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maw [93]
2 years ago
14

Mrs. Summer's third grade class is putting on a play. If she has 13 1/8 yards of fabric, and each student needs 7/8 of a yard fo

r a costume, how many students can make costumes?
Mathematics
2 answers:
Juliette [100K]2 years ago
7 0
15. 7/8 times 15 equals 13.125 (or 13 1/8)
AfilCa [17]2 years ago
6 0
I'm not quite sure, but just subtract 7/8 from 13 and 1/8 for each student until you can't anymore and there's your answer! Hope this helps. (:
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Solve this system of linear equations. separate the x- and y- values with a coma. -12x=-75-11y
ycow [4]
Solve the following system:
{-12 x = -11 y - 75 | (equation 1)
{-5 x = -11 y - 89 | (equation 2)
Express the system in standard form:
{-(12 x) + 11 y = -75 | (equation 1)
{-(5 x) + 11 y = -89 | (equation 2)
Subtract 5/12 × (equation 1) from equation 2:
{-(12 x) + 11 y = -75 | (equation 1)
{0 x+(77 y)/12 = (-231)/4 | (equation 2)
Multiply equation 2 by 12/77:
{-(12 x) + 11 y = -75 | (equation 1)
{0 x+y = -9 | (equation 2)
Subtract 11 × (equation 2) from equation 1:
{-(12 x)+0 y = 24 | (equation 1)
{0 x+y = -9 | (equation 2)

Divide equation 1 by -12:
{x+0 y = -2 | (equation 1)
{0 x+y = -9 | (equation 2)
Collect results:
Answer:  {x = -2                {y = -9

please note that the parentheses "{" should span over both equations but the editor doesn't allow that so I should it on both line, See attached example.










4 0
3 years ago
52. Kite ABCD has a longer diagonal AC with a length of 20in and a shorter diagonal BD with a length of 15in. The diagonals inte
sineoko [7]
7.5
the answer is 7.5
5 0
3 years ago
Read 2 more answers
Solve x^2=18 where x is a real number
V125BC [204]

Answer:

x = ±3√2

or in decimal:

x = ±4.24

Step-by-step explanation:

x² = 18

x = ±√18

= ±√2√9

= ±3√2

6 0
2 years ago
Read 2 more answers
Which steps would you use to solve this equation? Check all that apply p + 7 = 12
Neporo4naja [7]

              - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

\large\blue\textsf{\textbf{\underline{\underline{Question:-}}}}

           Which steps would you use to solve this equation? p+7=12

\large\blue\textsf{\textbf{\underline{\underline{Answer and How to Solve:-}}}}

We can solve this equation in one step only, and this is the step:-

         Subtract 7 from both sides

p=12-7

p=5

<h3>Good luck.</h3>

      - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

5 0
2 years ago
Can someone please help me on this geometry test, serious inquiries only, be a real one
saveliy_v [14]
I took geometry a while ago, I can help if you want.
5 0
2 years ago
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