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Zina [86]
4 years ago
13

Plz help me I need this by tomorrow morning ​

Mathematics
1 answer:
zhenek [66]4 years ago
8 0

Answer: n/2, 4160/x

Step-by-step explanation:

n = 2t hence t = n/2

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Arisa [49]
10 should be the answer
6 0
4 years ago
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Help show work<br> 42,44,46,48,50<br> assig 9
Sedbober [7]

Answer:  see below

<u>Step-by-step explanation:</u>

42)   11 < 3y + 2 < 20

    <u>   -2  </u>  <u>     -2 </u>   <u>  -2  </u>

       9  <  3y      < 18

   <u>  ÷3 </u>   <u>÷3      </u>   <u> ÷3  </u>

      3 <    y      <  6

Graph:   o----------o

             3            6

44)   36 ≥ 1 - 5z >  -21

     <u>  -1   </u>  <u> -1       </u>    <u> -1    </u>

       35 ≥     -5z >  -22

   <u> ÷ -5 </u> ↓ <u>  ÷ -5 </u> ↓ <u>÷ -5 </u>

        7  ≤        z <  4.4

Graph:   o------------ ·

            4.4            7

 

46) 6b + 3 < 15    or    4b - 2 > 18

     <u>       -3 </u>  <u> -3  </u>          <u>     +2  </u>  <u>+2 </u>

      6b       < 12           4b      > 20

    <u> ÷6      </u>     <u>÷6  </u>       <u> ÷4      </u>   <u>÷4  </u>

         b      <  2    or     b     >   5

Graph:   ←--------o   o---------→

                        2    5

48)   8d < -64    and    5d > 25

      ÷8     ÷8                ÷5     ÷5

        d < -8      and       d > 5    

 there is no number that is both less than - 8 and greater than 5

                 No Solution

Graph:   (empty)

                       

50)  15x > 30    and    18x < -36

    <u> ÷15  </u>  <u> ÷15 </u>           <u>÷18  </u>   <u>÷18  </u>

         x >   2      and       x < -2  

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7 0
3 years ago
To receive a C grade, a student must average more than 77 but less than or equal to 85. If Ethan received a C in the course and
den301095 [7]

Answer:

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Step-by-step explanation:

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And total maximum mark = 85×6 =510

He has five grades as 74,78,76,67,85

So sum of five grades = 74+78+76+67+85=380

Let he get x marks in 6th

So for minimum mark in 6th grade  x+380 = 462

x = 462-380=82

For maximum mark x+380=510

x = 510-380 =130

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The answer to your problem is 37.

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Find sin(a) in the triangle.<br> Choose 1 answer:
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Answer:

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