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PtichkaEL [24]
3 years ago
13

it takes 18 3/8 inches of wood to make a frame for a small picture if Ms Jones has 108 inches of wood how many frames can she ma

ke

Mathematics
2 answers:
scZoUnD [109]3 years ago
6 0
It would make 5 complete frames, and about 8/10 of another frame.
108 / 18.375 = 5.8&*)&^&%*$*
I used a calculator.
You could keep adding 18 and 3/8 over and over again until you get right under 108 if you're good at math like me, but most people would have to add 18 and 3/8 separately.

Thanks, and if you liked my answer, please consider giving me the brainliest answer, because I need 5 of them to get to the next level.
Lady bird [3.3K]3 years ago
5 0
Namely, how many times does 18 and 3/8 go into 108?

\bf \cfrac{108}{18\frac{3}{8}}\implies \cfrac{108}{\frac{18\cdot 8+3}{8}}\implies \cfrac{108}{\frac{147}{8}}\implies \cfrac{\frac{108}{1}}{\frac{147}{8}}\implies \cfrac{108}{1}\cdot \cfrac{8}{147}
\\\\\\
\cfrac{36\cdot \underline{3}}{1}\cdot \cfrac{8}{\underline{3}\cdot 49}\implies \cfrac{288}{49}
\\\\\\
\textit{49 goes into 288 \underline{5 times}, with a \underline{remainder} of 43}\implies 5\frac{43}{49}
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X^2/9+2y/7 help me solve
vfiekz [6]

So firstly, we have to find the LCD, or lowest common denominator, of 9 and 7. To do this, list the multiples of 9 and 7 and the lowest multiple they share is going to be your LCD. In this case, the LCD of 9 and 7 is 63. Multiply x^2/9 by 7/7 and 2y/7 by 9/9:

\frac{x^2}{9}\times \frac{7}{7}=\frac{7x^2}{63}\\\\\frac{2y}{7}\times \frac{9}{9}=\frac{18y}{63}\\\\\frac{7x^2}{63}+\frac{18y}{63}

Next, add the numerators together, and your answer will be: \frac{7x^2}{63}+\frac{18y}{63}=\frac{7x^2+18y}{63}

4 0
3 years ago
Find the product. Simplify your answer.<br> -5 • 9t<br> 7s 7
Sauron [17]

Answer:

-13            

 ——— = -0.20635  

 63            

Step-by-step explanation:

Step  1  :

           7

Simplify   —

           9

Equation at the end of step  1  :

 4    7

 — -  —

 7    9

Step  2  :

           4

Simplify   —

           7

Equation at the end of step  2  :

 4    7

 — -  —

 7    9

Step  3  :

Calculating the Least Common Multiple :

3.1    Find the Least Common Multiple

     The left denominator is :       7  

     The right denominator is :       9  

       Number of times each prime factor

       appears in the factorization of:

Prime  

Factor   Left  

Denominator   Right  

Denominator   L.C.M = Max  

{Left,Right}  

7 1 0 1

3 0 2 2

Product of all  

Prime Factors  7 9 63

     Least Common Multiple:

     63  

Calculating Multipliers :

3.2    Calculate multipliers for the two fractions

   Denote the Least Common Multiple by  L.C.M  

   Denote the Left Multiplier by  Left_M  

   Denote the Right Multiplier by  Right_M  

   Denote the Left Deniminator by  L_Deno  

   Denote the Right Multiplier by  R_Deno  

  Left_M = L.C.M / L_Deno = 9

  Right_M = L.C.M / R_Deno = 7

Making Equivalent Fractions :

3.3      Rewrite the two fractions into equivalent fractions

Two fractions are called equivalent if they have the same numeric value.

For example :  1/2   and  2/4  are equivalent,  y/(y+1)2   and  (y2+y)/(y+1)3  are equivalent as well.

To calculate equivalent fraction , multiply the Numerator of each fraction, by its respective Multiplier.

  L. Mult. • L. Num.      4 • 9

  ——————————————————  =   —————

        L.C.M              63  

  R. Mult. • R. Num.      7 • 7

  ——————————————————  =   —————

        L.C.M              63  

Adding fractions that have a common denominator :

3.4       Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

4 • 9 - (7 • 7)     -13

———————————————  =  ———

      63            63  

Final result :

 -13            

 ——— = -0.20635  

 63            

8 0
3 years ago
Read 2 more answers
3 bags of chips cost 14.70 what is the price per bag
yawa3891 [41]

Answer:

4.90

Step-by-step explanation:

p/a=x

price/amount=x

14.70/3=4.90

7 0
3 years ago
Read 2 more answers
"calculate the number of permutations possible when using the first five letters of the alphabet to create 3-letter words.
Hitman42 [59]
That is   5! / (5-3)!  =  120 / 2 = 60 answer
5 0
3 years ago
Please help me with this problem
Bumek [7]

Answer:

the two options that are equivalent would be the first option and the fourth option.  (2x . 2y = 4xy)   (5xyz = 5 . x . y . z)

Step-by-step explanation:

7 0
2 years ago
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