 23 24 25 26
31 32 *33* 34 35 36
41 42 43 *44* 45 46
51 52 53 54 *55* 56
61 62 63 64 65 *66*
(36 combos)

6/36 or 1/6 probability or rolling doubles.
3 0
3 years ago
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